From d4d2521c0635fe31118b23641c06bf2387d69727 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Thu, 2 May 2019 10:52:16 -0600 Subject: [PATCH] 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 Reviewed-by: Bin Meng [bmeng: squashed "x86: Update the memory map a little" in] [bmeng: fixed typo of 'documentation' in the commit title] Signed-off-by: Bin Meng --- doc/README.x86 | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) 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 + ff801000 intel-me (address set by descriptor.bin) + ff800000 intel-descriptor + --- Intel Crown Bay specific instructions for bare mode: -- 2.7.4