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x86: Update README for new developments

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Update a few points which have become out-of-date.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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Simon Glass 2016-03-11 22:07:33 -07:00 committed by Bin Meng
parent a69ed4e6a1
commit f21069ff8a
1 changed files with 13 additions and 3 deletions
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doc/README.x86
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@ -20,8 +20,17 @@ most of the low-level details.
U-Boot also supports booting directly from x86 reset vector, without coreboot. U-Boot also supports booting directly from x86 reset vector, without coreboot.
In this case, known as bare mode, from the fact that it runs on the In this case, known as bare mode, from the fact that it runs on the
'bare metal', U-Boot acts like a BIOS replacement. Currently Link, QEMU x86 'bare metal', U-Boot acts like a BIOS replacement. The following platforms
targets and all Intel boards support running U-Boot 'bare metal'. are supported:
- Bayley Bay
- Cougar Canyon 2 CRB
- Crown Bay CRB
- Galileo
- Link (Chromebook Pixel)
- Minnowboard MAX
- Samus (Chromebook Pixel 2015)
- QEMU x86
As for loading an OS, U-Boot supports directly booting a 32-bit or 64-bit As for loading an OS, U-Boot supports directly booting a 32-bit or 64-bit
Linux kernel as part of a FIT image. It also supports a compressed zImage. Linux kernel as part of a FIT image. It also supports a compressed zImage.
@ -371,7 +380,8 @@ options GENERATE_SFI_TABLE and GENERATE_MP_TABLE.
Driver Model Driver Model
------------ ------------
x86 has been converted to use driver model for serial and GPIO. x86 has been converted to use driver model for serial, GPIO, SPI, SPI flash,
keyboard, real-time clock, USB. Video is in progress.
Device Tree Device Tree
----------- -----------