From: Matthew McClintock <[email protected]> Add defines needed to access NAND, remove second flash bank that is actually connected to NAND.
Add nand booting support for P1022DS with hardcoded DDR config Signed-off-by: Matthew McClintock <[email protected]> Signed-off-by: Jerry Huang <[email protected]> Signed-off-by: Jiang Yutang <[email protected]> --- board/freescale/p1022ds/law.c | 3 + board/freescale/p1022ds/tlb.c | 25 +++-- boards.cfg | 2 + include/configs/P1022DS.h | 121 +++++++++++++++++++++-- nand_spl/board/freescale/p1022ds/Makefile | 137 ++++++++++++++++++++++++++ nand_spl/board/freescale/p1022ds/nand_boot.c | 132 +++++++++++++++++++++++++ 6 files changed, 401 insertions(+), 19 deletions(-) create mode 100644 nand_spl/board/freescale/p1022ds/Makefile create mode 100644 nand_spl/board/freescale/p1022ds/nand_boot.c diff --git a/board/freescale/p1022ds/law.c b/board/freescale/p1022ds/law.c index b23b8f9..476069c 100644 --- a/board/freescale/p1022ds/law.c +++ b/board/freescale/p1022ds/law.c @@ -16,6 +16,9 @@ struct law_entry law_table[] = { SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_LBC), SET_LAW(PIXIS_BASE_PHYS, LAW_SIZE_4K, LAW_TRGT_IF_LBC), +#ifdef CONFIG_SYS_NAND_BASE_PHYS + SET_LAW(CONFIG_SYS_NAND_BASE_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_LBC), +#endif }; int num_law_entries = ARRAY_SIZE(law_table); diff --git a/board/freescale/p1022ds/tlb.c b/board/freescale/p1022ds/tlb.c index 71e71f7..1301c78 100644 --- a/board/freescale/p1022ds/tlb.c +++ b/board/freescale/p1022ds/tlb.c @@ -41,6 +41,18 @@ struct fsl_e_tlb_entry tlb_table[] = { MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, 1, BOOKE_PAGESZ_1M, 1), +#ifdef CONFIG_SYS_NAND_BASE + /* *I*G - NAND */ + SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 10, BOOKE_PAGESZ_1M, 1), +#endif + + SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 7, BOOKE_PAGESZ_4K, 1), + +#ifndef CONFIG_NAND_SPL /* W**G* - Flash/promjet, localbus */ /* This will be changed to *I*G* after relocation to RAM. */ SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS, @@ -67,24 +79,19 @@ struct fsl_e_tlb_entry tlb_table[] = { SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_IO_VIRT, CONFIG_SYS_PCIE3_IO_PHYS, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, 6, BOOKE_PAGESZ_256K, 1), - - SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE_PHYS, - MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, - 0, 7, BOOKE_PAGESZ_4K, 1), +#endif #ifdef CONFIG_SYS_RAMBOOT /* *I*G - eSDHC/eSPI/NAND boot */ SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE, MAS3_SX|MAS3_SW|MAS3_SR, 0, 0, 8, BOOKE_PAGESZ_1G, 1), - - /* map the second 1G */ + /* *I*G - eSDHC/eSPI/NAND boot - second 1GB of memory */ SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000, - CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000, - MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000, + MAS3_SX|MAS3_SW|MAS3_SR, 0, 0, 9, BOOKE_PAGESZ_1G, 1), #endif -# }; int num_tlb_entries = ARRAY_SIZE(tlb_table); diff --git a/boards.cfg b/boards.cfg index 42e5ae0..418e5fe 100644 --- a/boards.cfg +++ b/boards.cfg @@ -699,6 +699,8 @@ P1021RDB-PC_NAND powerpc mpc85xx p1_p2_rdb_pc freesca P1021RDB-PC_SDCARD powerpc mpc85xx p1_p2_rdb_pc freescale - p1_p2_rdb_pc:P1021RDB,SDCARD P1021RDB-PC_SPIFLASH powerpc mpc85xx p1_p2_rdb_pc freescale - p1_p2_rdb_pc:P1021RDB,SPIFLASH P1022DS powerpc mpc85xx p1022ds freescale +P1022DS_NAND powerpc mpc85xx p1022ds freescale - P1022DS:NAND +P1022DS_36BIT_NAND powerpc mpc85xx p1022ds freescale - P1022DS:36BIT,NAND P1022DS_SPIFLASH powerpc mpc85xx p1022ds freescale - P1022DS:SPIFLASH P1022DS_36BIT_SPIFLASH powerpc mpc85xx p1022ds freescale - P1022DS:36BIT,SPIFLASH P1022DS_SDCARD powerpc mpc85xx p1022ds freescale - P1022DS:SDCARD diff --git a/include/configs/P1022DS.h b/include/configs/P1022DS.h index ea1d19f..de48e55 100644 --- a/include/configs/P1022DS.h +++ b/include/configs/P1022DS.h @@ -34,6 +34,20 @@ #define CONFIG_RESET_VECTOR_ADDRESS 0x1107fffc #endif +#define CONFIG_NAND_FSL_ELBC +#if defined(CONFIG_NAND) && defined(CONFIG_NAND_FSL_ELBC) +#define CONFIG_NAND_U_BOOT +#define CONFIG_RAMBOOT_NAND +#define CONFIG_SYS_EXTRA_ENV_RELOC +#define CONFIG_SYS_RAMBOOT +#define CONFIG_SYS_TEXT_BASE_SPL 0xff800000 +#ifdef CONFIG_NAND_SPL +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE_SPL +#else +#define CONFIG_SYS_TEXT_BASE 0x11001000 +#endif /* CONFIG_NAND_SPL */ +#endif + /* High Level Configuration Options */ #define CONFIG_BOOKE /* BOOKE */ #define CONFIG_E500 /* BOOKE e500 family */ @@ -84,6 +98,12 @@ #define CONFIG_SYS_CCSRBAR 0xffe00000 #define CONFIG_SYS_CCSRBAR_PHYS_LOW CONFIG_SYS_CCSRBAR +/* IN case of NAND bootloader relocate CCSRBAR in RAMboot code not in the 4k + SPL code*/ +#if defined(CONFIG_NAND_U_BOOT) && defined(CONFIG_NAND_SPL) +#define CONFIG_SYS_CCSR_DO_NOT_RELOCATE +#endif + /* DDR Setup */ #define CONFIG_DDR_SPD #define CONFIG_VERY_BIG_RAM @@ -105,6 +125,30 @@ #define CONFIG_SYS_SPD_BUS_NUM 1 #define SPD_EEPROM_ADDRESS 0x51 /* CTLR 0 DIMM 0 */ +/* These are used when DDR doesn't use SPD. */ +#define CONFIG_SYS_SDRAM_SIZE 2048 +#define CONFIG_SYS_SDRAM_SIZE_LAW LAW_SIZE_2G +#define CONFIG_SYS_DDR_CS0_BNDS 0x0000003F +#define CONFIG_SYS_DDR_CS0_CONFIG 0x80014202 +#define CONFIG_SYS_DDR_CS1_BNDS 0x0040007F +#define CONFIG_SYS_DDR_CS1_CONFIG 0x80014202 +#define CONFIG_SYS_DDR_TIMING_3 0x00010000 +#define CONFIG_SYS_DDR_TIMING_0 0x40110104 +#define CONFIG_SYS_DDR_TIMING_1 0x5c5bd746 +#define CONFIG_SYS_DDR_TIMING_2 0x0fa8d4ca +#define CONFIG_SYS_DDR_MODE_1 0x00441221 +#define CONFIG_SYS_DDR_MODE_2 0x00000000 +#define CONFIG_SYS_DDR_INTERVAL 0x0a280100 +#define CONFIG_SYS_DDR_DATA_INIT 0xdeadbeef +#define CONFIG_SYS_DDR_CLK_CTRL 0x02800000 +#define CONFIG_SYS_DDR_CONTROL 0xc7000008 +#define CONFIG_SYS_DDR_CONTROL_2 0x24401041 +#define CONFIG_SYS_DDR_TIMING_4 0x00220001 +#define CONFIG_SYS_DDR_TIMING_5 0x02401400 +#define