diff mbox series

[U-Boot,34/40] x86: Add documention on the samus flashmap

Message ID 20190130035935.235565-35-sjg@chromium.org
State Superseded
Delegated to: Bin Meng
Headers show
Series x86: Add support for booting from TPL | expand

Commit Message

Simon Glass Jan. 30, 2019, 3:59 a.m. UTC
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>
---

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

Comments

Bin Meng Feb. 22, 2019, 7:20 a.m. UTC | #1
On Wed, Jan 30, 2019 at 12:01 PM Simon Glass <sjg@chromium.org> wrote:
>
> 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>
> ---
>
>  doc/README.x86 | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
>

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff mbox series

Patch

diff --git a/doc/README.x86 b/doc/README.x86
index fa49cb8b8a..d5224b7536 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: