Doc/mb/lenovo: Explain simpler GM45 flash method first

Do not mislead newcomers into thinking the GM45 series laptops are hard
to flash. Describe the simple coreboot flashing procedure first, then
explain how to remove the ME firmware and use a custom flash layout.

Also, reword a sentence on the simple flashing procedure for clarity.

Change-Id: Ie83ec3d20f00e9d9c869e483e24d601506857f07
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48604
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Swift Geek (Sebastian Grzywna) <swiftgeek@gmail.com>
Reviewed-by: Evgeny Zinoviev <me@ch1p.io>
This commit is contained in:
Angel Pons 2020-12-12 19:03:28 +01:00 committed by Hung-Te Lin
parent d0fd7b0693
commit 9223b71a4c
1 changed files with 9 additions and 9 deletions

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@ -9,6 +9,15 @@ the chip in your machine through flashrom:
Note that this does not allow you to determine whether the chip is in a SOIC-8
or a SOIC-16 package.
## Installing with ME firmware
To install coreboot and keep ME working, you don't need to do anything special
with the flash descriptor. Only flash the `bios` region externally and don't
touch any other regions:
```console
# flashrom -p YOUR_PROGRAMMER -w coreboot.rom --ifd -i bios
```
## Installing without ME firmware
```eval_rst
@ -127,15 +136,6 @@ Chipset --->
Then build coreboot and flash whole `build/coreboot.rom` to the chip.
## Installing with ME firmware
To install coreboot and keep ME working, you don't need to do anything special
with the flash descriptor. Just flash only `bios` externally and don't touch any
other regions:
```console
# flashrom -p YOUR_PROGRAMMER -w coreboot.rom --ifd -i bios
```
## Flash layout
The flash layouts of the OEM firmware are as follows: