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x86: doc: Document coreboot framebuffer driver issue on QEMU

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For some unknown reason, coreboot framebuffer driver never works on
QEMU since day 1. It seems the driver only works on real hardware.
Document this issue.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2016-10-09 04:14:10 -07:00
parent 54cd240731
commit 4dc5e54da3
1 changed files with 3 additions and 0 deletions
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doc/README.x86
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@ -385,6 +385,9 @@ At present it seems that for Minnowboard Max, coreboot does not pass through
the video information correctly (it always says the resolution is 0x0). This
works correctly for link though.
Note: coreboot framebuffer driver does not work on QEMU. The reason is unknown
at this point. Patches are welcome if you figure out anything wrong.
Test with QEMU for bare mode
----------------------------
QEMU is a fancy emulator that can enable us to test U-Boot without access to