--- /dev/null
+#
+# (C) Copyright 2010,2011 Nvidia Corporation.
+#
+# (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).o
+
+SOBJS := lowlevel_init.o
+COBJS := board.o sys_info.o 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
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.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/tegra2.h>
+#include <asm/arch/pmc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Boot ROM initializes the odmdata in APBDEV_PMC_SCRATCH20_0,
+ * so we are using this value to identify memory size.
+ */
+
+unsigned int query_sdram_size(void)
+{
+ struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+
+ reg = readl(&pmc->pmc_scratch20);
+ debug("pmc->pmc_scratch20 (ODMData) = 0x%08lX\n", reg);
+
+ /* bits 31:28 in OdmData are used for RAM size */
+ switch ((reg) >> 28) {
+ case 1:
+ return 0x10000000; /* 256 MB */
+ case 2:
+ return 0x20000000; /* 512 MB */
+ case 3:
+ default:
+ return 0x40000000; /* 1GB */
+ }
+}
+
+void s_init(void)
+{
+#ifndef CONFIG_ICACHE_OFF
+ icache_enable();
+#endif
+ invalidate_dcache();
+}
+
+int dram_init(void)
+{
+ unsigned long rs;
+
+ /* We do not initialise DRAM here. We just query the size */
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = gd->ram_size = query_sdram_size();
+
+ /* Now check it dynamically */
+ rs = get_ram_size(CONFIG_SYS_SDRAM_BASE, gd->ram_size);
+ if (rs) {
+ printf("dynamic ram_size = %lu\n", rs);
+ gd->bd->bi_dram[0].size = gd->ram_size = rs;
+ }
+ return 0;
+}
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+ printf("Board: %s\n", sysinfo.board_string);
+ return 0;
+}
+#endif /* CONFIG_DISPLAY_BOARDINFO */
--- /dev/null
+#
+# (C) Copyright 2010,2011
+# NVIDIA Corporation <www.nvidia.com>
+#
+# (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
+#
+
+# Use ARMv4 for Tegra2 - initial code runs on the AVP, which is an ARM7TDI.
+PLATFORM_CPPFLAGS += -march=armv4
--- /dev/null
+/*
+ * SoC-specific setup info
+ *
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.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>
+
+_TEXT_BASE:
+ .word CONFIG_SYS_TEXT_BASE @ sdram load addr from config file
+
+.global invalidate_dcache
+invalidate_dcache:
+ mov pc, lr
+
+ .align 5
+.global reset_cpu
+reset_cpu:
+ ldr r1, rstctl @ get addr for global reset
+ @ reg
+ ldr r3, [r1]
+ orr r3, r3, #0x10
+ str r3, [r1] @ force reset
+ mov r0, r0
+_loop_forever:
+ b _loop_forever
+rstctl:
+ .word PRM_RSTCTRL
+
+.globl lowlevel_init
+lowlevel_init:
+ ldr sp, SRAM_STACK
+ str ip, [sp]
+ mov ip, lr
+ bl s_init @ go setup pll, mux & memory
+ ldr ip, [sp]
+ mov lr, ip
+
+ mov pc, lr @ back to arch calling code
+
+ @ the literal pools origin
+ .ltorg
+
+SRAM_STACK:
+ .word LOW_LEVEL_SRAM_STACK
--- /dev/null
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.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>
+
+#ifdef CONFIG_DISPLAY_CPUINFO
+/* Print CPU information */
+int print_cpuinfo(void)
