Minor path corrections needed to ensure buildability.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
#########################################################################
MPC8540ADS_config: unconfig
- @$(MKCONFIG) $(@:_config=) ppc mpc85xx mpc8540ads
+ @$(MKCONFIG) $(@:_config=) ppc mpc85xx mpc8540ads freescale
MPC8540EVAL_config \
MPC8540EVAL_33_config \
--- /dev/null
+#
+# (C) Copyright 2001-2006
+# 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 = $(obj)lib$(BOARD).a
+
+COBJS := $(BOARD).o
+SOBJS := init.o
+#SOBJS :=
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+ rm -f $(OBJS) $(SOBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+# Copyright 2004 Freescale Semiconductor.
+# Modified by Xianghua Xiao, X.Xiao@motorola.com
+# (C) Copyright 2002,Motorola 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
+#
+
+#
+# mpc8540ads board
+# default CCARBAR is at 0xff700000
+# assume U-Boot is less than 0.5MB
+#
+TEXT_BASE = 0xfff80000
+
+PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1
+PLATFORM_CPPFLAGS += -DCONFIG_MPC8540=1
+PLATFORM_CPPFLAGS += -DCONFIG_E500=1
--- /dev/null
+/*
+ * Copyright 2004 Freescale Semiconductor.
+ * Copyright (C) 2002,2003, Motorola Inc.
+ * Xianghua Xiao <X.Xiao@motorola.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 <ppc_asm.tmpl>
+#include <ppc_defs.h>
+#include <asm/cache.h>
+#include <asm/mmu.h>
+#include <config.h>
+#include <mpc85xx.h>
+
+
+/*
+ * TLB0 and TLB1 Entries
+ *
+ * Out of reset, TLB1's Entry 0 maps the highest 4K for CCSRBAR.
+ * However, CCSRBAR is then relocated to CFG_CCSRBAR right after
+ * these TLB entries are established.
+ *
+ * The TLB entries for DDR are dynamically setup in spd_sdram()
+ * and use TLB1 Entries 8 through 15 as needed according to the
+ * size of DDR memory.
+ *
+ * MAS0: tlbsel, esel, nv
+ * MAS1: valid, iprot, tid, ts, tsize
+ * MAS2: epn, sharen, x0, x1, w, i, m, g, e
+ * MAS3: rpn, u0-u3, ux, sx, uw, sw, ur, sr
+ */
+
+#define entry_start \
+ mflr r1 ; \
+ bl 0f ;
+
+#define entry_end \
+0: mflr r0 ; \
+ mtlr r1 ; \
+ blr ;
+
+
+ .section .bootpg, "ax"
+ .globl tlb1_entry
+tlb1_entry:
+ entry_start
+
+ /*
+ * Number of TLB0 and TLB1 entries in the following table
+ */
+ .long 13
+
+#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
+ /*
+ * TLB0 4K Non-cacheable, guarded
+ * 0xff700000 4K Initial CCSRBAR mapping
+ *
+ * This ends up at a TLB0 Index==0 entry, and must not collide
+ * with other TLB0 Entries.
+ */
+ .long TLB1_MAS0(0, 0, 0)
+ .long TLB1_MAS1(1, 0, 0, 0, 0)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,0,1,0,1,0,1)
+#else
+#error("Update the number of table entries in tlb1_entry")
+#endif
+
+ /*
+ * TLB0 16K Cacheable, non-guarded
+ * 0xd001_0000 16K Temporary Global data for initialization
+ *
+ * Use four 4K TLB0 entries. These entries must be cacheable
+ * as they provide the bootstrap memory before the memory
+ * controler and real memory have been configured.
+ *
+ * These entries end up at TLB0 Indicies 0x10, 0x14, 0x18 and 0x1c,
+ * and must not collide with other TLB0 entries.
+ */
+ .long TLB1_MAS0(0, 0, 0)
+ .long TLB1_MAS1(1, 0, 0, 0, 0)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR),
+ 0,0,0,0,0,0,0,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR),
+ 0,0,0,0,0,1,0,1,0,1)
+
+ .long TLB1_MAS0(0, 0, 0)
+ .long TLB1_MAS1(1, 0, 0, 0, 0)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 4 * 1024),
+ 0,0,0,0,0,0,0,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 4 * 1024),
+ 0,0,0,0,0,1,0,1,0,1)
+
+ .long TLB1_MAS0(0, 0, 0)
+ .long TLB1_MAS1(1, 0, 0, 0, 0)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 8 * 1024),
+ 0,0,0,0,0,0,0,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 8 * 1024),
+ 0,0,0,0,0,1,0,1,0,1)
+
+ .long TLB1_MAS0(0, 0, 0)
+ .long TLB1_MAS1(1, 0, 0, 0, 0)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 12 * 1024),
+ 0,0,0,0,0,0,0,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 12 * 1024),
+ 0,0,0,0,0,1,0,1,0,1)
+
+
+ /*
+ * TLB 0: 16M Non-cacheable, guarded
+ * 0xff000000 16M FLASH
+ * Out of reset this entry is only 4K.
+ */
+ .long TLB1_MAS0(1, 0, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_FLASH_BASE), 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_FLASH_BASE), 0,0,0,0,0,1,0,1,0,1)
+
+ /*
+ * TLB 1: 256M Non-cacheable, guarded
+ * 0x80000000 256M PCI1 MEM First half
+ */
+ .long TLB1_MAS0(1, 1, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI1_MEM_BASE), 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI1_MEM_BASE), 0,0,0,0,0,1,0,1,0,1)
+
+ /*
+ * TLB 2: 256M Non-cacheable, guarded
+ * 0x90000000 256M PCI1 MEM Second half
+ */
+ .long TLB1_MAS0(1, 2, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI1_MEM_BASE + 0x10000000),
+ 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI1_MEM_BASE + 0x10000000),
+ 0,0,0,0,0,1,0,1,0,1)
+
+ /*
+ * TLB 3: 256M Non-cacheable, guarded
+ * 0xc0000000 256M Rapid IO MEM First half
+ */
+ .long TLB1_MAS0(1, 3, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_RIO_MEM_BASE), 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_RIO_MEM_BASE), 0,0,0,0,0,1,0,1,0,1)
+
+ /*
+ * TLB 4: 256M Non-cacheable, guarded
+ * 0xd0000000 256M Rapid IO MEM Second half
+ */
+ .long TLB1_MAS0(1, 4, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_RIO_MEM_BASE + 0x10000000),
+ 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_RIO_MEM_BASE + 0x10000000),
+ 0,0,0,0,0,1,0,1,0,1)
+
+ /*
+ * TLB 5: 64M Non-cacheable, guarded
+ * 0xe000_0000 1M CCSRBAR
+ * 0xe200_0000 16M PCI1 IO
+ */
+ .long TLB1_MAS0(1, 5, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR), 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR), 0,0,0,0,0,1,0,1,0,1)
+
+ /*
+ * TLB 6: 64M Cacheable, non-guarded
+ * 0xf000_0000 64M LBC SDRAM
+ */
+ .long TLB1_MAS0(1, 6, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,0,0,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,1,0,1,0,1)
+
+ /*
+ * TLB 7: 16K Non-cacheable, guarded
+ * 0xf8000000 16K BCSR registers
+ */
+ .long TLB1_MAS0(1, 7, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16K)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_BCSR), 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_BCSR), 0,0,0,0,0,1,0,1,0,1)
+
+#if !defined(CONFIG_SPD_EEPROM)
+ /*
+ * TLB 8, 9: 128M DDR
+ * 0x00000000 64M DDR System memory
+ * 0x04000000 64M DDR System memory
+ * Without SPD EEPROM configured DDR, this must be setup manually.
+ * Make sure the TLB count at the top of this table is correct.
+ * Likely it needs to be increased by two for these entries.
+ */
+#error("Update the number of table entries in tlb1_entry")
+ .long TLB1_MAS0(1, 8, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_DDR_SDRAM_BASE), 0,0,0,0,0,0,0,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_DDR_SDRAM_BASE), 0,0,0,0,0,1,0,1,0,1)
+
+ .long TLB1_MAS0(1, 9, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_DDR_SDRAM_BASE + 0x4000000),
+ 0,0,0,0,0,0,0,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_DDR_SDRAM_BASE + 0x4000000),
+ 0,0,0,0,0,1,0,1,0,1)
+#endif
+
+ entry_end
+
+/*
+ * LAW(Local Access Window) configuration:
+ *
+ * 0x0000_0000 0x7fff_ffff DDR 2G
+ * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
+ * 0xc000_0000 0xdfff_ffff RapidIO 512M
+ * 0xe000_0000 0xe000_ffff CCSR 1M
+ * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M
+ * 0xf000_0000 0xf7ff_ffff SDRAM 128M
+ * 0xf800_0000 0xf80f_ffff BCSR 1M
+ * 0xff00_0000 0xffff_ffff FLASH (boot bank) 16M
+ *
+ * Notes:
+ * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
+ * If flash is 8M at default position (last 8M), no LAW needed.
+ */
+
+#if !defined(CONFIG_SPD_EEPROM)
+#define LAWBAR0 ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff)
+#define LAWAR0 (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M))
+#else
+#define LAWBAR0 0
+#define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
+#endif
+
+#define LAWBAR1 ((CFG_PCI1_MEM_BASE>>12) & 0xfffff)
+#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_512M))
+
+/*
+ * This is not so much the SDRAM map as it is the whole localbus map.
+ */
+#define LAWBAR2 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
+#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M))
+
+#define LAWBAR3 ((CFG_PCI1_IO_PHYS>>12) & 0xfffff)
+#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_1M))
+
+/*
+ * Rapid IO at 0xc000_0000 for 512 M
+ */
+#define LAWBAR4 ((CFG_RIO_MEM_BASE>>12) & 0xfffff)
+#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_RIO | (LAWAR_SIZE & LAWAR_SIZE_512M))
+
+
+ .section .bootpg, "ax"
+ .globl law_entry
+law_entry:
+ entry_start
+ .long 0x05
+ .long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2,LAWBAR3,LAWAR3
+ .long LAWBAR4,LAWAR4
+ entry_end
--- /dev/null
+ /*
+ * Copyright 2004 Freescale Semiconductor.
+ * (C) Copyright 2002,2003, Motorola Inc.
+ * Xianghua Xiao, (X.Xiao@motorola.com)
+ *
+ * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.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 <pci.h>
+#include <asm/processor.h>
+#include <asm/immap_85xx.h>
+#include <spd.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+extern void ddr_enable_ecc(unsigned int dram_size);
+#endif
+
+extern long int spd_sdram(void);
+
+void local_bus_init(void);
+void sdram_init(void);
+long int fixed_sdram(void);
+
+
+int board_early_init_f (void)
+{
+ return 0;
+}
+
+int checkboard (void)
+{
+ puts("Board: ADS\n");
+
+#ifdef CONFIG_PCI
+ printf(" PCI1: 32 bit, %d MHz (compiled)\n",
+ CONFIG_SYS_CLK_FREQ / 1000000);
+#else
+ printf(" PCI1: disabled\n");
+#endif
+
+ /*
+ * Initialize local bus.
+ */
+ local_bus_init();
+
+ return 0;
+}
+
+
+long int
+initdram(int board_type)
+{
+ long dram_size = 0;
+ extern long spd_sdram (void);
+
+ puts("Initializing\n");
+
+#if defined(CONFIG_DDR_DLL)
+ {
+ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+ uint temp_ddrdll = 0;
+
+ /*
+ * Work around to stabilize DDR DLL
+ */
+ temp_ddrdll = gur->ddrdllcr;
+ gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
+ asm("sync;isync;msync");
+ }
+#endif
+
+#if defined(CONFIG_SPD_EEPROM)
+ dram_size = spd_sdram ();
+#else
+ dram_size = fixed_sdram ();
+#endif
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+ /*
+ * Initialize and enable DDR ECC.
+ */
+ ddr_enable_ecc(dram_size);
+#endif
+
+ /*
+ * Initialize SDRAM.
+ */
+ sdram_init();
+
+ puts(" DDR: ");
+ return dram_size;
+}
+
+
+/*
+ * Initialize Local Bus
+ */
+
+void
+local_bus_init(void)
+{
+ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+ volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
+
+ uint clkdiv;
+ uint lbc_hz;
+ sys_info_t sysinfo;
+
+ /*
+ * Errata LBC11.
+ * Fix Local Bus clock glitch when DLL is enabled.
+ *
+ * If localbus freq is < 66Mhz, DLL bypass mode must be used.
+ * If localbus freq is > 133Mhz, DLL can be safely enabled.
+ * Between 66 and 133, the DLL is enabled with an override workaround.
+ */
+
+ get_sys_info(&sysinfo);
+ clkdiv = lbc->lcrr & 0x0f;
+ lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
+
+ if (lbc_hz < 66) {
+ lbc->lcrr = CFG_LBC_LCRR | 0x80000000; /* DLL Bypass */
+
+ } else if (lbc_hz >= 133) {
+ lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */
+
+ } else {
+ /*
+ * On REV1 boards, need to change CLKDIV before enable DLL.
+ * Default CLKDIV is 8, change it to 4 temporarily.
+ */
+ uint pvr = get_pvr();
+ uint temp_lbcdll = 0;
+
+ if (pvr == PVR_85xx_REV1) {
+ /* FIXME: Justify the high bit here. */
+ lbc->lcrr = 0x10000004;
+ }
+
+ lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */
+ udelay(200);
+
+ /*
+ * Sample LBC DLL ctrl reg, upshift it to set the
+ * override bits.
+ */
+ temp_lbcdll = gur->lbcdllcr;
+ gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
+ asm("sync;isync;msync");
+ }
+}
+
+
+/*
+ * Initialize SDRAM memory on the Local Bus.
+ */
+
+void
+sdram_init(void)
+{
+ volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
+ uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
+
+ puts(" SDRAM: ");
+ print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
+
+ /*
+ * Setup SDRAM Base and Option Registers
+ */
+ lbc->or2 = CFG_OR2_PRELIM;
+ lbc->br2 = CFG_BR2_PRELIM;
+ lbc->lbcr = CFG_LBC_LBCR;
+ asm("msync");
+
+ lbc->lsrt = CFG_LBC_LSRT;
+ lbc->mrtpr = CFG_LBC_MRTPR;
+ asm("sync");
+
+ /*
+ * Configure the SDRAM controller.
+ */
+ lbc->lsdmr = CFG_LBC_LSDMR_1;
+ asm("sync");
+ *sdram_addr = 0xff;
+ ppcDcbf((unsigned long) sdram_addr);
+ udelay(100);
+
+ lbc->lsdmr = CFG_LBC_LSDMR_2;
+ asm("sync");
+ *sdram_addr = 0xff;
+ ppcDcbf((unsigned long) sdram_addr);
+ udelay(100);
+
+ lbc->lsdmr = CFG_LBC_LSDMR_3;
+ asm("sync");
+ *sdram_addr = 0xff;
+ ppcDcbf((unsigned long) sdram_addr);
+ udelay(100);
+
+ lbc->lsdmr = CFG_LBC_LSDMR_4;
+ asm("sync");
+ *sdram_addr = 0xff;
+ ppcDcbf((unsigned long) sdram_addr);
+ udelay(100);
+
+ lbc->lsdmr = CFG_LBC_LSDMR_5;
+ asm("sync");
+ *sdram_addr = 0xff;
+ ppcDcbf((unsigned long) sdram_addr);
+ udelay(100);
+}
+
+
+#if defined(CFG_DRAM_TEST)
+int testdram (void)
+{
+ uint *pstart = (uint *) CFG_MEMTEST_START;
+ uint *pend = (uint *) CFG_MEMTEST_END;
+ uint *p;
+
+ printf("SDRAM test phase 1:\n");
+ for (p = pstart; p < pend; p++)
+ *p = 0xaaaaaaaa;
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0xaaaaaaaa) {
+ printf ("SDRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ printf("SDRAM test phase 2:\n");
+ for (p = pstart; p < pend; p++)
+ *p = 0x55555555;
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0x55555555) {
+ printf ("SDRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ printf("SDRAM test passed.\n");
+ return 0;
+}
+#endif
+
+
+#if !defined(CONFIG_SPD_EEPROM)
+/*************************************************************************
+ * fixed sdram init -- doesn't use serial presence detect.
