The purpose of this patch is to prepare for adding the OMAP4 architecture, which is Cortex A9
Cortex A8 and A9 both belong to the armv7 architecture, hence the name change.
The two architectures are similar enough that substantial code can be shared.
Signed-off-by: Aneesh V <aneesh@ti.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Dirk Behme <dirk.behme@gmail.com>
- omap3_beagle ARM CORTEX-A8 (OMAP3530 SoC)
+ omap3_beagle ARM ARMV7 (OMAP3530 SoC)
Eric Benard <eric@eukrea.com>
Vaibhav Hiremath <hvaibhav@ti.com>
- am3517_evm ARM CORTEX-A8 (AM35x SoC)
+ am3517_evm ARM ARMV7 (AM35x SoC)
Grazvydas Ignotas <notasas@gmail.com>
- omap3_pandora ARM CORTEX-A8 (OMAP3xx SoC)
+ omap3_pandora ARM ARMV7 (OMAP3xx SoC)
Gary Jennejohn <garyj@denx.de>
Minkyu Kang <mk7.kang@samsung.com>
- s5p_goni ARM CORTEX-A8 (S5PC110 SoC)
- SMDKC100 ARM CORTEX-A8 (S5PC100 SoC)
+ s5p_goni ARM ARMV7 (S5PC110 SoC)
+ SMDKC100 ARM ARMV7 (S5PC100 SoC)
Frederik Kriewitz <frederik@kriewitz.eu>
- devkit8000 ARM CORTEX-A8 (OMAP3530 SoC)
+ devkit8000 ARM ARMV7 (OMAP3530 SoC)
Sergey Kubushyn <ksi@koi8.net>
Nishanth Menon <nm@ti.com>
- omap3_sdp3430 ARM CORTEX-A8 (OMAP3xx SoC)
- omap3_zoom1 ARM CORTEX-A8 (OMAP3xx SoC)
+ omap3_sdp3430 ARM ARMV7 (OMAP3xx SoC)
+ omap3_zoom1 ARM ARMV7 (OMAP3xx SoC)
David Müller <d.mueller@elsoft.ch>
Manikandan Pillai <mani.pillai@ti.com>
- omap3_evm ARM CORTEX-A8 (OMAP3xx SoC)
+ omap3_evm ARM ARMV7 (OMAP3xx SoC)
Stelian Pop <stelian.pop@leadtechdesign.com>
Tom Rix <Tom.Rix@windriver.com>
- omap3_zoom2 ARM CORTEX-A8 (OMAP3xx SoC)
+ omap3_zoom2 ARM ARMV7 (OMAP3xx SoC)
John Rigby <jcrigby@gmail.com>
Steve Sakoman <sakoman@gmail.com>
- omap3_overo ARM CORTEX-A8 (OMAP3xx SoC)
+ omap3_overo ARM ARMV7 (OMAP3xx SoC)
Jens Scharsig <esw@bus-elektronik.de>
"
#########################################################################
-## ARM Cortex-A8 Systems
+## ARMV7 Systems
#########################################################################
-LIST_ARM_CORTEX_A8=" \
+LIST_ARMV7=" \
am3517_evm \
devkit8000 \
mx51evk \
${LIST_ARM9} \
${LIST_ARM10} \
${LIST_ARM11} \
- ${LIST_ARM_CORTEX_A8} \
+ ${LIST_ARMV7} \
${LIST_at91} \
${LIST_pxa} \
${LIST_ixp} \
for arg in $@
do
case "$arg" in
- arm|SA|ARM7|ARM9|ARM10|ARM11|ARM_CORTEX_A8|at91|ixp|pxa \
+ arm|SA|ARM7|ARM9|ARM10|ARM11|ARMV7|at91|ixp|pxa \
|avr32 \
|blackfin \
|coldfire \
+++ /dev/null
-#
-# (C) Copyright 2000-2003
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(CPU).a
-
-START := start.o
-COBJS := cpu.o
-
-SRCS := $(START:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
-START := $(addprefix $(obj),$(START))
-
-all: $(obj).depend $(START) $(LIB)
-
-$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
\ No newline at end of file
+++ /dev/null
-#
-# (C) Copyright 2002
-# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
-
-# Make ARMv5 to allow more compilers to work, even though its v7a.
-PLATFORM_CPPFLAGS += -march=armv5
-# =========================================================================
-#
-# Supply options according to compiler version
-#
-# =========================================================================
-PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,\
- $(call cc-option,-malignment-traps,))
+++ /dev/null
-/*
- * (C) Copyright 2008 Texas Insturments
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * CPU specific code
- */
-
-#include <common.h>
-#include <command.h>
-#include <asm/system.h>
-#include <asm/cache.h>
-#ifndef CONFIG_L2_OFF
-#include <asm/arch/sys_proto.h>
-#endif
-
-static void cache_flush(void);
-
-int cleanup_before_linux(void)
-{
- unsigned int i;
-
- /*
- * this function is called just before we call linux
- * it prepares the processor for linux
- *
- * we turn off caches etc ...
- */
- disable_interrupts();
-
- /* turn off I/D-cache */
- icache_disable();
- dcache_disable();
-
- /* invalidate I-cache */
- cache_flush();
-
-#ifndef CONFIG_L2_OFF
- /* turn off L2 cache */
- l2_cache_disable();
- /* invalidate L2 cache also */
- invalidate_dcache(get_device_type());
-#endif
- i = 0;
- /* mem barrier to sync up things */
- asm("mcr p15, 0, %0, c7, c10, 4": :"r"(i));
-
-#ifndef CONFIG_L2_OFF
- l2_cache_enable();
-#endif
-
- return 0;
-}
-
-static void cache_flush(void)
-{
- asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (0));
-}
+++ /dev/null
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2009 Freescale Semiconductor, Inc.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(SOC).a
-
-COBJS = soc.o clock.o iomux.o timer.o speed.o
-SOBJS = lowlevel_init.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
-
-all: $(obj).depend $(LIB)
-
-$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-/*
- * (C) Copyright 2007
- * Sascha Hauer, Pengutronix
- *
- * (C) Copyright 2009 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/errno.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/crm_regs.h>
-#include <asm/arch/clock.h>
-
-enum pll_clocks {
- PLL1_CLOCK = 0,
- PLL2_CLOCK,
- PLL3_CLOCK,
- PLL_CLOCKS,
-};
-
-struct mxc_pll_reg *mxc_plls[PLL_CLOCKS] = {
- [PLL1_CLOCK] = (struct mxc_pll_reg *)PLL1_BASE_ADDR,
- [PLL2_CLOCK] = (struct mxc_pll_reg *)PLL2_BASE_ADDR,
- [PLL3_CLOCK] = (struct mxc_pll_reg *)PLL3_BASE_ADDR,
-};
-
-struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
-
-/*
- * Calculate the frequency of this pll.
- */
-static u32 decode_pll(struct mxc_pll_reg *pll, u32 infreq)
-{
- u32 mfi, mfn, mfd, pd;
-
- mfn = __raw_readl(&pll->mfn);
- mfd = __raw_readl(&pll->mfd) + 1;
- mfi = __raw_readl(&pll->op);
- pd = (mfi & 0xF) + 1;
- mfi = (mfi >> 4) & 0xF;
- mfi = (mfi >= 5) ? mfi : 5;
-
- return ((4 * (infreq / 1000) * (mfi * mfd + mfn)) / (mfd * pd)) * 1000;
-}
-
-/*
- * Get mcu main rate
- */
-u32 get_mcu_main_clk(void)
-{
- u32 reg, freq;
-
- reg = (__raw_readl(&mxc_ccm->cacrr) & MXC_CCM_CACRR_ARM_PODF_MASK) >>
- MXC_CCM_CACRR_ARM_PODF_OFFSET;
- freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ);
- return freq / (reg + 1);
-}
-
-/*
- * Get the rate of peripheral's root clock.
- */
-static u32 get_periph_clk(void)
-{
- u32 reg;
-
- reg = __raw_readl(&mxc_ccm->cbcdr);
- if (!(reg & MXC_CCM_CBCDR_PERIPH_CLK_SEL))
- return decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_MX51_HCLK_FREQ);
- reg = __raw_readl(&mxc_ccm->cbcmr);
- switch ((reg & MXC_CCM_CBCMR_PERIPH_CLK_SEL_MASK) >>
- MXC_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET) {
- case 0:
- return decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ);
- case 1:
- return decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_MX51_HCLK_FREQ);
- default:
- return 0;
- }
- /* NOTREACHED */
-}
-
-/*
- * Get the rate of ipg clock.
- */
-static u32 get_ipg_clk(void)
-{
- u32 ahb_podf, ipg_podf;
-
- ahb_podf = __raw_readl(&mxc_ccm->cbcdr);
- ipg_podf = (ahb_podf & MXC_CCM_CBCDR_IPG_PODF_MASK) >>
- MXC_CCM_CBCDR_IPG_PODF_OFFSET;
- ahb_podf = (ahb_podf & MXC_CCM_CBCDR_AHB_PODF_MASK) >>
- MXC_CCM_CBCDR_AHB_PODF_OFFSET;
- return get_periph_clk() / ((ahb_podf + 1) * (ipg_podf + 1));
-}
-
-/*
- * Get the rate of ipg_per clock.
- */
-static u32 get_ipg_per_clk(void)
-{
- u32 pred1, pred2, podf;
-
- if (__raw_readl(&mxc_ccm->cbcmr) & MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL)
- return get_ipg_clk();
- /* Fixme: not handle what about lpm*/
- podf = __raw_readl(&mxc_ccm->cbcdr);
- pred1 = (podf & MXC_CCM_CBCDR_PERCLK_PRED1_MASK) >>
- MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET;
- pred2 = (podf & MXC_CCM_CBCDR_PERCLK_PRED2_MASK) >>
- MXC_CCM_CBCDR_PERCLK_PRED2_OFFSET;
- podf = (podf & MXC_CCM_CBCDR_PERCLK_PODF_MASK) >>
- MXC_CCM_CBCDR_PERCLK_PODF_OFFSET;
-
- return get_periph_clk() / ((pred1 + 1) * (pred2 + 1) * (podf + 1));
-}
-
-/*
- * Get the rate of uart clk.
- */
-static u32 get_uart_clk(void)
-{
- unsigned int freq, reg, pred, podf;
-
- reg = __raw_readl(&mxc_ccm->cscmr1);
- switch ((reg & MXC_CCM_CSCMR1_UART_CLK_SEL_MASK) >>
- MXC_CCM_CSCMR1_UART_CLK_SEL_OFFSET) {
- case 0x0:
- freq = decode_pll(mxc_plls[PLL1_CLOCK],
- CONFIG_MX51_HCLK_FREQ);
- break;
- case 0x1:
- freq = decode_pll(mxc_plls[PLL2_CLOCK],
- CONFIG_MX51_HCLK_FREQ);
- break;
- case 0x2:
- freq = decode_pll(mxc_plls[PLL3_CLOCK],
- CONFIG_MX51_HCLK_FREQ);
- break;
- default:
- return 66500000;
- }
-
- reg = __raw_readl(&mxc_ccm->cscdr1);
-
- pred = (reg & MXC_CCM_CSCDR1_UART_CLK_PRED_MASK) >>
- MXC_CCM_CSCDR1_UART_CLK_PRED_OFFSET;
-
- podf = (reg & MXC_CCM_CSCDR1_UART_CLK_PODF_MASK) >>
- MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET;
- freq /= (pred + 1) * (podf + 1);
-
- return freq;
-}
-
-/*
- * This function returns the low power audio clock.
- */
-u32 get_lp_apm(void)
-{
- u32 ret_val = 0;
- u32 ccsr = __raw_readl(&mxc_ccm->ccsr);
-
- if (((ccsr >> 9) & 1) == 0)
- ret_val = CONFIG_MX51_HCLK_FREQ;
- else
- ret_val = ((32768 * 1024));
-
- return ret_val;
-}
-
-/*
- * get cspi clock rate.
- */
-u32 imx_get_cspiclk(void)
-{
- u32 ret_val = 0, pdf, pre_pdf, clk_sel;
- u32 cscmr1 = __raw_readl(&mxc_ccm->cscmr1);
- u32 cscdr2 = __raw_readl(&mxc_ccm->cscdr2);
-
- pre_pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PRED_MASK) \
- >> MXC_CCM_CSCDR2_CSPI_CLK_PRED_OFFSET;
- pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PODF_MASK) \
- >> MXC_CCM_CSCDR2_CSPI_CLK_PODF_OFFSET;
- clk_sel = (cscmr1 & MXC_CCM_CSCMR1_CSPI_CLK_SEL_MASK) \
- >> MXC_CCM_CSCMR1_CSPI_CLK_SEL_OFFSET;
-
- switch (clk_sel) {
- case 0:
- ret_val = decode_pll(mxc_plls[PLL1_CLOCK],
- CONFIG_MX51_HCLK_FREQ) /
- ((pre_pdf + 1) * (pdf + 1));
- break;
- case 1:
- ret_val = decode_pll(mxc_plls[PLL2_CLOCK],
- CONFIG_MX51_HCLK_FREQ) /
- ((pre_pdf + 1) * (pdf + 1));
- break;
- case 2:
- ret_val = decode_pll(mxc_plls[PLL3_CLOCK],
- CONFIG_MX51_HCLK_FREQ) /
- ((pre_pdf + 1) * (pdf + 1));
- break;
- default:
- ret_val = get_lp_apm() / ((pre_pdf + 1) * (pdf + 1));
- break;
- }
-
- return ret_val;
-}
-
-/*
- * The API of get mxc clockes.
- */
-unsigned int mxc_get_clock(enum mxc_clock clk)
-{
- switch (clk) {
- case MXC_ARM_CLK:
- return get_mcu_main_clk();
- case MXC_AHB_CLK:
- break;
- case MXC_IPG_CLK:
- return get_ipg_clk();
- case MXC_IPG_PERCLK:
- return get_ipg_per_clk();
- case MXC_UART_CLK:
- return get_uart_clk();
- case MXC_CSPI_CLK:
- return imx_get_cspiclk();
- case MXC_FEC_CLK:
- return decode_pll(mxc_plls[PLL1_CLOCK],
- CONFIG_MX51_HCLK_FREQ);
- default:
- break;
- }
- return -1;
-}
-
-u32 imx_get_uartclk(void)
-{
- return get_uart_clk();
-}
-
-
-u32 imx_get_fecclk(void)
-{
- return mxc_get_clock(MXC_IPG_CLK);
-}
-
-/*
- * Dump some core clockes.
- */
-int do_mx51_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- u32 freq;
-
- freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ);
- printf("mx51 pll1: %dMHz\n", freq / 1000000);
- freq = decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_MX51_HCLK_FREQ);
- printf("mx51 pll2: %dMHz\n", freq / 1000000);
- freq = decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_MX51_HCLK_FREQ);
- printf("mx51 pll3: %dMHz\n", freq / 1000000);
- printf("ipg clock : %dHz\n", mxc_get_clock(MXC_IPG_CLK));
- printf("ipg per clock : %dHz\n", mxc_get_clock(MXC_IPG_PERCLK));
-
- return 0;
-}
-
-/***************************************************/
-
-U_BOOT_CMD(
- clockinfo, CONFIG_SYS_MAXARGS, 1, do_mx51_showclocks,
- "display mx51 clocks\n",
- ""
-);
+++ /dev/null
-/*
- * (C) Copyright 2009 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/mx51_pins.h>
-#include <asm/arch/iomux.h>
-#include <asm/arch/sys_proto.h>
-
-/* IOMUX register (base) addresses */
-enum iomux_reg_addr {
- IOMUXGPR0 = IOMUXC_BASE_ADDR,
- IOMUXGPR1 = IOMUXC_BASE_ADDR + 0x004,
- IOMUXSW_MUX_CTL = IOMUXC_BASE_ADDR,
- IOMUXSW_MUX_END = IOMUXC_BASE_ADDR + MUX_I_END,
- IOMUXSW_PAD_CTL = IOMUXC_BASE_ADDR + PAD_I_START,
- IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR,
-};
-
-#define MUX_PIN_NUM_MAX (((MUX_I_END - MUX_I_START) >> 2) + 1)
-
-/* Get the iomux register address of this pin */
-static inline u32 get_mux_reg(iomux_pin_name_t pin)
-{
- u32 mux_reg = PIN_TO_IOMUX_MUX(pin);
-
- if (is_soc_rev(CHIP_REV_2_0) < 0) {
- /*
- * Fixup register address:
- * i.MX51 TO1 has offset with the register
- * which is define as TO2.
- */
- if ((pin == MX51_PIN_NANDF_RB5) ||
- (pin == MX51_PIN_NANDF_RB6) ||
- (pin == MX51_PIN_NANDF_RB7))
- ; /* Do nothing */
- else if (mux_reg >= 0x2FC)
- mux_reg += 8;
- else if (mux_reg >= 0x130)
- mux_reg += 0xC;
- }
- mux_reg += IOMUXSW_MUX_CTL;
- return mux_reg;
-}
-
-/* Get the pad register address of this pin */
-static inline u32 get_pad_reg(iomux_pin_name_t pin)
-{
- u32 pad_reg = PIN_TO_IOMUX_PAD(pin);
-
- if (is_soc_rev(CHIP_REV_2_0) < 0) {
- /*
- * Fixup register address:
- * i.MX51 TO1 has offset with the register
- * which is define as TO2.
- */
- if ((pin == MX51_PIN_NANDF_RB5) ||
- (pin == MX51_PIN_NANDF_RB6) ||
- (pin == MX51_PIN_NANDF_RB7))
- ; /* Do nothing */
- else if (pad_reg == 0x4D0 - PAD_I_START)
- pad_reg += 0x4C;
- else if (pad_reg == 0x860 - PAD_I_START)
- pad_reg += 0x9C;
- else if (pad_reg >= 0x804 - PAD_I_START)
- pad_reg += 0xB0;
- else if (pad_reg >= 0x7FC - PAD_I_START)
- pad_reg += 0xB4;
- else if (pad_reg >= 0x4E4 - PAD_I_START)
- pad_reg += 0xCC;
- else
- pad_reg += 8;
- }
- pad_reg += IOMUXSW_PAD_CTL;
- return pad_reg;
-}
-
-/* Get the last iomux register address */
-static inline u32 get_mux_end(void)
-{
- if (is_soc_rev(CHIP_REV_2_0) < 0)
- return IOMUXC_BASE_ADDR + (0x3F8 - 4);
- else
- return IOMUXC_BASE_ADDR + (0x3F0 - 4);
-}
-
-/*
- * This function is used to configure a pin through the IOMUX module.
- * @param pin a pin number as defined in iomux_pin_name_t
- * @param cfg an output function as defined in iomux_pin_cfg_t
- *
- * @return 0 if successful; Non-zero otherwise
- */
-static void iomux_config_mux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
-{
- u32 mux_reg = get_mux_reg(pin);
-
- if ((mux_reg > get_mux_end()) || (mux_reg < IOMUXSW_MUX_CTL))
- return ;
- if (cfg == IOMUX_CONFIG_GPIO)
- writel(PIN_TO_ALT_GPIO(pin), mux_reg);
- else
- writel(cfg, mux_reg);
-}
-
-/*
- * Request ownership for an IO pin. This function has to be the first one
- * being called before that pin is used. The caller has to check the
- * return value to make sure it returns 0.
- *
- * @param pin a name defined by iomux_pin_name_t
- * @param cfg an input function as defined in iomux_pin_cfg_t
- *
- */
-void mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
-{
- iomux_config_mux(pin, cfg);
-}
-
-/*
- * Release ownership for an IO pin
- *
- * @param pin a name defined by iomux_pin_name_t
- * @param cfg an input function as defined in iomux_pin_cfg_t
- */
-void mxc_free_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
-{
-}
-
-/*
- * This function configures the pad value for a IOMUX pin.
- *
- * @param pin a pin number as defined in iomux_pin_name_t
- * @param config the ORed value of elements defined in iomux_pad_config_t
- */
-void mxc_iomux_set_pad(iomux_pin_name_t pin, u32 config)
-{
- u32 pad_reg = get_pad_reg(pin);
- writel(config, pad_reg);
-}
-
-unsigned int mxc_iomux_get_pad(iomux_pin_name_t pin)
-{
- u32 pad_reg = get_pad_reg(pin);
- return readl(pad_reg);
-}
+++ /dev/null
-/*
- * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
- *
- * (C) Copyright 2009 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <config.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/asm-offsets.h>
-
-/*
- * L2CC Cache setup/invalidation/disable
- */
-.macro init_l2cc
- /* explicitly disable L2 cache */
- mrc 15, 0, r0, c1, c0, 1
- bic r0, r0, #0x2
- mcr 15, 0, r0, c1, c0, 1
-
- /* reconfigure L2 cache aux control reg */
- mov r0, #0xC0 /* tag RAM */
- add r0, r0, #0x4 /* data RAM */
- orr r0, r0, #(1 << 24) /* disable write allocate delay */
- orr r0, r0, #(1 << 23) /* disable write allocate combine */
- orr r0, r0, #(1 << 22) /* disable write allocate */
-
- cmp r3, #0x10 /* r3 contains the silicon rev */
-
- /* disable write combine for TO 2 and lower revs */
- orrls r0, r0, #(1 << 25)
-
- mcr 15, 1, r0, c9, c0, 2
-.endm /* init_l2cc */
-
-/* AIPS setup - Only setup MPROTx registers.
- * The PACR default values are good.*/
-.macro init_aips
- /*
- * Set all MPROTx to be non-bufferable, trusted for R/W,
- * not forced to user-mode.
- */
- ldr r0, =AIPS1_BASE_ADDR
- ldr r1, =0x77777777
- str r1, [r0, #0x0]
- str r1, [r0, #0x4]
- ldr r0, =AIPS2_BASE_ADDR
- str r1, [r0, #0x0]
- str r1, [r0, #0x4]
- /*
- * Clear the on and off peripheral modules Supervisor Protect bit
- * for SDMA to access them. Did not change the AIPS control registers
- * (offset 0x20) access type
- */
-.endm /* init_aips */
-
-/* M4IF setup */
-.macro init_m4if
- /* VPU and IPU given higher priority (0x4)
- * IPU accesses with ID=0x1 given highest priority (=0xA)
- */
- ldr r0, =M4IF_BASE_ADDR
-
- ldr r1, =0x00000203
- str r1, [r0, #0x40]
-
- ldr r1, =0x0
- str r1, [r0, #0x44]
-
- ldr r1, =0x00120125
- str r1, [r0, #0x9C]
-
- ldr r1, =0x001901A3
- str r1, [r0, #0x48]
-
-.endm /* init_m4if */
-
-.macro setup_pll pll, freq
- ldr r2, =\pll
- ldr r1, =0x00001232
- str r1, [r2, #PLL_DP_CTL] /* Set DPLL ON (set UPEN bit): BRMO=1 */
- mov r1, #0x2
- str r1, [r2, #PLL_DP_CONFIG] /* Enable auto-restart AREN bit */
-
- str r3, [r2, #PLL_DP_OP]
- str r3, [r2, #PLL_DP_HFS_OP]
-
- str r4, [r2, #PLL_DP_MFD]
- str r4, [r2, #PLL_DP_HFS_MFD]
-
- str r5, [r2, #PLL_DP_MFN]
- str r5, [r2, #PLL_DP_HFS_MFN]
-
- ldr r1, =0x00001232
- str r1, [r2, #PLL_DP_CTL]
-1: ldr r1, [r2, #PLL_DP_CTL]
- ands r1, r1, #0x1
- beq 1b
-.endm
-
-.macro init_clock
- ldr r0, =CCM_BASE_ADDR
-
- /* Gate of clocks to the peripherals first */
- ldr r1, =0x3FFFFFFF
- str r1, [r0, #CLKCTL_CCGR0]
- ldr r1, =0x0
- str r1, [r0, #CLKCTL_CCGR1]
- str r1, [r0, #CLKCTL_CCGR2]
- str r1, [r0, #CLKCTL_CCGR3]
-
- ldr r1, =0x00030000
- str r1, [r0, #CLKCTL_CCGR4]
- ldr r1, =0x00FFF030
- str r1, [r0, #CLKCTL_CCGR5]
- ldr r1, =0x00000300
- str r1, [r0, #CLKCTL_CCGR6]
-
- /* Disable IPU and HSC dividers */
- mov r1, #0x60000
- str r1, [r0, #CLKCTL_CCDR]
-
- /* Make sure to switch the DDR away from PLL 1 */
- ldr r1, =0x19239145
- str r1, [r0, #CLKCTL_CBCDR]
- /* make sure divider effective */
-1: ldr r1, [r0, #CLKCTL_CDHIPR]
- cmp r1, #0x0
- bne 1b
-
- /* Switch ARM to step clock */
- mov r1, #0x4
- str r1, [r0, #CLKCTL_CCSR]
- mov r3, #DP_OP_800
- mov r4, #DP_MFD_800
- mov r5, #DP_MFN_800
- setup_pll PLL1_BASE_ADDR
-
- mov r3, #DP_OP_665
- mov r4, #DP_MFD_665
- mov r5, #DP_MFN_665
- setup_pll PLL3_BASE_ADDR
-
- /* Switch peripheral to PLL 3 */
- ldr r0, =CCM_BASE_ADDR
- ldr r1, =0x000010C0
- orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
- str r1, [r0, #CLKCTL_CBCMR]
- ldr r1, =0x13239145
- str r1, [r0, #CLKCTL_CBCDR]
- mov r3, #DP_OP_665
- mov r4, #DP_MFD_665
- mov r5, #DP_MFN_665
- setup_pll PLL2_BASE_ADDR
-
- /* Switch peripheral to PLL2 */
- ldr r0, =CCM_BASE_ADDR
- ldr r1, =0x19239145
- str r1, [r0, #CLKCTL_CBCDR]
- ldr r1, =0x000020C0
- orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
- str r1, [r0, #CLKCTL_CBCMR]
-
- mov r3, #DP_OP_216
- mov r4, #DP_MFD_216
- mov r5, #DP_MFN_216
- setup_pll PLL3_BASE_ADDR
-
-
- /* Set the platform clock dividers */
- ldr r0, =ARM_BASE_ADDR
- ldr r1, =0x00000725
- str r1, [r0, #0x14]
-
- ldr r0, =CCM_BASE_ADDR
-
- /* Run 3.0 at Full speed, for other TO's wait till we increase VDDGP */
- ldr r1, =0x0
- ldr r3, [r1, #ROM_SI_REV]
- cmp r3, #0x10
- movls r1, #0x1
- movhi r1, #0
- str r1, [r0, #CLKCTL_CACRR]
-
- /* Switch ARM back to PLL 1 */
- mov r1, #0
- str r1, [r0, #CLKCTL_CCSR]
-
- /* setup the rest */
- /* Use lp_apm (24MHz) source for perclk */
- ldr r1, =0x000020C2
- orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
- str r1, [r0, #CLKCTL_CBCMR]
- /* ddr clock from PLL 1, all perclk dividers are 1 since using 24MHz */
- ldr r1, =CONFIG_SYS_CLKTL_CBCDR
- str r1, [r0, #CLKCTL_CBCDR]
-
- /* Restore the default values in the Gate registers */
- ldr r1, =0xFFFFFFFF
- str r1, [r0, #CLKCTL_CCGR0]
- str r1, [r0, #CLKCTL_CCGR1]
- str r1, [r0, #CLKCTL_CCGR2]
- str r1, [r0, #CLKCTL_CCGR3]
- str r1, [r0, #CLKCTL_CCGR4]
- str r1, [r0, #CLKCTL_CCGR5]
- str r1, [r0, #CLKCTL_CCGR6]
-
- /* Use PLL 2 for UART's, get 66.5MHz from it */
- ldr r1, =0xA5A2A020
- str r1, [r0, #CLKCTL_CSCMR1]
- ldr r1, =0x00C30321
- str r1, [r0, #CLKCTL_CSCDR1]
-
- /* make sure divider effective */
-1: ldr r1, [r0, #CLKCTL_CDHIPR]
- cmp r1, #0x0
- bne 1b
-
- mov r1, #0x0
- str r1, [r0, #CLKCTL_CCDR]
-
- /* for cko - for ARM div by 8 */
- mov r1, #0x000A0000
- add r1, r1, #0x00000F0
- str r1, [r0, #CLKCTL_CCOSR]
-.endm
-
-.macro setup_wdog
- ldr r0, =WDOG1_BASE_ADDR
- mov r1, #0x30
- strh r1, [r0]
-.endm
-
-.section ".text.init", "x"
-
-.globl lowlevel_init
-lowlevel_init:
- ldr r0, =GPIO1_BASE_ADDR
- ldr r1, [r0, #0x0]
- orr r1, r1, #(1 << 23)
- str r1, [r0, #0x0]
- ldr r1, [r0, #0x4]
- orr r1, r1, #(1 << 23)
- str r1, [r0, #0x4]
-
-#ifdef ENABLE_IMPRECISE_ABORT
- mrs r1, spsr /* save old spsr */
- mrs r0, cpsr /* read out the cpsr */
- bic r0, r0, #0x100 /* clear the A bit */
- msr spsr, r0 /* update spsr */
- add lr, pc, #0x8 /* update lr */
- movs pc, lr /* update cpsr */
- nop
- nop
- nop
- nop
- msr spsr, r1 /* restore old spsr */
-#endif
-
- init_l2cc
-
- init_aips
-
- init_m4if
-
- init_clock
-
- /* r12 saved upper lr*/
- mov pc,lr
-
-/* Board level setting value */
-DDR_PERCHARGE_CMD: .word 0x04008008
-DDR_REFRESH_CMD: .word 0x00008010
-DDR_LMR1_W: .word 0x00338018
-DDR_LMR_CMD: .word 0xB2220000
-DDR_TIMING_W: .word 0xB02567A9
-DDR_MISC_W: .word 0x000A0104
+++ /dev/null
-/*
- * (C) Copyright 2007
- * Sascha Hauer, Pengutronix
- *
- * (C) Copyright 2009 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/clock.h>
-#include <asm/errno.h>
-#include <asm/io.h>
-
-#ifdef CONFIG_FSL_ESDHC
-#include <fsl_esdhc.h>
-#endif
-
-u32 get_cpu_rev(void)
-{
- int reg;
- int system_rev;
-
- reg = __raw_readl(ROM_SI_REV);
- switch (reg) {
- case 0x02:
- system_rev = 0x51000 | CHIP_REV_1_1;
- break;
- case 0x10:
- if ((__raw_readl(GPIO1_BASE_ADDR + 0x0) & (0x1 << 22)) == 0)
- system_rev = 0x51000 | CHIP_REV_2_5;
- else
- system_rev = 0x51000 | CHIP_REV_2_0;
- break;
- case 0x20:
- system_rev = 0x51000 | CHIP_REV_3_0;
- break;
- return system_rev;
- default:
- system_rev = 0x51000 | CHIP_REV_1_0;
- break;
- }
- return system_rev;
-}
-
-
-#if defined(CONFIG_DISPLAY_CPUINFO)
-int print_cpuinfo(void)
-{
- u32 cpurev;
-
- cpurev = get_cpu_rev();
- printf("CPU: Freescale i.MX51 family rev%d.%d at %d MHz\n",
- (cpurev & 0xF0) >> 4,
- (cpurev & 0x0F) >> 4,
- mxc_get_clock(MXC_ARM_CLK) / 1000000);
- return 0;
-}
-#endif
-
-/*
- * Initializes on-chip ethernet controllers.
- * to override, implement board_eth_init()
- */
-#if defined(CONFIG_FEC_MXC)
-extern int fecmxc_initialize(bd_t *bis);
-#endif
-
-int cpu_eth_init(bd_t *bis)
-{
- int rc = -ENODEV;
-
-#if defined(CONFIG_FEC_MXC)
- rc = fecmxc_initialize(bis);
-#endif
-
- return rc;
-}
-
-/*
- * Initializes on-chip MMC controllers.
- * to override, implement board_mmc_init()
- */
-int cpu_mmc_init(bd_t *bis)
-{
-#ifdef CONFIG_FSL_ESDHC
- return fsl_esdhc_mmc_init(bis);
-#else
- return 0;
-#endif
-}
-
-
-void reset_cpu(ulong addr)
-{
- __raw_writew(4, WDOG1_BASE_ADDR);
-}
+++ /dev/null
-/*
- * (C) Copyright 2000-2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
- * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/clock.h>
-
-int get_clocks(void)
-{
- DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef CONFIG_FSL_ESDHC
- gd->sdhc_clk = mxc_get_clock(MXC_IPG_PERCLK);
-#endif
- return 0;
-}
+++ /dev/null
-/*
- * (C) Copyright 2007
- * Sascha Hauer, Pengutronix
- *
- * (C) Copyright 2009 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-
-/* General purpose timers registers */
-struct mxc_gpt {
- unsigned int control;
- unsigned int prescaler;
- unsigned int status;
- unsigned int nouse[6];
- unsigned int counter;
-};
-
-static struct mxc_gpt *cur_gpt = (struct mxc_gpt *)GPT1_BASE_ADDR;
-
-/* General purpose timers bitfields */
-#define GPTCR_SWR (1<<15) /* Software reset */
-#define GPTCR_FRR (1<<9) /* Freerun / restart */
-#define GPTCR_CLKSOURCE_32 (4<<6) /* Clock source */
-#define GPTCR_TEN (1) /* Timer enable */
-
-static ulong timestamp;
-static ulong lastinc;
-
-int timer_init(void)
-{
- int i;
-
- /* setup GP Timer 1 */
- __raw_writel(GPTCR_SWR, &cur_gpt->control);
-
- /* We have no udelay by now */
- for (i = 0; i < 100; i++)
- __raw_writel(0, &cur_gpt->control);
-
- __raw_writel(0, &cur_gpt->prescaler); /* 32Khz */
-
- /* Freerun Mode, PERCLK1 input */
- i = __raw_readl(&cur_gpt->control);
- __raw_writel(i | GPTCR_CLKSOURCE_32 | GPTCR_TEN, &cur_gpt->control);
- reset_timer_masked();
- return 0;
-}
-
-void reset_timer(void)
-{
- reset_timer_masked();
-}
-
-void reset_timer_masked(void)
-{
- ulong val = __raw_readl(&cur_gpt->counter);
- lastinc = val / (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ);
- timestamp = 0;
-}
-
-ulong get_timer_masked(void)
-{
- ulong val = __raw_readl(&cur_gpt->counter);
- val /= (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ);
- if (val >= lastinc)
- timestamp += (val - lastinc);
- else
- timestamp += ((0xFFFFFFFF / (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ))
- - lastinc) + val;
- lastinc = val;
- return val;
-}
-
-ulong get_timer(ulong base)
-{
- return get_timer_masked() - base;
-}
-
-void set_timer(ulong t)
-{
- timestamp = t;
-}
-
-/* delay x useconds AND preserve advance timestamp value */
-void __udelay(unsigned long usec)
-{
- unsigned long now, start, tmo;
- tmo = usec * (CONFIG_MX51_CLK32 / 1000) / 1000;
-
- if (!tmo)
- tmo = 1;
-
- now = start = readl(&cur_gpt->counter);
-
- while ((now - start) < tmo)
- now = readl(&cur_gpt->counter);
-
-}
+++ /dev/null
-/*
- * January 2004 - Changed to support H4 device
- * Copyright (c) 2004 Texas Instruments
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
- *
- * (C) Copyright 2009 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
-OUTPUT_ARCH(arm)
-ENTRY(_start)
-SECTIONS
-{
- . = 0x00000000;
-
- . = ALIGN(4);
- .text :
- {
- arch/arm/cpu/arm_cortexa8/start.o
- *(.text)
- }
-
- . = ALIGN(4);
- .rodata : { *(.rodata) }
-
- . = ALIGN(4);
- .data : { *(.data) }
-
- . = ALIGN(4);
- .got : { *(.got) }
-
- . = .;
- __u_boot_cmd_start = .;
- .u_boot_cmd : { *(.u_boot_cmd) }
- __u_boot_cmd_end = .;
-
- . = ALIGN(4);
- __bss_start = .;
- .bss : { *(.bss) }
- _end = .;
-}
+++ /dev/null
-#
-# (C) Copyright 2000-2003
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(SOC).a
-
-SOBJS := lowlevel_init.o
-SOBJS += cache.o
-SOBJS += reset.o
-
-COBJS += board.o
-COBJS += clock.o
-COBJS += gpio.o
-COBJS += mem.o
-COBJS += syslib.o
-COBJS += sys_info.o
-COBJS += timer.o
-
-COBJS-$(CONFIG_EMIF4) += emif4.o
-COBJS-$(CONFIG_SDRC) += sdrc.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS) $(COBJS-y) $(SOBJS))
-
-all: $(obj).depend $(LIB)
-
-$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-/*
- *
- * Common board functions for OMAP3 based boards.
- *
- * (C) Copyright 2004-2008
- * Texas Instruments, <www.ti.com>
- *
- * Author :
- * Sunil Kumar <sunilsaini05@gmail.com>
- * Shashi Ranjan <shashiranjanmca05@gmail.com>
- *
- * Derived from Beagle Board and 3430 SDP code by
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- *
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/arch/mem.h>
-#include <asm/cache.h>
-
-extern omap3_sysinfo sysinfo;
-
-/******************************************************************************
- * Routine: delay
- * Description: spinning delay to use before udelay works
- *****************************************************************************/
-static inline void delay(unsigned long loops)
-{
- __asm__ volatile ("1:\n" "subs %0, %1, #1\n"
- "bne 1b":"=r" (loops):"0"(loops));
-}
-
-/******************************************************************************
- * Routine: secure_unlock
- * Description: Setup security registers for access
- * (GP Device only)
- *****************************************************************************/
-void secure_unlock_mem(void)
-{
- struct pm *pm_rt_ape_base = (struct pm *)PM_RT_APE_BASE_ADDR_ARM;
- struct pm *pm_gpmc_base = (struct pm *)PM_GPMC_BASE_ADDR_ARM;
- struct pm *pm_ocm_ram_base = (struct pm *)PM_OCM_RAM_BASE_ADDR_ARM;
- struct pm *pm_iva2_base = (struct pm *)PM_IVA2_BASE_ADDR_ARM;
- struct sms *sms_base = (struct sms *)OMAP34XX_SMS_BASE;
-
- /* Protection Module Register Target APE (PM_RT) */
- writel(UNLOCK_1, &pm_rt_ape_base->req_info_permission_1);
- writel(UNLOCK_1, &pm_rt_ape_base->read_permission_0);
- writel(UNLOCK_1, &pm_rt_ape_base->wirte_permission_0);
- writel(UNLOCK_2, &pm_rt_ape_base->addr_match_1);
-
- writel(UNLOCK_3, &pm_gpmc_base->req_info_permission_0);
- writel(UNLOCK_3, &pm_gpmc_base->read_permission_0);
- writel(UNLOCK_3, &pm_gpmc_base->wirte_permission_0);
-
- writel(UNLOCK_3, &pm_ocm_ram_base->req_info_permission_0);
- writel(UNLOCK_3, &pm_ocm_ram_base->read_permission_0);
- writel(UNLOCK_3, &pm_ocm_ram_base->wirte_permission_0);
- writel(UNLOCK_2, &pm_ocm_ram_base->addr_match_2);
-
- /* IVA Changes */
- writel(UNLOCK_3, &pm_iva2_base->req_info_permission_0);
- writel(UNLOCK_3, &pm_iva2_base->read_permission_0);
- writel(UNLOCK_3, &pm_iva2_base->wirte_permission_0);
-
- /* SDRC region 0 public */
- writel(UNLOCK_1, &sms_base->rg_att0);
-}
-
-/******************************************************************************
- * Routine: secureworld_exit()
- * Description: If chip is EMU and boot type is external
- * configure secure registers and exit secure world
- * general use.
- *****************************************************************************/
-void secureworld_exit()
-{
- unsigned long i;
-
- /* configrue non-secure access control register */
- __asm__ __volatile__("mrc p15, 0, %0, c1, c1, 2":"=r"(i));
- /* enabling co-processor CP10 and CP11 accesses in NS world */
- __asm__ __volatile__("orr %0, %0, #0xC00":"=r"(i));
- /*
- * allow allocation of locked TLBs and L2 lines in NS world
- * allow use of PLE registers in NS world also
- */
- __asm__ __volatile__("orr %0, %0, #0x70000":"=r"(i));
- __asm__ __volatile__("mcr p15, 0, %0, c1, c1, 2":"=r"(i));
-
- /* Enable ASA in ACR register */
- __asm__ __volatile__("mrc p15, 0, %0, c1, c0, 1":"=r"(i));
- __asm__ __volatile__("orr %0, %0, #0x10":"=r"(i));
- __asm__ __volatile__("mcr p15, 0, %0, c1, c0, 1":"=r"(i));
-
- /* Exiting secure world */
- __asm__ __volatile__("mrc p15, 0, %0, c1, c1, 0":"=r"(i));
- __asm__ __volatile__("orr %0, %0, #0x31":"=r"(i));
- __asm__ __volatile__("mcr p15, 0, %0, c1, c1, 0":"=r"(i));
-}
-
-/******************************************************************************
- * Routine: setup_auxcr()
- * Description: Write to AuxCR desired value using SMI.
- * general use.
- *****************************************************************************/
-void setup_auxcr()
-{
- unsigned long i;
- volatile unsigned int j;
- /* Save r0, r12 and restore them after usage */
- __asm__ __volatile__("mov %0, r12":"=r"(j));
- __asm__ __volatile__("mov %0, r0":"=r"(i));
-
- /*
- * GP Device ROM code API usage here
- * r12 = AUXCR Write function and r0 value
- */
- __asm__ __volatile__("mov r12, #0x3");
- __asm__ __volatile__("mrc p15, 0, r0, c1, c0, 1");
- /* Enabling ASA */
- __asm__ __volatile__("orr r0, r0, #0x10");
- /* Enable L1NEON */
- __asm__ __volatile__("orr r0, r0, #1 << 5");
- /* SMI instruction to call ROM Code API */
- __asm__ __volatile__(".word 0xE1600070");
- /* Set PLD_FWD bit in L2AUXCR (Cortex-A8 erratum 725233 workaround) */
- __asm__ __volatile__("mov r12, #0x2");
- __asm__ __volatile__("mrc p15, 1, r0, c9, c0, 2");
- __asm__ __volatile__("orr r0, r0, #1 << 27");
- /* SMI instruction to call ROM Code API */
- __asm__ __volatile__(".word 0xE1600070");
- __asm__ __volatile__("mov r0, %0":"=r"(i));
- __asm__ __volatile__("mov r12, %0":"=r"(j));
-}
-
-/******************************************************************************
- * Routine: try_unlock_sram()
- * Description: If chip is GP/EMU(special) type, unlock the SRAM for
- * general use.
- *****************************************************************************/
-void try_unlock_memory()
-{
- int mode;
- int in_sdram = is_running_in_sdram();
-
- /*
- * if GP device unlock device SRAM for general use
- * secure code breaks for Secure/Emulation device - HS/E/T
- */
- mode = get_device_type();
- if (mode == GP_DEVICE)
- secure_unlock_mem();
-
- /*
- * If device is EMU and boot is XIP external booting
- * Unlock firewalls and disable L2 and put chip
- * out of secure world
- *
- * Assuming memories are unlocked by the demon who put us in SDRAM
- */
- if ((mode <= EMU_DEVICE) && (get_boot_type() == 0x1F)
- && (!in_sdram)) {
- secure_unlock_mem();
- secureworld_exit();
- }
-
- return;
-}
-
-/******************************************************************************
- * Routine: s_init
- * Description: Does early system init of muxing and clocks.
- * - Called path is with SRAM stack.
- *****************************************************************************/
-void s_init(void)
-{
- int in_sdram = is_running_in_sdram();
-
- watchdog_init();
-
- try_unlock_memory();
-
- /*
- * Right now flushing at low MPU speed.
- * Need to move after clock init
- */
- invalidate_dcache(get_device_type());
-#ifndef CONFIG_ICACHE_OFF
- icache_enable();
-#endif
-
-#ifdef CONFIG_L2_OFF
- l2_cache_disable();
-#else
- l2_cache_enable();
-#endif
- /*
- * Writing to AuxCR in U-boot using SMI for GP DEV
- * Currently SMI in Kernel on ES2 devices seems to have an issue
- * Once that is resolved, we can postpone this config to kernel
- */
- if (get_device_type() == GP_DEVICE)
- setup_auxcr();
-
- set_muxconf_regs();
- delay(100);
-
- prcm_init();
-
- per_clocks_enable();
-
- if (!in_sdram)
- mem_init();
-}
-
-/******************************************************************************
- * Routine: wait_for_command_complete
- * Description: Wait for posting to finish on watchdog
- *****************************************************************************/
-void wait_for_command_complete(struct watchdog *wd_base)
-{
- int pending = 1;
- do {
- pending = readl(&wd_base->wwps);
- } while (pending);
-}
-
-/******************************************************************************
- * Routine: watchdog_init
- * Description: Shut down watch dogs
- *****************************************************************************/
-void watchdog_init(void)
-{
- struct watchdog *wd2_base = (struct watchdog *)WD2_BASE;
- struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
-
- /*
- * There are 3 watch dogs WD1=Secure, WD2=MPU, WD3=IVA. WD1 is
- * either taken care of by ROM (HS/EMU) or not accessible (GP).
- * We need to take care of WD2-MPU or take a PRCM reset. WD3
- * should not be running and does not generate a PRCM reset.
- */
-
- sr32(&prcm_base->fclken_wkup, 5, 1, 1);
- sr32(&prcm_base->iclken_wkup, 5, 1, 1);
- wait_on_value(ST_WDT2, 0x20, &prcm_base->idlest_wkup, 5);
-
- writel(WD_UNLOCK1, &wd2_base->wspr);
- wait_for_command_complete(wd2_base);
- writel(WD_UNLOCK2, &wd2_base->wspr);
-}
-
-/******************************************************************************
- * Dummy function to handle errors for EABI incompatibility
- *****************************************************************************/
-void abort(void)
-{
-}
-
-#ifdef CONFIG_NAND_OMAP_GPMC
-/******************************************************************************
- * OMAP3 specific command to switch between NAND HW and SW ecc
- *****************************************************************************/
-static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- if (argc != 2)
- goto usage;
- if (strncmp(argv[1], "hw", 2) == 0)
- omap_nand_switch_ecc(1);
- else if (strncmp(argv[1], "sw", 2) == 0)
- omap_nand_switch_ecc(0);
- else
- goto usage;
-
- return 0;
-
-usage:
- printf ("Usage: nandecc %s\n", cmdtp->usage);
- return 1;
-}
-
-U_BOOT_CMD(
- nandecc, 2, 1, do_switch_ecc,
- "switch OMAP3 NAND ECC calculation algorithm",
- "[hw/sw] - Switch between NAND hardware (hw) or software (sw) ecc algorithm"
-);
-
-#endif /* CONFIG_NAND_OMAP_GPMC */
-
-#ifdef CONFIG_DISPLAY_BOARDINFO
-/**
- * Print board information
- */
-int checkboard (void)
-{
- char *mem_s ;
-
- if (is_mem_sdr())
- mem_s = "mSDR";
- else
- mem_s = "LPDDR";
-
- printf("%s + %s/%s\n", sysinfo.board_string, mem_s,
- sysinfo.nand_string);
-
- return 0;
-}
-#endif /* CONFIG_DISPLAY_BOARDINFO */
+++ /dev/null
-/*
- * Copyright (c) 2009 Wind River Systems, Inc.
- * Tom Rix <Tom.Rix@windriver.com>
- *
- * This file is based on and replaces the existing cache.c file
- * The copyrights for the cache.c file are:
- *
- * (C) Copyright 2008 Texas Insturments
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <asm/arch/omap3.h>
-
-/*
- * omap3 cache code
- */
-
-.align 5
-.global invalidate_dcache
-.global l2_cache_enable
-.global l2_cache_disable
-
-/*
- * invalidate_dcache()
- *
- * Invalidate the whole D-cache.
- *
- * Corrupted registers: r0-r5, r7, r9-r11
- *
- * - mm - mm_struct describing address space
- */
-invalidate_dcache:
- stmfd r13!, {r0 - r5, r7, r9 - r12, r14}
-
- mov r7, r0 @ take a backup of device type
- cmp r0, #0x3 @ check if the device type is
- @ GP
- moveq r12, #0x1 @ set up to invalide L2
-smi: .word 0x01600070 @ Call SMI monitor (smieq)
- cmp r7, #0x3 @ compare again in case its
- @ lost
- beq finished_inval @ if GP device, inval done
- @ above
-
- mrc p15, 1, r0, c0, c0, 1 @ read clidr
- ands r3, r0, #0x7000000 @ extract loc from clidr
- mov r3, r3, lsr #23 @ left align loc bit field
- beq finished_inval @ if loc is 0, then no need to
- @ clean
- mov r10, #0 @ start clean at cache level 0
-inval_loop1:
- add r2, r10, r10, lsr #1 @ work out 3x current cache
- @ level
- mov r1, r0, lsr r2 @ extract cache type bits from
- @ clidr
- and r1, r1, #7 @ mask of the bits for current
- @ cache only
- cmp r1, #2 @ see what cache we have at
- @ this level
- blt skip_inval @ skip if no cache, or just
- @ i-cache
- mcr p15, 2, r10, c0, c0, 0 @ select current cache level
- @ in cssr
- mov r2, #0 @ operand for mcr SBZ
- mcr p15, 0, r2, c7, c5, 4 @ flush prefetch buffer to
- @ sych the new cssr&csidr,
- @ with armv7 this is 'isb',
- @ but we compile with armv5
- mrc p15, 1, r1, c0, c0, 0 @ read the new csidr
- and r2, r1, #7 @ extract the length of the
- @ cache lines
- add r2, r2, #4 @ add 4 (line length offset)
- ldr r4, =0x3ff
- ands r4, r4, r1, lsr #3 @ find maximum number on the
- @ way size
- clz r5, r4 @ find bit position of way
- @ size increment
- ldr r7, =0x7fff
- ands r7, r7, r1, lsr #13 @ extract max number of the
- @ index size
-inval_loop2:
- mov r9, r4 @ create working copy of max
- @ way size
-inval_loop3:
- orr r11, r10, r9, lsl r5 @ factor way and cache number
- @ into r11
- orr r11, r11, r7, lsl r2 @ factor index number into r11
- mcr p15, 0, r11, c7, c6, 2 @ invalidate by set/way
- subs r9, r9, #1 @ decrement the way
- bge inval_loop3
- subs r7, r7, #1 @ decrement the index
- bge inval_loop2
-skip_inval:
- add r10, r10, #2 @ increment cache number
- cmp r3, r10
- bgt inval_loop1
-finished_inval:
- mov r10, #0 @ swith back to cache level 0
- mcr p15, 2, r10, c0, c0, 0 @ select current cache level
- @ in cssr
- mcr p15, 0, r10, c7, c5, 4 @ flush prefetch buffer,
- @ with armv7 this is 'isb',
- @ but we compile with armv5
-
- ldmfd r13!, {r0 - r5, r7, r9 - r12, pc}
-
-
-l2_cache_enable:
- stmfd r13!, {r0, r1, r2, lr}
- @ ES2 onwards we can disable/enable L2 ourselves
- bl get_cpu_rev
- cmp r0, #CPU_3XX_ES20
- blt l2_cache_disable_EARLIER_THAN_ES2
- mrc 15, 0, r3, cr1, cr0, 1
- orr r3, r3, #2
- mcr 15, 0, r3, cr1, cr0, 1
- b l2_cache_enable_END
-l2_cache_enable_EARLIER_THAN_ES2:
- @ Save r0, r12 and restore them after usage
- mov r3, ip
- str r3, [sp, #4]
- mov r3, r0
- @
- @ GP Device ROM code API usage here
- @ r12 = AUXCR Write function and r0 value
- @
- mov ip, #3
- mrc 15, 0, r0, cr1, cr0, 1
- orr r0, r0, #2
- @ SMI instruction to call ROM Code API
- .word 0xe1600070
- mov r0, r3
- mov ip, r3
- str r3, [sp, #4]
-l2_cache_enable_END:
- ldmfd r13!, {r1, r2, r3, pc}
-
-
-l2_cache_disable:
- stmfd r13!, {r0, r1, r2, lr}
- @ ES2 onwards we can disable/enable L2 ourselves
- bl get_cpu_rev
- cmp r0, #CPU_3XX_ES20
- blt l2_cache_disable_EARLIER_THAN_ES2
- mrc 15, 0, r3, cr1, cr0, 1
- bic r3, r3, #2
- mcr 15, 0, r3, cr1, cr0, 1
- b l2_cache_disable_END
-l2_cache_disable_EARLIER_THAN_ES2:
- @ Save r0, r12 and restore them after usage
- mov r3, ip
- str r3, [sp, #4]
- mov r3, r0
- @
- @ GP Device ROM code API usage here
- @ r12 = AUXCR Write function and r0 value
- @
- mov ip, #3
- mrc 15, 0, r0, cr1, cr0, 1
- bic r0, r0, #2
- @ SMI instruction to call ROM Code API
- .word 0xe1600070
- mov r0, r3
- mov ip, r3
- str r3, [sp, #4]
-l2_cache_disable_END:
- ldmfd r13!, {r1, r2, r3, pc}
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Texas Instruments, <www.ti.com>
- *
- * Author :
- * Manikandan Pillai <mani.pillai@ti.com>
- *
- * Derived from Beagle Board and OMAP3 SDP code by
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clocks.h>
-#include <asm/arch/clocks_omap3.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/sys_proto.h>
-#include <environment.h>
-#include <command.h>
-
-/******************************************************************************
- * get_sys_clk_speed() - determine reference oscillator speed
- * based on known 32kHz clock and gptimer.
- *****************************************************************************/
-u32 get_osc_clk_speed(void)
-{
- u32 start, cstart, cend, cdiff, cdiv, val;
- struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
- struct prm *prm_base = (struct prm *)PRM_BASE;
- struct gptimer *gpt1_base = (struct gptimer *)OMAP34XX_GPT1;
- struct s32ktimer *s32k_base = (struct s32ktimer *)SYNC_32KTIMER_BASE;
-
- val = readl(&prm_base->clksrc_ctrl);
-
- if (val & SYSCLKDIV_2)
- cdiv = 2;
- else if (val & SYSCLKDIV_1)
- cdiv = 1;
- else
- /*
- * Should never reach here! (Assume divider as 1)
- */
- cdiv = 1;
-
- /* enable timer2 */
- val = readl(&prcm_base->clksel_wkup) | CLKSEL_GPT1;
-
- /* select sys_clk for GPT1 */
- writel(val, &prcm_base->clksel_wkup);
-
- /* Enable I and F Clocks for GPT1 */
- val = readl(&prcm_base->iclken_wkup) | EN_GPT1 | EN_32KSYNC;
- writel(val, &prcm_base->iclken_wkup);
-
- val = readl(&prcm_base->fclken_wkup) | EN_GPT1;
- writel(val, &prcm_base->fclken_wkup);
-
- writel(0, &gpt1_base->tldr); /* start counting at 0 */
- writel(GPT_EN, &gpt1_base->tclr); /* enable clock */
-
- /* enable 32kHz source, determine sys_clk via gauging */
-
- /* start time in 20 cycles */
- start = 20 + readl(&s32k_base->s32k_cr);
-
- /* dead loop till start time */
- while (readl(&s32k_base->s32k_cr) < start);
-
- /* get start sys_clk count */
- cstart = readl(&gpt1_base->tcrr);
-
- /* wait for 40 cycles */
- while (readl(&s32k_base->s32k_cr) < (start + 20)) ;
- cend = readl(&gpt1_base->tcrr); /* get end sys_clk count */
- cdiff = cend - cstart; /* get elapsed ticks */
-
- if (cdiv == 2)
- {
- cdiff *= 2;
- }
-
- /* based on number of ticks assign speed */
- if (cdiff > 19000)
- return S38_4M;
- else if (cdiff > 15200)
- return S26M;
- else if (cdiff > 13000)
- return S24M;
- else if (cdiff > 9000)
- return S19_2M;
- else if (cdiff > 7600)
- return S13M;
- else
- return S12M;
-}
-
-/******************************************************************************
- * get_sys_clkin_sel() - returns the sys_clkin_sel field value based on
- * input oscillator clock frequency.
- *****************************************************************************/
-void get_sys_clkin_sel(u32 osc_clk, u32 *sys_clkin_sel)
-{
- switch(osc_clk) {
- case S38_4M:
- *sys_clkin_sel = 4;
- break;
- case S26M:
- *sys_clkin_sel = 3;
- break;
- case S19_2M:
- *sys_clkin_sel = 2;
- break;
- case S13M:
- *sys_clkin_sel = 1;
- break;
- case S12M:
- default:
- *sys_clkin_sel = 0;
- }
-}
-
-/******************************************************************************
- * prcm_init() - inits clocks for PRCM as defined in clocks.h
- * called from SRAM, or Flash (using temp SRAM stack).
- *****************************************************************************/
-void prcm_init(void)
-{
- void (*f_lock_pll) (u32, u32, u32, u32);
- int xip_safe, p0, p1, p2, p3;
- u32 osc_clk = 0, sys_clkin_sel;
- u32 clk_index, sil_index = 0;
- struct prm *prm_base = (struct prm *)PRM_BASE;
- struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
- dpll_param *dpll_param_p;
-
- f_lock_pll = (void *) ((u32) &_end_vect - (u32) &_start +
- SRAM_VECT_CODE);
-
- xip_safe = is_running_in_sram();
-
- /*
- * Gauge the input clock speed and find out the sys_clkin_sel
- * value corresponding to the input clock.
- */
- osc_clk = get_osc_clk_speed();
- get_sys_clkin_sel(osc_clk, &sys_clkin_sel);
-
- /* set input crystal speed */
- sr32(&prm_base->clksel, 0, 3, sys_clkin_sel);
-
- /* If the input clock is greater than 19.2M always divide/2 */
- if (sys_clkin_sel > 2) {
- /* input clock divider */
- sr32(&prm_base->clksrc_ctrl, 6, 2, 2);
- clk_index = sys_clkin_sel / 2;
- } else {
- /* input clock divider */
- sr32(&prm_base->clksrc_ctrl, 6, 2, 1);
- clk_index = sys_clkin_sel;
- }
-
- /*
- * The DPLL tables are defined according to sysclk value and
- * silicon revision. The clk_index value will be used to get
- * the values for that input sysclk from the DPLL param table
- * and sil_index will get the values for that SysClk for the
- * appropriate silicon rev.
- */
- if (get_cpu_rev())
- sil_index = 1;
-
- /* Unlock MPU DPLL (slows things down, and needed later) */
- sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOW_POWER_BYPASS);
- wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu, LDELAY);
-
- /* Getting the base address of Core DPLL param table */
- dpll_param_p = (dpll_param *) get_core_dpll_param();
-
- /* Moving it to the right sysclk and ES rev base */
- dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
- if (xip_safe) {
- /*
- * CORE DPLL
- * sr32(CM_CLKSEL2_EMU) set override to work when asleep
- */
- sr32(&prcm_base->clken_pll, 0, 3, PLL_FAST_RELOCK_BYPASS);
- wait_on_value(ST_CORE_CLK, 0, &prcm_base->idlest_ckgen,
- LDELAY);
-
- /*
- * For OMAP3 ES1.0 Errata 1.50, default value directly doesn't
- * work. write another value and then default value.
- */
-
- /* m3x2 */
- sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2 + 1);
- /* m3x2 */
- sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2);
- /* Set M2 */
- sr32(&prcm_base->clksel1_pll, 27, 2, dpll_param_p->m2);
- /* Set M */
- sr32(&prcm_base->clksel1_pll, 16, 11, dpll_param_p->m);
- /* Set N */
- sr32(&prcm_base->clksel1_pll, 8, 7, dpll_param_p->n);
- /* 96M Src */
- sr32(&prcm_base->clksel1_pll, 6, 1, 0);
- /* ssi */
- sr32(&prcm_base->clksel_core, 8, 4, CORE_SSI_DIV);
- /* fsusb */
- sr32(&prcm_base->clksel_core, 4, 2, CORE_FUSB_DIV);
- /* l4 */
- sr32(&prcm_base->clksel_core, 2, 2, CORE_L4_DIV);
- /* l3 */
- sr32(&prcm_base->clksel_core, 0, 2, CORE_L3_DIV);
- /* gfx */
- sr32(&prcm_base->clksel_gfx, 0, 3, GFX_DIV);
- /* reset mgr */
- sr32(&prcm_base->clksel_wkup, 1, 2, WKUP_RSM);
- /* FREQSEL */
- sr32(&prcm_base->clken_pll, 4, 4, dpll_param_p->fsel);
- /* lock mode */
- sr32(&prcm_base->clken_pll, 0, 3, PLL_LOCK);
-
- wait_on_value(ST_CORE_CLK, 1, &prcm_base->idlest_ckgen,
- LDELAY);
- } else if (is_running_in_flash()) {
- /*
- * if running from flash, jump to small relocated code
- * area in SRAM.
- */
- p0 = readl(&prcm_base->clken_pll);
- sr32(&p0, 0, 3, PLL_FAST_RELOCK_BYPASS);
- sr32(&p0, 4, 4, dpll_param_p->fsel); /* FREQSEL */
-
- p1 = readl(&prcm_base->clksel1_pll);
- sr32(&p1, 27, 2, dpll_param_p->m2); /* Set M2 */
- sr32(&p1, 16, 11, dpll_param_p->m); /* Set M */
- sr32(&p1, 8, 7, dpll_param_p->n); /* Set N */
- sr32(&p1, 6, 1, 0); /* set source for 96M */
-
- p2 = readl(&prcm_base->clksel_core);
- sr32(&p2, 8, 4, CORE_SSI_DIV); /* ssi */
- sr32(&p2, 4, 2, CORE_FUSB_DIV); /* fsusb */
- sr32(&p2, 2, 2, CORE_L4_DIV); /* l4 */
- sr32(&p2, 0, 2, CORE_L3_DIV); /* l3 */
-
- p3 = (u32)&prcm_base->idlest_ckgen;
-
- (*f_lock_pll) (p0, p1, p2, p3);
- }
-
- /* PER DPLL */
- sr32(&prcm_base->clken_pll, 16, 3, PLL_STOP);
- wait_on_value(ST_PERIPH_CLK, 0, &prcm_base->idlest_ckgen, LDELAY);
-
- /* Getting the base address to PER DPLL param table */
-
- /* Set N */
- dpll_param_p = (dpll_param *) get_per_dpll_param();
-
- /* Moving it to the right sysclk base */
- dpll_param_p = dpll_param_p + clk_index;
-
- /*
- * Errata 1.50 Workaround for OMAP3 ES1.0 only
- * If using default divisors, write default divisor + 1
- * and then the actual divisor value
- */
- sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2 + 1); /* set M6 */
- sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2); /* set M6 */
- sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2 + 1); /* set M5 */
- sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2); /* set M5 */
- sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2 + 1); /* set M4 */
- sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2); /* set M4 */
- sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2 + 1); /* set M3 */
- sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2); /* set M3 */
- sr32(&prcm_base->clksel3_pll, 0, 5, dpll_param_p->m2 + 1); /* set M2 */
- sr32(&prcm_base->clksel3_pll, 0, 5, dpll_param_p->m2); /* set M2 */
- /* Workaround end */
-
- sr32(&prcm_base->clksel2_pll, 8, 11, dpll_param_p->m); /* set m */
- sr32(&prcm_base->clksel2_pll, 0, 7, dpll_param_p->n); /* set n */
- sr32(&prcm_base->clken_pll, 20, 4, dpll_param_p->fsel); /* FREQSEL */
- sr32(&prcm_base->clken_pll, 16, 3, PLL_LOCK); /* lock mode */
- wait_on_value(ST_PERIPH_CLK, 2, &prcm_base->idlest_ckgen, LDELAY);
-
- /* Getting the base address to MPU DPLL param table */
- dpll_param_p = (dpll_param *) get_mpu_dpll_param();
-
- /* Moving it to the right sysclk and ES rev base */
- dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
-
- /* MPU DPLL (unlocked already) */
-
- /* Set M2 */
- sr32(&prcm_base->clksel2_pll_mpu, 0, 5, dpll_param_p->m2);
- /* Set M */
- sr32(&prcm_base->clksel1_pll_mpu, 8, 11, dpll_param_p->m);
- /* Set N */
- sr32(&prcm_base->clksel1_pll_mpu, 0, 7, dpll_param_p->n);
- /* FREQSEL */
- sr32(&prcm_base->clken_pll_mpu, 4, 4, dpll_param_p->fsel);
- /* lock mode */
- sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOCK);
- wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu, LDELAY);
-
- /* Getting the base address to IVA DPLL param table */
- dpll_param_p = (dpll_param *) get_iva_dpll_param();
-
- /* Moving it to the right sysclk and ES rev base */
- dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
-
- /* IVA DPLL (set to 12*20=240MHz) */
- sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_STOP);
- wait_on_value(ST_IVA2_CLK, 0, &prcm_base->idlest_pll_iva2, LDELAY);
- /* set M2 */
- sr32(&prcm_base->clksel2_pll_iva2, 0, 5, dpll_param_p->m2);
- /* set M */
- sr32(&prcm_base->clksel1_pll_iva2, 8, 11, dpll_param_p->m);
- /* set N */
- sr32(&prcm_base->clksel1_pll_iva2, 0, 7, dpll_param_p->n);
- /* FREQSEL */
- sr32(&prcm_base->clken_pll_iva2, 4, 4, dpll_param_p->fsel);
- /* lock mode */
- sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_LOCK);
- wait_on_value(ST_IVA2_CLK, 1, &prcm_base->idlest_pll_iva2, LDELAY);
-
- /* Set up GPTimers to sys_clk source only */
- sr32(&prcm_base->clksel_per, 0, 8, 0xff);
- sr32(&prcm_base->clksel_wkup, 0, 1, 1);
-
- sdelay(5000);
-}
-
-/******************************************************************************
- * peripheral_enable() - Enable the clks & power for perifs (GPT2, UART1,...)
- *****************************************************************************/
-void per_clocks_enable(void)
-{
- struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
-
- /* Enable GP2 timer. */
- sr32(&prcm_base->clksel_per, 0, 1, 0x1); /* GPT2 = sys clk */
- sr32(&prcm_base->iclken_per, 3, 1, 0x1); /* ICKen GPT2 */
- sr32(&prcm_base->fclken_per, 3, 1, 0x1); /* FCKen GPT2 */
-
-#ifdef CONFIG_SYS_NS16550
- /* Enable UART1 clocks */
- sr32(&prcm_base->fclken1_core, 13, 1, 0x1);
- sr32(&prcm_base->iclken1_core, 13, 1, 0x1);
-
- /* UART 3 Clocks */
- sr32(&prcm_base->fclken_per, 11, 1, 0x1);
- sr32(&prcm_base->iclken_per, 11, 1, 0x1);
-#endif
-
-#ifdef CONFIG_OMAP3_GPIO_2
- sr32(&prcm_base->fclken_per, 13, 1, 1);
- sr32(&prcm_base->iclken_per, 13, 1, 1);
-#endif
-#ifdef CONFIG_OMAP3_GPIO_3
- sr32(&prcm_base->fclken_per, 14, 1, 1);
- sr32(&prcm_base->iclken_per, 14, 1, 1);
-#endif
-#ifdef CONFIG_OMAP3_GPIO_4
- sr32(&prcm_base->fclken_per, 15, 1, 1);
- sr32(&prcm_base->iclken_per, 15, 1, 1);
-#endif
-#ifdef CONFIG_OMAP3_GPIO_5
- sr32(&prcm_base->fclken_per, 16, 1, 1);
- sr32(&prcm_base->iclken_per, 16, 1, 1);
-#endif
-#ifdef CONFIG_OMAP3_GPIO_6
- sr32(&prcm_base->fclken_per, 17, 1, 1);
- sr32(&prcm_base->iclken_per, 17, 1, 1);
-#endif
-
-#ifdef CONFIG_DRIVER_OMAP34XX_I2C
- /* Turn on all 3 I2C clocks */
- sr32(&prcm_base->fclken1_core, 15, 3, 0x7);
- sr32(&prcm_base->iclken1_core, 15, 3, 0x7); /* I2C1,2,3 = on */
-#endif
- /* Enable the ICLK for 32K Sync Timer as its used in udelay */
- sr32(&prcm_base->iclken_wkup, 2, 1, 0x1);
-
- sr32(&prcm_base->fclken_iva2, 0, 32, FCK_IVA2_ON);
- sr32(&prcm_base->fclken1_core, 0, 32, FCK_CORE1_ON);
- sr32(&prcm_base->iclken1_core, 0, 32, ICK_CORE1_ON);
- sr32(&prcm_base->iclken2_core, 0, 32, ICK_CORE2_ON);
- sr32(&prcm_base->fclken_wkup, 0, 32, FCK_WKUP_ON);
- sr32(&prcm_base->iclken_wkup, 0, 32, ICK_WKUP_ON);
- sr32(&prcm_base->fclken_dss, 0, 32, FCK_DSS_ON);
- sr32(&prcm_base->iclken_dss, 0, 32, ICK_DSS_ON);
- sr32(&prcm_base->fclken_cam, 0, 32, FCK_CAM_ON);
- sr32(&prcm_base->iclken_cam, 0, 32, ICK_CAM_ON);
- sr32(&prcm_base->fclken_per, 0, 32, FCK_PER_ON);
- sr32(&prcm_base->iclken_per, 0, 32, ICK_PER_ON);
-
- sdelay(1000);
-}
+++ /dev/null
-/*
- * Author :
- * Vaibhav Hiremath <hvaibhav@ti.com>
- *
- * Based on mem.c and sdrc.c
- *
- * Copyright (C) 2010
- * Texas Instruments Incorporated - http://www.ti.com/
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/arch/emif4.h>
-
-extern omap3_sysinfo sysinfo;
-
-static emif4_t *emif4_base = (emif4_t *)OMAP34XX_SDRC_BASE;
-
-/*
- * is_mem_sdr -
- * - Return 1 if mem type in use is SDR
- */
-u32 is_mem_sdr(void)
-{
- return 0;
-}
-
-/*
- * get_sdr_cs_size -
- * - Get size of chip select 0/1
- */
-u32 get_sdr_cs_size(u32 cs)
-{
- u32 size;
-
- /* TODO: Calculate the size based on EMIF4 configuration */
- size = CONFIG_SYS_CS0_SIZE;
-
- return size;
-}
-
-/*
- * get_sdr_cs_offset -
- * - Get offset of cs from cs0 start
- */
-u32 get_sdr_cs_offset(u32 cs)
-{
- u32 offset = 0;
-
- return offset;
-}
-
-/*
- * do_emif4_init -
- * - Init the emif4 module for DDR access
- * - Early init routines, called from flash or SRAM.
- */
-void do_emif4_init(void)
-{
- unsigned int regval;
- /* Set the DDR PHY parameters in PHY ctrl registers */
- regval = (EMIF4_DDR1_READ_LAT | EMIF4_DDR1_PWRDN_DIS |
- EMIF4_DDR1_EXT_STRB_DIS);
- writel(regval, &emif4_base->ddr_phyctrl1);
- writel(regval, &emif4_base->ddr_phyctrl1_shdw);
- writel(0, &emif4_base->ddr_phyctrl2);
-
- /* Reset the DDR PHY and wait till completed */
- regval = readl(&emif4_base->sdram_iodft_tlgc);
- regval |= (1<<10);
- writel(regval, &emif4_base->sdram_iodft_tlgc);
- /*Wait till that bit clears*/
- while ((readl(&emif4_base->sdram_iodft_tlgc) & (1<<10)) == 0x1);
- /*Re-verify the DDR PHY status*/
- while ((readl(&emif4_base->sdram_sts) & (1<<2)) == 0x0);
-
- regval |= (1<<0);
- writel(regval, &emif4_base->sdram_iodft_tlgc);
- /* Set SDR timing registers */
- regval = (EMIF4_TIM1_T_WTR | EMIF4_TIM1_T_RRD |
- EMIF4_TIM1_T_RC | EMIF4_TIM1_T_RAS |
- EMIF4_TIM1_T_WR | EMIF4_TIM1_T_RCD |
- EMIF4_TIM1_T_RP);
- writel(regval, &emif4_base->sdram_time1);
- writel(regval, &emif4_base->sdram_time1_shdw);
-
- regval = (EMIF4_TIM2_T_CKE | EMIF4_TIM2_T_RTP |
- EMIF4_TIM2_T_XSRD | EMIF4_TIM2_T_XSNR |
- EMIF4_TIM2_T_ODT | EMIF4_TIM2_T_XP);
- writel(regval, &emif4_base->sdram_time2);
- writel(regval, &emif4_base->sdram_time2_shdw);
-
- regval = (EMIF4_TIM3_T_RAS_MAX | EMIF4_TIM3_T_RFC);
- writel(regval, &emif4_base->sdram_time3);
- writel(regval, &emif4_base->sdram_time3_shdw);
-
- /* Set the PWR control register */
- regval = (EMIF4_PWR_PM_TIM | EMIF4_PWR_LP_MODE |
- EMIF4_PWR_DPD_DIS | EMIF4_PWR_IDLE_MODE);
- writel(regval, &emif4_base->sdram_pwr_mgmt);
- writel(regval, &emif4_base->sdram_pwr_mgmt_shdw);
-
- /* Set the DDR refresh rate control register */
- regval = (EMIF4_REFRESH_RATE | EMIF4_INITREF_DIS);
- writel(regval, &emif4_base->sdram_refresh_ctrl);
- writel(regval, &emif4_base->sdram_refresh_ctrl_shdw);
-
- /* set the SDRAM configuration register */
- regval = (EMIF4_CFG_PGSIZE | EMIF4_CFG_EBANK |
- EMIF4_CFG_IBANK | EMIF4_CFG_ROWSIZE |
- EMIF4_CFG_CL | EMIF4_CFG_NARROW_MD |
- EMIF4_CFG_SDR_DRV | EMIF4_CFG_DDR_DIS_DLL |
- EMIF4_CFG_DDR2_DDQS | EMIF4_CFG_DDR_TERM |
- EMIF4_CFG_IBANK_POS | EMIF4_CFG_SDRAM_TYP);
- writel(regval, &emif4_base->sdram_config);
-}
-
-/*
- * dram_init -
- * - Sets uboots idea of sdram size
- */
-int dram_init(void)
-{
- DECLARE_GLOBAL_DATA_PTR;
- unsigned int size0 = 0, size1 = 0;
-
- size0 = get_sdr_cs_size(CS0);
- /*
- * If a second bank of DDR is attached to CS1 this is
- * where it can be started. Early init code will init
- * memory on CS0.
- */
- if ((sysinfo.mtype == DDR_COMBO) || (sysinfo.mtype == DDR_STACKED))
- size1 = get_sdr_cs_size(CS1);
-
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = size0;
- gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + get_sdr_cs_offset(CS1);
- gd->bd->bi_dram[1].size = size1;
-
- return 0;
-}
-
-/*
- * mem_init() -
- * - Initialize memory subsystem
- */
-void mem_init(void)
-{
- do_emif4_init();
-}
+++ /dev/null
-/*
- * Copyright (c) 2009 Wind River Systems, Inc.
- * Tom Rix <Tom.Rix@windriver.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- * This work is derived from the linux 2.6.27 kernel source
- * To fetch, use the kernel repository
- * git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
- * Use the v2.6.27 tag.
