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Change subject: mainboard/google/brox: Add FW_CONFIG and SKU definitions to support lotso
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Patch Set 3:
(1 comment)
File src/mainboard/google/brox/variants/brox/overridetree.cb:
https://review.coreboot.org/c/coreboot/+/82630/comment/5c4bd1c5_1b578ff3?us… :
PS3, Line 19: option AUDIO_REALTEK_ALC3287 2
> Yeah, as Shelley pointed out each variant can have its own FW_CONFIG and hence no need to align them […]
Done
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Change subject: mb/google/trogdor: Add new vaviant mrbland
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Patch Set 2: Code-Review+1
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Change subject: mb/google/trogdor: Add new configs homestar
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Patch Set 9: Code-Review+1
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Change subject: mb/dell/optiplex_9020: Implement late HWM initialization
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Patch Set 11:
(1 comment)
File src/mainboard/dell/optiplex_9020/mainboard.c:
https://review.coreboot.org/c/coreboot/+/81529/comment/c16b5aab_5944f7af?us… :
PS11, Line 310: / rapl_power_unit
> > I think the low 4 bits of MSR_RAPL_POWER_UNIT are simply never 0 on the hardware in question (And […]
I had a bit of a brain fart there, i dont know why i read `1 << (rapl_power_unit - 1)`....
But taking into account that it's actually the one starting with `2`, your original suggestion is the way to go, will post patch.
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Change subject: [UNTESTED] Makefile: Move `--no-warn-rwx-segments' into xcompile
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Patch Set 2:
(1 comment)
Patchset:
PS2:
> > After how much time can we consider that the GCC FLAG can be added to Makefile. […]
No problem if you think that 'util/xcompile/xcompile' is the right place for GCC FLAGs
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Change subject: [RFC]util/cbfstool: Rewrite trampoline in C
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Patch Set 4:
(1 comment)
Patchset:
PS4:
Hey Arthur, this patch was looked at during the bi-weekly group review meeting and the comments came from the entire group.
You marked the patch as RFC, which is why we commented.
I don't think anyone was necessarily against this update, people were just pointing out possible issues - which are the same for every time we refactor working code or port something from pure ASM to inline ASM. There was a concern about the GCC team's choices for inline assembly which is where the comment came from. We rely on it pretty heavily at this point though, so if it's going to break here, it's likely to break elsewhere as well.
> Making a 64bit version of this would trivial if it's compiled. Assembly would be pain.
I think this is a good argument for the switch, or at least for using this code for 64-bit booting.
>> The ASM is well tested and doesn't really change much.
> Then the same would apply to a C version.
The point of that comment was that ASM version has been around for over a decade. In a decade, the C version could say the same, but the longevity of the C version has not yet been stress tested.
If this is a concern to people, we could use the C version for x64 until there's confidence and its use could be expanded to the full x86 platform.
Additionally, we can further vet the patch by looking at the output from a few generations of GCC to verify that the ASM output by the C version does the same thing as the ASM version.
Since you're not currently working on this, should it be marked WIP until you're ready to pick it up again?
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Change subject: [UNTESTED] Makefile: Move `--no-warn-rwx-segments' into xcompile
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Patch Set 2:
(1 comment)
Patchset:
PS2:
> After how much time can we consider that the GCC FLAG can be added to Makefile.mk and removed from 'util/xcompile/xcompile'?
>
> If we continue to add new GCC flags without removing them at some point, we will end up having the majority of GCC flags in 'xcompile'
what's the problem with that?
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Change subject: soc/intel/ptl: Do initial Panther Lake SoC commit till bootblock
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Patch Set 35:
(1 comment)
File src/soc/intel/pantherlake/Kconfig:
https://review.coreboot.org/c/coreboot/+/83354/comment/818eb259_d2e21928?us… :
PS30, Line 141: 0xfe02c000
> why would FSP even bother to initialise the UART when we are setting UPD to PchSerialIoSkipInit to ensure FSP is not reprogramming the UART again.
> > We are setting PchSerialIopci in lpss uart0 same as previous platforms.
I will try setting PchSerialIoSkipInit for MTL and share my feedback.
>
> Looking at the FSP code imo is not the correct practice for below reasons
>
> what if tomorrow FSP decides to change this address again, how to ensure FSP and coreboot status in sync?
> not everyone has FSP source code to take a look.
>
> It would be ideal if we could keep this minimal bootloader requirement in the FSP integration guide (if possible) or if FSP could publish its own memory map so that the BL knows which addresses to avoid. In my opinion, this is just another reserved range that belongs to PCH reserved memory, so there is no need to "align" to FSP. FSP and coreboot can have different addresses as long as FSP honors the UPD (PchSerialIoSkipInit) and does not touch the UART.
> > Agree on that we started discussion to bring UPD in FSPM/S where we can pass the address which FSP should use no need to see the FSP code or align to FSP. currently this UPD is part of FSPT.
we don't use FSP-T hence, ideally this is not applicable to us.
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