I keep debugging and find out the MCHBAR+0x5400 - MCHBAR+0x7FFC can be
accessed. The address below 0x5400 can cause hang.
Zheng
From: coreboot on behalf of Zheng Bao
Sent: Monday, January 29, 2018 11:03
On Mon, Jan 29, 2018 at 1:59 PM, Julius Werner wrote:
> In grepping the sources I see the API is provided and only used in a
>> handful of cases, mainly x86.
>>
>> On an ARMv8 target is there a power-off use-case for Coreboot?
>> This is strictly from Coreboot perspective,
>
> In grepping the sources I see the API is provided and only used in a
> handful of cases, mainly x86.
>
> On an ARMv8 target is there a power-off use-case for Coreboot?
> This is strictly from Coreboot perspective, not Depthcharge.
>
You're right, there is no globally standardized power off
Folks,
We are working through the PMIC requirements for Coreboot on our
hardware.
I understand the need for Coreboot to command a reboot, e.g. VerStage
detects FW_A is bad and wants to try FW_B.
What is not clear is what is the use-case for Coreboot to command a
power-off.
In grepping the
After the MRC.bin is loaded and run, the board hang at accessing data in
MCHBAR32. If I move MCHBAR32 backward
before the MRC.bin runs, it still hangs. It seems has nothing to do with
MRC.bin, does it?
/* For reference print the System Agent version
* after executing the UEFI PEI
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