- *
- * Below is the original's header including its copyright
- *
- * linux/arch/arm/plat-omap/gpio.c
- *
- * Support functions for OMAP GPIO
- *
- * Copyright (C) 2003-2005 Nokia Corporation
- * Written by Juha Yrjölä <juha.yrjola@nokia.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <common.h>
-#include <asm/arch/gpio.h>
-#include <asm/io.h>
-#include <asm/errno.h>
-
-static struct gpio_bank gpio_bank_34xx[6] = {
- { (void *)OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX },
- { (void *)OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX },
- { (void *)OMAP34XX_GPIO3_BASE, METHOD_GPIO_24XX },
- { (void *)OMAP34XX_GPIO4_BASE, METHOD_GPIO_24XX },
- { (void *)OMAP34XX_GPIO5_BASE, METHOD_GPIO_24XX },
- { (void *)OMAP34XX_GPIO6_BASE, METHOD_GPIO_24XX },
-};
-
-static struct gpio_bank *gpio_bank = &gpio_bank_34xx[0];
-
-static inline struct gpio_bank *get_gpio_bank(int gpio)
-{
- return &gpio_bank[gpio >> 5];
-}
-
-static inline int get_gpio_index(int gpio)
-{
- return gpio & 0x1f;
-}
-
-static inline int gpio_valid(int gpio)
-{
- if (gpio < 0)
- return -1;
- if (gpio < 192)
- return 0;
- return -1;
-}
-
-static int check_gpio(int gpio)
-{
- if (gpio_valid(gpio) < 0) {
- printf("ERROR : check_gpio: invalid GPIO %d\n", gpio);
- return -1;
- }
- return 0;
-}
-
-static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input)
-{
- void *reg = bank->base;
- u32 l;
-
- switch (bank->method) {
- case METHOD_GPIO_24XX:
- reg += OMAP24XX_GPIO_OE;
- break;
- default:
- return;
- }
- l = __raw_readl(reg);
- if (is_input)
- l |= 1 << gpio;
- else
- l &= ~(1 << gpio);
- __raw_writel(l, reg);
-}
-
-void omap_set_gpio_direction(int gpio, int is_input)
-{
- struct gpio_bank *bank;
-
- if (check_gpio(gpio) < 0)
- return;
- bank = get_gpio_bank(gpio);
- _set_gpio_direction(bank, get_gpio_index(gpio), is_input);
-}
-
-static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable)
-{
- void *reg = bank->base;
- u32 l = 0;
-
- switch (bank->method) {
- case METHOD_GPIO_24XX:
- if (enable)
- reg += OMAP24XX_GPIO_SETDATAOUT;
- else
- reg += OMAP24XX_GPIO_CLEARDATAOUT;
- l = 1 << gpio;
- break;
- default:
- printf("omap3-gpio unknown bank method %s %d\n",
- __FILE__, __LINE__);
- return;
- }
- __raw_writel(l, reg);
-}
-
-void omap_set_gpio_dataout(int gpio, int enable)
-{
- struct gpio_bank *bank;
-
- if (check_gpio(gpio) < 0)
- return;
- bank = get_gpio_bank(gpio);
- _set_gpio_dataout(bank, get_gpio_index(gpio), enable);
-}
-
-int omap_get_gpio_datain(int gpio)
-{
- struct gpio_bank *bank;
- void *reg;
-
- if (check_gpio(gpio) < 0)
- return -EINVAL;
- bank = get_gpio_bank(gpio);
- reg = bank->base;
- switch (bank->method) {
- case METHOD_GPIO_24XX:
- reg += OMAP24XX_GPIO_DATAIN;
- break;
- default:
- return -EINVAL;
- }
- return (__raw_readl(reg)
- & (1 << get_gpio_index(gpio))) != 0;
-}
-
-static void _reset_gpio(struct gpio_bank *bank, int gpio)
-{
- _set_gpio_direction(bank, get_gpio_index(gpio), 1);
-}
-
-int omap_request_gpio(int gpio)
-{
- if (check_gpio(gpio) < 0)
- return -EINVAL;
-
- return 0;
-}
-
-void omap_free_gpio(int gpio)
-{
- struct gpio_bank *bank;
-
- if (check_gpio(gpio) < 0)
- return;
- bank = get_gpio_bank(gpio);
-
- _reset_gpio(bank, gpio);
-}
+++ /dev/null
-/*
- * Board specific setup info
- *
- * (C) Copyright 2008
- * Texas Instruments, <www.ti.com>
- *
- * Initial Code by:
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <config.h>
-#include <version.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/clocks_omap3.h>
-
-_TEXT_BASE:
- .word TEXT_BASE /* sdram load addr from config.mk */
-
-#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_NAND_BOOT)
-/**************************************************************************
- * cpy_clk_code: relocates clock code into SRAM where its safer to execute
- * R1 = SRAM destination address.
- *************************************************************************/
-.global cpy_clk_code
- cpy_clk_code:
- /* Copy DPLL code into SRAM */
- adr r0, go_to_speed /* get addr of clock setting code */
- mov r2, #384 /* r2 size to copy (div by 32 bytes) */
- mov r1, r1 /* r1 <- dest address (passed in) */
- add r2, r2, r0 /* r2 <- source end address */
-next2:
- ldmia r0!, {r3 - r10} /* copy from source address [r0] */
- stmia r1!, {r3 - r10} /* copy to target address [r1] */
- cmp r0, r2 /* until source end address [r2] */
- bne next2
- mov pc, lr /* back to caller */
-
-/* ***************************************************************************
- * go_to_speed: -Moves to bypass, -Commits clock dividers, -puts dpll at speed
- * -executed from SRAM.
- * R0 = CM_CLKEN_PLL-bypass value
- * R1 = CM_CLKSEL1_PLL-m, n, and divider values
- * R2 = CM_CLKSEL_CORE-divider values
- * R3 = CM_IDLEST_CKGEN - addr dpll lock wait
- *
- * Note: If core unlocks/relocks and SDRAM is running fast already it gets
- * confused. A reset of the controller gets it back. Taking away its
- * L3 when its not in self refresh seems bad for it. Normally, this
- * code runs from flash before SDR is init so that should be ok.
- ****************************************************************************/
-.global go_to_speed
- go_to_speed:
- stmfd sp!, {r4 - r6}
-
- /* move into fast relock bypass */
- ldr r4, pll_ctl_add
- str r0, [r4]
-wait1:
- ldr r5, [r3] /* get status */
- and r5, r5, #0x1 /* isolate core status */
- cmp r5, #0x1 /* still locked? */
- beq wait1 /* if lock, loop */
-
- /* set new dpll dividers _after_ in bypass */
- ldr r5, pll_div_add1
- str r1, [r5] /* set m, n, m2 */
- ldr r5, pll_div_add2
- str r2, [r5] /* set l3/l4/.. dividers*/
- ldr r5, pll_div_add3 /* wkup */
- ldr r2, pll_div_val3 /* rsm val */
- str r2, [r5]
- ldr r5, pll_div_add4 /* gfx */
- ldr r2, pll_div_val4
- str r2, [r5]
- ldr r5, pll_div_add5 /* emu */
- ldr r2, pll_div_val5
- str r2, [r5]
-
- /* now prepare GPMC (flash) for new dpll speed */
- /* flash needs to be stable when we jump back to it */
- ldr r5, flash_cfg3_addr
- ldr r2, flash_cfg3_val
- str r2, [r5]
- ldr r5, flash_cfg4_addr
- ldr r2, flash_cfg4_val
- str r2, [r5]
- ldr r5, flash_cfg5_addr
- ldr r2, flash_cfg5_val
- str r2, [r5]
- ldr r5, flash_cfg1_addr
- ldr r2, [r5]
- orr r2, r2, #0x3 /* up gpmc divider */
- str r2, [r5]
-
- /* lock DPLL3 and wait a bit */
- orr r0, r0, #0x7 /* set up for lock mode */
- str r0, [r4] /* lock */
- nop /* ARM slow at this point working at sys_clk */
- nop
- nop
- nop
-wait2:
- ldr r5, [r3] /* get status */
- and r5, r5, #0x1 /* isolate core status */
- cmp r5, #0x1 /* still locked? */
- bne wait2 /* if lock, loop */
- nop
- nop
- nop
- nop
- ldmfd sp!, {r4 - r6}
- mov pc, lr /* back to caller, locked */
-
-_go_to_speed: .word go_to_speed
-
-/* these constants need to be close for PIC code */
-/* The Nor has to be in the Flash Base CS0 for this condition to happen */
-flash_cfg1_addr:
- .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG1)
-flash_cfg3_addr:
- .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG3)
-flash_cfg3_val:
- .word STNOR_GPMC_CONFIG3
-flash_cfg4_addr:
- .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG4)
-flash_cfg4_val:
- .word STNOR_GPMC_CONFIG4
-flash_cfg5_val:
- .word STNOR_GPMC_CONFIG5
-flash_cfg5_addr:
- .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG5)
-pll_ctl_add:
- .word CM_CLKEN_PLL
-pll_div_add1:
- .word CM_CLKSEL1_PLL
-pll_div_add2:
- .word CM_CLKSEL_CORE
-pll_div_add3:
- .word CM_CLKSEL_WKUP
-pll_div_val3:
- .word (WKUP_RSM << 1)
-pll_div_add4:
- .word CM_CLKSEL_GFX
-pll_div_val4:
- .word (GFX_DIV << 0)
-pll_div_add5:
- .word CM_CLKSEL1_EMU
-pll_div_val5:
- .word CLSEL1_EMU_VAL
-
-#endif
-
-.globl lowlevel_init
-lowlevel_init:
- ldr sp, SRAM_STACK
- str ip, [sp] /* stash old link register */
- mov ip, lr /* save link reg across call */
- bl s_init /* go setup pll, mux, memory */
- ldr ip, [sp] /* restore save ip */
- mov lr, ip /* restore link reg */
-
- /* back to arch calling code */
- mov pc, lr
-
- /* the literal pools origin */
- .ltorg
-
-REG_CONTROL_STATUS:
- .word CONTROL_STATUS
-SRAM_STACK:
- .word LOW_LEVEL_SRAM_STACK
-
-/* DPLL(1-4) PARAM TABLES */
-
-/*
- * Each of the tables has M, N, FREQSEL, M2 values defined for nominal
- * OPP (1.2V). The fields are defined according to dpll_param struct (clock.c).
- * The values are defined for all possible sysclk and for ES1 and ES2.
- */
-
-mpu_dpll_param:
-/* 12MHz */
-/* ES1 */
-.word MPU_M_12_ES1, MPU_N_12_ES1, MPU_FSEL_12_ES1, MPU_M2_12_ES1
-/* ES2 */
-.word MPU_M_12_ES2, MPU_N_12_ES2, MPU_FSEL_12_ES2, MPU_M2_ES2
-/* 3410 */
-.word MPU_M_12, MPU_N_12, MPU_FSEL_12, MPU_M2_12
-
-/* 13MHz */
-/* ES1 */
-.word MPU_M_13_ES1, MPU_N_13_ES1, MPU_FSEL_13_ES1, MPU_M2_13_ES1
-/* ES2 */
-.word MPU_M_13_ES2, MPU_N_13_ES2, MPU_FSEL_13_ES2, MPU_M2_13_ES2
-/* 3410 */
-.word MPU_M_13, MPU_N_13, MPU_FSEL_13, MPU_M2_13
-
-/* 19.2MHz */
-/* ES1 */
-.word MPU_M_19P2_ES1, MPU_N_19P2_ES1, MPU_FSEL_19P2_ES1, MPU_M2_19P2_ES1
-/* ES2 */
-.word MPU_M_19P2_ES2, MPU_N_19P2_ES2, MPU_FSEL_19P2_ES2, MPU_M2_19P2_ES2
-/* 3410 */
-.word MPU_M_19P2, MPU_N_19P2, MPU_FSEL_19P2, MPU_M2_19P2
-
-/* 26MHz */
-/* ES1 */
-.word MPU_M_26_ES1, MPU_N_26_ES1, MPU_FSEL_26_ES1, MPU_M2_26_ES1
-/* ES2 */
-.word MPU_M_26_ES2, MPU_N_26_ES2, MPU_FSEL_26_ES2, MPU_M2_26_ES2
-/* 3410 */
-.word MPU_M_26, MPU_N_26, MPU_FSEL_26, MPU_M2_26
-
-/* 38.4MHz */
-/* ES1 */
-.word MPU_M_38P4_ES1, MPU_N_38P4_ES1, MPU_FSEL_38P4_ES1, MPU_M2_38P4_ES1
-/* ES2 */
-.word MPU_M_38P4_ES2, MPU_N_38P4_ES2, MPU_FSEL_38P4_ES2, MPU_M2_38P4_ES2
-/* 3410 */
-.word MPU_M_38P4, MPU_N_38P4, MPU_FSEL_38P4, MPU_M2_38P4
-
-
-.globl get_mpu_dpll_param
-get_mpu_dpll_param:
- adr r0, mpu_dpll_param
- mov pc, lr
-
-iva_dpll_param:
-/* 12MHz */
-/* ES1 */
-.word IVA_M_12_ES1, IVA_N_12_ES1, IVA_FSEL_12_ES1, IVA_M2_12_ES1
-/* ES2 */
-.word IVA_M_12_ES2, IVA_N_12_ES2, IVA_FSEL_12_ES2, IVA_M2_12_ES2
-/* 3410 */
-.word IVA_M_12, IVA_N_12, IVA_FSEL_12, IVA_M2_12
-
-/* 13MHz */
-/* ES1 */
-.word IVA_M_13_ES1, IVA_N_13_ES1, IVA_FSEL_13_ES1, IVA_M2_13_ES1
-/* ES2 */
-.word IVA_M_13_ES2, IVA_N_13_ES2, IVA_FSEL_13_ES2, IVA_M2_13_ES2
-/* 3410 */
-.word IVA_M_13, IVA_N_13, IVA_FSEL_13, IVA_M2_13
-
-/* 19.2MHz */
-/* ES1 */
-.word IVA_M_19P2_ES1, IVA_N_19P2_ES1, IVA_FSEL_19P2_ES1, IVA_M2_19P2_ES1
-/* ES2 */
-.word IVA_M_19P2_ES2, IVA_N_19P2_ES2, IVA_FSEL_19P2_ES2, IVA_M2_19P2_ES2
-/* 3410 */
-.word IVA_M_19P2, IVA_N_19P2, IVA_FSEL_19P2, IVA_M2_19P2
-
-/* 26MHz */
-/* ES1 */
-.word IVA_M_26_ES1, IVA_N_26_ES1, IVA_FSEL_26_ES1, IVA_M2_26_ES1
-/* ES2 */
-.word IVA_M_26_ES2, IVA_N_26_ES2, IVA_FSEL_26_ES2, IVA_M2_26_ES2
-/* 3410 */
-.word IVA_M_26, IVA_N_26, IVA_FSEL_26, IVA_M2_26
-
-/* 38.4MHz */
-/* ES1 */
-.word IVA_M_38P4_ES1, IVA_N_38P4_ES1, IVA_FSEL_38P4_ES1, IVA_M2_38P4_ES1
-/* ES2 */
-.word IVA_M_38P4_ES2, IVA_N_38P4_ES2, IVA_FSEL_38P4_ES2, IVA_M2_38P4_ES2
-/* 3410 */
-.word IVA_M_38P4, IVA_N_38P4, IVA_FSEL_38P4, IVA_M2_38P4
-
-
-.globl get_iva_dpll_param
-get_iva_dpll_param:
- adr r0, iva_dpll_param
- mov pc, lr
-
-/* Core DPLL targets for L3 at 166 & L133 */
-core_dpll_param:
-/* 12MHz */
-/* ES1 */
-.word CORE_M_12_ES1, CORE_N_12_ES1, CORE_FSL_12_ES1, CORE_M2_12_ES1
-/* ES2 */
-.word CORE_M_12, CORE_N_12, CORE_FSEL_12, CORE_M2_12
-/* 3410 */
-.word CORE_M_12, CORE_N_12, CORE_FSEL_12, CORE_M2_12
-
-/* 13MHz */
-/* ES1 */
-.word CORE_M_13_ES1, CORE_N_13_ES1, CORE_FSL_13_ES1, CORE_M2_13_ES1
-/* ES2 */
-.word CORE_M_13, CORE_N_13, CORE_FSEL_13, CORE_M2_13
-/* 3410 */
-.word CORE_M_13, CORE_N_13, CORE_FSEL_13, CORE_M2_13
-
-/* 19.2MHz */
-/* ES1 */
-.word CORE_M_19P2_ES1, CORE_N_19P2_ES1, CORE_FSL_19P2_ES1, CORE_M2_19P2_ES1
-/* ES2 */
-.word CORE_M_19P2, CORE_N_19P2, CORE_FSEL_19P2, CORE_M2_19P2
-/* 3410 */
-.word CORE_M_19P2, CORE_N_19P2, CORE_FSEL_19P2, CORE_M2_19P2
-
-/* 26MHz */
-/* ES1 */
-.word CORE_M_26_ES1, CORE_N_26_ES1, CORE_FSL_26_ES1, CORE_M2_26_ES1
-/* ES2 */
-.word CORE_M_26, CORE_N_26, CORE_FSEL_26, CORE_M2_26
-/* 3410 */
-.word CORE_M_26, CORE_N_26, CORE_FSEL_26, CORE_M2_26
-
-/* 38.4MHz */
-/* ES1 */
-.word CORE_M_38P4_ES1, CORE_N_38P4_ES1, CORE_FSL_38P4_ES1, CORE_M2_38P4_ES1
-/* ES2 */
-.word CORE_M_38P4, CORE_N_38P4, CORE_FSEL_38P4, CORE_M2_38P4
-/* 3410 */
-.word CORE_M_38P4, CORE_N_38P4, CORE_FSEL_38P4, CORE_M2_38P4
-
-.globl get_core_dpll_param
-get_core_dpll_param:
- adr r0, core_dpll_param
- mov pc, lr
-
-/* PER DPLL values are same for both ES1 and ES2 */
-per_dpll_param:
-/* 12MHz */
-.word PER_M_12, PER_N_12, PER_FSEL_12, PER_M2_12
-
-/* 13MHz */
-.word PER_M_13, PER_N_13, PER_FSEL_13, PER_M2_13
-
-/* 19.2MHz */
-.word PER_M_19P2, PER_N_19P2, PER_FSEL_19P2, PER_M2_19P2
-
-/* 26MHz */
-.word PER_M_26, PER_N_26, PER_FSEL_26, PER_M2_26
-
-/* 38.4MHz */
-.word PER_M_38P4, PER_N_38P4, PER_FSEL_38P4, PER_M2_38P4
-
-.globl get_per_dpll_param
-get_per_dpll_param:
- adr r0, per_dpll_param
- mov pc, lr
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Texas Instruments, <www.ti.com>
- *
- * Author :
- * Manikandan Pillai <mani.pillai@ti.com>
- *
- * Initial Code from:
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/sys_proto.h>
-#include <command.h>
-
-/*
- * Only One NAND allowed on board at a time.
- * The GPMC CS Base for the same
- */
-unsigned int boot_flash_base;
-unsigned int boot_flash_off;
-unsigned int boot_flash_sec;
-unsigned int boot_flash_type;
-volatile unsigned int boot_flash_env_addr;
-
-struct gpmc *gpmc_cfg;
-
-#if defined(CONFIG_CMD_NAND)
-static const u32 gpmc_m_nand[GPMC_MAX_REG] = {
- M_NAND_GPMC_CONFIG1,
- M_NAND_GPMC_CONFIG2,
- M_NAND_GPMC_CONFIG3,
- M_NAND_GPMC_CONFIG4,
- M_NAND_GPMC_CONFIG5,
- M_NAND_GPMC_CONFIG6, 0
-};
-
-#if defined(CONFIG_ENV_IS_IN_NAND)
-#define GPMC_CS 0
-#else
-#define GPMC_CS 1
-#endif
-
-#endif
-
-#if defined(CONFIG_CMD_ONENAND)
-static const u32 gpmc_onenand[GPMC_MAX_REG] = {
- ONENAND_GPMC_CONFIG1,
- ONENAND_GPMC_CONFIG2,
- ONENAND_GPMC_CONFIG3,
- ONENAND_GPMC_CONFIG4,
- ONENAND_GPMC_CONFIG5,
- ONENAND_GPMC_CONFIG6, 0
-};
-
-#if defined(CONFIG_ENV_IS_IN_ONENAND)
-#define GPMC_CS 0
-#else
-#define GPMC_CS 1
-#endif
-
-#endif
-
-/********************************************************
- * mem_ok() - test used to see if timings are correct
- * for a part. Helps in guessing which part
- * we are currently using.
- *******************************************************/
-u32 mem_ok(u32 cs)
-{
- u32 val1, val2, addr;
- u32 pattern = 0x12345678;
-
- addr = OMAP34XX_SDRC_CS0 + get_sdr_cs_offset(cs);
-
- writel(0x0, addr + 0x400); /* clear pos A */
- writel(pattern, addr); /* pattern to pos B */
- writel(0x0, addr + 4); /* remove pattern off the bus */
- val1 = readl(addr + 0x400); /* get pos A value */
- val2 = readl(addr); /* get val2 */
-
- if ((val1 != 0) || (val2 != pattern)) /* see if pos A val changed */
- return 0;
- else
- return 1;
-}
-
-void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
- u32 size)
-{
- writel(0, &cs->config7);
- sdelay(1000);
- /* Delay for settling */
- writel(gpmc_config[0], &cs->config1);
- writel(gpmc_config[1], &cs->config2);
- writel(gpmc_config[2], &cs->config3);
- writel(gpmc_config[3], &cs->config4);
- writel(gpmc_config[4], &cs->config5);
- writel(gpmc_config[5], &cs->config6);
- /* Enable the config */
- writel((((size & 0xF) << 8) | ((base >> 24) & 0x3F) |
- (1 << 6)), &cs->config7);
- sdelay(2000);
-}
-
-/*****************************************************
- * gpmc_init(): init gpmc bus
- * Init GPMC for x16, MuxMode (SDRAM in x32).
- * This code can only be executed from SRAM or SDRAM.
- *****************************************************/
-void gpmc_init(void)
-{
- /* putting a blanket check on GPMC based on ZeBu for now */
- gpmc_cfg = (struct gpmc *)GPMC_BASE;
-#if defined(CONFIG_CMD_NAND) || defined(CONFIG_CMD_ONENAND)
- const u32 *gpmc_config = NULL;
- u32 base = 0;
- u32 size = 0;
-#if defined(CONFIG_ENV_IS_IN_NAND) || defined(CONFIG_ENV_IS_IN_ONENAND)
- u32 f_off = CONFIG_SYS_MONITOR_LEN;
- u32 f_sec = 0;
-#endif
-#endif
- u32 config = 0;
-
- /* global settings */
- writel(0, &gpmc_cfg->irqenable); /* isr's sources masked */
- writel(0, &gpmc_cfg->timeout_control);/* timeout disable */
-
- config = readl(&gpmc_cfg->config);
- config &= (~0xf00);
- writel(config, &gpmc_cfg->config);
-
- /*
- * Disable the GPMC0 config set by ROM code
- * It conflicts with our MPDB (both at 0x08000000)
- */
- writel(0, &gpmc_cfg->cs[0].config7);
- sdelay(1000);
-
-#if defined(CONFIG_CMD_NAND) /* CS 0 */
- gpmc_config = gpmc_m_nand;
-
- base = PISMO1_NAND_BASE;
- size = PISMO1_NAND_SIZE;
- enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size);
-#if defined(CONFIG_ENV_IS_IN_NAND)
- f_off = SMNAND_ENV_OFFSET;
- f_sec = (128 << 10); /* 128 KiB */
- /* env setup */
- boot_flash_base = base;
- boot_flash_off = f_off;
- boot_flash_sec = f_sec;
- boot_flash_env_addr = f_off;
-#endif
-#endif
-
-#if defined(CONFIG_CMD_ONENAND)
- gpmc_config = gpmc_onenand;
- base = PISMO1_ONEN_BASE;
- size = PISMO1_ONEN_SIZE;
- enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size);
-#if defined(CONFIG_ENV_IS_IN_ONENAND)
- f_off = ONENAND_ENV_OFFSET;
- f_sec = (128 << 10); /* 128 KiB */
- /* env setup */
- boot_flash_base = base;
- boot_flash_off = f_off;
- boot_flash_sec = f_sec;
- boot_flash_env_addr = f_off;
-#endif
-#endif
-}
+++ /dev/null
-/*
- * Copyright (c) 2009 Samsung Electronics.
- * Minkyu Kang <mk7.kang@samsung.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <config.h>
-
-.global reset_cpu
-reset_cpu:
- ldr r1, rstctl @ get addr for global reset
- @ reg
- mov r3, #0x2 @ full reset pll + mpu
- str r3, [r1] @ force reset
- mov r0, r0
-_loop_forever:
- b _loop_forever
-rstctl:
- .word PRM_RSTCTRL
+++ /dev/null
-/*
- * Functions related to OMAP3 SDRC.
- *
- * This file has been created after exctracting and consolidating
- * the SDRC related content from mem.c and board.c, also created
- * generic init function (mem_init).
- *
- * Copyright (C) 2004-2010
- * Texas Instruments Incorporated - http://www.ti.com/
- *
- * Author :
- * Vaibhav Hiremath <hvaibhav@ti.com>
- *
- * Original implementation by (mem.c, board.c) :
- * Sunil Kumar <sunilsaini05@gmail.com>
- * Shashi Ranjan <shashiranjanmca05@gmail.com>
- * Manikandan Pillai <mani.pillai@ti.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/sys_proto.h>
-
-extern omap3_sysinfo sysinfo;
-
-static struct sdrc *sdrc_base = (struct sdrc *)OMAP34XX_SDRC_BASE;
-
-/*
- * is_mem_sdr -
- * - Return 1 if mem type in use is SDR
- */
-u32 is_mem_sdr(void)
-{
- if (readl(&sdrc_base->cs[CS0].mr) == SDRC_MR_0_SDR)
- return 1;
- return 0;
-}
-
-/*
- * make_cs1_contiguous -
- * - For es2 and above remap cs1 behind cs0 to allow command line
- * mem=xyz use all memory with out discontinuous support compiled in.
- * Could do it at the ATAG, but there really is two banks...
- * - Called as part of 2nd phase DDR init.
- */
-void make_cs1_contiguous(void)
-{
- u32 size, a_add_low, a_add_high;
-
- size = get_sdr_cs_size(CS0);
- size >>= 25; /* divide by 32 MiB to find size to offset CS1 */
- a_add_high = (size & 3) << 8; /* set up low field */
- a_add_low = (size & 0x3C) >> 2; /* set up high field */
- writel((a_add_high | a_add_low), &sdrc_base->cs_cfg);
-
-}
-
-
-/*
- * get_sdr_cs_size -
- * - Get size of chip select 0/1
- */
-u32 get_sdr_cs_size(u32 cs)
-{
- u32 size;
-
- /* get ram size field */
- size = readl(&sdrc_base->cs[cs].mcfg) >> 8;
- size &= 0x3FF; /* remove unwanted bits */
- size <<= 21; /* multiply by 2 MiB to find size in MB */
- return size;
-}
-
-/*
- * get_sdr_cs_offset -
- * - Get offset of cs from cs0 start
- */
-u32 get_sdr_cs_offset(u32 cs)
-{
- u32 offset;
-
- if (!cs)
- return 0;
-
- offset = readl(&sdrc_base->cs_cfg);
- offset = (offset & 15) << 27 | (offset & 0x30) >> 17;
-
- return offset;
-}
-
-/*
- * do_sdrc_init -
- * - Initialize the SDRAM for use.
- * - Sets up SDRC timings for CS0
- * - code called once in C-Stack only context for CS0 and a possible 2nd
- * time depending on memory configuration from stack+global context
- */
-void do_sdrc_init(u32 cs, u32 early)
-{
- struct sdrc_actim *sdrc_actim_base;
-
- if (cs)
- sdrc_actim_base = (struct sdrc_actim *)SDRC_ACTIM_CTRL1_BASE;
- else
- sdrc_actim_base = (struct sdrc_actim *)SDRC_ACTIM_CTRL0_BASE;
-
- if (early) {
- /* reset sdrc controller */
- writel(SOFTRESET, &sdrc_base->sysconfig);
- wait_on_value(RESETDONE, RESETDONE, &sdrc_base->status,
- 12000000);
- writel(0, &sdrc_base->sysconfig);
-
- /* setup sdrc to ball mux */
- writel(SDRC_SHARING, &sdrc_base->sharing);
-
- /* Disable Power Down of CKE cuz of 1 CKE on combo part */
- writel(WAKEUPPROC | SRFRONRESET | PAGEPOLICY_HIGH,
- &sdrc_base->power);
-
- writel(ENADLL | DLLPHASE_90, &sdrc_base->dlla_ctrl);
- sdelay(0x20000);
- }
-
- writel(RASWIDTH_13BITS | CASWIDTH_10BITS | ADDRMUXLEGACY |
- RAMSIZE_128 | BANKALLOCATION | B32NOT16 | B32NOT16 |
- DEEPPD | DDR_SDRAM, &sdrc_base->cs[cs].mcfg);
- writel(ARCV | ARE_ARCV_1, &sdrc_base->cs[cs].rfr_ctrl);
- writel(V_ACTIMA_165, &sdrc_actim_base->ctrla);
- writel(V_ACTIMB_165, &sdrc_actim_base->ctrlb);
-
- writel(CMD_NOP, &sdrc_base->cs[cs].manual);
- writel(CMD_PRECHARGE, &sdrc_base->cs[cs].manual);
- writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
- writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
-
- /*
- * CAS latency 3, Write Burst = Read Burst, Serial Mode,
- * Burst length = 4
- */
- writel(CASL3 | BURSTLENGTH4, &sdrc_base->cs[cs].mr);
-
- if (!mem_ok(cs))
- writel(0, &sdrc_base->cs[cs].mcfg);
-}
-
-/*
- * dram_init -
- * - Sets uboots idea of sdram size
- */
-int dram_init(void)
-{
- DECLARE_GLOBAL_DATA_PTR;
- unsigned int size0 = 0, size1 = 0;
-
- size0 = get_sdr_cs_size(CS0);
- /*
- * If a second bank of DDR is attached to CS1 this is
- * where it can be started. Early init code will init
- * memory on CS0.
- */
- if ((sysinfo.mtype == DDR_COMBO) || (sysinfo.mtype == DDR_STACKED)) {
- do_sdrc_init(CS1, NOT_EARLY);
- make_cs1_contiguous();
-
- size1 = get_sdr_cs_size(CS1);
- }
-
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = size0;
- gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + get_sdr_cs_offset(CS1);
- gd->bd->bi_dram[1].size = size1;
-
- return 0;
-}
-
-/*
- * mem_init -
- * - Init the sdrc chip,
- * - Selects CS0 and CS1,
- */
-void mem_init(void)
-{
- /* only init up first bank here */
- do_sdrc_init(CS0, EARLY_INIT);
-}
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Texas Instruments, <www.ti.com>
- *
- * Author :
- * Manikandan Pillai <mani.pillai@ti.com>
- *
- * Derived from Beagle Board and 3430 SDP code by
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/mem.h> /* get mem tables */
-#include <asm/arch/sys_proto.h>
-#include <i2c.h>
-
-extern omap3_sysinfo sysinfo;
-static struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
-static char *rev_s[CPU_3XX_MAX_REV] = {
- "1.0",
- "2.0",
- "2.1",
- "3.0",
- "3.1"};
-
-/*****************************************************************
- * dieid_num_r(void) - read and set die ID
- *****************************************************************/
-void dieid_num_r(void)
-{
- struct ctrl_id *id_base = (struct ctrl_id *)OMAP34XX_ID_L4_IO_BASE;
- char *uid_s, die_id[34];
- u32 id[4];
-
- memset(die_id, 0, sizeof(die_id));
-
- uid_s = getenv("dieid#");
-
- if (uid_s == NULL) {
- id[3] = readl(&id_base->die_id_0);
- id[2] = readl(&id_base->die_id_1);
- id[1] = readl(&id_base->die_id_2);
- id[0] = readl(&id_base->die_id_3);
- sprintf(die_id, "%08x%08x%08x%08x", id[0], id[1], id[2], id[3]);
- setenv("dieid#", die_id);
- uid_s = die_id;
- }
-
- printf("Die ID #%s\n", uid_s);
-}
-
-/******************************************
- * get_cpu_type(void) - extract cpu info
- ******************************************/
-u32 get_cpu_type(void)
-{
- return readl(&ctrl_base->ctrl_omap_stat);
-}
-
-/******************************************
- * get_cpu_rev(void) - extract version info
- ******************************************/
-u32 get_cpu_rev(void)
-{
- u32 cpuid = 0;
- struct ctrl_id *id_base;
-
- /*
- * On ES1.0 the IDCODE register is not exposed on L4
- * so using CPU ID to differentiate between ES1.0 and > ES1.0.
- */
- __asm__ __volatile__("mrc p15, 0, %0, c0, c0, 0":"=r"(cpuid));
- if ((cpuid & 0xf) == 0x0)
- return CPU_3XX_ES10;
- else {
- /* Decode the IDs on > ES1.0 */
- id_base = (struct ctrl_id *) OMAP34XX_ID_L4_IO_BASE;
-
- cpuid = (readl(&id_base->idcode) >> CPU_3XX_ID_SHIFT) & 0xf;
-
- /* Some early ES2.0 seem to report ID 0, fix this */
- if(cpuid == 0)
- cpuid = CPU_3XX_ES20;
-
- return cpuid;
- }
-}
-
-/***************************************************************************
- * get_gpmc0_base() - Return current address hardware will be
- * fetching from. The below effectively gives what is correct, its a bit
- * mis-leading compared to the TRM. For the most general case the mask
- * needs to be also taken into account this does work in practice.
- * - for u-boot we currently map:
- * -- 0 to nothing,
- * -- 4 to flash
- * -- 8 to enent
- * -- c to wifi
- ****************************************************************************/
-u32 get_gpmc0_base(void)
-{
- u32 b;
-
- b = readl(&gpmc_cfg->cs[0].config7);
- b &= 0x1F; /* keep base [5:0] */
- b = b << 24; /* ret 0x0b000000 */
- return b;
-}
-
-/*******************************************************************
- * get_gpmc0_width() - See if bus is in x8 or x16 (mainly for nand)
- *******************************************************************/
-u32 get_gpmc0_width(void)
-{
- return WIDTH_16BIT;
-}
-
-/*************************************************************************
- * get_board_rev() - setup to pass kernel board revision information
- * returns:(bit[0-3] sub version, higher bit[7-4] is higher version)
- *************************************************************************/
-u32 get_board_rev(void)
-{
- return 0x20;
-}
-
-/********************************************************
- * get_base(); get upper addr of current execution
- *******************************************************/
-u32 get_base(void)
-{
- u32 val;
-
- __asm__ __volatile__("mov %0, pc \n":"=r"(val)::"memory");
- val &= 0xF0000000;
- val >>= 28;
- return val;
-}
-
-/********************************************************
- * is_running_in_flash() - tell if currently running in
- * FLASH.
- *******************************************************/
-u32 is_running_in_flash(void)
-{
- if (get_base() < 4)
- return 1; /* in FLASH */
-
- return 0; /* running in SRAM or SDRAM */
-}
-
-/********************************************************
- * is_running_in_sram() - tell if currently running in
- * SRAM.
- *******************************************************/
-u32 is_running_in_sram(void)
-{
- if (get_base() == 4)
- return 1; /* in SRAM */
-
- return 0; /* running in FLASH or SDRAM */
-}
-
-/********************************************************
- * is_running_in_sdram() - tell if currently running in
- * SDRAM.
- *******************************************************/
-u32 is_running_in_sdram(void)
-{
- if (get_base() > 4)
- return 1; /* in SDRAM */
-
- return 0; /* running in SRAM or FLASH */
-}
-
-/***************************************************************
- * get_boot_type() - Is this an XIP type device or a stream one
- * bits 4-0 specify type. Bit 5 says mem/perif
- ***************************************************************/
-u32 get_boot_type(void)
-{
- return (readl(&ctrl_base->status) & SYSBOOT_MASK);
-}
-
-/*************************************************************
- * get_device_type(): tell if GP/HS/EMU/TST
- *************************************************************/
-u32 get_device_type(void)
-{
- return ((readl(&ctrl_base->status) & (DEVICE_MASK)) >> 8);
-}
-
-#ifdef CONFIG_DISPLAY_CPUINFO
-/**
- * Print CPU information
- */
-int print_cpuinfo (void)
-{
- char *cpu_s, *sec_s;
-
- switch (get_cpu_type()) {
- case OMAP3503:
- cpu_s = "3503";
- break;
- case OMAP3515:
- cpu_s = "3515";
- break;
- case OMAP3525:
- cpu_s = "3525";
- break;
- case OMAP3530:
- cpu_s = "3530";
- break;
- default:
- cpu_s = "35XX";
- break;
- }
-
- switch (get_device_type()) {
- case TST_DEVICE:
- sec_s = "TST";
- break;
- case EMU_DEVICE:
- sec_s = "EMU";
- break;
- case HS_DEVICE:
- sec_s = "HS";
- break;
- case GP_DEVICE:
- sec_s = "GP";
- break;
- default:
- sec_s = "?";
- }
-
- printf("OMAP%s-%s ES%s, CPU-OPP2 L3-165MHz\n",
- cpu_s, sec_s, rev_s[get_cpu_rev()]);
-
- return 0;
-}
-#endif /* CONFIG_DISPLAY_CPUINFO */
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Texas Instruments, <www.ti.com>
- *
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/clocks.h>
-#include <asm/arch/sys_proto.h>
-
-/************************************************************
- * sdelay() - simple spin loop. Will be constant time as
- * its generally used in bypass conditions only. This
- * is necessary until timers are accessible.