+ ************************************************************************/
+long int fixed_sdram (void)
+{
+ #ifndef CFG_RAMBOOT
+ volatile ccsr_ddr_t *ddr= (void *)(CFG_MPC85xx_DDR_ADDR);
+
+ ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
+ ddr->cs0_config = CFG_DDR_CS0_CONFIG;
+ ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
+ ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
+ ddr->sdram_mode = CFG_DDR_MODE;
+ ddr->sdram_interval = CFG_DDR_INTERVAL;
+ #if defined (CONFIG_DDR_ECC)
+ ddr->err_disable = 0x0000000D;
+ ddr->err_sbe = 0x00ff0000;
+ #endif
+ asm("sync;isync;msync");
+ udelay(500);
+ #if defined (CONFIG_DDR_ECC)
+ /* Enable ECC checking */
+ ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000);
+ #else
+ ddr->sdram_cfg = CFG_DDR_CONTROL;
+ #endif
+ asm("sync; isync; msync");
+ udelay(500);
+ #endif
+ return CFG_SDRAM_SIZE * 1024 * 1024;
+}
+#endif /* !defined(CONFIG_SPD_EEPROM) */
+
+
+#if defined(CONFIG_PCI)
+/*
+ * Initialize PCI Devices, report devices found.
+ */
+
+
+static struct pci_controller hose;
+
+#endif /* CONFIG_PCI */
+
+
+void
+pci_init_board(void)
+{
+#ifdef CONFIG_PCI
+ pci_mpc85xx_init(&hose);
+#endif /* CONFIG_PCI */
+}
+
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+void
+ft_board_setup(void *blob, bd_t *bd)
+{
+ int node, tmp[2];
+ const char *path;
+
+ ft_cpu_setup(blob, bd);
+
+ node = fdt_path_offset(blob, "/aliases");
+ tmp[0] = 0;
+ if (node >= 0) {
+#ifdef CONFIG_PCI
+ path = fdt_getprop(blob, node, "pci0", NULL);
+ if (path) {
+ tmp[1] = hose.last_busno - hose.first_busno;
+ do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
+ }
+#endif
+ }
+}
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2002,2003, Motorola,Inc.
+ * Xianghua Xiao, X.Xiao@motorola.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
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ .resetvec 0xFFFFFFFC :
+ {
+ *(.resetvec)
+ } = 0xffff
+
+ .bootpg 0xFFFFF000 :
+ {
+ cpu/mpc85xx/start.o (.bootpg)
+ board/freescale/mpc8540ads/init.o (.bootpg)
+ } = 0xffff
+
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ cpu/mpc85xx/start.o (.text)
+ board/freescale/mpc8540ads/init.o (.text)
+ cpu/mpc85xx/traps.o (.text)
+ cpu/mpc85xx/interrupts.o (.text)
+ cpu/mpc85xx/cpu_init.o (.text)
+ cpu/mpc85xx/cpu.o (.text)
+ cpu/mpc85xx/speed.o (.text)
+ cpu/mpc85xx/pci.o (.text)
+ common/dlmalloc.o (.text)
+ lib_generic/crc32.o (.text)
+ lib_ppc/extable.o (.text)
+ lib_generic/zlib.o (.text)
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ *(.rodata.str1.4)
+ *(.eh_frame)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
+ __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = .;
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
+++ /dev/null
-#
-# (C) Copyright 2001-2006
-# 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 = $(obj)lib$(BOARD).a
-
-COBJS := $(BOARD).o
-SOBJS := init.o
-#SOBJS :=
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
-SOBJS := $(addprefix $(obj),$(SOBJS))
-
-$(LIB): $(obj).depend $(OBJS) $(SOBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-clean:
- rm -f $(OBJS) $(SOBJS)
-
-distclean: clean
- rm -f $(LIB) core *.bak .depend
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-# Copyright 2004 Freescale Semiconductor.
-# Modified by Xianghua Xiao, X.Xiao@motorola.com
-# (C) Copyright 2002,Motorola 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
-#
-
-#
-# mpc8540ads board
-# default CCARBAR is at 0xff700000
-# assume U-Boot is less than 0.5MB
-#
-TEXT_BASE = 0xfff80000
-
-PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1
-PLATFORM_CPPFLAGS += -DCONFIG_MPC8540=1
-PLATFORM_CPPFLAGS += -DCONFIG_E500=1
+++ /dev/null
-/*
- * Copyright 2004 Freescale Semiconductor.
- * Copyright (C) 2002,2003, Motorola Inc.
- * Xianghua Xiao <X.Xiao@motorola.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 <ppc_asm.tmpl>
-#include <ppc_defs.h>
-#include <asm/cache.h>
-#include <asm/mmu.h>
-#include <config.h>
-#include <mpc85xx.h>
-
-
-/*
- * TLB0 and TLB1 Entries
- *
- * Out of reset, TLB1's Entry 0 maps the highest 4K for CCSRBAR.
