From a73c8dbb437fb55ecb660cb962c8c1cc85b8a654 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Tue, 12 Sep 2006 08:49:07 +0200 Subject: Update NAND boot documentation Patch by Stefan Roese, 12 Sep 2006 --- doc/README.nand-boot-ppc440 | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'doc/README.nand-boot-ppc440') diff --git a/doc/README.nand-boot-ppc440 b/doc/README.nand-boot-ppc440 index a82a10ee6..a1c1d8c44 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 -- cgit v1.2.3