+{
+ puts("TEGRA2\n");
+
+ /* TBD: Add printf of major/minor rev info, stepping, etc. */
+ return 0;
+}
+#endif /* CONFIG_DISPLAY_CPUINFO */
--- /dev/null
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * (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>
+#include <asm/arch/tegra2.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct timerus *timer_base = (struct timerus *)NV_PA_TMRUS_BASE;
+
+/* counter runs at 1MHz */
+#define TIMER_CLK (1000000)
+#define TIMER_LOAD_VAL 0xffffffff
+
+/* 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)
+{
+ gd->tbl = t;
+}
+
+/* delay x useconds */
+void __udelay(unsigned long usec)
+{
+ long tmo = usec * (TIMER_CLK / 1000) / 1000;
+ unsigned long now, last = readl(&timer_base->cntr_1us);
+
+ while (tmo > 0) {
+ now = readl(&timer_base->cntr_1us);
+ 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 */
+ gd->lastinc = readl(&timer_base->cntr_1us) / (TIMER_CLK/CONFIG_SYS_HZ);
+ gd->tbl = 0; /* start "advancing" time stamp from 0 */
+}
+
+ulong get_timer_masked(void)
+{
+ ulong now;
+
+ /* current tick value */
+ now = readl(&timer_base->cntr_1us) / (TIMER_CLK / CONFIG_SYS_HZ);
+
+ if (now >= gd->lastinc) /* normal mode (non roll) */
+ /* move stamp forward with absolute diff ticks */
+ gd->tbl += (now - gd->lastinc);
+ else /* we have rollover of incrementer */
+ gd->tbl += ((TIMER_LOAD_VAL / (TIMER_CLK / CONFIG_SYS_HZ))
+ - gd->lastinc) + now;
+ gd->lastinc = now;
+ return gd->tbl;
+}
+
+/*
+ * 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 2010,2011
+ * NVIDIA Corporation <www.nvidia.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
+ */
+
+#ifndef _CLK_RST_H_
+#define _CLK_RST_H_
+
+/* Clock/Reset Controller (CLK_RST_CONTROLLER_) regs */
+struct clk_rst_ctlr {
+ uint crc_rst_src; /* _RST_SOURCE_0, 0x00 */
+ uint crc_rst_dev_l; /* _RST_DEVICES_L_0, 0x04 */
+ uint crc_rst_dev_h; /* _RST_DEVICES_H_0, 0x08 */
+ uint crc_rst_dev_u; /* _RST_DEVICES_U_0, 0x0C */
+ uint crc_clk_out_enb_l; /* _CLK_OUT_ENB_L_0, 0x10 */
+ uint crc_clk_out_enb_h; /* _CLK_OUT_ENB_H_0, 0x14 */
+ uint crc_clk_out_enb_u; /* _CLK_OUT_ENB_U_0, 0x18 */
+ uint crc_reserved0; /* reserved_0, 0x1C */
+ uint crc_cclk_brst_pol; /* _CCLK_BURST_POLICY_0,0x20 */
+ uint crc_super_cclk_div; /* _SUPER_CCLK_DIVIDER_0,0x24 */
+ uint crc_sclk_brst_pol; /* _SCLK_BURST_POLICY_0, 0x28 */
+ uint crc_super_sclk_div; /* _SUPER_SCLK_DIVIDER_0,0x2C */
+ uint crc_clk_sys_rate; /* _CLK_SYSTEM_RATE_0, 0x30 */
+ uint crc_prog_dly_clk; /* _PROG_DLY_CLK_0, 0x34 */
+ uint crc_aud_sync_clk_rate; /* _AUDIO_SYNC_CLK_RATE_0,0x38 */
+ uint crc_reserved1; /* reserved_1, 0x3C */
+ uint crc_cop_clk_skip_plcy; /* _COP_CLK_SKIP_POLICY_0,0x40 */
+ uint crc_clk_mask_arm; /* _CLK_MASK_ARM_0, 0x44 */
+ uint crc_misc_clk_enb; /* _MISC_CLK_ENB_0, 0x48 */
+ uint crc_clk_cpu_cmplx; /* _CLK_CPU_CMPLX_0, 0x4C */
+ uint crc_osc_ctrl; /* _OSC_CTRL_0, 0x50 */
+ uint crc_pll_lfsr; /* _PLL_LFSR_0, 0x54 */
