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x86: doc: Update summaries and add links

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Refresh the summary information so it is more up-to-date. Add links to
the coreboot and slimbootloader docs.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass
2023-09-21 07:37:45 -06:00
committed by Bin Meng
parent 0cdf6a778e
commit f0733d26a5
1 changed files with 10 additions and 7 deletions
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17
doc/arch/x86/x86.rst
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@@ -11,9 +11,9 @@ including supported boards, build instructions, todo list, etc.
Status
------
U-Boot supports running as a `coreboot`_ payload on x86. So far only Link
(Chromebook Pixel) and `QEMU`_ x86 targets have been tested, but it should
work with minimal adjustments on other x86 boards since coreboot deals with
most of the low-level details.
(Chromebook Pixel), Brya (Alder Lake Chromebook) and `QEMU`_ x86 targets have
been tested, but it should work with minimal adjustments on other x86 boards
since coreboot deals with most of the low-level details.
U-Boot is a main bootloader on Intel Edison board.
@@ -32,12 +32,14 @@ are supported:
- Link (Ivy Bridge - Chromebook Pixel)
- Minnowboard MAX
- Samus (Broadwell - Chromebook Pixel 2015)
- Coral (Apollo Lake Chromebooks circa 2017)
- QEMU x86 (32-bit & 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.
U-Boot supports loading an x86 VxWorks kernel. Please check README.vxworks
for more details.
for more details. Finally, U-Boot can boot Linux distributions with a UEFI
interface.
Build Instructions for U-Boot as BIOS replacement (bare mode)
-------------------------------------------------------------
@@ -701,9 +703,10 @@ for details of EFI support in U-Boot.
Chain-loading
-------------
U-Boot can be chain-loaded from another bootloader, such as coreboot or
Slim Bootloader. Typically this is done by building for targets 'coreboot' or
'slimbootloader'.
U-Boot can be chain-loaded from another bootloader, such as
:doc:`../../board/coreboot/index` coreboot or
:doc:`../../board/intel/slimbootloader`. Typically this is done by building for
targets 'coreboot' or 'slimbootloader'.
For example, at present we have a 'coreboot' target but this runs very
different code from the bare-metal targets, such as coral. There is very little