- * However, CCSRBAR is then relocated to CFG_CCSRBAR right after
- * these TLB entries are established.
- *
- * The TLB entries for DDR are dynamically setup in spd_sdram()
- * and use TLB1 Entries 8 through 15 as needed according to the
- * size of DDR memory.
- *
- * MAS0: tlbsel, esel, nv
- * MAS1: valid, iprot, tid, ts, tsize
- * MAS2: epn, sharen, x0, x1, w, i, m, g, e
- * MAS3: rpn, u0-u3, ux, sx, uw, sw, ur, sr
- */
-
-#define entry_start \
- mflr r1 ; \
- bl 0f ;
-
-#define entry_end \
-0: mflr r0 ; \
- mtlr r1 ; \
- blr ;
-
-
- .section .bootpg, "ax"
- .globl tlb1_entry
-tlb1_entry:
- entry_start
-
- /*
- * Number of TLB0 and TLB1 entries in the following table
- */
- .long 13
-
-#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
- /*
- * TLB0 4K Non-cacheable, guarded
- * 0xff700000 4K Initial CCSRBAR mapping
- *
- * This ends up at a TLB0 Index==0 entry, and must not collide
- * with other TLB0 Entries.
- */
- .long TLB1_MAS0(0, 0, 0)
- .long TLB1_MAS1(1, 0, 0, 0, 0)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,1,0,1,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,0,1,0,1,0,1)
-#else
-#error("Update the number of table entries in tlb1_entry")
-#endif
-
- /*
- * TLB0 16K Cacheable, non-guarded
- * 0xd001_0000 16K Temporary Global data for initialization
- *
- * Use four 4K TLB0 entries. These entries must be cacheable
- * as they provide the bootstrap memory before the memory
- * controler and real memory have been configured.
- *
- * These entries end up at TLB0 Indicies 0x10, 0x14, 0x18 and 0x1c,
- * and must not collide with other TLB0 entries.
- */
- .long TLB1_MAS0(0, 0, 0)
- .long TLB1_MAS1(1, 0, 0, 0, 0)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR),
- 0,0,0,0,0,0,0,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR),
- 0,0,0,0,0,1,0,1,0,1)
-
- .long TLB1_MAS0(0, 0, 0)
- .long TLB1_MAS1(1, 0, 0, 0, 0)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 4 * 1024),
- 0,0,0,0,0,0,0,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 4 * 1024),
- 0,0,0,0,0,1,0,1,0,1)
-
- .long TLB1_MAS0(0, 0, 0)
- .long TLB1_MAS1(1, 0, 0, 0, 0)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 8 * 1024),
- 0,0,0,0,0,0,0,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 8 * 1024),
- 0,0,0,0,0,1,0,1,0,1)
-
- .long TLB1_MAS0(0, 0, 0)
- .long TLB1_MAS1(1, 0, 0, 0, 0)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 12 * 1024),
- 0,0,0,0,0,0,0,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 12 * 1024),
- 0,0,0,0,0,1,0,1,0,1)
-
-
- /*
- * TLB 0: 16M Non-cacheable, guarded
- * 0xff000000 16M FLASH
- * Out of reset this entry is only 4K.
- */
- .long TLB1_MAS0(1, 0, 0)
- .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16M)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_FLASH_BASE), 0,0,0,0,1,0,1,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_FLASH_BASE), 0,0,0,0,0,1,0,1,0,1)
-
- /*
- * TLB 1: 256M Non-cacheable, guarded
- * 0x80000000 256M PCI1 MEM First half
- */
- .long TLB1_MAS0(1, 1, 0)
- .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI1_MEM_BASE), 0,0,0,0,1,0,1,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI1_MEM_BASE), 0,0,0,0,0,1,0,1,0,1)
-
- /*
- * TLB 2: 256M Non-cacheable, guarded
- * 0x90000000 256M PCI1 MEM Second half
- */
- .long TLB1_MAS0(1, 2, 0)
- .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI1_MEM_BASE + 0x10000000),
- 0,0,0,0,1,0,1,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI1_MEM_BASE + 0x10000000),
- 0,0,0,0,0,1,0,1,0,1)
-
- /*
- * TLB 3: 256M Non-cacheable, guarded
- * 0xc0000000 256M Rapid IO MEM First half
- */
- .long TLB1_MAS0(1, 3, 0)
- .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_RIO_MEM_BASE), 0,0,0,0,1,0,1,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_RIO_MEM_BASE), 0,0,0,0,0,1,0,1,0,1)
-
- /*
- * TLB 4: 256M Non-cacheable, guarded
- * 0xd0000000 256M Rapid IO MEM Second half
- */
- .long TLB1_MAS0(1, 4, 0)
- .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_RIO_MEM_BASE + 0x10000000),
- 0,0,0,0,1,0,1,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_RIO_MEM_BASE + 0x10000000),
- 0,0,0,0,0,1,0,1,0,1)
-
- /*
- * TLB 5: 64M Non-cacheable, guarded
- * 0xe000_0000 1M CCSRBAR
- * 0xe200_0000 16M PCI1 IO
- */
- .long TLB1_MAS0(1, 5, 0)
- .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR), 0,0,0,0,1,0,1,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR), 0,0,0,0,0,1,0,1,0,1)
-
- /*
- * TLB 6: 64M Cacheable, non-guarded
- * 0xf000_0000 64M LBC SDRAM
- */
- .long TLB1_MAS0(1, 6, 0)
- .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,0,0,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,1,0,1,0,1)
-
- /*
- * TLB 7: 16K Non-cacheable, guarded
- * 0xf8000000 16K BCSR registers
- */
- .long TLB1_MAS0(1, 7, 0)
- .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16K)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_BCSR), 0,0,0,0,1,0,1,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_BCSR), 0,0,0,0,0,1,0,1,0,1)
-
-#if !defined(CONFIG_SPD_EEPROM)
- /*
- * TLB 8, 9: 128M DDR
- * 0x00000000 64M DDR System memory
- * 0x04000000 64M DDR System memory
- * Without SPD EEPROM configured DDR, this must be setup manually.