+ uint crc_osc_freq_det; /* _OSC_FREQ_DET_0, 0x58 */
+ uint crc_osc_freq_det_stat; /* _OSC_FREQ_DET_STATUS_0,0x5C */
+ uint crc_reserved2[8]; /* reserved_2[8], 0x60-7C */
+
+ uint crc_pllc_base; /* _PLLC_BASE_0, 0x80 */
+ uint crc_pllc_out; /* _PLLC_OUT_0, 0x84 */
+ uint crc_reserved3; /* reserved_3, 0x88 */
+ uint crc_pllc_misc; /* _PLLC_MISC_0, 0x8C */
+
+ uint crc_pllm_base; /* _PLLM_BASE_0, 0x90 */
+ uint crc_pllm_out; /* _PLLM_OUT_0, 0x94 */
+ uint crc_reserved4; /* reserved_4, 0x98 */
+ uint crc_pllm_misc; /* _PLLM_MISC_0, 0x9C */
+
+ uint crc_pllp_base; /* _PLLP_BASE_0, 0xA0 */
+ uint crc_pllp_outa; /* _PLLP_OUTA_0, 0xA4 */
+ uint crc_pllp_outb; /* _PLLP_OUTB_0, 0xA8 */
+ uint crc_pllp_misc; /* _PLLP_MISC_0, 0xAC */
+
+ uint crc_plla_base; /* _PLLA_BASE_0, 0xB0 */
+ uint crc_plla_out; /* _PLLA_OUT_0, 0xB4 */
+ uint crc_reserved5; /* reserved_5, 0xB8 */
+ uint crc_plla_misc; /* _PLLA_MISC_0, 0xBC */
+
+ uint crc_pllu_base; /* _PLLU_BASE_0, 0xC0 */
+ uint crc_reserved6; /* _reserved_6, 0xC4 */
+ uint crc_reserved7; /* _reserved_7, 0xC8 */
+ uint crc_pllu_misc; /* _PLLU_MISC_0, 0xCC */
+
+ uint crc_plld_base; /* _PLLD_BASE_0, 0xD0 */
+ uint crc_reserved8; /* _reserved_8, 0xD4 */
+ uint crc_reserved9; /* _reserved_9, 0xD8 */
+ uint crc_plld_misc; /* _PLLD_MISC_0, 0xDC */
+
+ uint crc_pllx_base; /* _PLLX_BASE_0, 0xE0 */
+ uint crc_pllx_misc; /* _PLLX_MISC_0, 0xE4 */
+
+ uint crc_plle_base; /* _PLLE_BASE_0, 0xE8 */
+ uint crc_plle_misc; /* _PLLE_MISC_0, 0xEC */
+
+ uint crc_plls_base; /* _PLLS_BASE_0, 0xF0 */
+ uint crc_plls_misc; /* _PLLS_MISC_0, 0xF4 */
+ uint crc_reserved10; /* _reserved_10, 0xF8 */
+ uint crc_reserved11; /* _reserved_11, 0xFC */
+
+ uint crc_clk_src_i2s1; /*_I2S1_0, 0x100 */
+ uint crc_clk_src_i2s2; /*_I2S2_0, 0x104 */
+ uint crc_clk_src_spdif_out; /*_SPDIF_OUT_0, 0x108 */
+ uint crc_clk_src_spdif_in; /*_SPDIF_IN_0, 0x10C */
+ uint crc_clk_src_pwm; /*_PWM_0, 0x110 */
+ uint crc_clk_src_spi1; /*_SPI1_0, 0x114 */
+ uint crc_clk_src_sbc2; /*_SBC2_0, 0x118 */
+ uint crc_clk_src_sbc3; /*_SBC3_0, 0x11C */
+ uint crc_clk_src_xio; /*_XIO_0, 0x120 */
+ uint crc_clk_src_i2c1; /*_I2C1_0, 0x124 */
+ uint crc_clk_src_dvc_i2c; /*_DVC_I2C_0, 0x128 */
+ uint crc_clk_src_twc; /*_TWC_0, 0x12C */
+ uint crc_reserved12; /* 0x130 */
+ uint crc_clk_src_sbc1; /*_SBC1_0, 0x134 */
+ uint crc_clk_src_disp1; /*_DISP1_0, 0x138 */
+ uint crc_clk_src_disp2; /*_DISP2_0, 0x13C */
+ uint crc_clk_src_cve; /*_CVE_0, 0x140 */
+ uint crc_clk_src_ide; /*_IDE_0, 0x144 */
+ uint crc_clk_src_vi; /*_VI_0, 0x148 */
+ uint crc_reserved13; /* 0x14C */
+ uint crc_clk_src_sdmmc1; /*_SDMMC1_0, 0x150 */
+ uint crc_clk_src_sdmmc2; /*_SDMMC2_0, 0x154 */
+ uint crc_clk_src_g3d; /*_G3D_0, 0x158 */
+ uint crc_clk_src_g2d; /*_G2D_0, 0x15C */
+ uint crc_clk_src_ndflash; /*_NDFLASH_0, 0x160 */
+ uint crc_clk_src_sdmmc4; /*_SDMMC4_0, 0x164 */
+ uint crc_clk_src_vfir; /*_VFIR_0, 0x168 */