- *
- * not inline to increase chances its in cache when called
- *************************************************************/
-void sdelay(unsigned long loops)
-{
- __asm__ volatile ("1:\n" "subs %0, %1, #1\n"
- "bne 1b":"=r" (loops):"0"(loops));
-}
-
-/*****************************************************************
- * sr32 - clear & set a value in a bit range for a 32 bit address
- *****************************************************************/
-void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value)
-{
- u32 tmp, msk = 0;
- msk = 1 << num_bits;
- --msk;
- tmp = readl((u32)addr) & ~(msk << start_bit);
- tmp |= value << start_bit;
- writel(tmp, (u32)addr);
-}
-
-/*********************************************************************
- * wait_on_value() - common routine to allow waiting for changes in
- * volatile regs.
- *********************************************************************/
-u32 wait_on_value(u32 read_bit_mask, u32 match_value, void *read_addr,
- u32 bound)
-{
- u32 i = 0, val;
- do {
- ++i;
- val = readl((u32)read_addr) & read_bit_mask;
- if (val == match_value)
- return 1;
- if (i == bound)
- return 0;
- } while (1);
-}
+++ /dev/null
-/*
- * (C) Copyright 2008
- * Texas Instruments
- *
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Moahmmed Khasim <khasim@ti.com>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- * Alex Zuepke <azu@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-
-static ulong timestamp;
-static ulong lastinc;
-static struct gptimer *timer_base = (struct gptimer *)CONFIG_SYS_TIMERBASE;
-
-/*
- * Nothing really to do with interrupts, just starts up a counter.
- * We run the counter with 13MHz, divided by 8, resulting in timer
- * frequency of 1.625MHz. With 32bit counter register, counter
- * overflows in ~44min
- */
-
-/* 13MHz / 8 = 1.625MHz */
-#define TIMER_CLOCK (V_SCLK / (2 << CONFIG_SYS_PTV))
-#define TIMER_LOAD_VAL 0xffffffff
-
-int timer_init(void)
-{
- /* start the counter ticking up, reload value on overflow */
- writel(TIMER_LOAD_VAL, &timer_base->tldr);
- /* enable timer */
- writel((CONFIG_SYS_PTV << 2) | TCLR_PRE | TCLR_AR | TCLR_ST,
- &timer_base->tclr);
-
- reset_timer_masked(); /* init the timestamp and lastinc value */
-
- return 0;
-}
-
-/*
- * timer without interrupts
- */
-void reset_timer(void)
-{
- reset_timer_masked();
-}
-
-ulong get_timer(ulong base)
-{
- return get_timer_masked() - base;
-}
-
-void set_timer(ulong t)
-{
- timestamp = t;
-}
-
-/* delay x useconds */
-void __udelay(unsigned long usec)
-{
- long tmo = usec * (TIMER_CLOCK / 1000) / 1000;
- unsigned long now, last = readl(&timer_base->tcrr);
-
- while (tmo > 0) {
- now = readl(&timer_base->tcrr);
- if (last > now) /* count up timer overflow */
- tmo -= TIMER_LOAD_VAL - last + now;
- else
- tmo -= now - last;
- last = now;
- }
-}
-
-void reset_timer_masked(void)
-{
- /* reset time, capture current incrementer value time */
- lastinc = readl(&timer_base->tcrr) / (TIMER_CLOCK / CONFIG_SYS_HZ);
- timestamp = 0; /* start "advancing" time stamp from 0 */
-}
-
-ulong get_timer_masked(void)
-{
- /* current tick value */
- ulong now = readl(&timer_base->tcrr) / (TIMER_CLOCK / CONFIG_SYS_HZ);
-
- if (now >= lastinc) /* normal mode (non roll) */
- /* move stamp fordward with absoulte diff ticks */
- timestamp += (now - lastinc);
- else /* we have rollover of incrementer */
- timestamp += ((TIMER_LOAD_VAL / (TIMER_CLOCK / CONFIG_SYS_HZ))
- - lastinc) + now;
- lastinc = now;
- return timestamp;
-}
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On ARM it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
- return get_timer(0);
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
-{
- return CONFIG_SYS_HZ;
-}
+++ /dev/null
-#
-# (C) Copyright 2000-2003
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2008
-# Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(SOC).a
-
-SOBJS = cache.o
-SOBJS += reset.o
-
-COBJS += clock.o
-COBJS += cpu_info.o
-COBJS += sromc.o
-COBJS += timer.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
-
-all: $(obj).depend $(LIB)
-
-$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-/*
- * Copyright (C) 2009 Samsung Electronics
- * Minkyu Kang <mk7.kang@samsung.com>
- *
- * based on arch/arm/cpu/arm_cortexa8/omap3/cache.S
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <asm/arch/cpu.h>
-
-.align 5
-.global invalidate_dcache
-.global l2_cache_enable
-.global l2_cache_disable
-
-/*
- * invalidate_dcache()
- * Invalidate the whole D-cache.
- *
- * Corrupted registers: r0-r5, r7, r9-r11
- */
-invalidate_dcache:
- stmfd r13!, {r0 - r5, r7, r9 - r12, r14}
-
- cmp r0, #0xC100 @ check if the cpu is s5pc100
-
- beq finished_inval @ s5pc100 doesn't need this
- @ routine
- mrc p15, 1, r0, c0, c0, 1 @ read clidr
- ands r3, r0, #0x7000000 @ extract loc from clidr
- mov r3, r3, lsr #23 @ left align loc bit field
- beq finished_inval @ if loc is 0, then no need to
- @ clean
- mov r10, #0 @ start clean at cache level 0
-inval_loop1:
- add r2, r10, r10, lsr #1 @ work out 3x current cache
- @ level
- mov r1, r0, lsr r2 @ extract cache type bits from
- @ clidr
- and r1, r1, #7 @ mask of the bits for current
- @ cache only
- cmp r1, #2 @ see what cache we have at
- @ this level
- blt skip_inval @ skip if no cache, or just
- @ i-cache
- mcr p15, 2, r10, c0, c0, 0 @ select current cache level
- @ in cssr
- mov r2, #0 @ operand for mcr SBZ
- mcr p15, 0, r2, c7, c5, 4 @ flush prefetch buffer to
- @ sych the new cssr&csidr,
- @ with armv7 this is 'isb',
- @ but we compile with armv5
- mrc p15, 1, r1, c0, c0, 0 @ read the new csidr
- and r2, r1, #7 @ extract the length of the
- @ cache lines
- add r2, r2, #4 @ add 4 (line length offset)
- ldr r4, =0x3ff
- ands r4, r4, r1, lsr #3 @ find maximum number on the
- @ way size
- clz r5, r4 @ find bit position of way
- @ size increment
- ldr r7, =0x7fff
- ands r7, r7, r1, lsr #13 @ extract max number of the
- @ index size
-inval_loop2:
- mov r9, r4 @ create working copy of max
- @ way size
-inval_loop3:
- orr r11, r10, r9, lsl r5 @ factor way and cache number
- @ into r11
- orr r11, r11, r7, lsl r2 @ factor index number into r11
- mcr p15, 0, r11, c7, c6, 2 @ invalidate by set/way
- subs r9, r9, #1 @ decrement the way
- bge inval_loop3
- subs r7, r7, #1 @ decrement the index
- bge inval_loop2
-skip_inval:
- add r10, r10, #2 @ increment cache number
- cmp r3, r10
- bgt inval_loop1
-finished_inval:
- mov r10, #0 @ swith back to cache level 0
- mcr p15, 2, r10, c0, c0, 0 @ select current cache level
- @ in cssr
- mcr p15, 0, r10, c7, c5, 4 @ flush prefetch buffer,
- @ with armv7 this is 'isb',
- @ but we compile with armv5
-
- ldmfd r13!, {r0 - r5, r7, r9 - r12, pc}
-
-l2_cache_enable:
- push {r0, r1, r2, lr}
- mrc 15, 0, r3, cr1, cr0, 1
- orr r3, r3, #2
- mcr 15, 0, r3, cr1, cr0, 1
- pop {r1, r2, r3, pc}
-
-l2_cache_disable:
- push {r0, r1, r2, lr}
- mrc 15, 0, r3, cr1, cr0, 1
- bic r3, r3, #2
- mcr 15, 0, r3, cr1, cr0, 1
- pop {r1, r2, r3, pc}
+++ /dev/null
-/*
- * Copyright (C) 2009 Samsung Electronics
- * Minkyu Kang <mk7.kang@samsung.com>
- * Heungjun Kim <riverful.kim@samsung.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/clk.h>
-
-#define CLK_M 0
-#define CLK_D 1
-#define CLK_P 2
-
-#ifndef CONFIG_SYS_CLK_FREQ_C100
-#define CONFIG_SYS_CLK_FREQ_C100 12000000
-#endif
-#ifndef CONFIG_SYS_CLK_FREQ_C110
-#define CONFIG_SYS_CLK_FREQ_C110 24000000
-#endif
-
-unsigned long (*get_pclk)(void);
-unsigned long (*get_arm_clk)(void);
-unsigned long (*get_pll_clk)(int);
-
-/* s5pc110: return pll clock frequency */
-static unsigned long s5pc100_get_pll_clk(int pllreg)
-{
- struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long r, m, p, s, mask, fout;
- unsigned int freq;
-
- switch (pllreg) {
- case APLL:
- r = readl(&clk->apll_con);
- break;
- case MPLL:
- r = readl(&clk->mpll_con);
- break;
- case EPLL:
- r = readl(&clk->epll_con);
- break;
- case HPLL:
- r = readl(&clk->hpll_con);
- break;
- default:
- printf("Unsupported PLL (%d)\n", pllreg);
- return 0;
- }
-
- /*
- * APLL_CON: MIDV [25:16]
- * MPLL_CON: MIDV [23:16]
- * EPLL_CON: MIDV [23:16]
- * HPLL_CON: MIDV [23:16]
- */
- if (pllreg == APLL)
- mask = 0x3ff;
- else
- mask = 0x0ff;
-
- m = (r >> 16) & mask;
-
- /* PDIV [13:8] */
- p = (r >> 8) & 0x3f;
- /* SDIV [2:0] */
- s = r & 0x7;
-
- /* FOUT = MDIV * FIN / (PDIV * 2^SDIV) */
- freq = CONFIG_SYS_CLK_FREQ_C100;
- fout = m * (freq / (p * (1 << s)));
-
- return fout;
-}
-
-/* s5pc100: return pll clock frequency */
-static unsigned long s5pc110_get_pll_clk(int pllreg)
-{
- struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long r, m, p, s, mask, fout;
- unsigned int freq;
-
- switch (pllreg) {
- case APLL:
- r = readl(&clk->apll_con);
- break;
- case MPLL:
- r = readl(&clk->mpll_con);
- break;
- case EPLL:
- r = readl(&clk->epll_con);
- break;
- case VPLL:
- r = readl(&clk->vpll_con);
- break;
- default:
- printf("Unsupported PLL (%d)\n", pllreg);
- return 0;
- }
-
- /*
- * APLL_CON: MIDV [25:16]
- * MPLL_CON: MIDV [25:16]
- * EPLL_CON: MIDV [24:16]
- * VPLL_CON: MIDV [24:16]
- */
- if (pllreg == APLL || pllreg == MPLL)
- mask = 0x3ff;
- else
- mask = 0x1ff;
-
- m = (r >> 16) & mask;
-
- /* PDIV [13:8] */
- p = (r >> 8) & 0x3f;
- /* SDIV [2:0] */
- s = r & 0x7;
-
- freq = CONFIG_SYS_CLK_FREQ_C110;
- if (pllreg == APLL) {
- if (s < 1)
- s = 1;
- /* FOUT = MDIV * FIN / (PDIV * 2^(SDIV - 1)) */
- fout = m * (freq / (p * (1 << (s - 1))));
- } else
- /* FOUT = MDIV * FIN / (PDIV * 2^SDIV) */
- fout = m * (freq / (p * (1 << s)));
-
- return fout;
-}
-
-/* s5pc110: return ARM clock frequency */
-static unsigned long s5pc110_get_arm_clk(void)
-{
- struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long div;
- unsigned long dout_apll, armclk;
- unsigned int apll_ratio;
-
- div = readl(&clk->div0);
-
- /* APLL_RATIO: [2:0] */
- apll_ratio = div & 0x7;
-
- dout_apll = get_pll_clk(APLL) / (apll_ratio + 1);
- armclk = dout_apll;
-
- return armclk;
-}
-
-/* s5pc100: return ARM clock frequency */
-static unsigned long s5pc100_get_arm_clk(void)
-{
- struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long div;
- unsigned long dout_apll, armclk;
- unsigned int apll_ratio, arm_ratio;
-
- div = readl(&clk->div0);
-
- /* ARM_RATIO: [6:4] */
- arm_ratio = (div >> 4) & 0x7;
- /* APLL_RATIO: [0] */
- apll_ratio = div & 0x1;
-
- dout_apll = get_pll_clk(APLL) / (apll_ratio + 1);
- armclk = dout_apll / (arm_ratio + 1);
-
- return armclk;
-}
-
-/* s5pc100: return HCLKD0 frequency */
-static unsigned long get_hclk(void)
-{
- struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long hclkd0;
- uint div, d0_bus_ratio;
-
- div = readl(&clk->div0);
- /* D0_BUS_RATIO: [10:8] */
- d0_bus_ratio = (div >> 8) & 0x7;
-
- hclkd0 = get_arm_clk() / (d0_bus_ratio + 1);
-
- return hclkd0;
-}
-
-/* s5pc100: return PCLKD1 frequency */
-static unsigned long get_pclkd1(void)
-{
- struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long d1_bus, pclkd1;
- uint div, d1_bus_ratio, pclkd1_ratio;
-
- div = readl(&clk->div0);
- /* D1_BUS_RATIO: [14:12] */
- d1_bus_ratio = (div >> 12) & 0x7;
- /* PCLKD1_RATIO: [18:16] */
- pclkd1_ratio = (div >> 16) & 0x7;
-
- /* ASYNC Mode */
- d1_bus = get_pll_clk(MPLL) / (d1_bus_ratio + 1);
- pclkd1 = d1_bus / (pclkd1_ratio + 1);
-
- return pclkd1;
-}
-
-/* s5pc110: return HCLKs frequency */
-static unsigned long get_hclk_sys(int dom)
-{
- struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long hclk;
- unsigned int div;
- unsigned int offset;
- unsigned int hclk_sys_ratio;
-
- if (dom == CLK_M)
- return get_hclk();
-
- div = readl(&clk->div0);
-
- /*
- * HCLK_MSYS_RATIO: [10:8]
- * HCLK_DSYS_RATIO: [19:16]
- * HCLK_PSYS_RATIO: [27:24]
- */
- offset = 8 + (dom << 0x3);
-
- hclk_sys_ratio = (div >> offset) & 0xf;
-
- hclk = get_pll_clk(MPLL) / (hclk_sys_ratio + 1);
-
- return hclk;
-}
-
-/* s5pc110: return PCLKs frequency */
-static unsigned long get_pclk_sys(int dom)
-{
- struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
- unsigned long pclk;
- unsigned int div;
- unsigned int offset;
- unsigned int pclk_sys_ratio;
-
- div = readl(&clk->div0);
-
- /*
- * PCLK_MSYS_RATIO: [14:12]
- * PCLK_DSYS_RATIO: [22:20]
- * PCLK_PSYS_RATIO: [30:28]
- */
- offset = 12 + (dom << 0x3);
-
- pclk_sys_ratio = (div >> offset) & 0x7;
-
- pclk = get_hclk_sys(dom) / (pclk_sys_ratio + 1);
-
- return pclk;
-}
-
-/* s5pc110: return peripheral clock frequency */
-static unsigned long s5pc110_get_pclk(void)
-{
- return get_pclk_sys(CLK_P);
-}
-
-/* s5pc100: return peripheral clock frequency */
-static unsigned long s5pc100_get_pclk(void)
-{
- return get_pclkd1();
-}
-
-void s5pc1xx_clock_init(void)
-{
- if (cpu_is_s5pc110()) {
- get_pll_clk = s5pc110_get_pll_clk;
- get_arm_clk = s5pc110_get_arm_clk;
- get_pclk = s5pc110_get_pclk;
- } else {
- get_pll_clk = s5pc100_get_pll_clk;
- get_arm_clk = s5pc100_get_arm_clk;
- get_pclk = s5pc100_get_pclk;
- }
-}
+++ /dev/null
-/*
- * Copyright (C) 2009 Samsung Electronics
- * Minkyu Kang <mk7.kang@samsung.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clk.h>
-
-/* Default is s5pc100 */
-unsigned int s5pc1xx_cpu_id = 0xC100;
-
-#ifdef CONFIG_ARCH_CPU_INIT
-int arch_cpu_init(void)
-{
- s5pc1xx_cpu_id = readl(S5PC1XX_PRO_ID);
- s5pc1xx_cpu_id = 0xC000 | ((s5pc1xx_cpu_id & 0x00FFF000) >> 12);
-
- s5pc1xx_clock_init();
-
- return 0;
-}
-#endif
-
-u32 get_device_type(void)
-{
- return s5pc1xx_cpu_id;
-}
-
-#ifdef CONFIG_DISPLAY_CPUINFO
-int print_cpuinfo(void)
-{
- char buf[32];
-
- printf("CPU:\tS5P%X@%sMHz\n",
- s5pc1xx_cpu_id, strmhz(buf, get_arm_clk()));
-
- return 0;
-}
-#endif
+++ /dev/null
-/*
- * Copyright (c) 2009 Samsung Electronics.
- * Minkyu Kang <mk7.kang@samsung.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <asm/arch/cpu.h>
-
-#define S5PC100_SWRESET 0xE0200000
-#define S5PC110_SWRESET 0xE0102000
-
-.globl reset_cpu
-reset_cpu:
- ldr r1, =S5PC1XX_PRO_ID
- ldr r2, [r1]
- ldr r4, =0x00010000
- and r4, r2, r4
- cmp r4, #0
- bne 110f
- /* S5PC100 */
- ldr r1, =S5PC100_SWRESET
- ldr r2, =0xC100
- b 200f
-110: /* S5PC110 */
- ldr r1, =S5PC110_SWRESET
- mov r2, #1
-200:
- str r2, [r1]
-_loop_forever:
- b _loop_forever
+++ /dev/null
-/*
- * Copyright (C) 2010 Samsung Electronics
- * Naveen Krishna Ch <ch.naveen@samsung.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/smc.h>
-
-/*
- * s5pc1xx_config_sromc() - select the proper SROMC Bank and configure the
- * band width control and bank control registers
- * srom_bank - SROM Bank 0 to 5
- * smc_bw_conf - SMC Band witdh reg configuration value
- * smc_bc_conf - SMC Bank Control reg configuration value
- */
-void s5pc1xx_config_sromc(u32 srom_bank, u32 smc_bw_conf, u32 smc_bc_conf)
-{
- u32 tmp;
- struct s5pc1xx_smc *srom;
-
- if (cpu_is_s5pc100())
- srom = (struct s5pc1xx_smc *)S5PC100_SROMC_BASE;
- else
- srom = (struct s5pc1xx_smc *)S5PC110_SROMC_BASE;
-
- /* Configure SMC_BW register to handle proper SROMC bank */
- tmp = srom->bw;
- tmp &= ~(0xF << (srom_bank * 4));
- tmp |= smc_bw_conf;
- srom->bw = tmp;
-
- /* Configure SMC_BC register */
- srom->bc[srom_bank] = smc_bc_conf;
-}
+++ /dev/null
-/*
- * Copyright (C) 2009 Samsung Electronics
- * Heungjun Kim <riverful.kim@samsung.com>
- * Inki Dae <inki.dae@samsung.com>
- * Minkyu Kang <mk7.kang@samsung.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/pwm.h>
-#include <asm/arch/clk.h>
-
-#define PRESCALER_1 (16 - 1) /* prescaler of timer 2, 3, 4 */
-#define MUX_DIV_2 1 /* 1/2 period */
-#define MUX_DIV_4 2 /* 1/4 period */
-#define MUX_DIV_8 3 /* 1/8 period */
-#define MUX_DIV_16 4 /* 1/16 period */
-#define MUX4_DIV_SHIFT 16
-
-#define TCON_TIMER4_SHIFT 20
-
-static unsigned long count_value;
-
-/* Internal tick units */
-static unsigned long long timestamp; /* Monotonic incrementing timer */
-static unsigned long lastdec; /* Last decremneter snapshot */
-
-/* macro to read the 16 bit timer */
-static inline struct s5pc1xx_timer *s5pc1xx_get_base_timer(void)
-{
- if (cpu_is_s5pc110())
- return (struct s5pc1xx_timer *)S5PC110_TIMER_BASE;
- else
- return (struct s5pc1xx_timer *)S5PC100_TIMER_BASE;
-}
-
-int timer_init(void)
-{
- struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer();
- u32 val;
-
- /*
- * @ PWM Timer 4
- * Timer Freq(HZ) =
- * PCLK / { (prescaler_value + 1) * (divider_value) }
- */
-
- /* set prescaler : 16 */
- /* set divider : 2 */
- writel((PRESCALER_1 & 0xff) << 8, &timer->tcfg0);
- writel((MUX_DIV_2 & 0xf) << MUX4_DIV_SHIFT, &timer->tcfg1);
-
- if (count_value == 0) {
- /* reset initial value */
- /* count_value = 2085937.5(HZ) (per 1 sec)*/
- count_value = get_pclk() / ((PRESCALER_1 + 1) *
- (MUX_DIV_2 + 1));
-
- /* count_value / 100 = 20859.375(HZ) (per 10 msec) */
- count_value = count_value / 100;
- }
-
- /* set count value */
- writel(count_value, &timer->tcntb4);
- lastdec = count_value;
-
- val = (readl(&timer->tcon) & ~(0x07 << TCON_TIMER4_SHIFT)) |
- S5PC1XX_TCON4_AUTO_RELOAD;
-
- /* auto reload & manual update */
- writel(val | S5PC1XX_TCON4_UPDATE, &timer->tcon);
-
- /* start PWM timer 4 */
- writel(val | S5PC1XX_TCON4_START, &timer->tcon);
-
- timestamp = 0;
-
- return 0;
-}
-
-/*
- * timer without interrupts
- */
-void reset_timer(void)
-{
- reset_timer_masked();
-}
-
-unsigned long get_timer(unsigned long base)
-{
- return get_timer_masked() - base;
-}
-
-void set_timer(unsigned long t)
-{
- timestamp = t;
-}
-
-/* delay x useconds */
-void __udelay(unsigned long usec)
-{
- unsigned long tmo, tmp;
-
- if (usec >= 1000) {
- /*
- * if "big" number, spread normalization
- * to seconds
- * 1. start to normalize for usec to ticks per sec
- * 2. find number of "ticks" to wait to achieve target
- * 3. finish normalize.
- */
- tmo = usec / 1000;
- tmo *= (CONFIG_SYS_HZ * count_value / 10);
- tmo /= 1000;
- } else {
- /* else small number, don't kill it prior to HZ multiply */
- tmo = usec * CONFIG_SYS_HZ * count_value / 10;
- tmo /= (1000 * 1000);
- }
-
- /* get current timestamp */
- tmp = get_timer(0);
-
- /* if setting this fordward will roll time stamp */
- /* reset "advancing" timestamp to 0, set lastdec value */
- /* else, set advancing stamp wake up time */
- if ((tmo + tmp + 1) < tmp)
- reset_timer_masked();
- else
- tmo += tmp;
-
- /* loop till event */
- while (get_timer_masked() < tmo)
- ; /* nop */
-}
-
-void reset_timer_masked(void)
-{
- struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer();
-
- /* reset time */
- lastdec = readl(&timer->tcnto4);
- timestamp = 0;
-}
-
-unsigned long get_timer_masked(void)
-{
- struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer();
- unsigned long now = readl(&timer->tcnto4);
-
- if (lastdec >= now)
- timestamp += lastdec - now;
- else
- timestamp += lastdec + count_value - now;
-
- lastdec = now;
-
- return timestamp;
-}
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On ARM it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
- return get_timer(0);
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-unsigned long get_tbclk(void)
-{
- return CONFIG_SYS_HZ;
-}
+++ /dev/null
-/*
- * armboot - Startup Code for OMAP3530/ARM Cortex CPU-core
- *
- * Copyright (c) 2004 Texas Instruments <r-woodruff2@ti.com>
- *
- * Copyright (c) 2001 Marius Gröger <mag@sysgo.de>
- * Copyright (c) 2002 Alex Züpke <azu@sysgo.de>
- * Copyright (c) 2002 Gary Jennejohn <garyj@denx.de>
- * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com>
- * Copyright (c) 2003 Kshitij <kshitij@ti.com>
- * Copyright (c) 2006-2008 Syed Mohammed Khasim <x0khasim@ti.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <config.h>
-#include <version.h>
-
-.globl _start
-_start: b reset
- ldr pc, _undefined_instruction
- ldr pc, _software_interrupt
- ldr pc, _prefetch_abort
- ldr pc, _data_abort
- ldr pc, _not_used
- ldr pc, _irq
- ldr pc, _fiq
-
-_undefined_instruction: .word undefined_instruction
-_software_interrupt: .word software_interrupt
-_prefetch_abort: .word prefetch_abort
-_data_abort: .word data_abort
-_not_used: .word not_used
-_irq: .word irq
-_fiq: .word fiq
-_pad: .word 0x12345678 /* now 16*4=64 */
-.global _end_vect
-_end_vect:
-
- .balignl 16,0xdeadbeef
-/*************************************************************************
- *
- * Startup Code (reset vector)
- *
- * do important init only if we don't start from memory!
- * setup Memory and board specific bits prior to relocation.
- * relocate armboot to ram
- * setup stack
- *
- *************************************************************************/
-
-_TEXT_BASE:
- .word TEXT_BASE
-
-.globl _armboot_start
-_armboot_start:
- .word _start
-
-/*
- * These are defined in the board-specific linker script.
- */
-.globl _bss_start
-_bss_start:
- .word __bss_start
-
-.globl _bss_end
-_bss_end:
- .word _end
-
-#ifdef CONFIG_USE_IRQ
-/* IRQ stack memory (calculated at run-time) */
-.globl IRQ_STACK_START
-IRQ_STACK_START:
- .word 0x0badc0de
-
-/* IRQ stack memory (calculated at run-time) */
-.globl FIQ_STACK_START
-FIQ_STACK_START:
- .word 0x0badc0de
-#endif
-
-/*
- * the actual reset code
- */
-
-reset:
- /*
- * set the cpu to SVC32 mode
- */
- mrs r0, cpsr
- bic r0, r0, #0x1f
- orr r0, r0, #0xd3
- msr cpsr,r0
-
-#if (CONFIG_OMAP34XX)
- /* Copy vectors to mask ROM indirect addr */
- adr r0, _start @ r0 <- current position of code
- add r0, r0, #4 @ skip reset vector
- mov r2, #64 @ r2 <- size to copy
- add r2, r0, r2 @ r2 <- source end address
- mov r1, #SRAM_OFFSET0 @ build vect addr
- mov r3, #SRAM_OFFSET1
- add r1, r1, r3
- mov r3, #SRAM_OFFSET2
- add r1, r1, r3
-next:
- ldmia r0!, {r3 - r10} @ copy from source address [r0]
- stmia r1!, {r3 - r10} @ copy to target address [r1]
- cmp r0, r2 @ until source end address [r2]
- bne next @ loop until equal */
-#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_ONENAND_BOOT)
- /* No need to copy/exec the clock code - DPLL adjust already done
- * in NAND/oneNAND Boot.
- */
- bl cpy_clk_code @ put dpll adjust code behind vectors
-#endif /* NAND Boot */
-#endif
- /* the mask ROM code should have PLL and others stable */
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
- bl cpu_init_crit
-#endif
-
-#ifndef CONFIG_SKIP_RELOCATE_UBOOT
-relocate: @ relocate U-Boot to RAM
- adr r0, _start @ r0 <- current position of code
- ldr r1, _TEXT_BASE @ test if we run from flash or RAM
- cmp r0, r1 @ don't reloc during debug
- beq stack_setup
-
- ldr r2, _armboot_start
- ldr r3, _bss_start
- sub r2, r3, r2 @ r2 <- size of armboot
- add r2, r0, r2 @ r2 <- source end address
-
-copy_loop: @ copy 32 bytes at a time
- ldmia r0!, {r3 - r10} @ copy from source address [r0]
- stmia r1!, {r3 - r10} @ copy to target address [r1]
- cmp r0, r2 @ until source end addreee [r2]
- ble copy_loop
-#endif /* CONFIG_SKIP_RELOCATE_UBOOT */
-
- /* Set up the stack */
-stack_setup:
- ldr r0, _TEXT_BASE @ upper 128 KiB: relocated uboot
- sub r0, r0, #CONFIG_SYS_MALLOC_LEN @ malloc area
- sub r0, r0, #CONFIG_SYS_GBL_DATA_SIZE @ bdinfo
-#ifdef CONFIG_USE_IRQ
- sub r0, r0, #(CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ)
-#endif
- sub sp, r0, #12 @ leave 3 words for abort-stack
- bic sp, sp, #7 @ 8-byte alignment for ABI compliance
-
- /* Clear BSS (if any). Is below tx (watch load addr - need space) */
-clear_bss:
- ldr r0, _bss_start @ find start of bss segment
- ldr r1, _bss_end @ stop here
- mov r2, #0x00000000 @ clear value
-clbss_l:
- str r2, [r0] @ clear BSS location
- cmp r0, r1 @ are we at the end yet
- add r0, r0, #4 @ increment clear index pointer
- bne clbss_l @ keep clearing till at end
-
- ldr pc, _start_armboot @ jump to C code
-
-_start_armboot: .word start_armboot
-
-
-/*************************************************************************
- *
- * CPU_init_critical registers
- *
- * setup important registers
- * setup memory timing
- *
- *************************************************************************/
-cpu_init_crit:
- /*
- * Invalidate L1 I/D
- */
- mov r0, #0 @ set up for MCR
- mcr p15, 0, r0, c8, c7, 0 @ invalidate TLBs
- mcr p15, 0, r0, c7, c5, 0 @ invalidate icache
-
- /*
- * disable MMU stuff and caches
- */
- mrc p15, 0, r0, c1, c0, 0
- bic r0, r0, #0x00002000 @ clear bits 13 (--V-)
- bic r0, r0, #0x00000007 @ clear bits 2:0 (-CAM)
- orr r0, r0, #0x00000002 @ set bit 1 (--A-) Align
- orr r0, r0, #0x00000800 @ set bit 12 (Z---) BTB
- mcr p15, 0, r0, c1, c0, 0
-
- /*
- * Jump to board specific initialization...
- * The Mask ROM will have already initialized
- * basic memory. Go here to bump up clock rate and handle
- * wake up conditions.
- */
- mov ip, lr @ persevere link reg across call
- bl lowlevel_init @ go setup pll,mux,memory
- mov lr, ip @ restore link
- mov pc, lr @ back to my caller
-/*
- *************************************************************************
- *
- * Interrupt handling
- *
- *************************************************************************
- */
-@
-@ IRQ stack frame.
-@
-#define S_FRAME_SIZE 72
-
-#define S_OLD_R0 68
-#define S_PSR 64
-#define S_PC 60
-#define S_LR 56
-#define S_SP 52
-
-#define S_IP 48
-#define S_FP 44
-#define S_R10 40
-#define S_R9 36
-#define S_R8 32
-#define S_R7 28
-#define S_R6 24
-#define S_R5 20
-#define S_R4 16
-#define S_R3 12
-#define S_R2 8
-#define S_R1 4
-#define S_R0 0
-
-#define MODE_SVC 0x13
-#define I_BIT 0x80
-
-/*
- * use bad_save_user_regs for abort/prefetch/undef/swi ...
- * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling
- */
-
- .macro bad_save_user_regs
- sub sp, sp, #S_FRAME_SIZE @ carve out a frame on current
- @ user stack
- stmia sp, {r0 - r12} @ Save user registers (now in
- @ svc mode) r0-r12
-
- ldr r2, _armboot_start
- sub r2, r2, #(CONFIG_SYS_MALLOC_LEN)
- sub r2, r2, #(CONFIG_SYS_GBL_DATA_SIZE + 8) @ set base 2 words into abort
- @ stack
- ldmia r2, {r2 - r3} @ get values for "aborted" pc
- @ and cpsr (into parm regs)
- add r0, sp, #S_FRAME_SIZE @ grab pointer to old stack
-
- add r5, sp, #S_SP
- mov r1, lr
- stmia r5, {r0 - r3} @ save sp_SVC, lr_SVC, pc, cpsr
- mov r0, sp @ save current stack into r0
- @ (param register)
- .endm
-
- .macro irq_save_user_regs
- sub sp, sp, #S_FRAME_SIZE
- stmia sp, {r0 - r12} @ Calling r0-r12
- add r8, sp, #S_PC @ !! R8 NEEDS to be saved !!
- @ a reserved stack spot would
- @ be good.
- stmdb r8, {sp, lr}^ @ Calling SP, LR
- str lr, [r8, #0] @ Save calling PC
- mrs r6, spsr
- str r6, [r8, #4] @ Save CPSR
- str r0, [r8, #8] @ Save OLD_R0
- mov r0, sp
- .endm
-
- .macro irq_restore_user_regs
- ldmia sp, {r0 - lr}^ @ Calling r0 - lr
- mov r0, r0
- ldr lr, [sp, #S_PC] @ Get PC
- add sp, sp, #S_FRAME_SIZE
- subs pc, lr, #4 @ return & move spsr_svc into
- @ cpsr
- .endm
-
- .macro get_bad_stack
- ldr r13, _armboot_start @ setup our mode stack (enter
- @ in banked mode)
- sub r13, r13, #(CONFIG_SYS_MALLOC_LEN) @ move past malloc pool
- sub r13, r13, #(CONFIG_SYS_GBL_DATA_SIZE + 8) @ move to reserved a couple
- @ spots for abort stack
-
- str lr, [r13] @ save caller lr in position 0
- @ of saved stack
- mrs lr, spsr @ get the spsr
- str lr, [r13, #4] @ save spsr in position 1 of
- @ saved stack
-
- mov r13, #MODE_SVC @ prepare SVC-Mode
- @ msr spsr_c, r13
- msr spsr, r13 @ switch modes, make sure
- @ moves will execute
- mov lr, pc @ capture return pc
- movs pc, lr @ jump to next instruction &
- @ switch modes.
- .endm
-
- .macro get_bad_stack_swi
- sub r13, r13, #4 @ space on current stack for
- @ scratch reg.
- str r0, [r13] @ save R0's value.
- ldr r0, _armboot_start @ get data regions start
- sub r0, r0, #(CONFIG_SYS_MALLOC_LEN) @ move past malloc pool
- sub r0, r0, #(CONFIG_SYS_GBL_DATA_SIZE + 8) @ move past gbl and a couple
- @ spots for abort stack
- str lr, [r0] @ save caller lr in position 0
- @ of saved stack
- mrs r0, spsr @ get the spsr
- str lr, [r0, #4] @ save spsr in position 1 of
- @ saved stack
- ldr r0, [r13] @ restore r0
- add r13, r13, #4 @ pop stack entry
- .endm
-
- .macro get_irq_stack @ setup IRQ stack
- ldr sp, IRQ_STACK_START
- .endm
-
- .macro get_fiq_stack @ setup FIQ stack
- ldr sp, FIQ_STACK_START
- .endm
-
-/*
- * exception handlers
- */
- .align 5
-undefined_instruction:
- get_bad_stack
- bad_save_user_regs
- bl do_undefined_instruction
-
- .align 5
-software_interrupt:
- get_bad_stack_swi
- bad_save_user_regs
- bl do_software_interrupt
-
- .align 5
-prefetch_abort:
- get_bad_stack
- bad_save_user_regs
- bl do_prefetch_abort
-
- .align 5
-data_abort:
- get_bad_stack
- bad_save_user_regs
- bl do_data_abort
-
- .align 5
-not_used:
- get_bad_stack
- bad_save_user_regs
- bl do_not_used
-
-#ifdef CONFIG_USE_IRQ
-
- .align 5
-irq:
- get_irq_stack
- irq_save_user_regs
- bl do_irq
- irq_restore_user_regs
-
- .align 5
-fiq:
- get_fiq_stack
- /* someone ought to write a more effective fiq_save_user_regs */
- irq_save_user_regs
- bl do_fiq
- irq_restore_user_regs
-
-#else
-
- .align 5
-irq:
- get_bad_stack
- bad_save_user_regs
- bl do_irq
-
- .align 5
-fiq:
- get_bad_stack
- bad_save_user_regs
- bl do_fiq
-
-#endif
+++ /dev/null
-/*
- * January 2004 - Changed to support H4 device
- * Copyright (c) 2004-2008 Texas Instruments
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
-OUTPUT_ARCH(arm)
-ENTRY(_start)
-SECTIONS
-{
- . = 0x00000000;
-
- . = ALIGN(4);
- .text :
- {
- arch/arm/cpu/arm_cortexa8/start.o (.text)
- *(.text)
- }
-
- . = ALIGN(4);
- .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
-
- . = ALIGN(4);
- .data : { *(.data) }
-
- . = ALIGN(4);
- .got : { *(.got) }
-
- __u_boot_cmd_start = .;
- .u_boot_cmd : { *(.u_boot_cmd) }
- __u_boot_cmd_end = .;
-
- . = ALIGN(4);
- __bss_start = .;
- .bss : { *(.bss) }
- _end = .;
-}
--- /dev/null
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(CPU).a
+
+START := start.o
+COBJS := cpu.o
+
+SRCS := $(START:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+START := $(addprefix $(obj),$(START))
+
+all: $(obj).depend $(START) $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
\ No newline at end of file
--- /dev/null
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
+
+# Make ARMv5 to allow more compilers to work, even though its v7a.
