diff options
Diffstat (limited to 'nand_spl')
| -rw-r--r-- | nand_spl/board/freescale/p1_p2_rdb_pc/Makefile | 137 | ||||
| -rw-r--r-- | nand_spl/board/freescale/p1_p2_rdb_pc/nand_boot.c | 134 |
2 files changed, 271 insertions, 0 deletions
diff --git a/nand_spl/board/freescale/p1_p2_rdb_pc/Makefile b/nand_spl/board/freescale/p1_p2_rdb_pc/Makefile new file mode 100644 index 0000000..475cc49 --- /dev/null +++ b/nand_spl/board/freescale/p1_p2_rdb_pc/Makefile @@ -0,0 +1,137 @@ +# +# (C) Copyright 2007 +# Stefan Roese, DENX Software Engineering, sr@denx.de. +# +# 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/p1_p2_rdb_pc/nand_boot.c b/nand_spl/board/freescale/p1_p2_rdb_pc/nand_boot.c new file mode 100644 index 0000000..b9796ea --- /dev/null +++ b/nand_spl/board/freescale/p1_p2_rdb_pc/nand_boot.c @@ -0,0 +1,134 @@ +/* + * 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) +{ + 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); +} + +void board_init_f(ulong bootflag) +{ + u32 plat_ratio, bus_clk; + ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; +#ifndef CONFIG_QE + ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR); +#endif + + /* initialize selected port with appropriate baud rate */ + plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; + plat_ratio >>= 1; + bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; + + NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, + bus_clk / 16 / CONFIG_BAUDRATE); + + puts("\nNAND boot... "); + +#ifndef CONFIG_QE + /* init DDR3 reset signal */ + out_be32(&pgpio->gpdir, 0x02000000); + out_be32(&pgpio->gpodr, 0x00200000); + out_be32(&pgpio->gpdat, 0x00000000); + udelay(1000); + out_be32(&pgpio->gpdat, 0x00200000); + udelay(1000); + out_be32(&pgpio->gpdir, 0x00000000); +#endif + + /* 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++); +} |