- * Make sure the TLB count at the top of this table is correct.
- * Likely it needs to be increased by two for these entries.
- */
-#error("Update the number of table entries in tlb1_entry")
- .long TLB1_MAS0(1, 8, 0)
- .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_DDR_SDRAM_BASE), 0,0,0,0,0,0,0,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_DDR_SDRAM_BASE), 0,0,0,0,0,1,0,1,0,1)
-
- .long TLB1_MAS0(1, 9, 0)
- .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_DDR_SDRAM_BASE + 0x4000000),
- 0,0,0,0,0,0,0,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_DDR_SDRAM_BASE + 0x4000000),
- 0,0,0,0,0,1,0,1,0,1)
-#endif
-
- entry_end
-
-/*
- * LAW(Local Access Window) configuration:
- *
- * 0x0000_0000 0x7fff_ffff DDR 2G
- * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
- * 0xc000_0000 0xdfff_ffff RapidIO 512M
- * 0xe000_0000 0xe000_ffff CCSR 1M
- * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M
- * 0xf000_0000 0xf7ff_ffff SDRAM 128M
- * 0xf800_0000 0xf80f_ffff BCSR 1M
- * 0xff00_0000 0xffff_ffff FLASH (boot bank) 16M
- *
- * Notes:
- * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
- * If flash is 8M at default position (last 8M), no LAW needed.
- */
-
-#if !defined(CONFIG_SPD_EEPROM)
-#define LAWBAR0 ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff)
-#define LAWAR0 (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M))
-#else
-#define LAWBAR0 0
-#define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
-#endif
-
-#define LAWBAR1 ((CFG_PCI1_MEM_BASE>>12) & 0xfffff)
-#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_512M))
-
-/*
- * This is not so much the SDRAM map as it is the whole localbus map.
- */
-#define LAWBAR2 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
-#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M))
-
-#define LAWBAR3 ((CFG_PCI1_IO_PHYS>>12) & 0xfffff)
-#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_1M))
-
-/*
- * Rapid IO at 0xc000_0000 for 512 M
- */
-#define LAWBAR4 ((CFG_RIO_MEM_BASE>>12) & 0xfffff)
-#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_RIO | (LAWAR_SIZE & LAWAR_SIZE_512M))
-
-
- .section .bootpg, "ax"
- .globl law_entry
-law_entry:
- entry_start
- .long 0x05
- .long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2,LAWBAR3,LAWAR3
- .long LAWBAR4,LAWAR4
- entry_end
+++ /dev/null
- /*
- * Copyright 2004 Freescale Semiconductor.
- * (C) Copyright 2002,2003, Motorola Inc.
- * Xianghua Xiao, (X.Xiao@motorola.com)
- *
- * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.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 <pci.h>
-#include <asm/processor.h>
-#include <asm/immap_85xx.h>
-#include <spd.h>
-#include <libfdt.h>
-#include <fdt_support.h>
-
-#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
-extern void ddr_enable_ecc(unsigned int dram_size);
-#endif
-
-extern long int spd_sdram(void);
-
-void local_bus_init(void);
-void sdram_init(void);
-long int fixed_sdram(void);
-
-
-int board_early_init_f (void)
-{
- return 0;
-}
-
-int checkboard (void)
-{
- puts("Board: ADS\n");
-
-#ifdef CONFIG_PCI
- printf(" PCI1: 32 bit, %d MHz (compiled)\n",
- CONFIG_SYS_CLK_FREQ / 1000000);
-#else
- printf(" PCI1: disabled\n");
-#endif
-
- /*
- * Initialize local bus.
- */
- local_bus_init();
-
- return 0;
-}
-
-
-long int
-initdram(int board_type)
-{
- long dram_size = 0;
- extern long spd_sdram (void);
-
- puts("Initializing\n");
-
-#if defined(CONFIG_DDR_DLL)
- {
- volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
- uint temp_ddrdll = 0;
-
- /*
- * Work around to stabilize DDR DLL
- */
- temp_ddrdll = gur->ddrdllcr;
- gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
- asm("sync;isync;msync");
- }
-#endif
-
-#if defined(CONFIG_SPD_EEPROM)
- dram_size = spd_sdram ();
-#else
- dram_size = fixed_sdram ();
-#endif
-
-#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
- /*
- * Initialize and enable DDR ECC.
- */
- ddr_enable_ecc(dram_size);
-#endif
-
- /*
- * Initialize SDRAM.