+ uint crc_clk_src_epp; /*_EPP_0, 0x16C */
+ uint crc_clk_src_mp3; /*_MPE_0, 0x170 */
+ uint crc_clk_src_mipi; /*_MIPI_0, 0x174 */
+ uint crc_clk_src_uarta; /*_UARTA_0, 0x178 */
+ uint crc_clk_src_uartb; /*_UARTB_0, 0x17C */
+ uint crc_clk_src_host1x; /*_HOST1X_0, 0x180 */
+ uint crc_reserved14; /* 0x184 */
+ uint crc_clk_src_tvo; /*_TVO_0, 0x188 */
+ uint crc_clk_src_hdmi; /*_HDMI_0, 0x18C */
+ uint crc_reserved15; /* 0x190 */
+ uint crc_clk_src_tvdac; /*_TVDAC_0, 0x194 */
+ uint crc_clk_src_i2c2; /*_I2C2_0, 0x198 */
+ uint crc_clk_src_emc; /*_EMC_0, 0x19C */
+ uint crc_clk_src_uartc; /*_UARTC_0, 0x1A0 */
+ uint crc_reserved16; /* 0x1A4 */
+ uint crc_clk_src_vi_sensor; /*_VI_SENSOR_0, 0x1A8 */
+ uint crc_reserved17; /* 0x1AC */
+ uint crc_reserved18; /* 0x1B0 */
+ uint crc_clk_src_sbc4; /*_SBC4_0, 0x1B4 */
+ uint crc_clk_src_i2c3; /*_I2C3_0, 0x1B8 */
+ uint crc_clk_src_sdmmc3; /*_SDMMC3_0, 0x1BC */
+ uint crc_clk_src_uartd; /*_UARTD_0, 0x1C0 */
+ uint crc_clk_src_uarte; /*_UARTE_0, 0x1C4 */
+ uint crc_clk_src_vde; /*_VDE_0, 0x1C8 */
+ uint crc_clk_src_owr; /*_OWR_0, 0x1CC */
+ uint crc_clk_src_nor; /*_NOR_0, 0x1D0 */
+ uint crc_clk_src_csite; /*_CSITE_0, 0x1D4 */
+ uint crc_reserved19[9]; /* 0x1D8-1F8 */
+ uint crc_clk_src_osc; /*_OSC_0, 0x1FC */
+};
+
+#define PLL_BYPASS (1 << 31)
+#define PLL_ENABLE (1 << 30)
+#define PLL_BASE_OVRRIDE (1 << 28)
+#define PLL_DIVP (1 << 20) /* post divider, b22:20 */
+#define PLL_DIVM 0x0C /* input divider, b4:0 */
+
+#define SWR_UARTD_RST (1 << 2)
+#define CLK_ENB_UARTD (1 << 2)
+#define SWR_UARTA_RST (1 << 6)
+#define CLK_ENB_UARTA (1 << 6)
+
+#endif /* CLK_RST_H */
--- /dev/null
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.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
+ */
+
+#ifndef _PINMUX_H_
+#define _PINMUX_H_
+
+/* APB MISC Pin Mux and Tristate (APB_MISC_PP_) registers */
+struct pmux_tri_ctlr {
+ uint pmt_reserved0; /* ABP_MISC_PP_ reserved offset 00 */
+ uint pmt_reserved1; /* ABP_MISC_PP_ reserved offset 04 */
+ uint pmt_strap_opt_a; /* _STRAPPING_OPT_A_0, offset 08 */
+ uint pmt_reserved2; /* ABP_MISC_PP_ reserved offset 0C */
+ uint pmt_reserved3; /* ABP_MISC_PP_ reserved offset 10 */
+ uint pmt_tri_a; /* _TRI_STATE_REG_A_0, offset 14 */
+ uint pmt_tri_b; /* _TRI_STATE_REG_B_0, offset 18 */
+ uint pmt_tri_c; /* _TRI_STATE_REG_C_0, offset 1C */
+ uint pmt_tri_d; /* _TRI_STATE_REG_D_0, offset 20 */
+ uint pmt_cfg_ctl; /* _CONFIG_CTL_0, offset 24 */
+
+ uint pmt_reserved[22]; /* ABP_MISC_PP_ reserved offs 28-7C */
+
+ uint pmt_ctl_a; /* _PIN_MUX_CTL_A_0, offset 80 */
+ uint pmt_ctl_b; /* _PIN_MUX_CTL_B_0, offset 84 */
+ uint pmt_ctl_c; /* _PIN_MUX_CTL_C_0, offset 88 */
+ uint pmt_ctl_d; /* _PIN_MUX_CTL_D_0, offset 8C */
+ uint pmt_ctl_e; /* _PIN_MUX_CTL_E_0, offset 90 */
+ uint pmt_ctl_f; /* _PIN_MUX_CTL_F_0, offset 94 */
+ uint pmt_ctl_g; /* _PIN_MUX_CTL_G_0, offset 98 */
+};
+
+#define Z_GMC (1 << 29)
+#define Z_IRRX (1 << 20)
+#define Z_IRTX (1 << 19)
+
+#endif /* PINMUX_H */
--- /dev/null
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.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
+ */
+
+#ifndef _PMC_H_
+#define _PMC_H_
+
+/* Power Management Controller (APBDEV_PMC_) registers */
+struct pmc_ctlr {
+ uint pmc_cntrl; /* _CNTRL_0, offset 00 */
+ uint pmc_sec_disable; /* _SEC_DISABLE_0, offset 04 */
+ uint pmc_pmc_swrst; /* _PMC_SWRST_0, offset 08 */
+ uint pmc_wake_mask; /* _WAKE_MASK_0, offset 0C */
+ uint pmc_wake_lvl; /* _WAKE_LVL_0, offset 10 */
+ uint pmc_wake_status; /* _WAKE_STATUS_0, offset 14 */
+ uint pmc_sw_wake_status; /* _SW_WAKE_STATUS_0, offset 18 */
+ uint pmc_dpd_pads_oride; /* _DPD_PADS_ORIDE_0, offset 1C */
+ uint pmc_dpd_sample; /* _DPD_PADS_SAMPLE_0, offset 20 */
+ uint pmc_dpd_enable; /* _DPD_PADS_ENABLE_0, offset 24 */
+ uint pmc_pwrgate_timer_off; /* _PWRGATE_TIMER_OFF_0, offset 28 */
+ uint pmc_pwrgate_timer_on; /* _PWRGATE_TIMER_ON_0, offset 2C */
+ uint pmc_pwrgate_toggle; /* _PWRGATE_TOGGLE_0, offset 30 */
+ uint pmc_remove_clamping; /* _REMOVE_CLAMPING_CMD_0, offset 34 */
+ uint pmc_pwrgate_status; /* _PWRGATE_STATUS_0, offset 38 */
+ uint pmc_pwrgood_timer; /* _PWRGOOD_TIMER_0, offset 3C */
+ uint pmc_blink_timer; /* _BLINK_TIMER_0, offset 40 */
+ uint pmc_no_iopower; /* _NO_IOPOWER_0, offset 44 */
+ uint pmc_pwr_det; /* _PWR_DET_0, offset 48 */
+ uint pmc_pwr_det_latch; /* _PWR_DET_LATCH_0, offset 4C */
+
+ uint pmc_scratch0; /* _SCRATCH0_0, offset 50 */
+ uint pmc_scratch1; /* _SCRATCH1_0, offset 54 */
+ uint pmc_scratch2; /* _SCRATCH2_0, offset 58 */
+ uint pmc_scratch3; /* _SCRATCH3_0, offset 5C */
+ uint pmc_scratch4; /* _SCRATCH4_0, offset 60 */
+ uint pmc_scratch5; /* _SCRATCH5_0, offset 64 */
+ uint pmc_scratch6; /* _SCRATCH6_0, offset 68 */
+ uint pmc_scratch7; /* _SCRATCH7_0, offset 6C */
+ uint pmc_scratch8; /* _SCRATCH8_0, offset 70 */
+ uint pmc_scratch9; /* _SCRATCH9_0, offset 74 */
+ uint pmc_scratch10; /* _SCRATCH10_0, offset 78 */
+ uint pmc_scratch11; /* _SCRATCH11_0, offset 7C */
+ uint pmc_scratch12; /* _SCRATCH12_0, offset 80 */
+ uint pmc_scratch13; /* _SCRATCH13_0, offset 84 */
+ uint pmc_scratch14; /* _SCRATCH14_0, offset 88 */
+ uint pmc_scratch15; /* _SCRATCH15_0, offset 8C */
+ uint pmc_scratch16; /* _SCRATCH16_0, offset 90 */
+ uint pmc_scratch17; /* _SCRATCH17_0, offset 94 */
+ uint pmc_scratch18; /* _SCRATCH18_0, offset 98 */
+ uint pmc_scratch19; /* _SCRATCH19_0, offset 9C */
+ uint pmc_scratch20; /* _SCRATCH20_0, offset A0 */
+ uint pmc_scratch21; /* _SCRATCH21_0, offset A4 */
+ uint pmc_scratch22; /* _SCRATCH22_0, offset A8 */
+ uint pmc_scratch23; /* _SCRATCH23_0, offset AC */
+
+ uint pmc_secure_scratch0; /* _SECURE_SCRATCH0_0, offset B0 */
+ uint pmc_secure_scratch1; /* _SECURE_SCRATCH1_0, offset B4 */
+ uint pmc_secure_scratch2; /* _SECURE_SCRATCH2_0, offset B8 */
+ uint pmc_secure_scratch3; /* _SECURE_SCRATCH3_0, offset BC */
+ uint pmc_secure_scratch4; /* _SECURE_SCRATCH4_0, offset C0 */
+ uint pmc_secure_scratch5; /* _SECURE_SCRATCH5_0, offset C4 */
+
+ uint pmc_cpupwrgood_timer; /* _CPUPWRGOOD_TIMER_0, offset C8 */
+ uint pmc_cpupwroff_timer; /* _CPUPWROFF_TIMER_0, offset CC */
+ uint pmc_pg_mask; /* _PG_MASK_0, offset D0 */
+ uint pmc_pg_mask_1; /* _PG_MASK_1_0, offset D4 */
+ uint pmc_auto_wake_lvl; /* _AUTO_WAKE_LVL_0, offset D8 */
+ uint pmc_auto_wake_lvl_mask; /* _AUTO_WAKE_LVL_MASK_0, offset DC */
+ uint pmc_wake_delay; /* _WAKE_DELAY_0, offset E0 */
+ uint pmc_pwr_det_val; /* _PWR_DET_VAL_0, offset E4 */
+ uint pmc_ddr_pwr; /* _DDR_PWR_0, offset E8 */
+ uint pmc_usb_debounce_del; /* _USB_DEBOUNCE_DEL_0, offset EC */
+ uint pmc_usb_ao; /* _USB_AO_0, offset F0 */
+ uint pmc_crypto_op; /* _CRYPTO_OP__0, offset F4 */
+ uint pmc_pllp_wb0_override; /* _PLLP_WB0_OVERRIDE_0, offset F8 */
+
+ uint pmc_scratch24; /* _SCRATCH24_0, offset FC */
+ uint pmc_scratch25; /* _SCRATCH24_0, offset 100 */
+ uint pmc_scratch26; /* _SCRATCH24_0, offset 104 */
+ uint pmc_scratch27; /* _SCRATCH24_0, offset 108 */
+ uint pmc_scratch28; /* _SCRATCH24_0, offset 10C */
+ uint pmc_scratch29; /* _SCRATCH24_0, offset 110 */
+ uint pmc_scratch30; /* _SCRATCH24_0, offset 114 */
+ uint pmc_scratch31; /* _SCRATCH24_0, offset 118 */
+ uint pmc_scratch32; /* _SCRATCH24_0, offset 11C */
+ uint pmc_scratch33; /* _SCRATCH24_0, offset 120 */
+ uint pmc_scratch34; /* _SCRATCH24_0, offset 124 */
+ uint pmc_scratch35; /* _SCRATCH24_0, offset 128 */
+ uint pmc_scratch36; /* _SCRATCH24_0, offset 12C */
+ uint pmc_scratch37; /* _SCRATCH24_0, offset 130 */
+ uint pmc_scratch38; /* _SCRATCH24_0, offset 134 */
+ uint pmc_scratch39; /* _SCRATCH24_0, offset 138 */
+ uint pmc_scratch40; /* _SCRATCH24_0, offset 13C */
+ uint pmc_scratch41; /* _SCRATCH24_0, offset 140 */
+ uint pmc_scratch42; /* _SCRATCH24_0, offset 144 */
+
+ uint pmc_bo_mirror0; /* _BOUNDOUT_MIRROR0_0, offset 148 */
+ uint pmc_bo_mirror1; /* _BOUNDOUT_MIRROR1_0, offset 14C */
+ uint pmc_bo_mirror2; /* _BOUNDOUT_MIRROR2_0, offset 150 */
+ uint pmc_sys_33v_en; /* _SYS_33V_EN_0, offset 154 */
+ uint pmc_bo_mirror_access; /* _BOUNDOUT_MIRROR_ACCESS_0, off158 */
+ uint pmc_gate; /* _GATE_0, offset 15C */
+};
+
+#endif /* PMC_H */
--- /dev/null
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.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
+ */
+
+#ifndef _SYS_PROTO_H_
+#define _SYS_PROTO_H_
+
+struct tegra2_sysinfo {
+ char *board_string;
+};
+
+void invalidate_dcache(void);
+
+extern const struct tegra2_sysinfo sysinfo;
+
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.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
+ */
+
+#ifndef _TEGRA2_H_
+#define _TEGRA2_H_
+
+#define NV_PA_SDRAM_BASE 0x00000000
+#define NV_PA_TMRUS_BASE 0x60005010
+#define NV_PA_CLK_RST_BASE 0x60006000
+#define NV_PA_APB_MISC_BASE 0x70000000
+#define NV_PA_APB_UARTA_BASE (NV_PA_APB_MISC_BASE + 0x6000)