+PLATFORM_CPPFLAGS += -march=armv5
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,\
+ $(call cc-option,-malignment-traps,))
--- /dev/null
+/*
+ * (C) Copyright 2008 Texas Insturments
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * CPU specific code
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/system.h>
+#include <asm/cache.h>
+#ifndef CONFIG_L2_OFF
+#include <asm/arch/sys_proto.h>
+#endif
+
+static void cache_flush(void);
+
+int cleanup_before_linux(void)
+{
+ unsigned int i;
+
+ /*
+ * this function is called just before we call linux
+ * it prepares the processor for linux
+ *
+ * we turn off caches etc ...
+ */
+ disable_interrupts();
+
+ /* turn off I/D-cache */
+ icache_disable();
+ dcache_disable();
+
+ /* invalidate I-cache */
+ cache_flush();
+
+#ifndef CONFIG_L2_OFF
+ /* turn off L2 cache */
+ l2_cache_disable();
+ /* invalidate L2 cache also */
+ invalidate_dcache(get_device_type());
+#endif
+ i = 0;
+ /* mem barrier to sync up things */
+ asm("mcr p15, 0, %0, c7, c10, 4": :"r"(i));
+
+#ifndef CONFIG_L2_OFF
+ l2_cache_enable();
+#endif
+
+ return 0;
+}
+
+static void cache_flush(void)
+{
+ asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (0));
+}
--- /dev/null
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2009 Freescale Semiconductor, Inc.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).a
+
+COBJS = soc.o clock.o iomux.o timer.o speed.o
+SOBJS = lowlevel_init.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/clock.h>
+
+enum pll_clocks {
+ PLL1_CLOCK = 0,
+ PLL2_CLOCK,
+ PLL3_CLOCK,
+ PLL_CLOCKS,
+};
+
+struct mxc_pll_reg *mxc_plls[PLL_CLOCKS] = {
+ [PLL1_CLOCK] = (struct mxc_pll_reg *)PLL1_BASE_ADDR,
+ [PLL2_CLOCK] = (struct mxc_pll_reg *)PLL2_BASE_ADDR,
+ [PLL3_CLOCK] = (struct mxc_pll_reg *)PLL3_BASE_ADDR,
+};
+
+struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
+
+/*
+ * Calculate the frequency of this pll.
+ */
+static u32 decode_pll(struct mxc_pll_reg *pll, u32 infreq)
+{
+ u32 mfi, mfn, mfd, pd;
+
+ mfn = __raw_readl(&pll->mfn);
+ mfd = __raw_readl(&pll->mfd) + 1;
+ mfi = __raw_readl(&pll->op);
+ pd = (mfi & 0xF) + 1;
+ mfi = (mfi >> 4) & 0xF;
+ mfi = (mfi >= 5) ? mfi : 5;
+
+ return ((4 * (infreq / 1000) * (mfi * mfd + mfn)) / (mfd * pd)) * 1000;
+}
+
+/*
+ * Get mcu main rate
+ */
+u32 get_mcu_main_clk(void)
+{
+ u32 reg, freq;
+
+ reg = (__raw_readl(&mxc_ccm->cacrr) & MXC_CCM_CACRR_ARM_PODF_MASK) >>
+ MXC_CCM_CACRR_ARM_PODF_OFFSET;
+ freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ);
+ return freq / (reg + 1);
+}
+
+/*
+ * Get the rate of peripheral's root clock.
+ */
+static u32 get_periph_clk(void)
+{
+ u32 reg;
+
+ reg = __raw_readl(&mxc_ccm->cbcdr);
+ if (!(reg & MXC_CCM_CBCDR_PERIPH_CLK_SEL))
+ return decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_MX51_HCLK_FREQ);
+ reg = __raw_readl(&mxc_ccm->cbcmr);
+ switch ((reg & MXC_CCM_CBCMR_PERIPH_CLK_SEL_MASK) >>
+ MXC_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET) {
+ case 0:
+ return decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ);
+ case 1:
+ return decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_MX51_HCLK_FREQ);
+ default:
+ return 0;
+ }
+ /* NOTREACHED */
+}
+
+/*
+ * Get the rate of ipg clock.
+ */
+static u32 get_ipg_clk(void)
+{
+ u32 ahb_podf, ipg_podf;
+
+ ahb_podf = __raw_readl(&mxc_ccm->cbcdr);
+ ipg_podf = (ahb_podf & MXC_CCM_CBCDR_IPG_PODF_MASK) >>
+ MXC_CCM_CBCDR_IPG_PODF_OFFSET;
+ ahb_podf = (ahb_podf & MXC_CCM_CBCDR_AHB_PODF_MASK) >>
+ MXC_CCM_CBCDR_AHB_PODF_OFFSET;
+ return get_periph_clk() / ((ahb_podf + 1) * (ipg_podf + 1));
+}
+
+/*
+ * Get the rate of ipg_per clock.
+ */
+static u32 get_ipg_per_clk(void)
+{
+ u32 pred1, pred2, podf;
+
+ if (__raw_readl(&mxc_ccm->cbcmr) & MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL)
+ return get_ipg_clk();
+ /* Fixme: not handle what about lpm*/
+ podf = __raw_readl(&mxc_ccm->cbcdr);
+ pred1 = (podf & MXC_CCM_CBCDR_PERCLK_PRED1_MASK) >>
+ MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET;
+ pred2 = (podf & MXC_CCM_CBCDR_PERCLK_PRED2_MASK) >>
+ MXC_CCM_CBCDR_PERCLK_PRED2_OFFSET;
+ podf = (podf & MXC_CCM_CBCDR_PERCLK_PODF_MASK) >>
+ MXC_CCM_CBCDR_PERCLK_PODF_OFFSET;
+
+ return get_periph_clk() / ((pred1 + 1) * (pred2 + 1) * (podf + 1));
+}
+
+/*
+ * Get the rate of uart clk.
+ */
+static u32 get_uart_clk(void)
+{
+ unsigned int freq, reg, pred, podf;
+
+ reg = __raw_readl(&mxc_ccm->cscmr1);
+ switch ((reg & MXC_CCM_CSCMR1_UART_CLK_SEL_MASK) >>
+ MXC_CCM_CSCMR1_UART_CLK_SEL_OFFSET) {
+ case 0x0:
+ freq = decode_pll(mxc_plls[PLL1_CLOCK],
+ CONFIG_MX51_HCLK_FREQ);
+ break;
+ case 0x1:
+ freq = decode_pll(mxc_plls[PLL2_CLOCK],
+ CONFIG_MX51_HCLK_FREQ);
+ break;
+ case 0x2:
+ freq = decode_pll(mxc_plls[PLL3_CLOCK],
+ CONFIG_MX51_HCLK_FREQ);
+ break;
+ default:
+ return 66500000;
+ }
+
+ reg = __raw_readl(&mxc_ccm->cscdr1);
+
+ pred = (reg & MXC_CCM_CSCDR1_UART_CLK_PRED_MASK) >>
+ MXC_CCM_CSCDR1_UART_CLK_PRED_OFFSET;
+
+ podf = (reg & MXC_CCM_CSCDR1_UART_CLK_PODF_MASK) >>
+ MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET;
+ freq /= (pred + 1) * (podf + 1);
+
+ return freq;
+}
+
+/*
+ * This function returns the low power audio clock.
+ */
+u32 get_lp_apm(void)
+{
+ u32 ret_val = 0;
+ u32 ccsr = __raw_readl(&mxc_ccm->ccsr);
+
+ if (((ccsr >> 9) & 1) == 0)
+ ret_val = CONFIG_MX51_HCLK_FREQ;
+ else
+ ret_val = ((32768 * 1024));
+
+ return ret_val;
+}
+
+/*
+ * get cspi clock rate.
+ */
+u32 imx_get_cspiclk(void)
+{
+ u32 ret_val = 0, pdf, pre_pdf, clk_sel;
+ u32 cscmr1 = __raw_readl(&mxc_ccm->cscmr1);
+ u32 cscdr2 = __raw_readl(&mxc_ccm->cscdr2);
+
+ pre_pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PRED_MASK) \
+ >> MXC_CCM_CSCDR2_CSPI_CLK_PRED_OFFSET;
+ pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PODF_MASK) \
+ >> MXC_CCM_CSCDR2_CSPI_CLK_PODF_OFFSET;
+ clk_sel = (cscmr1 & MXC_CCM_CSCMR1_CSPI_CLK_SEL_MASK) \
+ >> MXC_CCM_CSCMR1_CSPI_CLK_SEL_OFFSET;
+
+ switch (clk_sel) {
+ case 0:
+ ret_val = decode_pll(mxc_plls[PLL1_CLOCK],
+ CONFIG_MX51_HCLK_FREQ) /
+ ((pre_pdf + 1) * (pdf + 1));
+ break;
+ case 1:
+ ret_val = decode_pll(mxc_plls[PLL2_CLOCK],
+ CONFIG_MX51_HCLK_FREQ) /
+ ((pre_pdf + 1) * (pdf + 1));
+ break;
+ case 2:
+ ret_val = decode_pll(mxc_plls[PLL3_CLOCK],
+ CONFIG_MX51_HCLK_FREQ) /
+ ((pre_pdf + 1) * (pdf + 1));
+ break;
+ default:
+ ret_val = get_lp_apm() / ((pre_pdf + 1) * (pdf + 1));
+ break;
+ }
+
+ return ret_val;
+}
+
+/*
+ * The API of get mxc clockes.
+ */
+unsigned int mxc_get_clock(enum mxc_clock clk)
+{
+ switch (clk) {
+ case MXC_ARM_CLK:
+ return get_mcu_main_clk();
+ case MXC_AHB_CLK:
+ break;
+ case MXC_IPG_CLK:
+ return get_ipg_clk();
+ case MXC_IPG_PERCLK:
+ return get_ipg_per_clk();
+ case MXC_UART_CLK:
+ return get_uart_clk();
+ case MXC_CSPI_CLK:
+ return imx_get_cspiclk();
+ case MXC_FEC_CLK:
+ return decode_pll(mxc_plls[PLL1_CLOCK],
+ CONFIG_MX51_HCLK_FREQ);
+ default:
+ break;
+ }
+ return -1;
+}
+
+u32 imx_get_uartclk(void)
+{
+ return get_uart_clk();
+}
+
+
+u32 imx_get_fecclk(void)
+{
+ return mxc_get_clock(MXC_IPG_CLK);
+}
+
+/*
+ * Dump some core clockes.
+ */
+int do_mx51_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ u32 freq;
+
+ freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ);
+ printf("mx51 pll1: %dMHz\n", freq / 1000000);
+ freq = decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_MX51_HCLK_FREQ);
+ printf("mx51 pll2: %dMHz\n", freq / 1000000);
+ freq = decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_MX51_HCLK_FREQ);
+ printf("mx51 pll3: %dMHz\n", freq / 1000000);
+ printf("ipg clock : %dHz\n", mxc_get_clock(MXC_IPG_CLK));
+ printf("ipg per clock : %dHz\n", mxc_get_clock(MXC_IPG_PERCLK));
+
+ return 0;
+}
+
+/***************************************************/
+
+U_BOOT_CMD(
+ clockinfo, CONFIG_SYS_MAXARGS, 1, do_mx51_showclocks,
+ "display mx51 clocks\n",
+ ""
+);
--- /dev/null
+/*
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx51_pins.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/sys_proto.h>
+
+/* IOMUX register (base) addresses */
+enum iomux_reg_addr {
+ IOMUXGPR0 = IOMUXC_BASE_ADDR,
+ IOMUXGPR1 = IOMUXC_BASE_ADDR + 0x004,
+ IOMUXSW_MUX_CTL = IOMUXC_BASE_ADDR,
+ IOMUXSW_MUX_END = IOMUXC_BASE_ADDR + MUX_I_END,
+ IOMUXSW_PAD_CTL = IOMUXC_BASE_ADDR + PAD_I_START,
+ IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR,
+};
+
+#define MUX_PIN_NUM_MAX (((MUX_I_END - MUX_I_START) >> 2) + 1)
+
+/* Get the iomux register address of this pin */
+static inline u32 get_mux_reg(iomux_pin_name_t pin)
+{
+ u32 mux_reg = PIN_TO_IOMUX_MUX(pin);
+
+ if (is_soc_rev(CHIP_REV_2_0) < 0) {
+ /*
+ * Fixup register address:
+ * i.MX51 TO1 has offset with the register
+ * which is define as TO2.
+ */
+ if ((pin == MX51_PIN_NANDF_RB5) ||
+ (pin == MX51_PIN_NANDF_RB6) ||
+ (pin == MX51_PIN_NANDF_RB7))
+ ; /* Do nothing */
+ else if (mux_reg >= 0x2FC)
+ mux_reg += 8;
+ else if (mux_reg >= 0x130)
+ mux_reg += 0xC;
+ }
+ mux_reg += IOMUXSW_MUX_CTL;
+ return mux_reg;
+}
+
+/* Get the pad register address of this pin */
+static inline u32 get_pad_reg(iomux_pin_name_t pin)
+{
+ u32 pad_reg = PIN_TO_IOMUX_PAD(pin);
+
+ if (is_soc_rev(CHIP_REV_2_0) < 0) {
+ /*
+ * Fixup register address:
+ * i.MX51 TO1 has offset with the register
+ * which is define as TO2.
+ */
+ if ((pin == MX51_PIN_NANDF_RB5) ||
+ (pin == MX51_PIN_NANDF_RB6) ||
+ (pin == MX51_PIN_NANDF_RB7))
+ ; /* Do nothing */
+ else if (pad_reg == 0x4D0 - PAD_I_START)
+ pad_reg += 0x4C;
+ else if (pad_reg == 0x860 - PAD_I_START)
+ pad_reg += 0x9C;
+ else if (pad_reg >= 0x804 - PAD_I_START)
+ pad_reg += 0xB0;
+ else if (pad_reg >= 0x7FC - PAD_I_START)
+ pad_reg += 0xB4;
+ else if (pad_reg >= 0x4E4 - PAD_I_START)
+ pad_reg += 0xCC;
+ else
+ pad_reg += 8;
+ }
+ pad_reg += IOMUXSW_PAD_CTL;
+ return pad_reg;
+}
+
+/* Get the last iomux register address */
+static inline u32 get_mux_end(void)
+{
+ if (is_soc_rev(CHIP_REV_2_0) < 0)
+ return IOMUXC_BASE_ADDR + (0x3F8 - 4);
+ else
+ return IOMUXC_BASE_ADDR + (0x3F0 - 4);
+}
+
+/*
+ * This function is used to configure a pin through the IOMUX module.
+ * @param pin a pin number as defined in iomux_pin_name_t
+ * @param cfg an output function as defined in iomux_pin_cfg_t
+ *
+ * @return 0 if successful; Non-zero otherwise
+ */
+static void iomux_config_mux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
+{
+ u32 mux_reg = get_mux_reg(pin);
+
+ if ((mux_reg > get_mux_end()) || (mux_reg < IOMUXSW_MUX_CTL))
+ return ;
+ if (cfg == IOMUX_CONFIG_GPIO)
+ writel(PIN_TO_ALT_GPIO(pin), mux_reg);
+ else
+ writel(cfg, mux_reg);
+}
+
+/*
+ * Request ownership for an IO pin. This function has to be the first one
+ * being called before that pin is used. The caller has to check the
+ * return value to make sure it returns 0.
+ *
+ * @param pin a name defined by iomux_pin_name_t
+ * @param cfg an input function as defined in iomux_pin_cfg_t
+ *
+ */
+void mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
+{
+ iomux_config_mux(pin, cfg);
+}
+
+/*
+ * Release ownership for an IO pin
+ *
+ * @param pin a name defined by iomux_pin_name_t
+ * @param cfg an input function as defined in iomux_pin_cfg_t
+ */
+void mxc_free_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
+{
+}
+
+/*
+ * This function configures the pad value for a IOMUX pin.
+ *
+ * @param pin a pin number as defined in iomux_pin_name_t
+ * @param config the ORed value of elements defined in iomux_pad_config_t
+ */
+void mxc_iomux_set_pad(iomux_pin_name_t pin, u32 config)
+{
+ u32 pad_reg = get_pad_reg(pin);
+ writel(config, pad_reg);
+}
+
+unsigned int mxc_iomux_get_pad(iomux_pin_name_t pin)
+{
+ u32 pad_reg = get_pad_reg(pin);
+ return readl(pad_reg);
+}
--- /dev/null
+/*
+ * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/asm-offsets.h>
+
+/*
+ * L2CC Cache setup/invalidation/disable
+ */
+.macro init_l2cc
+ /* explicitly disable L2 cache */
+ mrc 15, 0, r0, c1, c0, 1
+ bic r0, r0, #0x2
+ mcr 15, 0, r0, c1, c0, 1
+
+ /* reconfigure L2 cache aux control reg */
+ mov r0, #0xC0 /* tag RAM */
+ add r0, r0, #0x4 /* data RAM */
+ orr r0, r0, #(1 << 24) /* disable write allocate delay */
+ orr r0, r0, #(1 << 23) /* disable write allocate combine */
+ orr r0, r0, #(1 << 22) /* disable write allocate */
+
+ cmp r3, #0x10 /* r3 contains the silicon rev */
+
+ /* disable write combine for TO 2 and lower revs */
+ orrls r0, r0, #(1 << 25)
+
+ mcr 15, 1, r0, c9, c0, 2
+.endm /* init_l2cc */
+
+/* AIPS setup - Only setup MPROTx registers.
+ * The PACR default values are good.*/
+.macro init_aips
+ /*
+ * Set all MPROTx to be non-bufferable, trusted for R/W,
+ * not forced to user-mode.
+ */
+ ldr r0, =AIPS1_BASE_ADDR
+ ldr r1, =0x77777777
+ str r1, [r0, #0x0]
+ str r1, [r0, #0x4]
+ ldr r0, =AIPS2_BASE_ADDR
+ str r1, [r0, #0x0]
+ str r1, [r0, #0x4]
+ /*
+ * Clear the on and off peripheral modules Supervisor Protect bit
+ * for SDMA to access them. Did not change the AIPS control registers
+ * (offset 0x20) access type
+ */
+.endm /* init_aips */
+
+/* M4IF setup */
+.macro init_m4if
+ /* VPU and IPU given higher priority (0x4)
+ * IPU accesses with ID=0x1 given highest priority (=0xA)
+ */
+ ldr r0, =M4IF_BASE_ADDR
+
+ ldr r1, =0x00000203
+ str r1, [r0, #0x40]
+
+ ldr r1, =0x0
+ str r1, [r0, #0x44]
+
+ ldr r1, =0x00120125
+ str r1, [r0, #0x9C]
+
+ ldr r1, =0x001901A3
+ str r1, [r0, #0x48]
+
+.endm /* init_m4if */
+
+.macro setup_pll pll, freq
+ ldr r2, =\pll
+ ldr r1, =0x00001232
+ str r1, [r2, #PLL_DP_CTL] /* Set DPLL ON (set UPEN bit): BRMO=1 */
+ mov r1, #0x2
+ str r1, [r2, #PLL_DP_CONFIG] /* Enable auto-restart AREN bit */
+
+ str r3, [r2, #PLL_DP_OP]
+ str r3, [r2, #PLL_DP_HFS_OP]
+
+ str r4, [r2, #PLL_DP_MFD]
+ str r4, [r2, #PLL_DP_HFS_MFD]
+
+ str r5, [r2, #PLL_DP_MFN]
+ str r5, [r2, #PLL_DP_HFS_MFN]
+
+ ldr r1, =0x00001232
+ str r1, [r2, #PLL_DP_CTL]
+1: ldr r1, [r2, #PLL_DP_CTL]
+ ands r1, r1, #0x1
+ beq 1b
+.endm
+
+.macro init_clock
+ ldr r0, =CCM_BASE_ADDR
+
+ /* Gate of clocks to the peripherals first */
+ ldr r1, =0x3FFFFFFF
+ str r1, [r0, #CLKCTL_CCGR0]
+ ldr r1, =0x0
+ str r1, [r0, #CLKCTL_CCGR1]
+ str r1, [r0, #CLKCTL_CCGR2]
+ str r1, [r0, #CLKCTL_CCGR3]
+
+ ldr r1, =0x00030000
+ str r1, [r0, #CLKCTL_CCGR4]
+ ldr r1, =0x00FFF030
+ str r1, [r0, #CLKCTL_CCGR5]
+ ldr r1, =0x00000300
+ str r1, [r0, #CLKCTL_CCGR6]
+
+ /* Disable IPU and HSC dividers */
+ mov r1, #0x60000
+ str r1, [r0, #CLKCTL_CCDR]
+
+ /* Make sure to switch the DDR away from PLL 1 */
+ ldr r1, =0x19239145
+ str r1, [r0, #CLKCTL_CBCDR]
+ /* make sure divider effective */
+1: ldr r1, [r0, #CLKCTL_CDHIPR]
+ cmp r1, #0x0
+ bne 1b
+
+ /* Switch ARM to step clock */
+ mov r1, #0x4
+ str r1, [r0, #CLKCTL_CCSR]
+ mov r3, #DP_OP_800
+ mov r4, #DP_MFD_800
+ mov r5, #DP_MFN_800
+ setup_pll PLL1_BASE_ADDR
+
+ mov r3, #DP_OP_665
+ mov r4, #DP_MFD_665
+ mov r5, #DP_MFN_665
+ setup_pll PLL3_BASE_ADDR
+
+ /* Switch peripheral to PLL 3 */
+ ldr r0, =CCM_BASE_ADDR
+ ldr r1, =0x000010C0
+ orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
+ str r1, [r0, #CLKCTL_CBCMR]
+ ldr r1, =0x13239145
+ str r1, [r0, #CLKCTL_CBCDR]
+ mov r3, #DP_OP_665
+ mov r4, #DP_MFD_665
+ mov r5, #DP_MFN_665
+ setup_pll PLL2_BASE_ADDR
+
+ /* Switch peripheral to PLL2 */
+ ldr r0, =CCM_BASE_ADDR
+ ldr r1, =0x19239145
+ str r1, [r0, #CLKCTL_CBCDR]
+ ldr r1, =0x000020C0
+ orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
+ str r1, [r0, #CLKCTL_CBCMR]
+
+ mov r3, #DP_OP_216
+ mov r4, #DP_MFD_216
+ mov r5, #DP_MFN_216
+ setup_pll PLL3_BASE_ADDR
+
+
+ /* Set the platform clock dividers */
+ ldr r0, =ARM_BASE_ADDR
+ ldr r1, =0x00000725
+ str r1, [r0, #0x14]
+
+ ldr r0, =CCM_BASE_ADDR
+
+ /* Run 3.0 at Full speed, for other TO's wait till we increase VDDGP */
+ ldr r1, =0x0
+ ldr r3, [r1, #ROM_SI_REV]
+ cmp r3, #0x10
+ movls r1, #0x1
+ movhi r1, #0
+ str r1, [r0, #CLKCTL_CACRR]
+
+ /* Switch ARM back to PLL 1 */
+ mov r1, #0
+ str r1, [r0, #CLKCTL_CCSR]
+
+ /* setup the rest */
+ /* Use lp_apm (24MHz) source for perclk */
+ ldr r1, =0x000020C2
+ orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
+ str r1, [r0, #CLKCTL_CBCMR]
+ /* ddr clock from PLL 1, all perclk dividers are 1 since using 24MHz */
+ ldr r1, =CONFIG_SYS_CLKTL_CBCDR
+ str r1, [r0, #CLKCTL_CBCDR]
+
+ /* Restore the default values in the Gate registers */
+ ldr r1, =0xFFFFFFFF
+ str r1, [r0, #CLKCTL_CCGR0]
+ str r1, [r0, #CLKCTL_CCGR1]
+ str r1, [r0, #CLKCTL_CCGR2]
+ str r1, [r0, #CLKCTL_CCGR3]
+ str r1, [r0, #CLKCTL_CCGR4]
+ str r1, [r0, #CLKCTL_CCGR5]
+ str r1, [r0, #CLKCTL_CCGR6]
+
+ /* Use PLL 2 for UART's, get 66.5MHz from it */
+ ldr r1, =0xA5A2A020
+ str r1, [r0, #CLKCTL_CSCMR1]
+ ldr r1, =0x00C30321
+ str r1, [r0, #CLKCTL_CSCDR1]
+
+ /* make sure divider effective */
+1: ldr r1, [r0, #CLKCTL_CDHIPR]
+ cmp r1, #0x0
+ bne 1b
+
+ mov r1, #0x0
+ str r1, [r0, #CLKCTL_CCDR]
+
+ /* for cko - for ARM div by 8 */
+ mov r1, #0x000A0000
+ add r1, r1, #0x00000F0
+ str r1, [r0, #CLKCTL_CCOSR]
+.endm
+
+.macro setup_wdog
+ ldr r0, =WDOG1_BASE_ADDR
+ mov r1, #0x30
+ strh r1, [r0]
+.endm
+
+.section ".text.init", "x"
+
+.globl lowlevel_init
+lowlevel_init:
+ ldr r0, =GPIO1_BASE_ADDR
+ ldr r1, [r0, #0x0]
+ orr r1, r1, #(1 << 23)
+ str r1, [r0, #0x0]
+ ldr r1, [r0, #0x4]
+ orr r1, r1, #(1 << 23)
+ str r1, [r0, #0x4]
+
+#ifdef ENABLE_IMPRECISE_ABORT
+ mrs r1, spsr /* save old spsr */
+ mrs r0, cpsr /* read out the cpsr */
+ bic r0, r0, #0x100 /* clear the A bit */
+ msr spsr, r0 /* update spsr */
+ add lr, pc, #0x8 /* update lr */
+ movs pc, lr /* update cpsr */
+ nop
+ nop
+ nop
+ nop
+ msr spsr, r1 /* restore old spsr */
+#endif
+
+ init_l2cc
+
+ init_aips
+
+ init_m4if
+
+ init_clock
+
+ /* r12 saved upper lr*/
+ mov pc,lr
+
+/* Board level setting value */
+DDR_PERCHARGE_CMD: .word 0x04008008
+DDR_REFRESH_CMD: .word 0x00008010
+DDR_LMR1_W: .word 0x00338018
+DDR_LMR_CMD: .word 0xB2220000
+DDR_TIMING_W: .word 0xB02567A9
+DDR_MISC_W: .word 0x000A0104
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+#include <asm/errno.h>
+#include <asm/io.h>
+
+#ifdef CONFIG_FSL_ESDHC
+#include <fsl_esdhc.h>
+#endif
+
+u32 get_cpu_rev(void)
+{
+ int reg;
+ int system_rev;
+
+ reg = __raw_readl(ROM_SI_REV);
+ switch (reg) {
+ case 0x02:
+ system_rev = 0x51000 | CHIP_REV_1_1;
+ break;
+ case 0x10:
+ if ((__raw_readl(GPIO1_BASE_ADDR + 0x0) & (0x1 << 22)) == 0)
+ system_rev = 0x51000 | CHIP_REV_2_5;
+ else
+ system_rev = 0x51000 | CHIP_REV_2_0;
+ break;
+ case 0x20:
+ system_rev = 0x51000 | CHIP_REV_3_0;
+ break;
+ return system_rev;
+ default:
+ system_rev = 0x51000 | CHIP_REV_1_0;
+ break;
+ }
+ return system_rev;
+}
+
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
+{
+ u32 cpurev;
+
+ cpurev = get_cpu_rev();
+ printf("CPU: Freescale i.MX51 family rev%d.%d at %d MHz\n",
+ (cpurev & 0xF0) >> 4,
+ (cpurev & 0x0F) >> 4,
+ mxc_get_clock(MXC_ARM_CLK) / 1000000);
+ return 0;
+}
+#endif
+
+/*
+ * Initializes on-chip ethernet controllers.
+ * to override, implement board_eth_init()
+ */
+#if defined(CONFIG_FEC_MXC)
+extern int fecmxc_initialize(bd_t *bis);
+#endif
+
+int cpu_eth_init(bd_t *bis)
+{
+ int rc = -ENODEV;
+
+#if defined(CONFIG_FEC_MXC)
+ rc = fecmxc_initialize(bis);
+#endif
+
+ return rc;
+}
+
+/*
+ * Initializes on-chip MMC controllers.
+ * to override, implement board_mmc_init()
+ */
+int cpu_mmc_init(bd_t *bis)
+{
+#ifdef CONFIG_FSL_ESDHC
+ return fsl_esdhc_mmc_init(bis);
+#else
+ return 0;
+#endif
+}
+
+
+void reset_cpu(ulong addr)
+{
+ __raw_writew(4, WDOG1_BASE_ADDR);
+}
--- /dev/null
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+
+int get_clocks(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_FSL_ESDHC
+ gd->sdhc_clk = mxc_get_clock(MXC_IPG_PERCLK);
+#endif
+ return 0;
+}
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+
+/* General purpose timers registers */
+struct mxc_gpt {
+ unsigned int control;
+ unsigned int prescaler;
+ unsigned int status;
+ unsigned int nouse[6];
+ unsigned int counter;
+};
+
+static struct mxc_gpt *cur_gpt = (struct mxc_gpt *)GPT1_BASE_ADDR;
+
+/* General purpose timers bitfields */
+#define GPTCR_SWR (1<<15) /* Software reset */
+#define GPTCR_FRR (1<<9) /* Freerun / restart */
+#define GPTCR_CLKSOURCE_32 (4<<6) /* Clock source */
+#define GPTCR_TEN (1) /* Timer enable */
+
+static ulong timestamp;
+static ulong lastinc;
+
+int timer_init(void)
+{
+ int i;
+
+ /* setup GP Timer 1 */
+ __raw_writel(GPTCR_SWR, &cur_gpt->control);
+
+ /* We have no udelay by now */
+ for (i = 0; i < 100; i++)
+ __raw_writel(0, &cur_gpt->control);
+
+ __raw_writel(0, &cur_gpt->prescaler); /* 32Khz */
+
+ /* Freerun Mode, PERCLK1 input */
+ i = __raw_readl(&cur_gpt->control);
+ __raw_writel(i | GPTCR_CLKSOURCE_32 | GPTCR_TEN, &cur_gpt->control);
+ reset_timer_masked();
+ return 0;
+}
+
+void reset_timer(void)
+{
+ reset_timer_masked();
+}
+
+void reset_timer_masked(void)
+{
+ ulong val = __raw_readl(&cur_gpt->counter);
+ lastinc = val / (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ);
+ timestamp = 0;
+}
+
+ulong get_timer_masked(void)
+{
+ ulong val = __raw_readl(&cur_gpt->counter);
+ val /= (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ);
+ if (val >= lastinc)
+ timestamp += (val - lastinc);
+ else
+ timestamp += ((0xFFFFFFFF / (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ))
+ - lastinc) + val;
+ lastinc = val;
+ return val;
+}
+
+ulong get_timer(ulong base)
+{
+ return get_timer_masked() - base;
+}
+
+void set_timer(ulong t)
+{
+ timestamp = t;
+}
+
+/* delay x useconds AND preserve advance timestamp value */
+void __udelay(unsigned long usec)
+{
+ unsigned long now, start, tmo;
+ tmo = usec * (CONFIG_MX51_CLK32 / 1000) / 1000;
+
+ if (!tmo)
+ tmo = 1;
+
+ now = start = readl(&cur_gpt->counter);
+
+ while ((now - start) < tmo)
+ now = readl(&cur_gpt->counter);
+
+}
--- /dev/null
+/*
+ * January 2004 - Changed to support H4 device
+ * Copyright (c) 2004 Texas Instruments
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ arch/arm/cpu/armv7/start.o
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(.rodata) }
+
+ . = ALIGN(4);
+ .data : { *(.data) }
+
+ . = ALIGN(4);
+ .got : { *(.got) }
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(4);
+ __bss_start = .;
+ .bss : { *(.bss) }
+ _end = .;
+}
--- /dev/null
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).a
+
+SOBJS := lowlevel_init.o
+SOBJS += cache.o
+SOBJS += reset.o
+
+COBJS += board.o
+COBJS += clock.o
+COBJS += gpio.o
+COBJS += mem.o
+COBJS += syslib.o
+COBJS += sys_info.o
+COBJS += timer.o
+
+COBJS-$(CONFIG_EMIF4) += emif4.o
+COBJS-$(CONFIG_SDRC) += sdrc.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS) $(COBJS-y) $(SOBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+/*
+ *
+ * Common board functions for OMAP3 based boards.
+ *
+ * (C) Copyright 2004-2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Sunil Kumar <sunilsaini05@gmail.com>
+ * Shashi Ranjan <shashiranjanmca05@gmail.com>
+ *
+ * Derived from Beagle Board and 3430 SDP code by
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/mem.h>
+#include <asm/cache.h>
+
+extern omap3_sysinfo sysinfo;
+
+/******************************************************************************
+ * Routine: delay
+ * Description: spinning delay to use before udelay works
+ *****************************************************************************/
+static inline void delay(unsigned long loops)
+{
+ __asm__ volatile ("1:\n" "subs %0, %1, #1\n"
+ "bne 1b":"=r" (loops):"0"(loops));
+}
+
+/******************************************************************************
+ * Routine: secure_unlock
+ * Description: Setup security registers for access
+ * (GP Device only)
+ *****************************************************************************/
+void secure_unlock_mem(void)
+{
+ struct pm *pm_rt_ape_base = (struct pm *)PM_RT_APE_BASE_ADDR_ARM;
+ struct pm *pm_gpmc_base = (struct pm *)PM_GPMC_BASE_ADDR_ARM;
+ struct pm *pm_ocm_ram_base = (struct pm *)PM_OCM_RAM_BASE_ADDR_ARM;
+ struct pm *pm_iva2_base = (struct pm *)PM_IVA2_BASE_ADDR_ARM;
+ struct sms *sms_base = (struct sms *)OMAP34XX_SMS_BASE;
+
+ /* Protection Module Register Target APE (PM_RT) */
+ writel(UNLOCK_1, &pm_rt_ape_base->req_info_permission_1);
+ writel(UNLOCK_1, &pm_rt_ape_base->read_permission_0);
+ writel(UNLOCK_1, &pm_rt_ape_base->wirte_permission_0);
+ writel(UNLOCK_2, &pm_rt_ape_base->addr_match_1);
+
+ writel(UNLOCK_3, &pm_gpmc_base->req_info_permission_0);
+ writel(UNLOCK_3, &pm_gpmc_base->read_permission_0);
+ writel(UNLOCK_3, &pm_gpmc_base->wirte_permission_0);
+
+ writel(UNLOCK_3, &pm_ocm_ram_base->req_info_permission_0);
+ writel(UNLOCK_3, &pm_ocm_ram_base->read_permission_0);
+ writel(UNLOCK_3, &pm_ocm_ram_base->wirte_permission_0);
+ writel(UNLOCK_2, &pm_ocm_ram_base->addr_match_2);
+
+ /* IVA Changes */
+ writel(UNLOCK_3, &pm_iva2_base->req_info_permission_0);
+ writel(UNLOCK_3, &pm_iva2_base->read_permission_0);
+ writel(UNLOCK_3, &pm_iva2_base->wirte_permission_0);
+
+ /* SDRC region 0 public */
+ writel(UNLOCK_1, &sms_base->rg_att0);
+}
+
+/******************************************************************************
+ * Routine: secureworld_exit()
+ * Description: If chip is EMU and boot type is external
+ * configure secure registers and exit secure world
+ * general use.
+ *****************************************************************************/
+void secureworld_exit()
+{
+ unsigned long i;
+
+ /* configrue non-secure access control register */
+ __asm__ __volatile__("mrc p15, 0, %0, c1, c1, 2":"=r"(i));
+ /* enabling co-processor CP10 and CP11 accesses in NS world */
+ __asm__ __volatile__("orr %0, %0, #0xC00":"=r"(i));
+ /*
+ * allow allocation of locked TLBs and L2 lines in NS world
+ * allow use of PLE registers in NS world also
+ */
+ __asm__ __volatile__("orr %0, %0, #0x70000":"=r"(i));
+ __asm__ __volatile__("mcr p15, 0, %0, c1, c1, 2":"=r"(i));
+
+ /* Enable ASA in ACR register */
+ __asm__ __volatile__("mrc p15, 0, %0, c1, c0, 1":"=r"(i));
+ __asm__ __volatile__("orr %0, %0, #0x10":"=r"(i));
+ __asm__ __volatile__("mcr p15, 0, %0, c1, c0, 1":"=r"(i));
+
+ /* Exiting secure world */
+ __asm__ __volatile__("mrc p15, 0, %0, c1, c1, 0":"=r"(i));
+ __asm__ __volatile__("orr %0, %0, #0x31":"=r"(i));
+ __asm__ __volatile__("mcr p15, 0, %0, c1, c1, 0":"=r"(i));
+}
+
+/******************************************************************************
+ * Routine: setup_auxcr()
+ * Description: Write to AuxCR desired value using SMI.
+ * general use.
+ *****************************************************************************/
+void setup_auxcr()
+{
+ unsigned long i;
+ volatile unsigned int j;
+ /* Save r0, r12 and restore them after usage */
+ __asm__ __volatile__("mov %0, r12":"=r"(j));
+ __asm__ __volatile__("mov %0, r0":"=r"(i));
+
+ /*
+ * GP Device ROM code API usage here
+ * r12 = AUXCR Write function and r0 value
+ */
+ __asm__ __volatile__("mov r12, #0x3");
+ __asm__ __volatile__("mrc p15, 0, r0, c1, c0, 1");
+ /* Enabling ASA */
+ __asm__ __volatile__("orr r0, r0, #0x10");
+ /* Enable L1NEON */
+ __asm__ __volatile__("orr r0, r0, #1 << 5");
+ /* SMI instruction to call ROM Code API */
+ __asm__ __volatile__(".word 0xE1600070");
+ /* Set PLD_FWD bit in L2AUXCR (Cortex-A8 erratum 725233 workaround) */
+ __asm__ __volatile__("mov r12, #0x2");
+ __asm__ __volatile__("mrc p15, 1, r0, c9, c0, 2");
+ __asm__ __volatile__("orr r0, r0, #1 << 27");
+ /* SMI instruction to call ROM Code API */
+ __asm__ __volatile__(".word 0xE1600070");
+ __asm__ __volatile__("mov r0, %0":"=r"(i));
+ __asm__ __volatile__("mov r12, %0":"=r"(j));
+}
+
+/******************************************************************************
+ * Routine: try_unlock_sram()
+ * Description: If chip is GP/EMU(special) type, unlock the SRAM for
+ * general use.