- */
- sdram_init();
-
- puts(" DDR: ");
- return dram_size;
-}
-
-
-/*
- * Initialize Local Bus
- */
-
-void
-local_bus_init(void)
-{
- volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
- volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
-
- uint clkdiv;
- uint lbc_hz;
- sys_info_t sysinfo;
-
- /*
- * Errata LBC11.
- * Fix Local Bus clock glitch when DLL is enabled.
- *
- * If localbus freq is < 66Mhz, DLL bypass mode must be used.
- * If localbus freq is > 133Mhz, DLL can be safely enabled.
- * Between 66 and 133, the DLL is enabled with an override workaround.
- */
-
- get_sys_info(&sysinfo);
- clkdiv = lbc->lcrr & 0x0f;
- lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
-
- if (lbc_hz < 66) {
- lbc->lcrr = CFG_LBC_LCRR | 0x80000000; /* DLL Bypass */
-
- } else if (lbc_hz >= 133) {
- lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */
-
- } else {
- /*
- * On REV1 boards, need to change CLKDIV before enable DLL.
- * Default CLKDIV is 8, change it to 4 temporarily.
- */
- uint pvr = get_pvr();
- uint temp_lbcdll = 0;
-
- if (pvr == PVR_85xx_REV1) {
- /* FIXME: Justify the high bit here. */
- lbc->lcrr = 0x10000004;
- }
-
- lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */
- udelay(200);
-
- /*
- * Sample LBC DLL ctrl reg, upshift it to set the
- * override bits.
- */
- temp_lbcdll = gur->lbcdllcr;
- gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
- asm("sync;isync;msync");
- }
-}
-
-
-/*
- * Initialize SDRAM memory on the Local Bus.
- */
-
-void
-sdram_init(void)
-{
- volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
- uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
-
- puts(" SDRAM: ");
- print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
-
- /*
- * Setup SDRAM Base and Option Registers
- */
- lbc->or2 = CFG_OR2_PRELIM;
- lbc->br2 = CFG_BR2_PRELIM;
- lbc->lbcr = CFG_LBC_LBCR;
- asm("msync");
-
- lbc->lsrt = CFG_LBC_LSRT;
- lbc->mrtpr = CFG_LBC_MRTPR;
- asm("sync");
-
- /*
- * Configure the SDRAM controller.
- */
- lbc->lsdmr = CFG_LBC_LSDMR_1;
- asm("sync");
- *sdram_addr = 0xff;
- ppcDcbf((unsigned long) sdram_addr);
- udelay(100);
-
- lbc->lsdmr = CFG_LBC_LSDMR_2;
- asm("sync");
- *sdram_addr = 0xff;
- ppcDcbf((unsigned long) sdram_addr);
- udelay(100);
-
- lbc->lsdmr = CFG_LBC_LSDMR_3;
- asm("sync");
- *sdram_addr = 0xff;
- ppcDcbf((unsigned long) sdram_addr);
- udelay(100);
-
- lbc->lsdmr = CFG_LBC_LSDMR_4;
- asm("sync");
- *sdram_addr = 0xff;
- ppcDcbf((unsigned long) sdram_addr);
- udelay(100);
-
- lbc->lsdmr = CFG_LBC_LSDMR_5;
- asm("sync");
- *sdram_addr = 0xff;
- ppcDcbf((unsigned long) sdram_addr);
- udelay(100);
-}
-
-
-#if defined(CFG_DRAM_TEST)
-int testdram (void)
-{
- uint *pstart = (uint *) CFG_MEMTEST_START;
- uint *pend = (uint *) CFG_MEMTEST_END;
- uint *p;
-
- printf("SDRAM test phase 1:\n");
- for (p = pstart; p < pend; p++)
- *p = 0xaaaaaaaa;
-
- for (p = pstart; p < pend; p++) {
- if (*p != 0xaaaaaaaa) {
- printf ("SDRAM test fails at: %08x\n", (uint) p);
- return 1;
- }
- }
-
- printf("SDRAM test phase 2:\n");
- for (p = pstart; p < pend; p++)
- *p = 0x55555555;
-
- for (p = pstart; p < pend; p++) {
- if (*p != 0x55555555) {
- printf ("SDRAM test fails at: %08x\n", (uint) p);
- return 1;
- }
- }
-
- printf("SDRAM test passed.\n");
- return 0;
-}
-#endif
-
-
-#if !defined(CONFIG_SPD_EEPROM)
-/*************************************************************************
- * fixed sdram init -- doesn't use serial presence detect.
- ************************************************************************/
-long int fixed_sdram (void)
-{
- #ifndef CFG_RAMBOOT
- volatile ccsr_ddr_t *ddr= (void *)(CFG_MPC85xx_DDR_ADDR);
-
- ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
- ddr->cs0_config = CFG_DDR_CS0_CONFIG;
- ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
- ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
- ddr->sdram_mode = CFG_DDR_MODE;
- ddr->sdram_interval = CFG_DDR_INTERVAL;
- #if defined (CONFIG_DDR_ECC)
- ddr->err_disable = 0x0000000D;
- ddr->err_sbe = 0x00ff0000;
- #endif
- asm("sync;isync;msync");
- udelay(500);
- #if defined (CONFIG_DDR_ECC)
- /* Enable ECC checking */
- ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000);
- #else
- ddr->sdram_cfg = CFG_DDR_CONTROL;
- #endif
- asm("sync; isync; msync");
- udelay(500);
- #endif
- return CFG_SDRAM_SIZE * 1024 * 1024;
-}
-#endif /* !defined(CONFIG_SPD_EEPROM) */
-
-
-#if defined(CONFIG_PCI)
-/*
- * Initialize PCI Devices, report devices found.