+#define NV_PA_APB_UARTB_BASE (NV_PA_APB_MISC_BASE + 0x6040)
+#define NV_PA_APB_UARTC_BASE (NV_PA_APB_MISC_BASE + 0x6200)
+#define NV_PA_APB_UARTD_BASE (NV_PA_APB_MISC_BASE + 0x6300)
+#define NV_PA_APB_UARTE_BASE (NV_PA_APB_MISC_BASE + 0x6400)
+#define NV_PA_PMC_BASE 0x7000E400
+
+#define TEGRA2_SDRC_CS0 NV_PA_SDRAM_BASE
+#define LOW_LEVEL_SRAM_STACK 0x4000FFFC
+
+#ifndef __ASSEMBLY__
+struct timerus {
+ unsigned int cntr_1us;
+};
+#else /* __ASSEMBLY__ */
+#define PRM_RSTCTRL NV_PA_PMC_BASE
+#endif
+
+#endif /* TEGRA2_H */
--- /dev/null
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.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
+ */
+
+#ifndef _UART_H_
+#define _UART_H_
+
+/* UART registers */
+struct uart_ctlr {
+ uint uart_thr_dlab_0; /* UART_THR_DLAB_0_0, offset 00 */
+ uint uart_ier_dlab_0; /* UART_IER_DLAB_0_0, offset 04 */
+ uint uart_iir_fcr; /* UART_IIR_FCR_0, offset 08 */
+ uint uart_lcr; /* UART_LCR_0, offset 0C */
+ uint uart_mcr; /* UART_MCR_0, offset 10 */
+ uint uart_lsr; /* UART_LSR_0, offset 14 */
+ uint uart_msr; /* UART_MSR_0, offset 18 */
+ uint uart_spr; /* UART_SPR_0, offset 1C */
+ uint uart_irda_csr; /* UART_IRDA_CSR_0, offset 20 */
+ uint uart_reserved[6]; /* Reserved, unused, offset 24-38*/
+ uint uart_asr; /* UART_ASR_0, offset 3C */
+};
+
+#define NVRM_PLLP_FIXED_FREQ_KHZ 216000
+#define NV_DEFAULT_DEBUG_BAUD 115200
+
+#define UART_FCR_TRIGGER_3 0x30 /* Mask for trigger set at 3 */
+
+#endif /* UART_H */
--- /dev/null
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.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 <ns16550.h>
+#include <asm/io.h>
+#include <asm/arch/tegra2.h>
+#include <asm/arch/sys_proto.h>
+
+#include <asm/arch/clk_rst.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/uart.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+const struct tegra2_sysinfo sysinfo = {
+ CONFIG_TEGRA2_BOARD_STRING
+};
+
+/*
+ * Routine: timer_init
+ * Description: init the timestamp and lastinc value
+ */
+int timer_init(void)
+{
+ reset_timer();
+ return 0;
+}
+
+/*
+ * Routine: clock_init_uart
+ * Description: init the PLL and clock for the UART(s)
+ */
+static void clock_init_uart(void)
+{
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ static int pllp_init_done;
+ u32 reg;
+
+ if (!pllp_init_done) {
+ /* Override pllp setup for 216MHz operation. */
+ reg = (PLL_BYPASS | PLL_BASE_OVRRIDE | PLL_DIVP);
+ reg |= (((NVRM_PLLP_FIXED_FREQ_KHZ/500) << 8) | PLL_DIVM);
+ writel(reg, &clkrst->crc_pllp_base);
+
+ reg |= PLL_ENABLE;
+ writel(reg, &clkrst->crc_pllp_base);
+
+ reg &= ~PLL_BYPASS;
+ writel(reg, &clkrst->crc_pllp_base);
+
+ pllp_init_done++;
+ }
+
+ /* Now do the UART reset/clock enable */
+#if defined(CONFIG_TEGRA2_ENABLE_UARTA)
+ /* Assert Reset to UART */
+ reg = readl(&clkrst->crc_rst_dev_l);
+ reg |= SWR_UARTA_RST; /* SWR_UARTA_RST = 1 */
+ writel(reg, &clkrst->crc_rst_dev_l);
+