+ *****************************************************************************/
+void try_unlock_memory()
+{
+ int mode;
+ int in_sdram = is_running_in_sdram();
+
+ /*
+ * if GP device unlock device SRAM for general use
+ * secure code breaks for Secure/Emulation device - HS/E/T
+ */
+ mode = get_device_type();
+ if (mode == GP_DEVICE)
+ secure_unlock_mem();
+
+ /*
+ * If device is EMU and boot is XIP external booting
+ * Unlock firewalls and disable L2 and put chip
+ * out of secure world
+ *
+ * Assuming memories are unlocked by the demon who put us in SDRAM
+ */
+ if ((mode <= EMU_DEVICE) && (get_boot_type() == 0x1F)
+ && (!in_sdram)) {
+ secure_unlock_mem();
+ secureworld_exit();
+ }
+
+ return;
+}
+
+/******************************************************************************
+ * Routine: s_init
+ * Description: Does early system init of muxing and clocks.
+ * - Called path is with SRAM stack.
+ *****************************************************************************/
+void s_init(void)
+{
+ int in_sdram = is_running_in_sdram();
+
+ watchdog_init();
+
+ try_unlock_memory();
+
+ /*
+ * Right now flushing at low MPU speed.
+ * Need to move after clock init
+ */
+ invalidate_dcache(get_device_type());
+#ifndef CONFIG_ICACHE_OFF
+ icache_enable();
+#endif
+
+#ifdef CONFIG_L2_OFF
+ l2_cache_disable();
+#else
+ l2_cache_enable();
+#endif
+ /*
+ * Writing to AuxCR in U-boot using SMI for GP DEV
+ * Currently SMI in Kernel on ES2 devices seems to have an issue
+ * Once that is resolved, we can postpone this config to kernel
+ */
+ if (get_device_type() == GP_DEVICE)
+ setup_auxcr();
+
+ set_muxconf_regs();
+ delay(100);
+
+ prcm_init();
+
+ per_clocks_enable();
+
+ if (!in_sdram)
+ mem_init();
+}
+
+/******************************************************************************
+ * Routine: wait_for_command_complete
+ * Description: Wait for posting to finish on watchdog
+ *****************************************************************************/
+void wait_for_command_complete(struct watchdog *wd_base)
+{
+ int pending = 1;
+ do {
+ pending = readl(&wd_base->wwps);
+ } while (pending);
+}
+
+/******************************************************************************
+ * Routine: watchdog_init
+ * Description: Shut down watch dogs
+ *****************************************************************************/
+void watchdog_init(void)
+{
+ struct watchdog *wd2_base = (struct watchdog *)WD2_BASE;
+ struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+
+ /*
+ * There are 3 watch dogs WD1=Secure, WD2=MPU, WD3=IVA. WD1 is
+ * either taken care of by ROM (HS/EMU) or not accessible (GP).
+ * We need to take care of WD2-MPU or take a PRCM reset. WD3
+ * should not be running and does not generate a PRCM reset.
+ */
+
+ sr32(&prcm_base->fclken_wkup, 5, 1, 1);
+ sr32(&prcm_base->iclken_wkup, 5, 1, 1);
+ wait_on_value(ST_WDT2, 0x20, &prcm_base->idlest_wkup, 5);
+
+ writel(WD_UNLOCK1, &wd2_base->wspr);
+ wait_for_command_complete(wd2_base);
+ writel(WD_UNLOCK2, &wd2_base->wspr);
+}
+
+/******************************************************************************
+ * Dummy function to handle errors for EABI incompatibility
+ *****************************************************************************/
+void abort(void)
+{
+}
+
+#ifdef CONFIG_NAND_OMAP_GPMC
+/******************************************************************************
+ * OMAP3 specific command to switch between NAND HW and SW ecc
+ *****************************************************************************/
+static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+{
+ if (argc != 2)
+ goto usage;
+ if (strncmp(argv[1], "hw", 2) == 0)
+ omap_nand_switch_ecc(1);
+ else if (strncmp(argv[1], "sw", 2) == 0)
+ omap_nand_switch_ecc(0);
+ else
+ goto usage;
+
+ return 0;
+
+usage:
+ printf ("Usage: nandecc %s\n", cmdtp->usage);
+ return 1;
+}
+
+U_BOOT_CMD(
+ nandecc, 2, 1, do_switch_ecc,
+ "switch OMAP3 NAND ECC calculation algorithm",
+ "[hw/sw] - Switch between NAND hardware (hw) or software (sw) ecc algorithm"
+);
+
+#endif /* CONFIG_NAND_OMAP_GPMC */
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+/**
+ * Print board information
+ */
+int checkboard (void)
+{
+ char *mem_s ;
+
+ if (is_mem_sdr())
+ mem_s = "mSDR";
+ else
+ mem_s = "LPDDR";
+
+ printf("%s + %s/%s\n", sysinfo.board_string, mem_s,
+ sysinfo.nand_string);
+
+ return 0;
+}
+#endif /* CONFIG_DISPLAY_BOARDINFO */
--- /dev/null
+/*
+ * Copyright (c) 2009 Wind River Systems, Inc.
+ * Tom Rix <Tom.Rix@windriver.com>
+ *
+ * This file is based on and replaces the existing cache.c file
+ * The copyrights for the cache.c file are:
+ *
+ * (C) Copyright 2008 Texas Insturments
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/arch/omap3.h>
+
+/*
+ * omap3 cache code
+ */
+
+.align 5
+.global invalidate_dcache
+.global l2_cache_enable
+.global l2_cache_disable
+
+/*
+ * invalidate_dcache()
+ *
+ * Invalidate the whole D-cache.
+ *
+ * Corrupted registers: r0-r5, r7, r9-r11
+ *
+ * - mm - mm_struct describing address space
+ */
+invalidate_dcache:
+ stmfd r13!, {r0 - r5, r7, r9 - r12, r14}
+
+ mov r7, r0 @ take a backup of device type
+ cmp r0, #0x3 @ check if the device type is
+ @ GP
+ moveq r12, #0x1 @ set up to invalide L2
+smi: .word 0x01600070 @ Call SMI monitor (smieq)
+ cmp r7, #0x3 @ compare again in case its
+ @ lost
+ beq finished_inval @ if GP device, inval done
+ @ above
+
+ mrc p15, 1, r0, c0, c0, 1 @ read clidr
+ ands r3, r0, #0x7000000 @ extract loc from clidr
+ mov r3, r3, lsr #23 @ left align loc bit field
+ beq finished_inval @ if loc is 0, then no need to
+ @ clean
+ mov r10, #0 @ start clean at cache level 0
+inval_loop1:
+ add r2, r10, r10, lsr #1 @ work out 3x current cache
+ @ level
+ mov r1, r0, lsr r2 @ extract cache type bits from
+ @ clidr
+ and r1, r1, #7 @ mask of the bits for current
+ @ cache only
+ cmp r1, #2 @ see what cache we have at
+ @ this level
+ blt skip_inval @ skip if no cache, or just
+ @ i-cache
+ mcr p15, 2, r10, c0, c0, 0 @ select current cache level
+ @ in cssr
+ mov r2, #0 @ operand for mcr SBZ
+ mcr p15, 0, r2, c7, c5, 4 @ flush prefetch buffer to
+ @ sych the new cssr&csidr,
+ @ with armv7 this is 'isb',
+ @ but we compile with armv5
+ mrc p15, 1, r1, c0, c0, 0 @ read the new csidr
+ and r2, r1, #7 @ extract the length of the
+ @ cache lines
+ add r2, r2, #4 @ add 4 (line length offset)
+ ldr r4, =0x3ff
+ ands r4, r4, r1, lsr #3 @ find maximum number on the
+ @ way size
+ clz r5, r4 @ find bit position of way
+ @ size increment
+ ldr r7, =0x7fff
+ ands r7, r7, r1, lsr #13 @ extract max number of the
+ @ index size
+inval_loop2:
+ mov r9, r4 @ create working copy of max
+ @ way size
+inval_loop3:
+ orr r11, r10, r9, lsl r5 @ factor way and cache number
+ @ into r11
+ orr r11, r11, r7, lsl r2 @ factor index number into r11
+ mcr p15, 0, r11, c7, c6, 2 @ invalidate by set/way
+ subs r9, r9, #1 @ decrement the way
+ bge inval_loop3
+ subs r7, r7, #1 @ decrement the index
+ bge inval_loop2
+skip_inval:
+ add r10, r10, #2 @ increment cache number
+ cmp r3, r10
+ bgt inval_loop1
+finished_inval:
+ mov r10, #0 @ swith back to cache level 0
+ mcr p15, 2, r10, c0, c0, 0 @ select current cache level
+ @ in cssr
+ mcr p15, 0, r10, c7, c5, 4 @ flush prefetch buffer,
+ @ with armv7 this is 'isb',
+ @ but we compile with armv5
+
+ ldmfd r13!, {r0 - r5, r7, r9 - r12, pc}
+
+
+l2_cache_enable:
+ stmfd r13!, {r0, r1, r2, lr}
+ @ ES2 onwards we can disable/enable L2 ourselves
+ bl get_cpu_rev
+ cmp r0, #CPU_3XX_ES20
+ blt l2_cache_disable_EARLIER_THAN_ES2
+ mrc 15, 0, r3, cr1, cr0, 1
+ orr r3, r3, #2
+ mcr 15, 0, r3, cr1, cr0, 1
+ b l2_cache_enable_END
+l2_cache_enable_EARLIER_THAN_ES2:
+ @ Save r0, r12 and restore them after usage
+ mov r3, ip
+ str r3, [sp, #4]
+ mov r3, r0
+ @
+ @ GP Device ROM code API usage here
+ @ r12 = AUXCR Write function and r0 value
+ @
+ mov ip, #3
+ mrc 15, 0, r0, cr1, cr0, 1
+ orr r0, r0, #2
+ @ SMI instruction to call ROM Code API
+ .word 0xe1600070
+ mov r0, r3
+ mov ip, r3
+ str r3, [sp, #4]
+l2_cache_enable_END:
+ ldmfd r13!, {r1, r2, r3, pc}
+
+
+l2_cache_disable:
+ stmfd r13!, {r0, r1, r2, lr}
+ @ ES2 onwards we can disable/enable L2 ourselves
+ bl get_cpu_rev
+ cmp r0, #CPU_3XX_ES20
+ blt l2_cache_disable_EARLIER_THAN_ES2
+ mrc 15, 0, r3, cr1, cr0, 1
+ bic r3, r3, #2
+ mcr 15, 0, r3, cr1, cr0, 1
+ b l2_cache_disable_END
+l2_cache_disable_EARLIER_THAN_ES2:
+ @ Save r0, r12 and restore them after usage
+ mov r3, ip
+ str r3, [sp, #4]
+ mov r3, r0
+ @
+ @ GP Device ROM code API usage here
+ @ r12 = AUXCR Write function and r0 value
+ @
+ mov ip, #3
+ mrc 15, 0, r0, cr1, cr0, 1
+ bic r0, r0, #2
+ @ SMI instruction to call ROM Code API
+ .word 0xe1600070
+ mov r0, r3
+ mov ip, r3
+ str r3, [sp, #4]
+l2_cache_disable_END:
+ ldmfd r13!, {r1, r2, r3, pc}
--- /dev/null
+/*
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Manikandan Pillai <mani.pillai@ti.com>
+ *
+ * Derived from Beagle Board and OMAP3 SDP code by
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clocks.h>
+#include <asm/arch/clocks_omap3.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+#include <environment.h>
+#include <command.h>
+
+/******************************************************************************
+ * get_sys_clk_speed() - determine reference oscillator speed
+ * based on known 32kHz clock and gptimer.
+ *****************************************************************************/
+u32 get_osc_clk_speed(void)
+{
+ u32 start, cstart, cend, cdiff, cdiv, val;
+ struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+ struct prm *prm_base = (struct prm *)PRM_BASE;
+ struct gptimer *gpt1_base = (struct gptimer *)OMAP34XX_GPT1;
+ struct s32ktimer *s32k_base = (struct s32ktimer *)SYNC_32KTIMER_BASE;
+
+ val = readl(&prm_base->clksrc_ctrl);
+
+ if (val & SYSCLKDIV_2)
+ cdiv = 2;
+ else if (val & SYSCLKDIV_1)
+ cdiv = 1;
+ else
+ /*
+ * Should never reach here! (Assume divider as 1)
+ */
+ cdiv = 1;
+
+ /* enable timer2 */
+ val = readl(&prcm_base->clksel_wkup) | CLKSEL_GPT1;
+
+ /* select sys_clk for GPT1 */
+ writel(val, &prcm_base->clksel_wkup);
+
+ /* Enable I and F Clocks for GPT1 */
+ val = readl(&prcm_base->iclken_wkup) | EN_GPT1 | EN_32KSYNC;
+ writel(val, &prcm_base->iclken_wkup);
+
+ val = readl(&prcm_base->fclken_wkup) | EN_GPT1;
+ writel(val, &prcm_base->fclken_wkup);
+
+ writel(0, &gpt1_base->tldr); /* start counting at 0 */
+ writel(GPT_EN, &gpt1_base->tclr); /* enable clock */
+
+ /* enable 32kHz source, determine sys_clk via gauging */
+
+ /* start time in 20 cycles */
+ start = 20 + readl(&s32k_base->s32k_cr);
+
+ /* dead loop till start time */
+ while (readl(&s32k_base->s32k_cr) < start);
+
+ /* get start sys_clk count */
+ cstart = readl(&gpt1_base->tcrr);
+
+ /* wait for 40 cycles */
+ while (readl(&s32k_base->s32k_cr) < (start + 20)) ;
+ cend = readl(&gpt1_base->tcrr); /* get end sys_clk count */
+ cdiff = cend - cstart; /* get elapsed ticks */
+
+ if (cdiv == 2)
+ {
+ cdiff *= 2;
+ }
+
+ /* based on number of ticks assign speed */
+ if (cdiff > 19000)
+ return S38_4M;
+ else if (cdiff > 15200)
+ return S26M;
+ else if (cdiff > 13000)
+ return S24M;
+ else if (cdiff > 9000)
+ return S19_2M;
+ else if (cdiff > 7600)
+ return S13M;
+ else
+ return S12M;
+}
+
+/******************************************************************************
+ * get_sys_clkin_sel() - returns the sys_clkin_sel field value based on
+ * input oscillator clock frequency.
+ *****************************************************************************/
+void get_sys_clkin_sel(u32 osc_clk, u32 *sys_clkin_sel)
+{
+ switch(osc_clk) {
+ case S38_4M:
+ *sys_clkin_sel = 4;
+ break;
+ case S26M:
+ *sys_clkin_sel = 3;
+ break;
+ case S19_2M:
+ *sys_clkin_sel = 2;
+ break;
+ case S13M:
+ *sys_clkin_sel = 1;
+ break;
+ case S12M:
+ default:
+ *sys_clkin_sel = 0;
+ }
+}
+
+/******************************************************************************
+ * prcm_init() - inits clocks for PRCM as defined in clocks.h
+ * called from SRAM, or Flash (using temp SRAM stack).
+ *****************************************************************************/
+void prcm_init(void)
+{
+ void (*f_lock_pll) (u32, u32, u32, u32);
+ int xip_safe, p0, p1, p2, p3;
+ u32 osc_clk = 0, sys_clkin_sel;
+ u32 clk_index, sil_index = 0;
+ struct prm *prm_base = (struct prm *)PRM_BASE;
+ struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+ dpll_param *dpll_param_p;
+
+ f_lock_pll = (void *) ((u32) &_end_vect - (u32) &_start +
+ SRAM_VECT_CODE);
+
+ xip_safe = is_running_in_sram();
+
+ /*
+ * Gauge the input clock speed and find out the sys_clkin_sel
+ * value corresponding to the input clock.
+ */
+ osc_clk = get_osc_clk_speed();
+ get_sys_clkin_sel(osc_clk, &sys_clkin_sel);
+
+ /* set input crystal speed */
+ sr32(&prm_base->clksel, 0, 3, sys_clkin_sel);
+
+ /* If the input clock is greater than 19.2M always divide/2 */
+ if (sys_clkin_sel > 2) {
+ /* input clock divider */
+ sr32(&prm_base->clksrc_ctrl, 6, 2, 2);
+ clk_index = sys_clkin_sel / 2;
+ } else {
+ /* input clock divider */
+ sr32(&prm_base->clksrc_ctrl, 6, 2, 1);
+ clk_index = sys_clkin_sel;
+ }
+
+ /*
+ * The DPLL tables are defined according to sysclk value and
+ * silicon revision. The clk_index value will be used to get
+ * the values for that input sysclk from the DPLL param table
+ * and sil_index will get the values for that SysClk for the
+ * appropriate silicon rev.
+ */
+ if (get_cpu_rev())
+ sil_index = 1;
+
+ /* Unlock MPU DPLL (slows things down, and needed later) */
+ sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOW_POWER_BYPASS);
+ wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu, LDELAY);
+
+ /* Getting the base address of Core DPLL param table */
+ dpll_param_p = (dpll_param *) get_core_dpll_param();
+
+ /* Moving it to the right sysclk and ES rev base */
+ dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
+ if (xip_safe) {
+ /*
+ * CORE DPLL
+ * sr32(CM_CLKSEL2_EMU) set override to work when asleep
+ */
+ sr32(&prcm_base->clken_pll, 0, 3, PLL_FAST_RELOCK_BYPASS);
+ wait_on_value(ST_CORE_CLK, 0, &prcm_base->idlest_ckgen,
+ LDELAY);
+
+ /*
+ * For OMAP3 ES1.0 Errata 1.50, default value directly doesn't
+ * work. write another value and then default value.
+ */
+
+ /* m3x2 */
+ sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2 + 1);
+ /* m3x2 */
+ sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2);
+ /* Set M2 */
+ sr32(&prcm_base->clksel1_pll, 27, 2, dpll_param_p->m2);
+ /* Set M */
+ sr32(&prcm_base->clksel1_pll, 16, 11, dpll_param_p->m);
+ /* Set N */
+ sr32(&prcm_base->clksel1_pll, 8, 7, dpll_param_p->n);
+ /* 96M Src */
+ sr32(&prcm_base->clksel1_pll, 6, 1, 0);
+ /* ssi */
+ sr32(&prcm_base->clksel_core, 8, 4, CORE_SSI_DIV);
+ /* fsusb */
+ sr32(&prcm_base->clksel_core, 4, 2, CORE_FUSB_DIV);
+ /* l4 */
+ sr32(&prcm_base->clksel_core, 2, 2, CORE_L4_DIV);
+ /* l3 */
+ sr32(&prcm_base->clksel_core, 0, 2, CORE_L3_DIV);
+ /* gfx */
+ sr32(&prcm_base->clksel_gfx, 0, 3, GFX_DIV);
+ /* reset mgr */
+ sr32(&prcm_base->clksel_wkup, 1, 2, WKUP_RSM);
+ /* FREQSEL */
+ sr32(&prcm_base->clken_pll, 4, 4, dpll_param_p->fsel);
+ /* lock mode */
+ sr32(&prcm_base->clken_pll, 0, 3, PLL_LOCK);
+
+ wait_on_value(ST_CORE_CLK, 1, &prcm_base->idlest_ckgen,
+ LDELAY);
+ } else if (is_running_in_flash()) {
+ /*
+ * if running from flash, jump to small relocated code
+ * area in SRAM.
+ */
+ p0 = readl(&prcm_base->clken_pll);
+ sr32(&p0, 0, 3, PLL_FAST_RELOCK_BYPASS);
+ sr32(&p0, 4, 4, dpll_param_p->fsel); /* FREQSEL */
+
+ p1 = readl(&prcm_base->clksel1_pll);
+ sr32(&p1, 27, 2, dpll_param_p->m2); /* Set M2 */
+ sr32(&p1, 16, 11, dpll_param_p->m); /* Set M */
+ sr32(&p1, 8, 7, dpll_param_p->n); /* Set N */
+ sr32(&p1, 6, 1, 0); /* set source for 96M */
+
+ p2 = readl(&prcm_base->clksel_core);
+ sr32(&p2, 8, 4, CORE_SSI_DIV); /* ssi */
+ sr32(&p2, 4, 2, CORE_FUSB_DIV); /* fsusb */
+ sr32(&p2, 2, 2, CORE_L4_DIV); /* l4 */
+ sr32(&p2, 0, 2, CORE_L3_DIV); /* l3 */
+
+ p3 = (u32)&prcm_base->idlest_ckgen;
+
+ (*f_lock_pll) (p0, p1, p2, p3);
+ }
+
+ /* PER DPLL */
+ sr32(&prcm_base->clken_pll, 16, 3, PLL_STOP);
+ wait_on_value(ST_PERIPH_CLK, 0, &prcm_base->idlest_ckgen, LDELAY);
+
+ /* Getting the base address to PER DPLL param table */
+
+ /* Set N */
+ dpll_param_p = (dpll_param *) get_per_dpll_param();
+
+ /* Moving it to the right sysclk base */
+ dpll_param_p = dpll_param_p + clk_index;
+
+ /*
+ * Errata 1.50 Workaround for OMAP3 ES1.0 only
+ * If using default divisors, write default divisor + 1
+ * and then the actual divisor value
+ */
+ sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2 + 1); /* set M6 */
+ sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2); /* set M6 */
+ sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2 + 1); /* set M5 */
+ sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2); /* set M5 */
+ sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2 + 1); /* set M4 */
+ sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2); /* set M4 */
+ sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2 + 1); /* set M3 */
+ sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2); /* set M3 */
+ sr32(&prcm_base->clksel3_pll, 0, 5, dpll_param_p->m2 + 1); /* set M2 */
+ sr32(&prcm_base->clksel3_pll, 0, 5, dpll_param_p->m2); /* set M2 */
+ /* Workaround end */
+
+ sr32(&prcm_base->clksel2_pll, 8, 11, dpll_param_p->m); /* set m */
+ sr32(&prcm_base->clksel2_pll, 0, 7, dpll_param_p->n); /* set n */
+ sr32(&prcm_base->clken_pll, 20, 4, dpll_param_p->fsel); /* FREQSEL */
+ sr32(&prcm_base->clken_pll, 16, 3, PLL_LOCK); /* lock mode */
+ wait_on_value(ST_PERIPH_CLK, 2, &prcm_base->idlest_ckgen, LDELAY);
+
+ /* Getting the base address to MPU DPLL param table */
+ dpll_param_p = (dpll_param *) get_mpu_dpll_param();
+
+ /* Moving it to the right sysclk and ES rev base */
+ dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
+
+ /* MPU DPLL (unlocked already) */
+
+ /* Set M2 */
+ sr32(&prcm_base->clksel2_pll_mpu, 0, 5, dpll_param_p->m2);
+ /* Set M */
+ sr32(&prcm_base->clksel1_pll_mpu, 8, 11, dpll_param_p->m);
+ /* Set N */
+ sr32(&prcm_base->clksel1_pll_mpu, 0, 7, dpll_param_p->n);
+ /* FREQSEL */
+ sr32(&prcm_base->clken_pll_mpu, 4, 4, dpll_param_p->fsel);
+ /* lock mode */
+ sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOCK);
+ wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu, LDELAY);
+
+ /* Getting the base address to IVA DPLL param table */
+ dpll_param_p = (dpll_param *) get_iva_dpll_param();
+
+ /* Moving it to the right sysclk and ES rev base */
+ dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
+
+ /* IVA DPLL (set to 12*20=240MHz) */
+ sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_STOP);
+ wait_on_value(ST_IVA2_CLK, 0, &prcm_base->idlest_pll_iva2, LDELAY);
+ /* set M2 */
+ sr32(&prcm_base->clksel2_pll_iva2, 0, 5, dpll_param_p->m2);
+ /* set M */
+ sr32(&prcm_base->clksel1_pll_iva2, 8, 11, dpll_param_p->m);
+ /* set N */
+ sr32(&prcm_base->clksel1_pll_iva2, 0, 7, dpll_param_p->n);
+ /* FREQSEL */
+ sr32(&prcm_base->clken_pll_iva2, 4, 4, dpll_param_p->fsel);
+ /* lock mode */
+ sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_LOCK);
+ wait_on_value(ST_IVA2_CLK, 1, &prcm_base->idlest_pll_iva2, LDELAY);
+
+ /* Set up GPTimers to sys_clk source only */
+ sr32(&prcm_base->clksel_per, 0, 8, 0xff);
+ sr32(&prcm_base->clksel_wkup, 0, 1, 1);
+
+ sdelay(5000);
+}
+
+/******************************************************************************
+ * peripheral_enable() - Enable the clks & power for perifs (GPT2, UART1,...)
+ *****************************************************************************/
+void per_clocks_enable(void)
+{
+ struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+
+ /* Enable GP2 timer. */
+ sr32(&prcm_base->clksel_per, 0, 1, 0x1); /* GPT2 = sys clk */
+ sr32(&prcm_base->iclken_per, 3, 1, 0x1); /* ICKen GPT2 */
+ sr32(&prcm_base->fclken_per, 3, 1, 0x1); /* FCKen GPT2 */
+
+#ifdef CONFIG_SYS_NS16550
+ /* Enable UART1 clocks */
+ sr32(&prcm_base->fclken1_core, 13, 1, 0x1);
+ sr32(&prcm_base->iclken1_core, 13, 1, 0x1);
+
+ /* UART 3 Clocks */
+ sr32(&prcm_base->fclken_per, 11, 1, 0x1);
+ sr32(&prcm_base->iclken_per, 11, 1, 0x1);
+#endif
+
+#ifdef CONFIG_OMAP3_GPIO_2
+ sr32(&prcm_base->fclken_per, 13, 1, 1);
+ sr32(&prcm_base->iclken_per, 13, 1, 1);
+#endif
+#ifdef CONFIG_OMAP3_GPIO_3
+ sr32(&prcm_base->fclken_per, 14, 1, 1);
+ sr32(&prcm_base->iclken_per, 14, 1, 1);
+#endif
+#ifdef CONFIG_OMAP3_GPIO_4
+ sr32(&prcm_base->fclken_per, 15, 1, 1);
+ sr32(&prcm_base->iclken_per, 15, 1, 1);
+#endif
+#ifdef CONFIG_OMAP3_GPIO_5
+ sr32(&prcm_base->fclken_per, 16, 1, 1);
+ sr32(&prcm_base->iclken_per, 16, 1, 1);
+#endif
+#ifdef CONFIG_OMAP3_GPIO_6
+ sr32(&prcm_base->fclken_per, 17, 1, 1);
+ sr32(&prcm_base->iclken_per, 17, 1, 1);
+#endif
+
+#ifdef CONFIG_DRIVER_OMAP34XX_I2C
+ /* Turn on all 3 I2C clocks */
+ sr32(&prcm_base->fclken1_core, 15, 3, 0x7);
+ sr32(&prcm_base->iclken1_core, 15, 3, 0x7); /* I2C1,2,3 = on */
+#endif
+ /* Enable the ICLK for 32K Sync Timer as its used in udelay */
+ sr32(&prcm_base->iclken_wkup, 2, 1, 0x1);
+
+ sr32(&prcm_base->fclken_iva2, 0, 32, FCK_IVA2_ON);
+ sr32(&prcm_base->fclken1_core, 0, 32, FCK_CORE1_ON);
+ sr32(&prcm_base->iclken1_core, 0, 32, ICK_CORE1_ON);
+ sr32(&prcm_base->iclken2_core, 0, 32, ICK_CORE2_ON);
+ sr32(&prcm_base->fclken_wkup, 0, 32, FCK_WKUP_ON);
+ sr32(&prcm_base->iclken_wkup, 0, 32, ICK_WKUP_ON);
+ sr32(&prcm_base->fclken_dss, 0, 32, FCK_DSS_ON);
+ sr32(&prcm_base->iclken_dss, 0, 32, ICK_DSS_ON);
+ sr32(&prcm_base->fclken_cam, 0, 32, FCK_CAM_ON);
+ sr32(&prcm_base->iclken_cam, 0, 32, ICK_CAM_ON);
+ sr32(&prcm_base->fclken_per, 0, 32, FCK_PER_ON);
+ sr32(&prcm_base->iclken_per, 0, 32, ICK_PER_ON);
+
+ sdelay(1000);
+}
--- /dev/null
+/*
+ * Author :
+ * Vaibhav Hiremath <hvaibhav@ti.com>
+ *
+ * Based on mem.c and sdrc.c
+ *
+ * Copyright (C) 2010
+ * Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/emif4.h>
+
+extern omap3_sysinfo sysinfo;
+
+static emif4_t *emif4_base = (emif4_t *)OMAP34XX_SDRC_BASE;
+
+/*
+ * is_mem_sdr -
+ * - Return 1 if mem type in use is SDR
+ */
+u32 is_mem_sdr(void)
+{
+ return 0;
+}
+
+/*
+ * get_sdr_cs_size -
+ * - Get size of chip select 0/1
+ */
+u32 get_sdr_cs_size(u32 cs)
+{
+ u32 size;
+
+ /* TODO: Calculate the size based on EMIF4 configuration */
+ size = CONFIG_SYS_CS0_SIZE;
+
+ return size;
+}
+
+/*
+ * get_sdr_cs_offset -
+ * - Get offset of cs from cs0 start
+ */
+u32 get_sdr_cs_offset(u32 cs)
+{
+ u32 offset = 0;
+
+ return offset;
+}
+
+/*
+ * do_emif4_init -
+ * - Init the emif4 module for DDR access
+ * - Early init routines, called from flash or SRAM.
+ */
+void do_emif4_init(void)
+{
+ unsigned int regval;
+ /* Set the DDR PHY parameters in PHY ctrl registers */
+ regval = (EMIF4_DDR1_READ_LAT | EMIF4_DDR1_PWRDN_DIS |
+ EMIF4_DDR1_EXT_STRB_DIS);
+ writel(regval, &emif4_base->ddr_phyctrl1);
+ writel(regval, &emif4_base->ddr_phyctrl1_shdw);
+ writel(0, &emif4_base->ddr_phyctrl2);
+
+ /* Reset the DDR PHY and wait till completed */
+ regval = readl(&emif4_base->sdram_iodft_tlgc);
+ regval |= (1<<10);
+ writel(regval, &emif4_base->sdram_iodft_tlgc);
+ /*Wait till that bit clears*/
+ while ((readl(&emif4_base->sdram_iodft_tlgc) & (1<<10)) == 0x1);
+ /*Re-verify the DDR PHY status*/
+ while ((readl(&emif4_base->sdram_sts) & (1<<2)) == 0x0);
+
+ regval |= (1<<0);
+ writel(regval, &emif4_base->sdram_iodft_tlgc);
+ /* Set SDR timing registers */
+ regval = (EMIF4_TIM1_T_WTR | EMIF4_TIM1_T_RRD |
+ EMIF4_TIM1_T_RC | EMIF4_TIM1_T_RAS |
+ EMIF4_TIM1_T_WR | EMIF4_TIM1_T_RCD |
+ EMIF4_TIM1_T_RP);
+ writel(regval, &emif4_base->sdram_time1);
+ writel(regval, &emif4_base->sdram_time1_shdw);
+
+ regval = (EMIF4_TIM2_T_CKE | EMIF4_TIM2_T_RTP |
+ EMIF4_TIM2_T_XSRD | EMIF4_TIM2_T_XSNR |
+ EMIF4_TIM2_T_ODT | EMIF4_TIM2_T_XP);
+ writel(regval, &emif4_base->sdram_time2);
+ writel(regval, &emif4_base->sdram_time2_shdw);
+
+ regval = (EMIF4_TIM3_T_RAS_MAX | EMIF4_TIM3_T_RFC);
+ writel(regval, &emif4_base->sdram_time3);
+ writel(regval, &emif4_base->sdram_time3_shdw);
+
+ /* Set the PWR control register */
+ regval = (EMIF4_PWR_PM_TIM | EMIF4_PWR_LP_MODE |
+ EMIF4_PWR_DPD_DIS | EMIF4_PWR_IDLE_MODE);
+ writel(regval, &emif4_base->sdram_pwr_mgmt);
+ writel(regval, &emif4_base->sdram_pwr_mgmt_shdw);
+
+ /* Set the DDR refresh rate control register */
+ regval = (EMIF4_REFRESH_RATE | EMIF4_INITREF_DIS);
+ writel(regval, &emif4_base->sdram_refresh_ctrl);
+ writel(regval, &emif4_base->sdram_refresh_ctrl_shdw);
+
+ /* set the SDRAM configuration register */
+ regval = (EMIF4_CFG_PGSIZE | EMIF4_CFG_EBANK |
+ EMIF4_CFG_IBANK | EMIF4_CFG_ROWSIZE |
+ EMIF4_CFG_CL | EMIF4_CFG_NARROW_MD |
+ EMIF4_CFG_SDR_DRV | EMIF4_CFG_DDR_DIS_DLL |
+ EMIF4_CFG_DDR2_DDQS | EMIF4_CFG_DDR_TERM |
+ EMIF4_CFG_IBANK_POS | EMIF4_CFG_SDRAM_TYP);
+ writel(regval, &emif4_base->sdram_config);
+}
+
+/*
+ * dram_init -
+ * - Sets uboots idea of sdram size
+ */
+int dram_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+ unsigned int size0 = 0, size1 = 0;
+
+ size0 = get_sdr_cs_size(CS0);
+ /*
+ * If a second bank of DDR is attached to CS1 this is
+ * where it can be started. Early init code will init
+ * memory on CS0.
+ */
+ if ((sysinfo.mtype == DDR_COMBO) || (sysinfo.mtype == DDR_STACKED))
+ size1 = get_sdr_cs_size(CS1);
+
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = size0;
+ gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + get_sdr_cs_offset(CS1);
+ gd->bd->bi_dram[1].size = size1;
+
+ return 0;
+}
+
+/*
+ * mem_init() -
+ * - Initialize memory subsystem
+ */
+void mem_init(void)
+{
+ do_emif4_init();
+}
--- /dev/null
+/*
+ * Copyright (c) 2009 Wind River Systems, Inc.
+ * Tom Rix <Tom.Rix@windriver.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ * This work is derived from the linux 2.6.27 kernel source
+ * To fetch, use the kernel repository
+ * git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
+ * Use the v2.6.27 tag.
+ *
+ * Below is the original's header including its copyright
+ *
+ * linux/arch/arm/plat-omap/gpio.c
+ *
+ * Support functions for OMAP GPIO
+ *
+ * Copyright (C) 2003-2005 Nokia Corporation
+ * Written by Juha Yrjölä <juha.yrjola@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <common.h>
+#include <asm/arch/gpio.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+
+static struct gpio_bank gpio_bank_34xx[6] = {
+ { (void *)OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP34XX_GPIO3_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP34XX_GPIO4_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP34XX_GPIO5_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP34XX_GPIO6_BASE, METHOD_GPIO_24XX },
+};
+
+static struct gpio_bank *gpio_bank = &gpio_bank_34xx[0];
+
+static inline struct gpio_bank *get_gpio_bank(int gpio)
+{
+ return &gpio_bank[gpio >> 5];
+}
+
+static inline int get_gpio_index(int gpio)
+{
+ return gpio & 0x1f;
+}
+
+static inline int gpio_valid(int gpio)
+{
+ if (gpio < 0)
+ return -1;
+ if (gpio < 192)
+ return 0;
+ return -1;
+}
+
+static int check_gpio(int gpio)
+{
+ if (gpio_valid(gpio) < 0) {
+ printf("ERROR : check_gpio: invalid GPIO %d\n", gpio);
+ return -1;
+ }
+ return 0;
+}
+
+static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input)
+{
+ void *reg = bank->base;
+ u32 l;
+
+ switch (bank->method) {
+ case METHOD_GPIO_24XX:
+ reg += OMAP24XX_GPIO_OE;
+ break;
+ default:
+ return;
+ }
+ l = __raw_readl(reg);
+ if (is_input)
+ l |= 1 << gpio;
+ else
+ l &= ~(1 << gpio);
+ __raw_writel(l, reg);
+}
+
+void omap_set_gpio_direction(int gpio, int is_input)
+{
+ struct gpio_bank *bank;
+
+ if (check_gpio(gpio) < 0)
+ return;
+ bank = get_gpio_bank(gpio);
+ _set_gpio_direction(bank, get_gpio_index(gpio), is_input);
+}
+
+static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable)
+{
+ void *reg = bank->base;
+ u32 l = 0;
+
+ switch (bank->method) {
+ case METHOD_GPIO_24XX:
+ if (enable)
+ reg += OMAP24XX_GPIO_SETDATAOUT;
+ else
+ reg += OMAP24XX_GPIO_CLEARDATAOUT;
+ l = 1 << gpio;
+ break;
+ default:
+ printf("omap3-gpio unknown bank method %s %d\n",
+ __FILE__, __LINE__);
+ return;
+ }
+ __raw_writel(l, reg);
+}
+
+void omap_set_gpio_dataout(int gpio, int enable)
+{
+ struct gpio_bank *bank;
+
+ if (check_gpio(gpio) < 0)
+ return;
+ bank = get_gpio_bank(gpio);
+ _set_gpio_dataout(bank, get_gpio_index(gpio), enable);
+}
+
+int omap_get_gpio_datain(int gpio)
+{
+ struct gpio_bank *bank;
+ void *reg;
+
+ if (check_gpio(gpio) < 0)
+ return -EINVAL;
+ bank = get_gpio_bank(gpio);
+ reg = bank->base;
+ switch (bank->method) {
+ case METHOD_GPIO_24XX:
+ reg += OMAP24XX_GPIO_DATAIN;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return (__raw_readl(reg)
+ & (1 << get_gpio_index(gpio))) != 0;
+}
+
+static void _reset_gpio(struct gpio_bank *bank, int gpio)
+{
+ _set_gpio_direction(bank, get_gpio_index(gpio), 1);
+}
+
+int omap_request_gpio(int gpio)
+{
+ if (check_gpio(gpio) < 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+void omap_free_gpio(int gpio)
+{
+ struct gpio_bank *bank;
+
+ if (check_gpio(gpio) < 0)
+ return;
+ bank = get_gpio_bank(gpio);
+
+ _reset_gpio(bank, gpio);
+}
--- /dev/null
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Initial Code by:
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <version.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/clocks_omap3.h>
+
+_TEXT_BASE:
+ .word TEXT_BASE /* sdram load addr from config.mk */
+
+#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_NAND_BOOT)
+/**************************************************************************
+ * cpy_clk_code: relocates clock code into SRAM where its safer to execute
+ * R1 = SRAM destination address.
