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| author | Simon Glass <sjg@chromium.org> | 2019-05-02 10:52:16 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2019-05-08 13:02:17 +0800 |
| commit | d4d2521c0635fe31118b23641c06bf2387d69727 (patch) | |
| tree | 6b82cba2cc9be0eb829d9840461d55dc4f31ea54 /doc | |
| parent | 6c456516e24fb23eee01245097ef26885bc8842c (diff) | |
| download | u-boot-d4d2521c0635fe31118b23641c06bf2387d69727.zip u-boot-d4d2521c0635fe31118b23641c06bf2387d69727.tar.gz u-boot-d4d2521c0635fe31118b23641c06bf2387d69727.tar.bz2 | |
x86: Add documentation on the samus flashmap
There are quite a few variables which control where things appear in the
final ROM image. Add a flashmap in the documentation to make this easier
to figure out.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: squashed "x86: Update the memory map a little" in]
[bmeng: fixed typo of 'documentation' in the commit title]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.x86 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/doc/README.x86 b/doc/README.x86 index fa49cb8..8e0a3f3 100644 --- a/doc/README.x86 +++ b/doc/README.x86 @@ -185,6 +185,22 @@ If you are using em100, then this command will flash write -Boot: em100 -s -d filename.rom -c W25Q64CV -r +Flash map for samus / broadwell: + + fffff800 SYS_X86_START16 + ffff0000 RESET_SEG_START + fffd8000 TPL_TEXT_BASE + fffa0000 X86_MRC_ADDR + fff90000 VGA_BIOS_ADDR + ffed0000 SYS_TEXT_BASE + ffea0000 X86_REFCODE_ADDR + ffe70000 SPL_TEXT_BASE + ffbf8000 CONFIG_ENV_OFFSET (environemnt offset) + ffbe0000 rw-mrc-cache (Memory-reference-code cache) + ffa00000 <spare> + ff801000 intel-me (address set by descriptor.bin) + ff800000 intel-descriptor + --- Intel Crown Bay specific instructions for bare mode: |