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| author | Stefan Roese <sr@denx.de> | 2006-09-12 08:49:07 +0200 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2006-09-12 08:49:07 +0200 |
| commit | a73c8dbb437fb55ecb660cb962c8c1cc85b8a654 (patch) | |
| tree | 8d383c53c34301062acbf565746de0475356eca1 | |
| parent | 98e43917dc89631c46d0b8eb481345041912ebee (diff) | |
| download | blackbird-obmc-uboot-a73c8dbb437fb55ecb660cb962c8c1cc85b8a654.tar.gz blackbird-obmc-uboot-a73c8dbb437fb55ecb660cb962c8c1cc85b8a654.zip | |
Update NAND boot documentation
Patch by Stefan Roese, 12 Sep 2006
| -rw-r--r-- | CHANGELOG | 5 | ||||
| -rw-r--r-- | Makefile | 4 | ||||
| -rw-r--r-- | doc/README.nand-boot-ppc440 | 24 | ||||
| -rw-r--r-- | nand_spl/board/amcc/sequoia/Makefile | 4 |
4 files changed, 32 insertions, 5 deletions
@@ -2,7 +2,10 @@ Changes since U-Boot 1.1.4: ====================================================================== -* Add documentation on the latest build environment extensions to +* Update NAND boot documentation + Patch by Stefan Roese, 12 Sep 2006 + +* Add documentation on the latest build environment extensions to the README file. * Remove dead code (i2o and dma) from cpu/mpc824x/drivers/ directory. @@ -78,7 +78,7 @@ saved-output := $(BUILD_DIR) # Attempt to create a output directory. $(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR}) -# Verify if it was successful. +# Verify if it was successful. BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd) $(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist)) endif # ifneq ($(BUILD_DIR),) @@ -272,7 +272,7 @@ $(NAND_SPL): version $(MAKE) -C nand_spl all $(U_BOOT_NAND): $(NAND_SPL) $(obj)u-boot.bin - cat nand_spl/u-boot-spl-4k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin + cat nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin version: @echo -n "#define U_BOOT_VERSION \"U-Boot " > $(VERSION_FILE); \ diff --git a/doc/README.nand-boot-ppc440 b/doc/README.nand-boot-ppc440 index a82a10ee6a..a1c1d8c444 100644 --- a/doc/README.nand-boot-ppc440 +++ b/doc/README.nand-boot-ppc440 @@ -33,4 +33,28 @@ is set up. While still running from cache, I experienced problems accessing the NAND controller. +Example: Build and install NAND boot image for Sequoia (440EPx): + +a) Configure for sequoia with NAND boot support: +# make sequoia_nand_config + +b) Build image(s) +# make + +This will generate the SPL image in the "nand_spl" directory: +nand_spl/u-boot-spl.bin +Also another image is created spanning a whole NAND block (16kBytes): +nand_spl/u-boot-spl-16k.bin +The main NAND U-Boot image is generated in the toplevel directory: +u-boot.bin +A combined image of u-boot-spl-16k.bin and u-boot.bin is also created: +u-boot-nand.bin + +This image should be programmed at offset 0 in the NAND flash: + +# tftp 100000 /tftpboot/sequoia/u-boot-nand.bin +# nand erase 0 60000 +# nand write 100000 0 60000 + + September 07 2006, Stefan Roese <sr@denx.de> diff --git a/nand_spl/board/amcc/sequoia/Makefile b/nand_spl/board/amcc/sequoia/Makefile index 6c07e3dd8d..897aa8b6b7 100644 --- a/nand_spl/board/amcc/sequoia/Makefile +++ b/nand_spl/board/amcc/sequoia/Makefile @@ -35,11 +35,11 @@ COBJS = nand_boot.o ndfc.o sdram.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) -ALL = u-boot-spl u-boot-spl.bin u-boot-spl-4k.bin +ALL = u-boot-spl u-boot-spl.bin u-boot-spl-16k.bin all: $(obj).depend $(ALL) -u-boot-spl-4k.bin: u-boot-spl +u-boot-spl-16k.bin: u-boot-spl $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@ u-boot-spl.bin: u-boot-spl |