+ *************************************************************************/
+.global cpy_clk_code
+ cpy_clk_code:
+ /* Copy DPLL code into SRAM */
+ adr r0, go_to_speed /* get addr of clock setting code */
+ mov r2, #384 /* r2 size to copy (div by 32 bytes) */
+ mov r1, r1 /* r1 <- dest address (passed in) */
+ add r2, r2, r0 /* r2 <- source end address */
+next2:
+ ldmia r0!, {r3 - r10} /* copy from source address [r0] */
+ stmia r1!, {r3 - r10} /* copy to target address [r1] */
+ cmp r0, r2 /* until source end address [r2] */
+ bne next2
+ mov pc, lr /* back to caller */
+
+/* ***************************************************************************
+ * go_to_speed: -Moves to bypass, -Commits clock dividers, -puts dpll at speed
+ * -executed from SRAM.
+ * R0 = CM_CLKEN_PLL-bypass value
+ * R1 = CM_CLKSEL1_PLL-m, n, and divider values
+ * R2 = CM_CLKSEL_CORE-divider values
+ * R3 = CM_IDLEST_CKGEN - addr dpll lock wait
+ *
+ * Note: If core unlocks/relocks and SDRAM is running fast already it gets
+ * confused. A reset of the controller gets it back. Taking away its
+ * L3 when its not in self refresh seems bad for it. Normally, this
+ * code runs from flash before SDR is init so that should be ok.
+ ****************************************************************************/
+.global go_to_speed
+ go_to_speed:
+ stmfd sp!, {r4 - r6}
+
+ /* move into fast relock bypass */
+ ldr r4, pll_ctl_add
+ str r0, [r4]
+wait1:
+ ldr r5, [r3] /* get status */
+ and r5, r5, #0x1 /* isolate core status */
+ cmp r5, #0x1 /* still locked? */
+ beq wait1 /* if lock, loop */
+
+ /* set new dpll dividers _after_ in bypass */
+ ldr r5, pll_div_add1
+ str r1, [r5] /* set m, n, m2 */
+ ldr r5, pll_div_add2
+ str r2, [r5] /* set l3/l4/.. dividers*/
+ ldr r5, pll_div_add3 /* wkup */
+ ldr r2, pll_div_val3 /* rsm val */
+ str r2, [r5]
+ ldr r5, pll_div_add4 /* gfx */
+ ldr r2, pll_div_val4
+ str r2, [r5]
+ ldr r5, pll_div_add5 /* emu */
+ ldr r2, pll_div_val5
+ str r2, [r5]
+
+ /* now prepare GPMC (flash) for new dpll speed */
+ /* flash needs to be stable when we jump back to it */
+ ldr r5, flash_cfg3_addr
+ ldr r2, flash_cfg3_val
+ str r2, [r5]
+ ldr r5, flash_cfg4_addr
+ ldr r2, flash_cfg4_val
+ str r2, [r5]
+ ldr r5, flash_cfg5_addr
+ ldr r2, flash_cfg5_val
+ str r2, [r5]
+ ldr r5, flash_cfg1_addr
+ ldr r2, [r5]
+ orr r2, r2, #0x3 /* up gpmc divider */
+ str r2, [r5]
+
+ /* lock DPLL3 and wait a bit */
+ orr r0, r0, #0x7 /* set up for lock mode */
+ str r0, [r4] /* lock */
+ nop /* ARM slow at this point working at sys_clk */
+ nop
+ nop
+ nop
+wait2:
+ ldr r5, [r3] /* get status */
+ and r5, r5, #0x1 /* isolate core status */
+ cmp r5, #0x1 /* still locked? */
+ bne wait2 /* if lock, loop */
+ nop
+ nop
+ nop
+ nop
+ ldmfd sp!, {r4 - r6}
+ mov pc, lr /* back to caller, locked */
+
+_go_to_speed: .word go_to_speed
+
+/* these constants need to be close for PIC code */
+/* The Nor has to be in the Flash Base CS0 for this condition to happen */
+flash_cfg1_addr:
+ .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG1)
+flash_cfg3_addr:
+ .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG3)
+flash_cfg3_val:
+ .word STNOR_GPMC_CONFIG3
+flash_cfg4_addr:
+ .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG4)
+flash_cfg4_val:
+ .word STNOR_GPMC_CONFIG4
+flash_cfg5_val:
+ .word STNOR_GPMC_CONFIG5
+flash_cfg5_addr:
+ .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG5)
+pll_ctl_add:
+ .word CM_CLKEN_PLL
+pll_div_add1:
+ .word CM_CLKSEL1_PLL
+pll_div_add2:
+ .word CM_CLKSEL_CORE
+pll_div_add3:
+ .word CM_CLKSEL_WKUP
+pll_div_val3:
+ .word (WKUP_RSM << 1)
+pll_div_add4:
+ .word CM_CLKSEL_GFX
+pll_div_val4:
+ .word (GFX_DIV << 0)
+pll_div_add5:
+ .word CM_CLKSEL1_EMU
+pll_div_val5:
+ .word CLSEL1_EMU_VAL
+
+#endif
+
+.globl lowlevel_init
+lowlevel_init:
+ ldr sp, SRAM_STACK
+ str ip, [sp] /* stash old link register */
+ mov ip, lr /* save link reg across call */
+ bl s_init /* go setup pll, mux, memory */
+ ldr ip, [sp] /* restore save ip */
+ mov lr, ip /* restore link reg */
+
+ /* back to arch calling code */
+ mov pc, lr
+
+ /* the literal pools origin */
+ .ltorg
+
+REG_CONTROL_STATUS:
+ .word CONTROL_STATUS
+SRAM_STACK:
+ .word LOW_LEVEL_SRAM_STACK
+
+/* DPLL(1-4) PARAM TABLES */
+
+/*
+ * Each of the tables has M, N, FREQSEL, M2 values defined for nominal
+ * OPP (1.2V). The fields are defined according to dpll_param struct (clock.c).
+ * The values are defined for all possible sysclk and for ES1 and ES2.
+ */
+
+mpu_dpll_param:
+/* 12MHz */
+/* ES1 */
+.word MPU_M_12_ES1, MPU_N_12_ES1, MPU_FSEL_12_ES1, MPU_M2_12_ES1
+/* ES2 */
+.word MPU_M_12_ES2, MPU_N_12_ES2, MPU_FSEL_12_ES2, MPU_M2_ES2
+/* 3410 */
+.word MPU_M_12, MPU_N_12, MPU_FSEL_12, MPU_M2_12
+
+/* 13MHz */
+/* ES1 */
+.word MPU_M_13_ES1, MPU_N_13_ES1, MPU_FSEL_13_ES1, MPU_M2_13_ES1
+/* ES2 */
+.word MPU_M_13_ES2, MPU_N_13_ES2, MPU_FSEL_13_ES2, MPU_M2_13_ES2
+/* 3410 */
+.word MPU_M_13, MPU_N_13, MPU_FSEL_13, MPU_M2_13
+
+/* 19.2MHz */
+/* ES1 */
+.word MPU_M_19P2_ES1, MPU_N_19P2_ES1, MPU_FSEL_19P2_ES1, MPU_M2_19P2_ES1
+/* ES2 */
+.word MPU_M_19P2_ES2, MPU_N_19P2_ES2, MPU_FSEL_19P2_ES2, MPU_M2_19P2_ES2
+/* 3410 */
+.word MPU_M_19P2, MPU_N_19P2, MPU_FSEL_19P2, MPU_M2_19P2
+
+/* 26MHz */
+/* ES1 */
+.word MPU_M_26_ES1, MPU_N_26_ES1, MPU_FSEL_26_ES1, MPU_M2_26_ES1
+/* ES2 */
+.word MPU_M_26_ES2, MPU_N_26_ES2, MPU_FSEL_26_ES2, MPU_M2_26_ES2
+/* 3410 */
+.word MPU_M_26, MPU_N_26, MPU_FSEL_26, MPU_M2_26
+
+/* 38.4MHz */
+/* ES1 */
+.word MPU_M_38P4_ES1, MPU_N_38P4_ES1, MPU_FSEL_38P4_ES1, MPU_M2_38P4_ES1
+/* ES2 */
+.word MPU_M_38P4_ES2, MPU_N_38P4_ES2, MPU_FSEL_38P4_ES2, MPU_M2_38P4_ES2
+/* 3410 */
+.word MPU_M_38P4, MPU_N_38P4, MPU_FSEL_38P4, MPU_M2_38P4
+
+
+.globl get_mpu_dpll_param
+get_mpu_dpll_param:
+ adr r0, mpu_dpll_param
+ mov pc, lr
+
+iva_dpll_param:
+/* 12MHz */
+/* ES1 */
+.word IVA_M_12_ES1, IVA_N_12_ES1, IVA_FSEL_12_ES1, IVA_M2_12_ES1
+/* ES2 */
+.word IVA_M_12_ES2, IVA_N_12_ES2, IVA_FSEL_12_ES2, IVA_M2_12_ES2
+/* 3410 */
+.word IVA_M_12, IVA_N_12, IVA_FSEL_12, IVA_M2_12
+
+/* 13MHz */
+/* ES1 */
+.word IVA_M_13_ES1, IVA_N_13_ES1, IVA_FSEL_13_ES1, IVA_M2_13_ES1
+/* ES2 */
+.word IVA_M_13_ES2, IVA_N_13_ES2, IVA_FSEL_13_ES2, IVA_M2_13_ES2
+/* 3410 */
+.word IVA_M_13, IVA_N_13, IVA_FSEL_13, IVA_M2_13
+
+/* 19.2MHz */
+/* ES1 */
+.word IVA_M_19P2_ES1, IVA_N_19P2_ES1, IVA_FSEL_19P2_ES1, IVA_M2_19P2_ES1
+/* ES2 */
+.word IVA_M_19P2_ES2, IVA_N_19P2_ES2, IVA_FSEL_19P2_ES2, IVA_M2_19P2_ES2
+/* 3410 */
+.word IVA_M_19P2, IVA_N_19P2, IVA_FSEL_19P2, IVA_M2_19P2
+
+/* 26MHz */
+/* ES1 */
+.word IVA_M_26_ES1, IVA_N_26_ES1, IVA_FSEL_26_ES1, IVA_M2_26_ES1
+/* ES2 */
+.word IVA_M_26_ES2, IVA_N_26_ES2, IVA_FSEL_26_ES2, IVA_M2_26_ES2
+/* 3410 */
+.word IVA_M_26, IVA_N_26, IVA_FSEL_26, IVA_M2_26
+
+/* 38.4MHz */
+/* ES1 */
+.word IVA_M_38P4_ES1, IVA_N_38P4_ES1, IVA_FSEL_38P4_ES1, IVA_M2_38P4_ES1
+/* ES2 */
+.word IVA_M_38P4_ES2, IVA_N_38P4_ES2, IVA_FSEL_38P4_ES2, IVA_M2_38P4_ES2
+/* 3410 */
+.word IVA_M_38P4, IVA_N_38P4, IVA_FSEL_38P4, IVA_M2_38P4
+
+
+.globl get_iva_dpll_param
+get_iva_dpll_param:
+ adr r0, iva_dpll_param
+ mov pc, lr
+
+/* Core DPLL targets for L3 at 166 & L133 */
+core_dpll_param:
+/* 12MHz */
+/* ES1 */
+.word CORE_M_12_ES1, CORE_N_12_ES1, CORE_FSL_12_ES1, CORE_M2_12_ES1
+/* ES2 */
+.word CORE_M_12, CORE_N_12, CORE_FSEL_12, CORE_M2_12
+/* 3410 */
+.word CORE_M_12, CORE_N_12, CORE_FSEL_12, CORE_M2_12
+
+/* 13MHz */
+/* ES1 */
+.word CORE_M_13_ES1, CORE_N_13_ES1, CORE_FSL_13_ES1, CORE_M2_13_ES1
+/* ES2 */
+.word CORE_M_13, CORE_N_13, CORE_FSEL_13, CORE_M2_13
+/* 3410 */
+.word CORE_M_13, CORE_N_13, CORE_FSEL_13, CORE_M2_13
+
+/* 19.2MHz */
+/* ES1 */
+.word CORE_M_19P2_ES1, CORE_N_19P2_ES1, CORE_FSL_19P2_ES1, CORE_M2_19P2_ES1
+/* ES2 */
+.word CORE_M_19P2, CORE_N_19P2, CORE_FSEL_19P2, CORE_M2_19P2
+/* 3410 */
+.word CORE_M_19P2, CORE_N_19P2, CORE_FSEL_19P2, CORE_M2_19P2
+
+/* 26MHz */
+/* ES1 */
+.word CORE_M_26_ES1, CORE_N_26_ES1, CORE_FSL_26_ES1, CORE_M2_26_ES1
+/* ES2 */
+.word CORE_M_26, CORE_N_26, CORE_FSEL_26, CORE_M2_26
+/* 3410 */
+.word CORE_M_26, CORE_N_26, CORE_FSEL_26, CORE_M2_26
+
+/* 38.4MHz */
+/* ES1 */
+.word CORE_M_38P4_ES1, CORE_N_38P4_ES1, CORE_FSL_38P4_ES1, CORE_M2_38P4_ES1
+/* ES2 */
+.word CORE_M_38P4, CORE_N_38P4, CORE_FSEL_38P4, CORE_M2_38P4
+/* 3410 */
+.word CORE_M_38P4, CORE_N_38P4, CORE_FSEL_38P4, CORE_M2_38P4
+
+.globl get_core_dpll_param
+get_core_dpll_param:
+ adr r0, core_dpll_param
+ mov pc, lr
+
+/* PER DPLL values are same for both ES1 and ES2 */
+per_dpll_param:
+/* 12MHz */
+.word PER_M_12, PER_N_12, PER_FSEL_12, PER_M2_12
+
+/* 13MHz */
+.word PER_M_13, PER_N_13, PER_FSEL_13, PER_M2_13
+
+/* 19.2MHz */
+.word PER_M_19P2, PER_N_19P2, PER_FSEL_19P2, PER_M2_19P2
+
+/* 26MHz */
+.word PER_M_26, PER_N_26, PER_FSEL_26, PER_M2_26
+
+/* 38.4MHz */
+.word PER_M_38P4, PER_N_38P4, PER_FSEL_38P4, PER_M2_38P4
+
+.globl get_per_dpll_param
+get_per_dpll_param:
+ adr r0, per_dpll_param
+ mov pc, lr
--- /dev/null
+/*
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Manikandan Pillai <mani.pillai@ti.com>
+ *
+ * Initial Code from:
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+#include <command.h>
+
+/*
+ * Only One NAND allowed on board at a time.
+ * The GPMC CS Base for the same
+ */
+unsigned int boot_flash_base;
+unsigned int boot_flash_off;
+unsigned int boot_flash_sec;
+unsigned int boot_flash_type;
+volatile unsigned int boot_flash_env_addr;
+
+struct gpmc *gpmc_cfg;
+
+#if defined(CONFIG_CMD_NAND)
+static const u32 gpmc_m_nand[GPMC_MAX_REG] = {
+ M_NAND_GPMC_CONFIG1,
+ M_NAND_GPMC_CONFIG2,
+ M_NAND_GPMC_CONFIG3,
+ M_NAND_GPMC_CONFIG4,
+ M_NAND_GPMC_CONFIG5,
+ M_NAND_GPMC_CONFIG6, 0
+};
+
+#if defined(CONFIG_ENV_IS_IN_NAND)
+#define GPMC_CS 0
+#else
+#define GPMC_CS 1
+#endif
+
+#endif
+
+#if defined(CONFIG_CMD_ONENAND)
+static const u32 gpmc_onenand[GPMC_MAX_REG] = {
+ ONENAND_GPMC_CONFIG1,
+ ONENAND_GPMC_CONFIG2,
+ ONENAND_GPMC_CONFIG3,
+ ONENAND_GPMC_CONFIG4,
+ ONENAND_GPMC_CONFIG5,
+ ONENAND_GPMC_CONFIG6, 0
+};
+
+#if defined(CONFIG_ENV_IS_IN_ONENAND)
+#define GPMC_CS 0
+#else
+#define GPMC_CS 1
+#endif
+
+#endif
+
+/********************************************************
+ * mem_ok() - test used to see if timings are correct
+ * for a part. Helps in guessing which part
+ * we are currently using.
+ *******************************************************/
+u32 mem_ok(u32 cs)
+{
+ u32 val1, val2, addr;
+ u32 pattern = 0x12345678;
+
+ addr = OMAP34XX_SDRC_CS0 + get_sdr_cs_offset(cs);
+
+ writel(0x0, addr + 0x400); /* clear pos A */
+ writel(pattern, addr); /* pattern to pos B */
+ writel(0x0, addr + 4); /* remove pattern off the bus */
+ val1 = readl(addr + 0x400); /* get pos A value */
+ val2 = readl(addr); /* get val2 */
+
+ if ((val1 != 0) || (val2 != pattern)) /* see if pos A val changed */
+ return 0;
+ else
+ return 1;
+}
+
+void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
+ u32 size)
+{
+ writel(0, &cs->config7);
+ sdelay(1000);
+ /* Delay for settling */
+ writel(gpmc_config[0], &cs->config1);
+ writel(gpmc_config[1], &cs->config2);
+ writel(gpmc_config[2], &cs->config3);
+ writel(gpmc_config[3], &cs->config4);
+ writel(gpmc_config[4], &cs->config5);
+ writel(gpmc_config[5], &cs->config6);
+ /* Enable the config */
+ writel((((size & 0xF) << 8) | ((base >> 24) & 0x3F) |
+ (1 << 6)), &cs->config7);
+ sdelay(2000);
+}
+
+/*****************************************************
+ * gpmc_init(): init gpmc bus
+ * Init GPMC for x16, MuxMode (SDRAM in x32).
+ * This code can only be executed from SRAM or SDRAM.
+ *****************************************************/
+void gpmc_init(void)
+{
+ /* putting a blanket check on GPMC based on ZeBu for now */
+ gpmc_cfg = (struct gpmc *)GPMC_BASE;
+#if defined(CONFIG_CMD_NAND) || defined(CONFIG_CMD_ONENAND)
+ const u32 *gpmc_config = NULL;
+ u32 base = 0;
+ u32 size = 0;
+#if defined(CONFIG_ENV_IS_IN_NAND) || defined(CONFIG_ENV_IS_IN_ONENAND)
+ u32 f_off = CONFIG_SYS_MONITOR_LEN;
+ u32 f_sec = 0;
+#endif
+#endif
+ u32 config = 0;
+
+ /* global settings */
+ writel(0, &gpmc_cfg->irqenable); /* isr's sources masked */
+ writel(0, &gpmc_cfg->timeout_control);/* timeout disable */
+
+ config = readl(&gpmc_cfg->config);
+ config &= (~0xf00);
+ writel(config, &gpmc_cfg->config);
+
+ /*
+ * Disable the GPMC0 config set by ROM code
+ * It conflicts with our MPDB (both at 0x08000000)
+ */
+ writel(0, &gpmc_cfg->cs[0].config7);
+ sdelay(1000);
+
+#if defined(CONFIG_CMD_NAND) /* CS 0 */
+ gpmc_config = gpmc_m_nand;
+
+ base = PISMO1_NAND_BASE;
+ size = PISMO1_NAND_SIZE;
+ enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size);
+#if defined(CONFIG_ENV_IS_IN_NAND)
+ f_off = SMNAND_ENV_OFFSET;
+ f_sec = (128 << 10); /* 128 KiB */
+ /* env setup */
+ boot_flash_base = base;
+ boot_flash_off = f_off;
+ boot_flash_sec = f_sec;
+ boot_flash_env_addr = f_off;
+#endif
+#endif
+
+#if defined(CONFIG_CMD_ONENAND)
+ gpmc_config = gpmc_onenand;
+ base = PISMO1_ONEN_BASE;
+ size = PISMO1_ONEN_SIZE;
+ enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size);
+#if defined(CONFIG_ENV_IS_IN_ONENAND)
+ f_off = ONENAND_ENV_OFFSET;
+ f_sec = (128 << 10); /* 128 KiB */
+ /* env setup */
+ boot_flash_base = base;
+ boot_flash_off = f_off;
+ boot_flash_sec = f_sec;
+ boot_flash_env_addr = f_off;
+#endif
+#endif
+}
--- /dev/null
+/*
+ * Copyright (c) 2009 Samsung Electronics.
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+
+.global reset_cpu
+reset_cpu:
+ ldr r1, rstctl @ get addr for global reset
+ @ reg
+ mov r3, #0x2 @ full reset pll + mpu
+ str r3, [r1] @ force reset
+ mov r0, r0
+_loop_forever:
+ b _loop_forever
+rstctl:
+ .word PRM_RSTCTRL
--- /dev/null
+/*
+ * Functions related to OMAP3 SDRC.
+ *
+ * This file has been created after exctracting and consolidating
+ * the SDRC related content from mem.c and board.c, also created
+ * generic init function (mem_init).
+ *
+ * Copyright (C) 2004-2010
+ * Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Author :
+ * Vaibhav Hiremath <hvaibhav@ti.com>
+ *
+ * Original implementation by (mem.c, board.c) :
+ * Sunil Kumar <sunilsaini05@gmail.com>
+ * Shashi Ranjan <shashiranjanmca05@gmail.com>
+ * Manikandan Pillai <mani.pillai@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+
+extern omap3_sysinfo sysinfo;
+
+static struct sdrc *sdrc_base = (struct sdrc *)OMAP34XX_SDRC_BASE;
+
+/*
+ * is_mem_sdr -
+ * - Return 1 if mem type in use is SDR
+ */
+u32 is_mem_sdr(void)
+{
+ if (readl(&sdrc_base->cs[CS0].mr) == SDRC_MR_0_SDR)
+ return 1;
+ return 0;
+}
+
+/*
+ * make_cs1_contiguous -
+ * - For es2 and above remap cs1 behind cs0 to allow command line
+ * mem=xyz use all memory with out discontinuous support compiled in.
+ * Could do it at the ATAG, but there really is two banks...
+ * - Called as part of 2nd phase DDR init.
+ */
+void make_cs1_contiguous(void)
+{
+ u32 size, a_add_low, a_add_high;
+
+ size = get_sdr_cs_size(CS0);
+ size >>= 25; /* divide by 32 MiB to find size to offset CS1 */
+ a_add_high = (size & 3) << 8; /* set up low field */
+ a_add_low = (size & 0x3C) >> 2; /* set up high field */
+ writel((a_add_high | a_add_low), &sdrc_base->cs_cfg);
+
+}
+
+
+/*
+ * get_sdr_cs_size -
+ * - Get size of chip select 0/1
+ */
+u32 get_sdr_cs_size(u32 cs)
+{
+ u32 size;
+
+ /* get ram size field */
+ size = readl(&sdrc_base->cs[cs].mcfg) >> 8;
+ size &= 0x3FF; /* remove unwanted bits */
+ size <<= 21; /* multiply by 2 MiB to find size in MB */
+ return size;
+}
+
+/*
+ * get_sdr_cs_offset -
+ * - Get offset of cs from cs0 start
+ */
+u32 get_sdr_cs_offset(u32 cs)
+{
+ u32 offset;
+
+ if (!cs)
+ return 0;
+
+ offset = readl(&sdrc_base->cs_cfg);
+ offset = (offset & 15) << 27 | (offset & 0x30) >> 17;
+
+ return offset;
+}
+
+/*
+ * do_sdrc_init -
+ * - Initialize the SDRAM for use.
+ * - Sets up SDRC timings for CS0
+ * - code called once in C-Stack only context for CS0 and a possible 2nd
+ * time depending on memory configuration from stack+global context
+ */
+void do_sdrc_init(u32 cs, u32 early)
+{
+ struct sdrc_actim *sdrc_actim_base;
+
+ if (cs)
+ sdrc_actim_base = (struct sdrc_actim *)SDRC_ACTIM_CTRL1_BASE;
+ else
+ sdrc_actim_base = (struct sdrc_actim *)SDRC_ACTIM_CTRL0_BASE;
+
+ if (early) {
+ /* reset sdrc controller */
+ writel(SOFTRESET, &sdrc_base->sysconfig);
+ wait_on_value(RESETDONE, RESETDONE, &sdrc_base->status,
+ 12000000);
+ writel(0, &sdrc_base->sysconfig);
+
+ /* setup sdrc to ball mux */
+ writel(SDRC_SHARING, &sdrc_base->sharing);
+
+ /* Disable Power Down of CKE cuz of 1 CKE on combo part */
+ writel(WAKEUPPROC | SRFRONRESET | PAGEPOLICY_HIGH,
+ &sdrc_base->power);
+
+ writel(ENADLL | DLLPHASE_90, &sdrc_base->dlla_ctrl);
+ sdelay(0x20000);
+ }
+
+ writel(RASWIDTH_13BITS | CASWIDTH_10BITS | ADDRMUXLEGACY |
+ RAMSIZE_128 | BANKALLOCATION | B32NOT16 | B32NOT16 |
+ DEEPPD | DDR_SDRAM, &sdrc_base->cs[cs].mcfg);
+ writel(ARCV | ARE_ARCV_1, &sdrc_base->cs[cs].rfr_ctrl);
+ writel(V_ACTIMA_165, &sdrc_actim_base->ctrla);
+ writel(V_ACTIMB_165, &sdrc_actim_base->ctrlb);
+
+ writel(CMD_NOP, &sdrc_base->cs[cs].manual);
+ writel(CMD_PRECHARGE, &sdrc_base->cs[cs].manual);
+ writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
+ writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
+
+ /*
+ * CAS latency 3, Write Burst = Read Burst, Serial Mode,
+ * Burst length = 4
+ */
+ writel(CASL3 | BURSTLENGTH4, &sdrc_base->cs[cs].mr);
+
+ if (!mem_ok(cs))
+ writel(0, &sdrc_base->cs[cs].mcfg);
+}
+
+/*
+ * dram_init -
+ * - Sets uboots idea of sdram size
+ */
+int dram_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+ unsigned int size0 = 0, size1 = 0;
+
+ size0 = get_sdr_cs_size(CS0);
+ /*
+ * If a second bank of DDR is attached to CS1 this is
+ * where it can be started. Early init code will init
+ * memory on CS0.
+ */
+ if ((sysinfo.mtype == DDR_COMBO) || (sysinfo.mtype == DDR_STACKED)) {
+ do_sdrc_init(CS1, NOT_EARLY);
+ make_cs1_contiguous();
+
+ size1 = get_sdr_cs_size(CS1);
+ }
+
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = size0;
+ gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + get_sdr_cs_offset(CS1);
+ gd->bd->bi_dram[1].size = size1;
+
+ return 0;
+}
+
+/*
+ * mem_init -
+ * - Init the sdrc chip,
+ * - Selects CS0 and CS1,
+ */
+void mem_init(void)
+{
+ /* only init up first bank here */
+ do_sdrc_init(CS0, EARLY_INIT);
+}
--- /dev/null
+/*
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Manikandan Pillai <mani.pillai@ti.com>
+ *
+ * Derived from Beagle Board and 3430 SDP code by
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h> /* get mem tables */
+#include <asm/arch/sys_proto.h>
+#include <i2c.h>
+
+extern omap3_sysinfo sysinfo;
+static struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
+static char *rev_s[CPU_3XX_MAX_REV] = {
+ "1.0",
+ "2.0",
+ "2.1",
+ "3.0",
+ "3.1"};
+
+/*****************************************************************
+ * dieid_num_r(void) - read and set die ID
+ *****************************************************************/
+void dieid_num_r(void)
+{
+ struct ctrl_id *id_base = (struct ctrl_id *)OMAP34XX_ID_L4_IO_BASE;
+ char *uid_s, die_id[34];
+ u32 id[4];
+
+ memset(die_id, 0, sizeof(die_id));
+
+ uid_s = getenv("dieid#");
+
+ if (uid_s == NULL) {
+ id[3] = readl(&id_base->die_id_0);
+ id[2] = readl(&id_base->die_id_1);
+ id[1] = readl(&id_base->die_id_2);
+ id[0] = readl(&id_base->die_id_3);
+ sprintf(die_id, "%08x%08x%08x%08x", id[0], id[1], id[2], id[3]);
+ setenv("dieid#", die_id);
+ uid_s = die_id;
+ }
+
+ printf("Die ID #%s\n", uid_s);
+}
+
+/******************************************
+ * get_cpu_type(void) - extract cpu info
+ ******************************************/
+u32 get_cpu_type(void)
+{
+ return readl(&ctrl_base->ctrl_omap_stat);
+}
+
+/******************************************
+ * get_cpu_rev(void) - extract version info
+ ******************************************/
+u32 get_cpu_rev(void)
+{
+ u32 cpuid = 0;
+ struct ctrl_id *id_base;
+
+ /*
+ * On ES1.0 the IDCODE register is not exposed on L4
+ * so using CPU ID to differentiate between ES1.0 and > ES1.0.
+ */
+ __asm__ __volatile__("mrc p15, 0, %0, c0, c0, 0":"=r"(cpuid));
+ if ((cpuid & 0xf) == 0x0)
+ return CPU_3XX_ES10;
+ else {
+ /* Decode the IDs on > ES1.0 */
+ id_base = (struct ctrl_id *) OMAP34XX_ID_L4_IO_BASE;
+
+ cpuid = (readl(&id_base->idcode) >> CPU_3XX_ID_SHIFT) & 0xf;
+
+ /* Some early ES2.0 seem to report ID 0, fix this */
+ if(cpuid == 0)
+ cpuid = CPU_3XX_ES20;
+
+ return cpuid;
+ }
+}
+
+/***************************************************************************
+ * get_gpmc0_base() - Return current address hardware will be
+ * fetching from. The below effectively gives what is correct, its a bit
+ * mis-leading compared to the TRM. For the most general case the mask
+ * needs to be also taken into account this does work in practice.
+ * - for u-boot we currently map:
+ * -- 0 to nothing,
+ * -- 4 to flash
+ * -- 8 to enent
+ * -- c to wifi
+ ****************************************************************************/
+u32 get_gpmc0_base(void)
+{
+ u32 b;
+
+ b = readl(&gpmc_cfg->cs[0].config7);
+ b &= 0x1F; /* keep base [5:0] */
+ b = b << 24; /* ret 0x0b000000 */
+ return b;
+}
+
+/*******************************************************************
+ * get_gpmc0_width() - See if bus is in x8 or x16 (mainly for nand)
+ *******************************************************************/
+u32 get_gpmc0_width(void)
+{
+ return WIDTH_16BIT;
+}
+
+/*************************************************************************
+ * get_board_rev() - setup to pass kernel board revision information
+ * returns:(bit[0-3] sub version, higher bit[7-4] is higher version)
+ *************************************************************************/
+u32 get_board_rev(void)
+{
+ return 0x20;
+}
+
+/********************************************************
+ * get_base(); get upper addr of current execution
+ *******************************************************/
+u32 get_base(void)
+{
+ u32 val;
+
+ __asm__ __volatile__("mov %0, pc \n":"=r"(val)::"memory");
+ val &= 0xF0000000;
+ val >>= 28;
+ return val;
+}
+
+/********************************************************
+ * is_running_in_flash() - tell if currently running in
+ * FLASH.
+ *******************************************************/
+u32 is_running_in_flash(void)
+{
+ if (get_base() < 4)
+ return 1; /* in FLASH */
+
+ return 0; /* running in SRAM or SDRAM */
+}
+
+/********************************************************
+ * is_running_in_sram() - tell if currently running in
+ * SRAM.
+ *******************************************************/
+u32 is_running_in_sram(void)
+{
+ if (get_base() == 4)
+ return 1; /* in SRAM */
+
+ return 0; /* running in FLASH or SDRAM */
+}
+
+/********************************************************
+ * is_running_in_sdram() - tell if currently running in
+ * SDRAM.
+ *******************************************************/
+u32 is_running_in_sdram(void)
+{
+ if (get_base() > 4)
+ return 1; /* in SDRAM */
+
+ return 0; /* running in SRAM or FLASH */
+}
+
+/***************************************************************
+ * get_boot_type() - Is this an XIP type device or a stream one
+ * bits 4-0 specify type. Bit 5 says mem/perif
+ ***************************************************************/
+u32 get_boot_type(void)
+{
+ return (readl(&ctrl_base->status) & SYSBOOT_MASK);
+}
+
+/*************************************************************
+ * get_device_type(): tell if GP/HS/EMU/TST
+ *************************************************************/
+u32 get_device_type(void)
+{
+ return ((readl(&ctrl_base->status) & (DEVICE_MASK)) >> 8);
+}
+
+#ifdef CONFIG_DISPLAY_CPUINFO
+/**
+ * Print CPU information
+ */
+int print_cpuinfo (void)
+{
+ char *cpu_s, *sec_s;
+
+ switch (get_cpu_type()) {
+ case OMAP3503:
+ cpu_s = "3503";
+ break;
+ case OMAP3515:
+ cpu_s = "3515";
+ break;
+ case OMAP3525:
+ cpu_s = "3525";
+ break;
+ case OMAP3530:
+ cpu_s = "3530";
+ break;
+ default:
+ cpu_s = "35XX";
+ break;
+ }
+
+ switch (get_device_type()) {
+ case TST_DEVICE:
+ sec_s = "TST";
+ break;
+ case EMU_DEVICE:
+ sec_s = "EMU";
+ break;
+ case HS_DEVICE:
+ sec_s = "HS";
+ break;
+ case GP_DEVICE:
+ sec_s = "GP";
+ break;
+ default:
+ sec_s = "?";
+ }
+
+ printf("OMAP%s-%s ES%s, CPU-OPP2 L3-165MHz\n",
+ cpu_s, sec_s, rev_s[get_cpu_rev()]);
+
+ return 0;
+}
+#endif /* CONFIG_DISPLAY_CPUINFO */
--- /dev/null
+/*
+ * (C) Copyright 2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/clocks.h>
+#include <asm/arch/sys_proto.h>
+
+/************************************************************
+ * sdelay() - simple spin loop. Will be constant time as
+ * its generally used in bypass conditions only. This
+ * is necessary until timers are accessible.
+ *
+ * not inline to increase chances its in cache when called
+ *************************************************************/
+void sdelay(unsigned long loops)
+{
+ __asm__ volatile ("1:\n" "subs %0, %1, #1\n"
+ "bne 1b":"=r" (loops):"0"(loops));
+}
+
+/*****************************************************************
+ * sr32 - clear & set a value in a bit range for a 32 bit address
+ *****************************************************************/
+void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value)
+{
+ u32 tmp, msk = 0;
+ msk = 1 << num_bits;
+ --msk;
+ tmp = readl((u32)addr) & ~(msk << start_bit);
+ tmp |= value << start_bit;
+ writel(tmp, (u32)addr);
+}
+
+/*********************************************************************
+ * wait_on_value() - common routine to allow waiting for changes in
+ * volatile regs.
+ *********************************************************************/
+u32 wait_on_value(u32 read_bit_mask, u32 match_value, void *read_addr,
+ u32 bound)
+{
+ u32 i = 0, val;
+ do {
+ ++i;
+ val = readl((u32)read_addr) & read_bit_mask;
+ if (val == match_value)
+ return 1;
+ if (i == bound)
+ return 0;
+ } while (1);
+}
--- /dev/null
+/*
+ * (C) Copyright 2008
+ * Texas Instruments
+ *
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Moahmmed Khasim <khasim@ti.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+static ulong timestamp;
+static ulong lastinc;
+static struct gptimer *timer_base = (struct gptimer *)CONFIG_SYS_TIMERBASE;
+
+/*
+ * Nothing really to do with interrupts, just starts up a counter.
+ * We run the counter with 13MHz, divided by 8, resulting in timer
+ * frequency of 1.625MHz. With 32bit counter register, counter
+ * overflows in ~44min
+ */
+
+/* 13MHz / 8 = 1.625MHz */
+#define TIMER_CLOCK (V_SCLK / (2 << CONFIG_SYS_PTV))
+#define TIMER_LOAD_VAL 0xffffffff
+
+int timer_init(void)
+{
+ /* start the counter ticking up, reload value on overflow */
+ writel(TIMER_LOAD_VAL, &timer_base->tldr);
+ /* enable timer */
+ writel((CONFIG_SYS_PTV << 2) | TCLR_PRE | TCLR_AR | TCLR_ST,
+ &timer_base->tclr);
+
+ reset_timer_masked(); /* init the timestamp and lastinc value */
+
+ return 0;
+}
+
+/*
+ * timer without interrupts
+ */
+void reset_timer(void)
+{
+ reset_timer_masked();
+}
+
+ulong get_timer(ulong base)
+{
+ return get_timer_masked() - base;
+}
+
+void set_timer(ulong t)
+{
+ timestamp = t;
+}
+
+/* delay x useconds */
+void __udelay(unsigned long usec)
+{
+ long tmo = usec * (TIMER_CLOCK / 1000) / 1000;
+ unsigned long now, last = readl(&timer_base->tcrr);
+
+ while (tmo > 0) {
+ now = readl(&timer_base->tcrr);
+ if (last > now) /* count up timer overflow */
+ tmo -= TIMER_LOAD_VAL - last + now;
+ else
+ tmo -= now - last;
+ last = now;
+ }
+}
+
+void reset_timer_masked(void)
+{
+ /* reset time, capture current incrementer value time */
+ lastinc = readl(&timer_base->tcrr) / (TIMER_CLOCK / CONFIG_SYS_HZ);
+ timestamp = 0; /* start "advancing" time stamp from 0 */
+}
+
+ulong get_timer_masked(void)
+{
+ /* current tick value */
+ ulong now = readl(&timer_base->tcrr) / (TIMER_CLOCK / CONFIG_SYS_HZ);
+
+ if (now >= lastinc) /* normal mode (non roll) */
+ /* move stamp fordward with absoulte diff ticks */
+ timestamp += (now - lastinc);
+ else /* we have rollover of incrementer */
+ timestamp += ((TIMER_LOAD_VAL / (TIMER_CLOCK / CONFIG_SYS_HZ))
+ - lastinc) + now;
+ lastinc = now;
+ return timestamp;
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+ return get_timer(0);
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+ return CONFIG_SYS_HZ;
+}
--- /dev/null
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008
+# Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).a
+
+SOBJS = cache.o
+SOBJS += reset.o
+
+COBJS += clock.o
+COBJS += cpu_info.o
+COBJS += sromc.o
+COBJS += timer.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * based on arch/arm/cpu/armv7/omap3/cache.S
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/arch/cpu.h>
+
+.align 5
+.global invalidate_dcache
+.global l2_cache_enable
+.global l2_cache_disable
+
+/*
+ * invalidate_dcache()
+ * Invalidate the whole D-cache.
