GEC2410 boot from NAND FLASH.
Signed-off-by: Hui.Tang zetalabs@gmail.com --- nand_spl/board/gec/gec2410/Makefile | 102 +++++++++++++++++++++++++++++++++ nand_spl/board/gec/gec2410/config.mk | 40 +++++++++++++ nand_spl/board/gec/gec2410/u-boot.lds | 60 +++++++++++++++++++ 3 files changed, 202 insertions(+), 0 deletions(-) create mode 100644 nand_spl/board/gec/gec2410/Makefile create mode 100644 nand_spl/board/gec/gec2410/config.mk create mode 100644 nand_spl/board/gec/gec2410/u-boot.lds
diff --git a/nand_spl/board/gec/gec2410/Makefile b/nand_spl/board/gec/gec2410/Makefile new file mode 100644 index 0000000..1d4cb18 --- /dev/null +++ b/nand_spl/board/gec/gec2410/Makefile @@ -0,0 +1,102 @@ +# +# (C) Copyright 2006-2007 +# Stefan Roese, DENX Software Engineering, sr@denx.de. +# +# (C) Copyright 2008 +# Guennadi Liakhovetki, DENX Software Engineering, lg@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 +# + +CONFIG_NAND_SPL = y + +include $(TOPDIR)/config.mk +include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk + +LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds +LDFLAGS = -Bstatic -T $(nandobj)u-boot.lds -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS) +AFLAGS += -DCONFIG_NAND_SPL +CFLAGS += -DCONFIG_NAND_SPL + +SOBJS = start.o lowlevel_init.o +COBJS = nand_boot.o s3c2410_nand.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) $(nandobj)u-boot.lds + cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \ + -Map $(nandobj)u-boot-spl.map \ + -o $(nandobj)u-boot-spl + +$(nandobj)u-boot.lds: $(LDSCRIPT) + $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@ + +# create symbolic links for common files + +# from cpu directory +$(obj)start.S: + @rm -f $@ + @ln -s $(TOPDIR)/cpu/arm920t/start.S $@ + +# from SoC directory + +# from board directory +$(obj)lowlevel_init.S: + @rm -f $@ + @ln -s $(TOPDIR)/board/gec/gec2410/lowlevel_init.S $@ + +# from nand_spl directory +$(obj)nand_boot.c: + @rm -f $@ + @ln -s $(TOPDIR)/nand_spl/nand_boot.c $@ + +# from drivers/mtd/nand directory +$(obj)s3c2410_nand.c: + @rm -f $@ + @ln -s $(TOPDIR)/drivers/mtd/nand/s3c2410_nand.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/gec/gec2410/config.mk b/nand_spl/board/gec/gec2410/config.mk new file mode 100644 index 0000000..7db7fd1 --- /dev/null +++ b/nand_spl/board/gec/gec2410/config.mk @@ -0,0 +1,40 @@ +# +# (C) Copyright 2006 +# 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 +# +# +# GEC2410 Study Platform (gec2410) board + +# TEXT_BASE for SPL: +# +# On S3C2410 platforms the SPL is located in SRAM at 0. +# +TEXT_BASE = 0 + +include $(TOPDIR)/board/$(BOARDDIR)/config.mk + +# PAD_TO used to generate a 4kByte binary needed for the combined image +# -> PAD_TO = TEXT_BASE + 4096 +PAD_TO := 0x00001000 + +ifeq ($(debug),1) +PLATFORM_CPPFLAGS += -DDEBUG +endif diff --git a/nand_spl/board/gec/gec2410/u-boot.lds b/nand_spl/board/gec/gec2410/u-boot.lds new file mode 100644 index 0000000..5871f7e --- /dev/null +++ b/nand_spl/board/gec/gec2410/u-boot.lds @@ -0,0 +1,60 @@ +/* + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, garyj@denx.de + * + * (C) Copyright 2008 + * Guennadi Liakhovetki, DENX Software Engineering, lg@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_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + start.o (.text) + nand_boot.o (.text) + + *(.text) + } + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) . = ALIGN(4); } + _end = .; +}