- */
-
-
-static struct pci_controller hose;
-
-#endif /* CONFIG_PCI */
-
-
-void
-pci_init_board(void)
-{
-#ifdef CONFIG_PCI
- pci_mpc85xx_init(&hose);
-#endif /* CONFIG_PCI */
-}
-
-
-#if defined(CONFIG_OF_BOARD_SETUP)
-void
-ft_board_setup(void *blob, bd_t *bd)
-{
- int node, tmp[2];
- const char *path;
-
- ft_cpu_setup(blob, bd);
-
- node = fdt_path_offset(blob, "/aliases");
- tmp[0] = 0;
- if (node >= 0) {
-#ifdef CONFIG_PCI
- path = fdt_getprop(blob, node, "pci0", NULL);
- if (path) {
- tmp[1] = hose.last_busno - hose.first_busno;
- do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
- }
-#endif
- }
-}
-#endif
+++ /dev/null
-/*
- * (C) Copyright 2002,2003, Motorola,Inc.
- * Xianghua Xiao, X.Xiao@motorola.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
- */
-
-OUTPUT_ARCH(powerpc)
-SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
-/* Do we need any of these for elf?
- __DYNAMIC = 0; */
-SECTIONS
-{
- .resetvec 0xFFFFFFFC :
- {
- *(.resetvec)
- } = 0xffff
-
- .bootpg 0xFFFFF000 :
- {
- cpu/mpc85xx/start.o (.bootpg)
- board/mpc8540ads/init.o (.bootpg)
- } = 0xffff
-
- /* Read-only sections, merged into text segment: */
- . = + SIZEOF_HEADERS;
- .interp : { *(.interp) }
- .hash : { *(.hash) }
- .dynsym : { *(.dynsym) }
- .dynstr : { *(.dynstr) }
- .rel.text : { *(.rel.text) }
- .rela.text : { *(.rela.text) }
- .rel.data : { *(.rel.data) }
- .rela.data : { *(.rela.data) }
- .rel.rodata : { *(.rel.rodata) }
- .rela.rodata : { *(.rela.rodata) }
- .rel.got : { *(.rel.got) }
- .rela.got : { *(.rela.got) }
- .rel.ctors : { *(.rel.ctors) }
- .rela.ctors : { *(.rela.ctors) }
- .rel.dtors : { *(.rel.dtors) }
- .rela.dtors : { *(.rela.dtors) }
- .rel.bss : { *(.rel.bss) }
- .rela.bss : { *(.rela.bss) }
- .rel.plt : { *(.rel.plt) }
- .rela.plt : { *(.rela.plt) }
- .init : { *(.init) }
- .plt : { *(.plt) }
- .text :
- {
- cpu/mpc85xx/start.o (.text)
- board/mpc8540ads/init.o (.text)
- cpu/mpc85xx/traps.o (.text)
- cpu/mpc85xx/interrupts.o (.text)
- cpu/mpc85xx/cpu_init.o (.text)
- cpu/mpc85xx/cpu.o (.text)
- cpu/mpc85xx/speed.o (.text)
- cpu/mpc85xx/pci.o (.text)
- common/dlmalloc.o (.text)
- lib_generic/crc32.o (.text)
- lib_ppc/extable.o (.text)
- lib_generic/zlib.o (.text)
- *(.text)
- *(.fixup)
- *(.got1)
- }
- _etext = .;
- PROVIDE (etext = .);
- .rodata :
- {
- *(.rodata)
- *(.rodata1)
- *(.rodata.str1.4)
- *(.eh_frame)
- }
- .fini : { *(.fini) } =0
- .ctors : { *(.ctors) }
- .dtors : { *(.dtors) }
-
- /* Read-write section, merged into data segment: */
- . = (. + 0x00FF) & 0xFFFFFF00;
- _erotext = .;
- PROVIDE (erotext = .);
- .reloc :
- {
- *(.got)
- _GOT2_TABLE_ = .;
- *(.got2)
- _FIXUP_TABLE_ = .;
- *(.fixup)
- }
- __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
- __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
-
- .data :
- {
- *(.data)
- *(.data1)
- *(.sdata)
- *(.sdata2)
- *(.dynamic)
- CONSTRUCTORS
- }
- _edata = .;
- PROVIDE (edata = .);
-
- . = .;
- __u_boot_cmd_start = .;
- .u_boot_cmd : { *(.u_boot_cmd) }
- __u_boot_cmd_end = .;
-
- . = .;
- __start___ex_table = .;
- __ex_table : { *(__ex_table) }
- __stop___ex_table = .;
-
- . = ALIGN(256);
- __init_begin = .;
- .text.init : { *(.text.init) }
- .data.init : { *(.data.init) }
- . = ALIGN(256);
- __init_end = .;
-
- __bss_start = .;
- .bss :
- {
- *(.sbss) *(.scommon)
- *(.dynbss)
- *(.bss)
- *(COMMON)
- }
- _end = . ;
- PROVIDE (end = .);
-}
projects / oweals / u-boot.git / commitdiff