+ *
+ * Corrupted registers: r0-r5, r7, r9-r11
+ */
+invalidate_dcache:
+ stmfd r13!, {r0 - r5, r7, r9 - r12, r14}
+
+ cmp r0, #0xC100 @ check if the cpu is s5pc100
+
+ beq finished_inval @ s5pc100 doesn't need this
+ @ routine
+ mrc p15, 1, r0, c0, c0, 1 @ read clidr
+ ands r3, r0, #0x7000000 @ extract loc from clidr
+ mov r3, r3, lsr #23 @ left align loc bit field
+ beq finished_inval @ if loc is 0, then no need to
+ @ clean
+ mov r10, #0 @ start clean at cache level 0
+inval_loop1:
+ add r2, r10, r10, lsr #1 @ work out 3x current cache
+ @ level
+ mov r1, r0, lsr r2 @ extract cache type bits from
+ @ clidr
+ and r1, r1, #7 @ mask of the bits for current
+ @ cache only
+ cmp r1, #2 @ see what cache we have at
+ @ this level
+ blt skip_inval @ skip if no cache, or just
+ @ i-cache
+ mcr p15, 2, r10, c0, c0, 0 @ select current cache level
+ @ in cssr
+ mov r2, #0 @ operand for mcr SBZ
+ mcr p15, 0, r2, c7, c5, 4 @ flush prefetch buffer to
+ @ sych the new cssr&csidr,
+ @ with armv7 this is 'isb',
+ @ but we compile with armv5
+ mrc p15, 1, r1, c0, c0, 0 @ read the new csidr
+ and r2, r1, #7 @ extract the length of the
+ @ cache lines
+ add r2, r2, #4 @ add 4 (line length offset)
+ ldr r4, =0x3ff
+ ands r4, r4, r1, lsr #3 @ find maximum number on the
+ @ way size
+ clz r5, r4 @ find bit position of way
+ @ size increment
+ ldr r7, =0x7fff
+ ands r7, r7, r1, lsr #13 @ extract max number of the
+ @ index size
+inval_loop2:
+ mov r9, r4 @ create working copy of max
+ @ way size
+inval_loop3:
+ orr r11, r10, r9, lsl r5 @ factor way and cache number
+ @ into r11
+ orr r11, r11, r7, lsl r2 @ factor index number into r11
+ mcr p15, 0, r11, c7, c6, 2 @ invalidate by set/way
+ subs r9, r9, #1 @ decrement the way
+ bge inval_loop3
+ subs r7, r7, #1 @ decrement the index
+ bge inval_loop2
+skip_inval:
+ add r10, r10, #2 @ increment cache number
+ cmp r3, r10
+ bgt inval_loop1
+finished_inval:
+ mov r10, #0 @ swith back to cache level 0
+ mcr p15, 2, r10, c0, c0, 0 @ select current cache level
+ @ in cssr
+ mcr p15, 0, r10, c7, c5, 4 @ flush prefetch buffer,
+ @ with armv7 this is 'isb',
+ @ but we compile with armv5
+
+ ldmfd r13!, {r0 - r5, r7, r9 - r12, pc}
+
+l2_cache_enable:
+ push {r0, r1, r2, lr}
+ mrc 15, 0, r3, cr1, cr0, 1
+ orr r3, r3, #2
+ mcr 15, 0, r3, cr1, cr0, 1
+ pop {r1, r2, r3, pc}
+
+l2_cache_disable:
+ push {r0, r1, r2, lr}
+ mrc 15, 0, r3, cr1, cr0, 1
+ bic r3, r3, #2
+ mcr 15, 0, r3, cr1, cr0, 1
+ pop {r1, r2, r3, pc}
--- /dev/null
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ * Heungjun Kim <riverful.kim@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/clk.h>
+
+#define CLK_M 0
+#define CLK_D 1
+#define CLK_P 2
+
+#ifndef CONFIG_SYS_CLK_FREQ_C100
+#define CONFIG_SYS_CLK_FREQ_C100 12000000
+#endif
+#ifndef CONFIG_SYS_CLK_FREQ_C110
+#define CONFIG_SYS_CLK_FREQ_C110 24000000
+#endif
+
+unsigned long (*get_pclk)(void);
+unsigned long (*get_arm_clk)(void);
+unsigned long (*get_pll_clk)(int);
+
+/* s5pc110: return pll clock frequency */
+static unsigned long s5pc100_get_pll_clk(int pllreg)
+{
+ struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long r, m, p, s, mask, fout;
+ unsigned int freq;
+
+ switch (pllreg) {
+ case APLL:
+ r = readl(&clk->apll_con);
+ break;
+ case MPLL:
+ r = readl(&clk->mpll_con);
+ break;
+ case EPLL:
+ r = readl(&clk->epll_con);
+ break;
+ case HPLL:
+ r = readl(&clk->hpll_con);
+ break;
+ default:
+ printf("Unsupported PLL (%d)\n", pllreg);
+ return 0;
+ }
+
+ /*
+ * APLL_CON: MIDV [25:16]
+ * MPLL_CON: MIDV [23:16]
+ * EPLL_CON: MIDV [23:16]
+ * HPLL_CON: MIDV [23:16]
+ */
+ if (pllreg == APLL)
+ mask = 0x3ff;
+ else
+ mask = 0x0ff;
+
+ m = (r >> 16) & mask;
+
+ /* PDIV [13:8] */
+ p = (r >> 8) & 0x3f;
+ /* SDIV [2:0] */
+ s = r & 0x7;
+
+ /* FOUT = MDIV * FIN / (PDIV * 2^SDIV) */
+ freq = CONFIG_SYS_CLK_FREQ_C100;
+ fout = m * (freq / (p * (1 << s)));
+
+ return fout;
+}
+
+/* s5pc100: return pll clock frequency */
+static unsigned long s5pc110_get_pll_clk(int pllreg)
+{
+ struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long r, m, p, s, mask, fout;
+ unsigned int freq;
+
+ switch (pllreg) {
+ case APLL:
+ r = readl(&clk->apll_con);
+ break;
+ case MPLL:
+ r = readl(&clk->mpll_con);
+ break;
+ case EPLL:
+ r = readl(&clk->epll_con);
+ break;
+ case VPLL:
+ r = readl(&clk->vpll_con);
+ break;
+ default:
+ printf("Unsupported PLL (%d)\n", pllreg);
+ return 0;
+ }
+
+ /*
+ * APLL_CON: MIDV [25:16]
+ * MPLL_CON: MIDV [25:16]
+ * EPLL_CON: MIDV [24:16]
+ * VPLL_CON: MIDV [24:16]
+ */
+ if (pllreg == APLL || pllreg == MPLL)
+ mask = 0x3ff;
+ else
+ mask = 0x1ff;
+
+ m = (r >> 16) & mask;
+
+ /* PDIV [13:8] */
+ p = (r >> 8) & 0x3f;
+ /* SDIV [2:0] */
+ s = r & 0x7;
+
+ freq = CONFIG_SYS_CLK_FREQ_C110;
+ if (pllreg == APLL) {
+ if (s < 1)
+ s = 1;
+ /* FOUT = MDIV * FIN / (PDIV * 2^(SDIV - 1)) */
+ fout = m * (freq / (p * (1 << (s - 1))));
+ } else
+ /* FOUT = MDIV * FIN / (PDIV * 2^SDIV) */
+ fout = m * (freq / (p * (1 << s)));
+
+ return fout;
+}
+
+/* s5pc110: return ARM clock frequency */
+static unsigned long s5pc110_get_arm_clk(void)
+{
+ struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long div;
+ unsigned long dout_apll, armclk;
+ unsigned int apll_ratio;
+
+ div = readl(&clk->div0);
+
+ /* APLL_RATIO: [2:0] */
+ apll_ratio = div & 0x7;
+
+ dout_apll = get_pll_clk(APLL) / (apll_ratio + 1);
+ armclk = dout_apll;
+
+ return armclk;
+}
+
+/* s5pc100: return ARM clock frequency */
+static unsigned long s5pc100_get_arm_clk(void)
+{
+ struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long div;
+ unsigned long dout_apll, armclk;
+ unsigned int apll_ratio, arm_ratio;
+
+ div = readl(&clk->div0);
+
+ /* ARM_RATIO: [6:4] */
+ arm_ratio = (div >> 4) & 0x7;
+ /* APLL_RATIO: [0] */
+ apll_ratio = div & 0x1;
+
+ dout_apll = get_pll_clk(APLL) / (apll_ratio + 1);
+ armclk = dout_apll / (arm_ratio + 1);
+
+ return armclk;
+}
+
+/* s5pc100: return HCLKD0 frequency */
+static unsigned long get_hclk(void)
+{
+ struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long hclkd0;
+ uint div, d0_bus_ratio;
+
+ div = readl(&clk->div0);
+ /* D0_BUS_RATIO: [10:8] */
+ d0_bus_ratio = (div >> 8) & 0x7;
+
+ hclkd0 = get_arm_clk() / (d0_bus_ratio + 1);
+
+ return hclkd0;
+}
+
+/* s5pc100: return PCLKD1 frequency */
+static unsigned long get_pclkd1(void)
+{
+ struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long d1_bus, pclkd1;
+ uint div, d1_bus_ratio, pclkd1_ratio;
+
+ div = readl(&clk->div0);
+ /* D1_BUS_RATIO: [14:12] */
+ d1_bus_ratio = (div >> 12) & 0x7;
+ /* PCLKD1_RATIO: [18:16] */
+ pclkd1_ratio = (div >> 16) & 0x7;
+
+ /* ASYNC Mode */
+ d1_bus = get_pll_clk(MPLL) / (d1_bus_ratio + 1);
+ pclkd1 = d1_bus / (pclkd1_ratio + 1);
+
+ return pclkd1;
+}
+
+/* s5pc110: return HCLKs frequency */
+static unsigned long get_hclk_sys(int dom)
+{
+ struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long hclk;
+ unsigned int div;
+ unsigned int offset;
+ unsigned int hclk_sys_ratio;
+
+ if (dom == CLK_M)
+ return get_hclk();
+
+ div = readl(&clk->div0);
+
+ /*
+ * HCLK_MSYS_RATIO: [10:8]
+ * HCLK_DSYS_RATIO: [19:16]
+ * HCLK_PSYS_RATIO: [27:24]
+ */
+ offset = 8 + (dom << 0x3);
+
+ hclk_sys_ratio = (div >> offset) & 0xf;
+
+ hclk = get_pll_clk(MPLL) / (hclk_sys_ratio + 1);
+
+ return hclk;
+}
+
+/* s5pc110: return PCLKs frequency */
+static unsigned long get_pclk_sys(int dom)
+{
+ struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
+ unsigned long pclk;
+ unsigned int div;
+ unsigned int offset;
+ unsigned int pclk_sys_ratio;
+
+ div = readl(&clk->div0);
+
+ /*
+ * PCLK_MSYS_RATIO: [14:12]
+ * PCLK_DSYS_RATIO: [22:20]
+ * PCLK_PSYS_RATIO: [30:28]
+ */
+ offset = 12 + (dom << 0x3);
+
+ pclk_sys_ratio = (div >> offset) & 0x7;
+
+ pclk = get_hclk_sys(dom) / (pclk_sys_ratio + 1);
+
+ return pclk;
+}
+
+/* s5pc110: return peripheral clock frequency */
+static unsigned long s5pc110_get_pclk(void)
+{
+ return get_pclk_sys(CLK_P);
+}
+
+/* s5pc100: return peripheral clock frequency */
+static unsigned long s5pc100_get_pclk(void)
+{
+ return get_pclkd1();
+}
+
+void s5pc1xx_clock_init(void)
+{
+ if (cpu_is_s5pc110()) {
+ get_pll_clk = s5pc110_get_pll_clk;
+ get_arm_clk = s5pc110_get_arm_clk;
+ get_pclk = s5pc110_get_pclk;
+ } else {
+ get_pll_clk = s5pc100_get_pll_clk;
+ get_arm_clk = s5pc100_get_arm_clk;
+ get_pclk = s5pc100_get_pclk;
+ }
+}
--- /dev/null
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clk.h>
+
+/* Default is s5pc100 */
+unsigned int s5pc1xx_cpu_id = 0xC100;
+
+#ifdef CONFIG_ARCH_CPU_INIT
+int arch_cpu_init(void)
+{
+ s5pc1xx_cpu_id = readl(S5PC1XX_PRO_ID);
+ s5pc1xx_cpu_id = 0xC000 | ((s5pc1xx_cpu_id & 0x00FFF000) >> 12);
+
+ s5pc1xx_clock_init();
+
+ return 0;
+}
+#endif
+
+u32 get_device_type(void)
+{
+ return s5pc1xx_cpu_id;
+}
+
+#ifdef CONFIG_DISPLAY_CPUINFO
+int print_cpuinfo(void)
+{
+ char buf[32];
+
+ printf("CPU:\tS5P%X@%sMHz\n",
+ s5pc1xx_cpu_id, strmhz(buf, get_arm_clk()));
+
+ return 0;
+}
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2009 Samsung Electronics.
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/arch/cpu.h>
+
+#define S5PC100_SWRESET 0xE0200000
+#define S5PC110_SWRESET 0xE0102000
+
+.globl reset_cpu
+reset_cpu:
+ ldr r1, =S5PC1XX_PRO_ID
+ ldr r2, [r1]
+ ldr r4, =0x00010000
+ and r4, r2, r4
+ cmp r4, #0
+ bne 110f
+ /* S5PC100 */
+ ldr r1, =S5PC100_SWRESET
+ ldr r2, =0xC100
+ b 200f
+110: /* S5PC110 */
+ ldr r1, =S5PC110_SWRESET
+ mov r2, #1
+200:
+ str r2, [r1]
+_loop_forever:
+ b _loop_forever
--- /dev/null
+/*
+ * Copyright (C) 2010 Samsung Electronics
+ * Naveen Krishna Ch <ch.naveen@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/smc.h>
+
+/*
+ * s5pc1xx_config_sromc() - select the proper SROMC Bank and configure the
+ * band width control and bank control registers
+ * srom_bank - SROM Bank 0 to 5
+ * smc_bw_conf - SMC Band witdh reg configuration value
+ * smc_bc_conf - SMC Bank Control reg configuration value
+ */
+void s5pc1xx_config_sromc(u32 srom_bank, u32 smc_bw_conf, u32 smc_bc_conf)
+{
+ u32 tmp;
+ struct s5pc1xx_smc *srom;
+
+ if (cpu_is_s5pc100())
+ srom = (struct s5pc1xx_smc *)S5PC100_SROMC_BASE;
+ else
+ srom = (struct s5pc1xx_smc *)S5PC110_SROMC_BASE;
+
+ /* Configure SMC_BW register to handle proper SROMC bank */
+ tmp = srom->bw;
+ tmp &= ~(0xF << (srom_bank * 4));
+ tmp |= smc_bw_conf;
+ srom->bw = tmp;
+
+ /* Configure SMC_BC register */
+ srom->bc[srom_bank] = smc_bc_conf;
+}
--- /dev/null
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Heungjun Kim <riverful.kim@samsung.com>
+ * Inki Dae <inki.dae@samsung.com>
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/pwm.h>
+#include <asm/arch/clk.h>
+
+#define PRESCALER_1 (16 - 1) /* prescaler of timer 2, 3, 4 */
+#define MUX_DIV_2 1 /* 1/2 period */
+#define MUX_DIV_4 2 /* 1/4 period */
+#define MUX_DIV_8 3 /* 1/8 period */
+#define MUX_DIV_16 4 /* 1/16 period */
+#define MUX4_DIV_SHIFT 16
+
+#define TCON_TIMER4_SHIFT 20
+
+static unsigned long count_value;
+
+/* Internal tick units */
+static unsigned long long timestamp; /* Monotonic incrementing timer */
+static unsigned long lastdec; /* Last decremneter snapshot */
+
+/* macro to read the 16 bit timer */
+static inline struct s5pc1xx_timer *s5pc1xx_get_base_timer(void)
+{
+ if (cpu_is_s5pc110())
+ return (struct s5pc1xx_timer *)S5PC110_TIMER_BASE;
+ else
+ return (struct s5pc1xx_timer *)S5PC100_TIMER_BASE;
+}
+
+int timer_init(void)
+{
+ struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer();
+ u32 val;
+
+ /*
+ * @ PWM Timer 4
+ * Timer Freq(HZ) =
+ * PCLK / { (prescaler_value + 1) * (divider_value) }
+ */
+
+ /* set prescaler : 16 */
+ /* set divider : 2 */
+ writel((PRESCALER_1 & 0xff) << 8, &timer->tcfg0);
+ writel((MUX_DIV_2 & 0xf) << MUX4_DIV_SHIFT, &timer->tcfg1);
+
+ if (count_value == 0) {
+ /* reset initial value */
+ /* count_value = 2085937.5(HZ) (per 1 sec)*/
+ count_value = get_pclk() / ((PRESCALER_1 + 1) *
+ (MUX_DIV_2 + 1));
+
+ /* count_value / 100 = 20859.375(HZ) (per 10 msec) */
+ count_value = count_value / 100;
+ }
+
+ /* set count value */
+ writel(count_value, &timer->tcntb4);
+ lastdec = count_value;
+
+ val = (readl(&timer->tcon) & ~(0x07 << TCON_TIMER4_SHIFT)) |
+ S5PC1XX_TCON4_AUTO_RELOAD;
+
+ /* auto reload & manual update */
+ writel(val | S5PC1XX_TCON4_UPDATE, &timer->tcon);
+
+ /* start PWM timer 4 */
+ writel(val | S5PC1XX_TCON4_START, &timer->tcon);
+
+ timestamp = 0;
+
+ return 0;
+}
+
+/*
+ * timer without interrupts
+ */
+void reset_timer(void)
+{
+ reset_timer_masked();
+}
+
+unsigned long get_timer(unsigned long base)
+{
+ return get_timer_masked() - base;
+}
+
+void set_timer(unsigned long t)
+{
+ timestamp = t;
+}
+
+/* delay x useconds */
+void __udelay(unsigned long usec)
+{
+ unsigned long tmo, tmp;
+
+ if (usec >= 1000) {
+ /*
+ * if "big" number, spread normalization
+ * to seconds
+ * 1. start to normalize for usec to ticks per sec
+ * 2. find number of "ticks" to wait to achieve target
+ * 3. finish normalize.
+ */
+ tmo = usec / 1000;
+ tmo *= (CONFIG_SYS_HZ * count_value / 10);
+ tmo /= 1000;
+ } else {
+ /* else small number, don't kill it prior to HZ multiply */
+ tmo = usec * CONFIG_SYS_HZ * count_value / 10;
+ tmo /= (1000 * 1000);
+ }
+
+ /* get current timestamp */
+ tmp = get_timer(0);
+
+ /* if setting this fordward will roll time stamp */
+ /* reset "advancing" timestamp to 0, set lastdec value */
+ /* else, set advancing stamp wake up time */
+ if ((tmo + tmp + 1) < tmp)
+ reset_timer_masked();
+ else
+ tmo += tmp;
+
+ /* loop till event */
+ while (get_timer_masked() < tmo)
+ ; /* nop */
+}
+
+void reset_timer_masked(void)
+{
+ struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer();
+
+ /* reset time */
+ lastdec = readl(&timer->tcnto4);
+ timestamp = 0;
+}
+
+unsigned long get_timer_masked(void)
+{
+ struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer();
+ unsigned long now = readl(&timer->tcnto4);
+
+ if (lastdec >= now)
+ timestamp += lastdec - now;
+ else
+ timestamp += lastdec + count_value - now;
+
+ lastdec = now;
+
+ return timestamp;
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+ return get_timer(0);
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+unsigned long get_tbclk(void)
+{
+ return CONFIG_SYS_HZ;
+}
--- /dev/null
+/*
+ * armboot - Startup Code for OMAP3530/ARM Cortex CPU-core
+ *
+ * Copyright (c) 2004 Texas Instruments <r-woodruff2@ti.com>
+ *
+ * Copyright (c) 2001 Marius Gröger <mag@sysgo.de>
+ * Copyright (c) 2002 Alex Züpke <azu@sysgo.de>
+ * Copyright (c) 2002 Gary Jennejohn <garyj@denx.de>
+ * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com>
+ * Copyright (c) 2003 Kshitij <kshitij@ti.com>
+ * Copyright (c) 2006-2008 Syed Mohammed Khasim <x0khasim@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <version.h>
+
+.globl _start
+_start: b reset
+ ldr pc, _undefined_instruction
+ ldr pc, _software_interrupt
+ ldr pc, _prefetch_abort
+ ldr pc, _data_abort
+ ldr pc, _not_used
+ ldr pc, _irq
+ ldr pc, _fiq
+
+_undefined_instruction: .word undefined_instruction
+_software_interrupt: .word software_interrupt
+_prefetch_abort: .word prefetch_abort
+_data_abort: .word data_abort
+_not_used: .word not_used
+_irq: .word irq
+_fiq: .word fiq
+_pad: .word 0x12345678 /* now 16*4=64 */
+.global _end_vect
+_end_vect:
+
+ .balignl 16,0xdeadbeef
+/*************************************************************************
+ *
+ * Startup Code (reset vector)
+ *
+ * do important init only if we don't start from memory!
+ * setup Memory and board specific bits prior to relocation.
+ * relocate armboot to ram
+ * setup stack
+ *
+ *************************************************************************/
+
+_TEXT_BASE:
+ .word TEXT_BASE
+
+.globl _armboot_start
+_armboot_start:
+ .word _start
+
+/*
+ * These are defined in the board-specific linker script.
+ */
+.globl _bss_start
+_bss_start:
+ .word __bss_start
+
+.globl _bss_end
+_bss_end:
+ .word _end
+
+#ifdef CONFIG_USE_IRQ
+/* IRQ stack memory (calculated at run-time) */
+.globl IRQ_STACK_START
+IRQ_STACK_START:
+ .word 0x0badc0de
+
+/* IRQ stack memory (calculated at run-time) */
+.globl FIQ_STACK_START
+FIQ_STACK_START:
+ .word 0x0badc0de
+#endif
+
+/*
+ * the actual reset code
+ */
+
+reset:
+ /*
+ * set the cpu to SVC32 mode
+ */
+ mrs r0, cpsr
+ bic r0, r0, #0x1f
+ orr r0, r0, #0xd3
+ msr cpsr,r0
+
+#if (CONFIG_OMAP34XX)
+ /* Copy vectors to mask ROM indirect addr */
+ adr r0, _start @ r0 <- current position of code
+ add r0, r0, #4 @ skip reset vector
+ mov r2, #64 @ r2 <- size to copy
+ add r2, r0, r2 @ r2 <- source end address
+ mov r1, #SRAM_OFFSET0 @ build vect addr
+ mov r3, #SRAM_OFFSET1
+ add r1, r1, r3
+ mov r3, #SRAM_OFFSET2
+ add r1, r1, r3
+next:
+ ldmia r0!, {r3 - r10} @ copy from source address [r0]
+ stmia r1!, {r3 - r10} @ copy to target address [r1]
+ cmp r0, r2 @ until source end address [r2]
+ bne next @ loop until equal */
+#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_ONENAND_BOOT)
+ /* No need to copy/exec the clock code - DPLL adjust already done
+ * in NAND/oneNAND Boot.
+ */
+ bl cpy_clk_code @ put dpll adjust code behind vectors
+#endif /* NAND Boot */
+#endif
+ /* the mask ROM code should have PLL and others stable */
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+ bl cpu_init_crit
+#endif
+
+#ifndef CONFIG_SKIP_RELOCATE_UBOOT
+relocate: @ relocate U-Boot to RAM
+ adr r0, _start @ r0 <- current position of code
+ ldr r1, _TEXT_BASE @ test if we run from flash or RAM
+ cmp r0, r1 @ don't reloc during debug
+ beq stack_setup
+
+ ldr r2, _armboot_start
+ ldr r3, _bss_start
+ sub r2, r3, r2 @ r2 <- size of armboot
+ add r2, r0, r2 @ r2 <- source end address
+
+copy_loop: @ copy 32 bytes at a time
+ ldmia r0!, {r3 - r10} @ copy from source address [r0]
+ stmia r1!, {r3 - r10} @ copy to target address [r1]
+ cmp r0, r2 @ until source end addreee [r2]
+ ble copy_loop
+#endif /* CONFIG_SKIP_RELOCATE_UBOOT */
+
+ /* Set up the stack */
+stack_setup:
+ ldr r0, _TEXT_BASE @ upper 128 KiB: relocated uboot
+ sub r0, r0, #CONFIG_SYS_MALLOC_LEN @ malloc area
+ sub r0, r0, #CONFIG_SYS_GBL_DATA_SIZE @ bdinfo
+#ifdef CONFIG_USE_IRQ
+ sub r0, r0, #(CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ)
+#endif
+ sub sp, r0, #12 @ leave 3 words for abort-stack
+ bic sp, sp, #7 @ 8-byte alignment for ABI compliance
+
+ /* Clear BSS (if any). Is below tx (watch load addr - need space) */
+clear_bss:
+ ldr r0, _bss_start @ find start of bss segment
+ ldr r1, _bss_end @ stop here
+ mov r2, #0x00000000 @ clear value
+clbss_l:
+ str r2, [r0] @ clear BSS location
+ cmp r0, r1 @ are we at the end yet
+ add r0, r0, #4 @ increment clear index pointer
+ bne clbss_l @ keep clearing till at end
+
+ ldr pc, _start_armboot @ jump to C code
+
+_start_armboot: .word start_armboot
+
+
+/*************************************************************************
+ *
+ * CPU_init_critical registers
+ *
+ * setup important registers
+ * setup memory timing
+ *
+ *************************************************************************/
+cpu_init_crit:
+ /*
+ * Invalidate L1 I/D
+ */
+ mov r0, #0 @ set up for MCR
+ mcr p15, 0, r0, c8, c7, 0 @ invalidate TLBs
+ mcr p15, 0, r0, c7, c5, 0 @ invalidate icache
+
+ /*
+ * disable MMU stuff and caches
+ */
+ mrc p15, 0, r0, c1, c0, 0
+ bic r0, r0, #0x00002000 @ clear bits 13 (--V-)
+ bic r0, r0, #0x00000007 @ clear bits 2:0 (-CAM)
+ orr r0, r0, #0x00000002 @ set bit 1 (--A-) Align
+ orr r0, r0, #0x00000800 @ set bit 12 (Z---) BTB
+ mcr p15, 0, r0, c1, c0, 0
+
+ /*
+ * Jump to board specific initialization...
+ * The Mask ROM will have already initialized
+ * basic memory. Go here to bump up clock rate and handle
+ * wake up conditions.
+ */
+ mov ip, lr @ persevere link reg across call
+ bl lowlevel_init @ go setup pll,mux,memory
+ mov lr, ip @ restore link
+ mov pc, lr @ back to my caller
+/*
+ *************************************************************************
+ *
+ * Interrupt handling
+ *
+ *************************************************************************
+ */
+@
+@ IRQ stack frame.
+@
+#define S_FRAME_SIZE 72
+
+#define S_OLD_R0 68
+#define S_PSR 64
+#define S_PC 60
+#define S_LR 56
+#define S_SP 52
+
+#define S_IP 48
+#define S_FP 44
+#define S_R10 40
+#define S_R9 36
+#define S_R8 32
+#define S_R7 28
+#define S_R6 24
+#define S_R5 20
+#define S_R4 16
+#define S_R3 12
+#define S_R2 8
+#define S_R1 4
+#define S_R0 0
+
+#define MODE_SVC 0x13
+#define I_BIT 0x80
+
+/*
+ * use bad_save_user_regs for abort/prefetch/undef/swi ...
+ * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling
+ */
+
+ .macro bad_save_user_regs
+ sub sp, sp, #S_FRAME_SIZE @ carve out a frame on current
+ @ user stack
+ stmia sp, {r0 - r12} @ Save user registers (now in
+ @ svc mode) r0-r12
+
+ ldr r2, _armboot_start
+ sub r2, r2, #(CONFIG_SYS_MALLOC_LEN)
+ sub r2, r2, #(CONFIG_SYS_GBL_DATA_SIZE + 8) @ set base 2 words into abort
+ @ stack
+ ldmia r2, {r2 - r3} @ get values for "aborted" pc
+ @ and cpsr (into parm regs)
+ add r0, sp, #S_FRAME_SIZE @ grab pointer to old stack
+
+ add r5, sp, #S_SP
+ mov r1, lr
+ stmia r5, {r0 - r3} @ save sp_SVC, lr_SVC, pc, cpsr
+ mov r0, sp @ save current stack into r0
+ @ (param register)
+ .endm
+
+ .macro irq_save_user_regs
+ sub sp, sp, #S_FRAME_SIZE
+ stmia sp, {r0 - r12} @ Calling r0-r12
+ add r8, sp, #S_PC @ !! R8 NEEDS to be saved !!
+ @ a reserved stack spot would
+ @ be good.
+ stmdb r8, {sp, lr}^ @ Calling SP, LR
+ str lr, [r8, #0] @ Save calling PC
+ mrs r6, spsr
+ str r6, [r8, #4] @ Save CPSR
+ str r0, [r8, #8] @ Save OLD_R0
+ mov r0, sp
+ .endm
+
+ .macro irq_restore_user_regs
+ ldmia sp, {r0 - lr}^ @ Calling r0 - lr
+ mov r0, r0
+ ldr lr, [sp, #S_PC] @ Get PC
+ add sp, sp, #S_FRAME_SIZE
+ subs pc, lr, #4 @ return & move spsr_svc into
+ @ cpsr
+ .endm
+
+ .macro get_bad_stack
+ ldr r13, _armboot_start @ setup our mode stack (enter
+ @ in banked mode)
+ sub r13, r13, #(CONFIG_SYS_MALLOC_LEN) @ move past malloc pool
+ sub r13, r13, #(CONFIG_SYS_GBL_DATA_SIZE + 8) @ move to reserved a couple
+ @ spots for abort stack
+
+ str lr, [r13] @ save caller lr in position 0
+ @ of saved stack
+ mrs lr, spsr @ get the spsr
+ str lr, [r13, #4] @ save spsr in position 1 of
+ @ saved stack
+
+ mov r13, #MODE_SVC @ prepare SVC-Mode
+ @ msr spsr_c, r13
+ msr spsr, r13 @ switch modes, make sure
+ @ moves will execute
+ mov lr, pc @ capture return pc
+ movs pc, lr @ jump to next instruction &
+ @ switch modes.
+ .endm
+
+ .macro get_bad_stack_swi
+ sub r13, r13, #4 @ space on current stack for
+ @ scratch reg.
+ str r0, [r13] @ save R0's value.
+ ldr r0, _armboot_start @ get data regions start
+ sub r0, r0, #(CONFIG_SYS_MALLOC_LEN) @ move past malloc pool
+ sub r0, r0, #(CONFIG_SYS_GBL_DATA_SIZE + 8) @ move past gbl and a couple
+ @ spots for abort stack
+ str lr, [r0] @ save caller lr in position 0
+ @ of saved stack
+ mrs r0, spsr @ get the spsr
+ str lr, [r0, #4] @ save spsr in position 1 of
+ @ saved stack
+ ldr r0, [r13] @ restore r0
+ add r13, r13, #4 @ pop stack entry
+ .endm
+
+ .macro get_irq_stack @ setup IRQ stack
+ ldr sp, IRQ_STACK_START
+ .endm
+
+ .macro get_fiq_stack @ setup FIQ stack
+ ldr sp, FIQ_STACK_START
+ .endm
+
+/*
+ * exception handlers
+ */
+ .align 5
+undefined_instruction:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_undefined_instruction
+
+ .align 5
+software_interrupt:
+ get_bad_stack_swi
+ bad_save_user_regs
+ bl do_software_interrupt
+
+ .align 5
+prefetch_abort:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_prefetch_abort
+
+ .align 5
+data_abort:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_data_abort
+
+ .align 5
+not_used:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_not_used
+
+#ifdef CONFIG_USE_IRQ
+
+ .align 5
+irq:
+ get_irq_stack
+ irq_save_user_regs
+ bl do_irq
+ irq_restore_user_regs
+
+ .align 5
+fiq:
+ get_fiq_stack
+ /* someone ought to write a more effective fiq_save_user_regs */
+ irq_save_user_regs
+ bl do_fiq
+ irq_restore_user_regs
+
+#else
+
+ .align 5
+irq:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_irq
+
+ .align 5
+fiq:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_fiq
+
+#endif
--- /dev/null
+/*
+ * January 2004 - Changed to support H4 device
+ * Copyright (c) 2004-2008 Texas Instruments
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ arch/arm/cpu/armv7/start.o (.text)
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
+
+ . = ALIGN(4);
+ .data : { *(.data) }
+
+ . = ALIGN(4);
+ .got : { *(.got) }
+
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(4);
+ __bss_start = .;
+ .bss : { *(.bss) }
+ _end = .;
+}
/*
- * needed for arch/arm/cpu/arm_cortexa8/mx51/lowlevel_init.S
+ * needed for arch/arm/cpu/armv7/mx51/lowlevel_init.S
*
* These should be auto-generated
*/
/*
* This the the zoom2, board specific, gpmc configuration for the
* quad uart on the debug board. The more general gpmc configurations
- * are setup at the cpu level in arch/arm/cpu/arm_cortexa8/omap3/mem.c
+ * are setup at the cpu level in arch/arm/cpu/armv7/omap3/mem.c
*
* The details of the setting of the serial gpmc setup are not available.
* The values were provided by another party.
pm9263 arm arm926ejs - ronetix at91
suen3 arm arm926ejs km_arm keymile kirkwood
rd6281a arm arm926ejs - Marvell kirkwood
-mx51evk arm arm_cortexa8 mx51evk freescale mx51
+mx51evk arm armv7 mx51evk freescale mx51
actux1 arm ixp
actux2 arm ixp
actux3 arm ixp
magnesium arm arm926ejs imx27lite logicpd mx27
omap5912osk arm arm926ejs - ti omap
edminiv2 arm arm926ejs - LaCie orion5x
-omap3_overo arm arm_cortexa8 overo - omap3
-omap3_pandora arm arm_cortexa8 pandora - omap3
-omap3_zoom1 arm arm_cortexa8 zoom1 logicpd omap3
-omap3_zoom2 arm arm_cortexa8 zoom2 logicpd omap3
-omap3_beagle arm arm_cortexa8 beagle ti omap3
-omap3_evm arm arm_cortexa8 evm ti omap3
-omap3_sdp3430 arm arm_cortexa8 sdp3430 ti omap3
-am3517_evm arm arm_cortexa8 am3517evm logicpd omap3
-devkit8000 arm arm_cortexa8 devkit8000 timll omap3
-s5p_goni arm arm_cortexa8 goni samsung s5pc1xx
-smdkc100 arm arm_cortexa8 smdkc100 samsung s5pc1xx
+omap3_overo arm armv7 overo - omap3
+omap3_pandora arm armv7 pandora - omap3
+omap3_zoom1 arm armv7 zoom1 logicpd omap3
+omap3_zoom2 arm armv7 zoom2 logicpd omap3
+omap3_beagle arm armv7 beagle ti omap3
+omap3_evm arm armv7 evm ti omap3
+omap3_sdp3430 arm armv7 sdp3430 ti omap3
+am3517_evm arm armv7 am3517evm logicpd omap3
+devkit8000 arm armv7 devkit8000 timll omap3
+s5p_goni arm armv7 goni samsung s5pc1xx
+smdkc100 arm armv7 smdkc100 samsung s5pc1xx
ixdpg425 arm ixp
lpd7a400 arm lh7a40x lpd7a40x
lpd7a404 arm lh7a40x lpd7a40x
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3_AM3517EVM 1 /* working with AM3517EVM */
#define __CONFIG_H
/* High Level Configuration Options */
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
/*
* High Level Configuration Options
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
#define __CONFIG_H
/* High Level Configuration Options */
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_SAMSUNG 1 /* in a SAMSUNG core */
#define CONFIG_S5PC1XX 1 /* which is in a S5PC1XX Family */
#define CONFIG_S5PC110 1 /* which is in a S5PC110 */
* High Level Configuration Options
* (easy to change)
*/
-#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */
+#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
#define CONFIG_SAMSUNG 1 /* in a SAMSUNG core */
#define CONFIG_S5PC1XX 1 /* which is in a S5PC1XX Family */
#define CONFIG_S5PC100 1 /* which is in a S5PC100 */
projects / oweals / u-boot.git / commitdiff