[U-Boot] [PATCH v3 06/18] x86: Add documention on the samus flashmap

Simon Glass sjg at chromium.org
Thu May 2 16:52:16 UTC 2019


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 at chromium.org>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
---

Changes in v3: None
Changes in v2: None

 doc/README.x86 | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/doc/README.x86 b/doc/README.x86
index fa49cb8b8a2..d5224b75367 100644
--- a/doc/README.x86
+++ b/doc/README.x86
@@ -185,6 +185,20 @@ 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
+   ffa00000	<spare>
+   ff801000	intel-me (address set by descriptor.bin)
+   ff800000	intel-descriptor
+
 ---
 
 Intel Crown Bay specific instructions for bare mode:
-- 
2.21.0.1020.gf2820cf01a-goog



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