+ /* Enable clk to UART */
+ reg = readl(&clkrst->crc_clk_out_enb_l);
+ reg |= CLK_ENB_UARTA; /* CLK_ENB_UARTA = 1 */
+ writel(reg, &clkrst->crc_clk_out_enb_l);
+
+ /* Enable pllp_out0 to UART */
+ reg = readl(&clkrst->crc_clk_src_uarta);
+ reg &= 0x3FFFFFFF; /* UARTA_CLK_SRC = 00, PLLP_OUT0 */
+ writel(reg, &clkrst->crc_clk_src_uarta);
+
+ /* wait for 2us */
+ udelay(2);
+
+ /* De-assert reset to UART */
+ reg = readl(&clkrst->crc_rst_dev_l);
+ reg &= ~SWR_UARTA_RST; /* SWR_UARTA_RST = 0 */
+ writel(reg, &clkrst->crc_rst_dev_l);
+#endif /* CONFIG_TEGRA2_ENABLE_UARTA */
+#if defined(CONFIG_TEGRA2_ENABLE_UARTD)
+ /* Assert Reset to UART */
+ reg = readl(&clkrst->crc_rst_dev_u);
+ reg |= SWR_UARTD_RST; /* SWR_UARTD_RST = 1 */
+ writel(reg, &clkrst->crc_rst_dev_u);
+
+ /* Enable clk to UART */
+ reg = readl(&clkrst->crc_clk_out_enb_u);
+ reg |= CLK_ENB_UARTD; /* CLK_ENB_UARTD = 1 */
+ writel(reg, &clkrst->crc_clk_out_enb_u);
+
+ /* Enable pllp_out0 to UART */
+ reg = readl(&clkrst->crc_clk_src_uartd);
+ reg &= 0x3FFFFFFF; /* UARTD_CLK_SRC = 00, PLLP_OUT0 */
+ writel(reg, &clkrst->crc_clk_src_uartd);
+
+ /* wait for 2us */
+ udelay(2);
+
+ /* De-assert reset to UART */
+ reg = readl(&clkrst->crc_rst_dev_u);
+ reg &= ~SWR_UARTD_RST; /* SWR_UARTD_RST = 0 */
+ writel(reg, &clkrst->crc_rst_dev_u);
+#endif /* CONFIG_TEGRA2_ENABLE_UARTD */
+}
+
+/*
+ * Routine: pin_mux_uart
+ * Description: setup the pin muxes/tristate values for the UART(s)
+ */
+static void pin_mux_uart(void)
+{
+ struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 reg;
+
+#if defined(CONFIG_TEGRA2_ENABLE_UARTA)
+ reg = readl(&pmt->pmt_ctl_c);
+ reg &= 0xFFF0FFFF; /* IRRX_/IRTX_SEL [19:16] = 00 UARTA */
+ writel(reg, &pmt->pmt_ctl_c);
+
+ reg = readl(&pmt->pmt_tri_a);
+ reg &= ~Z_IRRX; /* Z_IRRX = normal (0) */
+ reg &= ~Z_IRTX; /* Z_IRTX = normal (0) */
+ writel(reg, &pmt->pmt_tri_a);
+#endif /* CONFIG_TEGRA2_ENABLE_UARTA */
+#if defined(CONFIG_TEGRA2_ENABLE_UARTD)
+ reg = readl(&pmt->pmt_ctl_b);
+ reg &= 0xFFFFFFF3; /* GMC_SEL [3:2] = 00, UARTD */
+ writel(reg, &pmt->pmt_ctl_b);
+
+ reg = readl(&pmt->pmt_tri_a);
+ reg &= ~Z_GMC; /* Z_GMC = normal (0) */
+ writel(reg, &pmt->pmt_tri_a);
+#endif /* CONFIG_TEGRA2_ENABLE_UARTD */
+}
+
+/*
+ * Routine: clock_init
+ * Description: Do individual peripheral clock reset/enables
+ */
+void clock_init(void)
+{
+ clock_init_uart();
+}
+
+/*
+ * Routine: pinmux_init
+ * Description: Do individual peripheral pinmux configs
+ */
+void pinmux_init(void)
+{
+ pin_mux_uart();
+}
+
+/*
+ * Routine: board_init
+ * Description: Early hardware init.
+ */
+int board_init(void)
+{
+ /* boot param addr */
+ gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
+ /* board id for Linux */
+ gd->bd->bi_arch_number = CONFIG_MACH_TYPE;
+
+ /* Initialize peripheral clocks */
+ clock_init();
+
+ /* Initialize periph pinmuxes */
+ pinmux_init();
+
+ return 0;
+}
+
projects / oweals / u-boot.git / commitdiff