CONFIG_SYS_DDR_ZQ_CONTROL 0x89080600 +#define CONFIG_SYS_DDR_WRLVL_CONTROL 0x8675f608 + + /* * Memory map * @@ -118,6 +162,7 @@ * Localbus non-cacheable * 0xe000_0000 0xe80f_ffff Promjet/free 128M non-cacheable * 0xe800_0000 0xefff_ffff FLASH 128M non-cacheable + * 0xff80_0000 0xff8f_ffff NAND 1M non-cacheable * 0xffdf_0000 0xffdf_7fff PIXIS 32K non-cacheable TLB0 * 0xffd0_0000 0xffd0_3fff L1 for stack 16K Cacheable TLB0 * 0xffe0_0000 0xffef_ffff CCSR 1M non-cacheable @@ -126,38 +171,89 @@ /* * Local Bus Definitions */ -#define CONFIG_SYS_FLASH_BASE 0xe0000000 /* start of FLASH 128M */ +#define CONFIG_SYS_FLASH_BASE 0xe8000000 /* start of FLASH 128M */ #ifdef CONFIG_PHYS_64BIT -#define CONFIG_SYS_FLASH_BASE_PHYS 0xfe0000000ull +#define CONFIG_SYS_FLASH_BASE_PHYS 0xfe8000000ull #else #define CONFIG_SYS_FLASH_BASE_PHYS CONFIG_SYS_FLASH_BASE #endif #define CONFIG_FLASH_BR_PRELIM \ - (BR_PHYS_ADDR((CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000)) | BR_PS_16 | BR_V) + (BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS) | BR_PS_16 | BR_V) #define CONFIG_FLASH_OR_PRELIM (OR_AM_128MB | 0xff7) +#ifdef CONFIG_NAND_U_BOOT +#define CONFIG_SYS_BR1_PRELIM CONFIG_FLASH_BR_PRELIM /* NOR Base Address */ +#define CONFIG_SYS_OR1_PRELIM CONFIG_FLASH_OR_PRELIM /* NOR Options */ +#else #define CONFIG_SYS_BR0_PRELIM CONFIG_FLASH_BR_PRELIM /* NOR Base Address */ #define CONFIG_SYS_OR0_PRELIM CONFIG_FLASH_OR_PRELIM /* NOR Options */ +#endif -#define CONFIG_SYS_BR1_PRELIM \ - (BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS) | BR_PS_16 | BR_V) -#define CONFIG_SYS_OR1_PRELIM CONFIG_FLASH_OR_PRELIM - -#define CONFIG_SYS_FLASH_BANKS_LIST \ - {CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000, CONFIG_SYS_FLASH_BASE_PHYS} +#define CONFIG_SYS_FLASH_BANKS_LIST {CONFIG_SYS_FLASH_BASE_PHYS} #define CONFIG_SYS_FLASH_QUIET_TEST #define CONFIG_FLASH_SHOW_PROGRESS 45 /* count down from 45/5: 9..1 */ -#define CONFIG_SYS_MAX_FLASH_BANKS 2 +#define CONFIG_SYS_MAX_FLASH_BANKS 1 #define CONFIG_SYS_MAX_FLASH_SECT 1024 +#ifndef CONFIG_SYS_MONITOR_BASE #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* start of monitor */ +#endif #define CONFIG_FLASH_CFI_DRIVER #define CONFIG_SYS_FLASH_CFI #define CONFIG_SYS_FLASH_EMPTY_INFO +/* Nand Flash */ +#ifdef CONFIG_NAND_FSL_ELBC +#define CONFIG_SYS_NAND_BASE 0xff800000 +#ifdef CONFIG_PHYS_64BIT +#define CONFIG_SYS_NAND_BASE_PHYS 0xfff800000ull +#else +#define CONFIG_SYS_NAND_BASE_PHYS CONFIG_SYS_NAND_BASE +#endif + +#define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND_BASE, } +#define CONFIG_SYS_MAX_NAND_DEVICE 1 +#define CONFIG_MTD_NAND_VERIFY_WRITE +#define CONFIG_CMD_NAND 1 +#define CONFIG_SYS_NAND_BLOCK_SIZE (256 * 1024) +#define CONFIG_ELBC_NAND_SPL_STATIC_PGSIZE + +/* NAND boot: 4K NAND loader config */ +#define CONFIG_SYS_NAND_SPL_SIZE 0x1000 +#define CONFIG_SYS_NAND_U_BOOT_SIZE ((512 << 10) + CONFIG_SYS_NAND_SPL_SIZE) +#define CONFIG_SYS_NAND_U_BOOT_DST (0x11000000 - CONFIG_SYS_NAND_SPL_SIZE) +#define CONFIG_SYS_NAND_U_BOOT_START 0x11000000 +#define CONFIG_SYS_NAND_U_BOOT_OFFS (0) +#define CONFIG_SYS_NAND_U_BOOT_RELOC 0x00010000 +#define CONFIG_SYS_NAND_U_BOOT_RELOC_SP (CONFIG_SYS_NAND_U_BOOT_RELOC + 0x10000) + +/* NAND flash config */ +#define CONFIG_SYS_NAND_BR_PRELIM (BR_PHYS_ADDR(CONFIG_SYS_NAND_BASE_PHYS) \ + | (2<<BR_DECC_SHIFT) /* Use HW ECC */ \ + | BR_PS_8 /* Port Size = 8 bit */ \ + | BR_MS_FCM /* MSEL = FCM */ \ + | BR_V) /* valid */ +#define CONFIG_SYS_NAND_OR_PRELIM ( OR_AM_256KB /* length 256K */ \ + | OR_FCM_PGS /* Large Page*/ \ + | OR_FCM_CSCT \ + | OR_FCM_CST \ + | OR_FCM_CHT \ + | OR_FCM_SCY_1 \ + | OR_FCM_TRLX \ + | OR_FCM_EHTR) +#ifdef CONFIG_NAND_U_BOOT +#define CONFIG_SYS_BR0_PRELIM CONFIG_SYS_NAND_BR_PRELIM /* NAND Base Address */ +#define CONFIG_SYS_OR0_PRELIM CONFIG_SYS_NAND_OR_PRELIM /* NAND Options */ +#else +#define CONFIG_SYS_BR1_PRELIM CONFIG_SYS_NAND_BR_PRELIM /* NAND Base Address */ +#define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_NAND_OR_PRELIM /* NAND Options */ +#endif + +#endif /* CONFIG_NAND_FSL_ELBC */ + #define CONFIG_BOARD_EARLY_INIT_F #define CONFIG_BOARD_EARLY_INIT_R #define CONFIG_MISC_INIT_R @@ -177,6 +273,8 @@ #define PIXIS_LBMAP_SWITCH 7 #define PIXIS_LBMAP_MASK 0xF0 #define PIXIS_LBMAP_ALTBANK 0x20 +#define PIXIS_SPD 0x07 +#define PIXIS_SPD_SYSCLK_MASK 0x07 #define PIXIS_ELBC_SPI_MASK 0xc0 #define PIXIS_SPI 0x80 @@ -199,6 +297,9 @@ #define CONFIG_SYS_NS16550_SERIAL #define CONFIG_SYS_NS16550_REG_SIZE 1 #define CONFIG_SYS_NS16550_CLK get_bus_freq(0) +#ifdef CONFIG_NAND_SPL +#define CONFIG_NS16550_MIN_FUNCTIONS +#endif #define CONFIG_SYS_BAUDRATE_TABLE \ {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200} diff --git a/nand_spl/board/freescale/p1022ds/Makefile b/nand_spl/board/freescale/p1022ds/Makefile new file mode 100644 index 0000000..475cc49 --- /dev/null +++ b/nand_spl/board/freescale/p1022ds/Makefile @@ -0,0 +1,137 @@ +# +# (C) Copyright 2007 +# Stefan Roese, DENX Software Engineering, [email protected]. +# +# Copyright 2011 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 +# + +NAND_SPL := y +CONFIG_SYS_TEXT_BASE_SPL := 0xfff00000 +PAD_TO := 0xff801000 + +include $(TOPDIR)/config.mk + +nandobj := $(OBJTREE)/nand_spl/ + +LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds +LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \ + $(LDFLAGS) $(LDFLAGS_FINAL) +AFLAGS += -DCONFIG_NAND_SPL +CFLAGS += -DCONFIG_NAND_SPL + +SOBJS = start.o resetvec.o +COBJS = cache.o cpu_init_early.o cpu_init_nand.o fsl_law.o law.o \ + nand_boot.o nand_boot_fsl_elbc.o ns16550.o tlb.o tlb_table.o + +SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c)) +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) +__OBJS := $(SOBJS) $(COBJS) +LNDIR := $(nandobj)board/$(BOARDDIR) + +ALL = $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin + +all: $(obj).depend $(ALL) + +$(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl + $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@ + +$(nandobj)u-boot-spl.bin: $(nandobj)u-boot-spl + $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ + +$(nandobj)u-boot-spl: $(OBJS) $(nandobj)u-boot-nand_spl.lds + cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) $(PLATFORM_LIBS) \ + -Map $(nandobj)u-boot-spl.map \ + -o $(nandobj)u-boot-spl + +$(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT) + $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@ + +# create symbolic links for common files + +$(obj)cache.c: + @rm -f $(obj)cache.c + ln -sf $(SRCTREE)/arch/powerpc/lib/cache.c $(obj)cache.c + +$(obj)cpu_init_early.c: + @rm -f $(obj)cpu_init_early.c + ln -sf $(SRCTREE)/$(CPUDIR)/cpu_init_early.c $(obj)cpu_init_early.c + +$(obj)cpu_init_nand.c: + @rm -f $(obj)cpu_init_nand.c + ln -sf $(SRCTREE)/$(CPUDIR)/cpu_init_nand.c $(obj)cpu_init_nand.c + +$(obj)fsl_law.c: + @rm -f $(obj)fsl_law.c + ln -sf $(SRCTREE)/drivers/misc/fsl_law.c $(obj)fsl_law.c + +$(obj)law.c: + @rm -f $(obj)law.c + ln -sf $(SRCTREE)/board/$(BOARDDIR)/law.c $(obj)law.c + +$(obj)nand_boot_fsl_elbc.c: + @rm -f $(obj)nand_boot_fsl_elbc.c + ln -sf $(SRCTREE)/nand_spl/nand_boot_fsl_elbc.c \ + $(obj)nand_boot_fsl_elbc.c + +$(obj)ns16550.c: + @rm -f $(obj)ns16550.c + ln -sf $(SRCTREE)/drivers/serial/ns16550.c $(obj)ns16550.c + +$(obj)resetvec.S: + @rm -f $(obj)resetvec.S + ln -s $(SRCTREE)/$(CPUDIR)/resetvec.S $(obj)resetvec.S + +$(obj)fixed_ivor.S: + @rm -f $(obj)fixed_ivor.S + ln -sf $(SRCTREE)/$(CPUDIR)/fixed_ivor.S $(obj)fixed_ivor.S + +$(obj)start.S: $(obj)fixed_ivor.S + @rm -f $(obj)start.S + ln -sf $(SRCTREE)/$(CPUDIR)/start.S $(obj)start.S + +$(obj)tlb.c: + @rm -f $(obj)tlb.c + ln -sf $(SRCTREE)/$(CPUDIR)/tlb.c $(obj)tlb.c + +$(obj)tlb_table.c: + @rm -f $(obj)tlb_table.c + ln -sf $(SRCTREE)/board/$(BOARDDIR)/tlb.c $(obj)tlb_table.c + +ifneq ($(OBJTREE), $(SRCTREE)) +$(obj)nand_boot.c: + @rm -f $(obj)nand_boot.c + ln -s $(SRCTREE)/nand_spl/board/$(BOARDDIR)/nand_boot.c $(obj)nand_boot.c +endif + +######################################################################### + +$(obj)%.o: $(obj)%.S + $(CC) $(AFLAGS) -c -o $@ $< + +$(obj)%.o: $(obj)%.c + $(CC) $(CFLAGS) -c -o $@ $< + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/nand_spl/board/freescale/p1022ds/nand_boot.c b/nand_spl/board/freescale/p1022ds/nand_boot.c new file mode 100644 index 0000000..b2aaf2b --- /dev/null +++ b/nand_spl/board/freescale/p1022ds/nand_boot.c @@ -0,0 +1,132 @@ +/* + * Copyright 2011 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 <common.h> +#include <ns16550.h> +#include <asm/io.h> +#include <nand.h> +#include <asm/fsl_law.h> +#include <asm/fsl_ddr_sdram.h> + +#define udelay(x) {int i, j; for (i = 0; i < x; i++) for (j = 0; j < 10000; j++); } + +/* + * Fixed sdram init -- doesn't use serial presence detect. + */ +void sdram_init(void) +{ + volatile ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC85xx_DDR_ADDR; + + out_be32(&ddr->cs0_bnds, CONFIG_SYS_DDR_CS0_BNDS); + out_be32(&ddr->cs0_config, CONFIG_SYS_DDR_CS0_CONFIG); +#if CONFIG_CHIP_SELECTS_PER_CTRL > 1 + out_be32(&ddr->cs1_bnds, CONFIG_SYS_DDR_CS1_BNDS); + out_be32(&ddr->cs1_config, CONFIG_SYS_DDR_CS1_CONFIG); +#endif + out_be32(&ddr->timing_cfg_3, CONFIG_SYS_DDR_TIMING_3); + out_be32(&ddr->timing_cfg_0, CONFIG_SYS_DDR_TIMING_0); + out_be32(&ddr->timing_cfg_1, CONFIG_SYS_DDR_TIMING_1); + out_be32(&ddr->timing_cfg_2, CONFIG_SYS_DDR_TIMING_2); + + out_be32(&ddr->sdram_cfg_2, CONFIG_SYS_DDR_CONTROL_2); + out_be32(&ddr->sdram_mode, CONFIG_SYS_DDR_MODE_1); + out_be32(&ddr->sdram_mode_2, CONFIG_SYS_DDR_MODE_2); + + out_be32(&ddr->sdram_interval, CONFIG_SYS_DDR_INTERVAL); + out_be32(&ddr->sdram_data_init, CONFIG_SYS_DDR_DATA_INIT); + out_be32(&ddr->sdram_clk_cntl, CONFIG_SYS_DDR_CLK_CTRL); + + out_be32(&ddr->timing_cfg_4, CONFIG_SYS_DDR_TIMING_4); + out_be32(&ddr->timing_cfg_5, CONFIG_SYS_DDR_TIMING_5); + out_be32(&ddr->ddr_zq_cntl, CONFIG_SYS_DDR_ZQ_CONTROL); + out_be32(&ddr->ddr_wrlvl_cntl, CONFIG_SYS_DDR_WRLVL_CONTROL); + + /* Set, but do not enable the memory */ + out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL & ~SDRAM_CFG_MEM_EN); + + asm volatile("sync;isync"); + udelay(500); + + /* Let the controller go */ + out_be32(&ddr->sdram_cfg, in_be32(&ddr->sdram_cfg) | SDRAM_CFG_MEM_EN); + + set_next_law(0, CONFIG_SYS_SDRAM_SIZE_LAW, LAW_TRGT_IF_DDR_1); +} + +u32 sysclk_tbl[] = { + 66666000, 7499900, 83332500, 8999900, + 99999000, 11111000, 12499800, 13333200 +}; + +void board_init_f(ulong bootflag) +{ + int px_spd; + u32 plat_ratio, bus_clk, sys_clk; + ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; + +#if defined(CONFIG_SYS_BR2_PRELIM) && defined(CONFIG_SYS_OR2_PRELIM) + /* for FPGA */ + set_lbc_br(2, CONFIG_SYS_BR2_PRELIM); + set_lbc_or(2, CONFIG_SYS_OR2_PRELIM); +#else +#error CONFIG_SYS_BR2_PRELIM, CONFIG_SYS_OR2_PRELIM must be defined +#endif + + /* initialize selected port with appropriate baud rate */ + px_spd = in_8((unsigned char *)(PIXIS_BASE + PIXIS_SPD)); + sys_clk = sysclk_tbl[px_spd & PIXIS_SPD_SYSCLK_MASK]; + plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; + bus_clk = sys_clk * plat_ratio / 2; + + NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, + bus_clk / 16 / CONFIG_BAUDRATE); + + puts("\nNAND boot... "); + + /* Initialize the DDR3 */ + sdram_init(); + + /* copy code to RAM and jump to it - this should not return */ + /* NOTE - code has to be copied out of NAND buffer before + * other blocks can be read. + */ + relocate_code(CONFIG_SYS_NAND_U_BOOT_RELOC_SP, 0, + CONFIG_SYS_NAND_U_BOOT_RELOC); +} + +void board_init_r(gd_t *gd, ulong dest_addr) +{ + nand_boot(); +} + +void putc(char c) +{ + if (c == '\n') + NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r'); + + NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c); +} + +void puts(const char *str) +{ + while (*str) + putc(*str++); +} -- 1.7.3.4 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
