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Update NAND boot documentation

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Patch by Stefan Roese, 12 Sep 2006
This commit is contained in:
Stefan Roese
2006-09-12 08:49:07 +02:00
parent 98e43917dc
commit a73c8dbb43
4 changed files with 32 additions and 5 deletions
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doc/README.nand-boot-ppc440
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@@ -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>