diff options
Diffstat (limited to 'nand_spl')
| -rw-r--r-- | nand_spl/board/amcc/canyonlands/Makefile | 105 | ||||
| -rw-r--r-- | nand_spl/board/amcc/canyonlands/config.mk | 49 | ||||
| -rw-r--r-- | nand_spl/board/amcc/canyonlands/ddr2_fixed.c | 96 | ||||
| -rw-r--r-- | nand_spl/board/amcc/canyonlands/u-boot.lds | 65 |
4 files changed, 315 insertions, 0 deletions
diff --git a/nand_spl/board/amcc/canyonlands/Makefile b/nand_spl/board/amcc/canyonlands/Makefile new file mode 100644 index 0000000..1ec1112 --- /dev/null +++ b/nand_spl/board/amcc/canyonlands/Makefile @@ -0,0 +1,105 @@ +# +# (C) Copyright 2008 +# Stefan Roese, DENX Software Engineering, sr@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 +include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk + +LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds +LDFLAGS = -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS) +AFLAGS += -DCONFIG_NAND_SPL +CFLAGS += -DCONFIG_NAND_SPL + +SOBJS := start.o +SOBJS += init.o resetvec.o +SOBJS += resetvec.o +COBJS := ddr2_fixed.o +COBJS += nand_boot.o +COBJS += nand_ecc.o +COBJS += ndfc.o + +SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c)) +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) +__OBJS := $(SOBJS) $(COBJS) +LNDIR := $(OBJTREE)/nand_spl/board/$(BOARDDIR) + +nandobj := $(OBJTREE)/nand_spl/ + +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) + cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \ + -Map $(nandobj)u-boot-spl.map \ + -o $(nandobj)u-boot-spl + +# create symbolic links for common files + +# from cpu directory +$(obj)ndfc.c: + @rm -f $(obj)ndfc.c + ln -s $(SRCTREE)/cpu/ppc4xx/ndfc.c $(obj)ndfc.c + +$(obj)resetvec.S: + @rm -f $(obj)resetvec.S + ln -s $(SRCTREE)/cpu/ppc4xx/resetvec.S $(obj)resetvec.S + +$(obj)start.S: + @rm -f $(obj)start.S + ln -s $(SRCTREE)/cpu/ppc4xx/start.S $(obj)start.S + +# from board directory +$(obj)init.S: + @rm -f $(obj)init.S + ln -s $(SRCTREE)/board/amcc/canyonlands/init.S $(obj)init.S + +# from nand_spl directory +$(obj)nand_boot.c: + @rm -f $(obj)nand_boot.c + ln -s $(SRCTREE)/nand_spl/nand_boot.c $(obj)nand_boot.c + +# from drivers/mtd/nand directory +$(obj)nand_ecc.c: + @rm -f $(obj)nand_ecc.c + ln -s $(SRCTREE)/drivers/mtd/nand/nand_ecc.c $(obj)nand_ecc.c + +######################################################################### + +$(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 $(obj).depend + +######################################################################### diff --git a/nand_spl/board/amcc/canyonlands/config.mk b/nand_spl/board/amcc/canyonlands/config.mk new file mode 100644 index 0000000..6dad876 --- /dev/null +++ b/nand_spl/board/amcc/canyonlands/config.mk @@ -0,0 +1,49 @@ +# +# (C) Copyright 2008 +# Stefan Roese, DENX Software Engineering, sr@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# +# +# AMCC 460EX Reference Platform (Canyonlands) board +# + +# +# TEXT_BASE for SPL: +# +# On 460EX platforms the SPL is located at 0xfffff000...0xffffffff, +# in the last 4kBytes of memory space in cache. +# We will copy this SPL into internal SRAM in start.S. So we set +# TEXT_BASE to starting address in internal SRAM here. +# +TEXT_BASE = 0xE3003000 + +# PAD_TO used to generate a 16kByte binary needed for the combined image +# -> PAD_TO = TEXT_BASE + 0x4000 +PAD_TO = 0xE3007000 + +PLATFORM_CPPFLAGS += -DCONFIG_440=1 + +ifeq ($(debug),1) +PLATFORM_CPPFLAGS += -DDEBUG +endif + +ifeq ($(dbcr),1) +PLATFORM_CPPFLAGS += -DCFG_INIT_DBCR=0x8cff0000 +endif diff --git a/nand_spl/board/amcc/canyonlands/ddr2_fixed.c b/nand_spl/board/amcc/canyonlands/ddr2_fixed.c new file mode 100644 index 0000000..48708a8 --- /dev/null +++ b/nand_spl/board/amcc/canyonlands/ddr2_fixed.c @@ -0,0 +1,96 @@ +/* + * (C) Copyright 2008 + * Stefan Roese, DENX Software Engineering, sr@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 <ppc4xx.h> +#include <asm/io.h> +#include <asm/processor.h> + +static void wait_init_complete(void) +{ + u32 val; + + do { + mfsdram(SDRAM_MCSTAT, val); + } while (!(val & 0x80000000)); +} + +long int initdram(int board_type) +{ + /* + * Reset the DDR-SDRAM controller. + */ + mtsdr(SDR0_SRST, (0x80000000 >> 10)); + mtsdr(SDR0_SRST, 0x00000000); + + /* + * These values are cloned from a running NOR booting + * Canyonlands with SPD-DDR2 detection and calibration + * enabled. This will only work for the same memory + * configuration as used here: + * + * Crucial CT3264AC53E.4FD - 256MB SO-DIMM + * + */ + mtsdram(SDRAM_MCOPT2, 0x00000000); + mtsdram(SDRAM_MCOPT1, 0x05122000); + mtsdram(SDRAM_MODT0, 0x01000000); + mtsdram(SDRAM_CODT, 0x00800021); + mtsdram(SDRAM_WRDTR, 0x82000823); + mtsdram(SDRAM_CLKTR, 0x40000000); + mtsdram(SDRAM_MB0CF, 0x00000201); + mtsdram(SDRAM_RTR, 0x06180000); + mtsdram(SDRAM_SDTR1, 0x80201000); + mtsdram(SDRAM_SDTR2, 0x42103243); + mtsdram(SDRAM_SDTR3, 0x0A0D0D16); + mtsdram(SDRAM_MMODE, 0x00000632); + mtsdram(SDRAM_MEMODE, 0x00000040); + mtsdram(SDRAM_INITPLR0, 0xB5380000); + mtsdram(SDRAM_INITPLR1, 0x82100400); + mtsdram(SDRAM_INITPLR2, 0x80820000); + mtsdram(SDRAM_INITPLR3, 0x80830000); + mtsdram(SDRAM_INITPLR4, 0x80810040); + mtsdram(SDRAM_INITPLR5, 0x80800532); + mtsdram(SDRAM_INITPLR6, 0x82100400); + mtsdram(SDRAM_INITPLR7, 0x8A080000); + mtsdram(SDRAM_INITPLR8, 0x8A080000); + mtsdram(SDRAM_INITPLR9, 0x8A080000); + mtsdram(SDRAM_INITPLR10, 0x8A080000); + mtsdram(SDRAM_INITPLR11, 0x80000432); + mtsdram(SDRAM_INITPLR12, 0x808103C0); + mtsdram(SDRAM_INITPLR13, 0x80810040); + mtsdram(SDRAM_INITPLR14, 0x00000000); + mtsdram(SDRAM_INITPLR15, 0x00000000); + + mtsdram(SDRAM_MCOPT2, 0x28000000); + + wait_init_complete(); + + mtdcr(SDRAM_R0BAS, 0x0000F800); /* MQ0_B0BAS */ + + mtsdram(SDRAM_RDCC, 0x40000000); + mtsdram(SDRAM_RQDC, 0x80000038); + mtsdram(SDRAM_RFDC, 0x00000257); + + return CFG_MBYTES_SDRAM << 20; +} diff --git a/nand_spl/board/amcc/canyonlands/u-boot.lds b/nand_spl/board/amcc/canyonlands/u-boot.lds new file mode 100644 index 0000000..5bffb5b --- /dev/null +++ b/nand_spl/board/amcc/canyonlands/u-boot.lds @@ -0,0 +1,65 @@ +/* + * (C) Copyright 2008 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_ARCH(powerpc:common) +SECTIONS +{ + .resetvec 0xE3003FFC : + { + *(.resetvec) + } = 0xffff + + .text : + { + start.o (.text) + init.o (.text) + nand_boot.o (.text) + ddr2_fixed.o (.text) + ndfc.o (.text) + + *(.text) + *(.fixup) + } + _etext = .; + + .data : + { + *(.rodata*) + *(.data*) + *(.sdata*) + __got2_start = .; + *(.got2) + __got2_end = .; + } + + _edata = .; + + __bss_start = .; + .bss (NOLOAD) : + { + *(.sbss) + *(.bss) + } + + _end = . ; +} |