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Change subject: guybrush: remove RO_GSCVD area from FMAP
......................................................................
Patch Set 2:
(1 comment)
Patchset:
PS2:
> adding julius werner, can you please quote the reason for not using gscvd on CR50 devices by default […]
GSC verification is a feature that will first roll out with Ti50. There is a Cr50 implementation but I believe(?) we ended up deciding not to use that. I think it was added to guybrush here before that decision was made, so taking it back out now seems reasonable.
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Change subject: mb/google/rex: Add WWAN ACPI support
......................................................................
Patch Set 2: Code-Review+2
(1 comment)
File src/mainboard/google/rex/variants/rex0/overridetree.cb:
https://review.coreboot.org/c/coreboot/+/67336/comment/c1498fb2_246361f3
PS2, Line 232: # register "reset_delay_ms" = "1000"
> is this needed?
IIRC, we need 10s wait for FW ready again like power on.
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Change subject: mb/google/rex: Set up MIPI cameras via ACPI
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Patch Set 15:
(1 comment)
File src/mainboard/google/rex/variants/rex0/overridetree.cb:
https://review.coreboot.org/c/coreboot/+/67085/comment/26799110_ad4c86a9
PS15, Line 314: Controls
> clock control seems to be missed for UCAM. […]
UCAM uses its own clock while WCAM gets the clock from host.
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Change subject: mb/google/rex: Set up MIPI cameras via ACPI
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Patch Set 15:
(1 comment)
File src/mainboard/google/rex/variants/rex0/overridetree.cb:
https://review.coreboot.org/c/coreboot/+/67085/comment/90da8c74_51c46221
PS15, Line 314: Controls
clock control seems to be missed for UCAM.
Don't we need to control clock control like WCAM?
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Change subject: Documentation: Add wake source info to device tree documentation
......................................................................
Patch Set 2:
(1 comment)
File Documentation/getting_started/devicetree.md:
https://review.coreboot.org/c/coreboot/+/67385/comment/a6fe5a77_834eac21
PS2, Line 263: The linux kernel has great support for this method.
> Isn't the issue that the kernel doesn't warn the user/developer that they have both wake sources ena […]
I'd argue warning users about messed up firmware is not Linux kernel's task. Quite often users of the message can't do anything about it, and the device might not be running Linux at all...
Can this be added to pre-upload/pre-commit checks?
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Change subject: Documentation: Add wake source info to device tree documentation
......................................................................
Patch Set 2:
(2 comments)
File Documentation/getting_started/devicetree.md:
https://review.coreboot.org/c/coreboot/+/67385/comment/904cf581_9eeeba2b
PS2, Line 96: When this entry is processed during ramstage, it will create a device in the
: ACPI SSDT table (all devices in devicetrees end up in the SSDT table).
Can ramstage be updated to detect when multiple wake sources are registered and generate an error/warning message? Or should (can?) `ACPI_IRQ_WAKE_LEVEL_LOW()` be removed?
https://review.coreboot.org/c/coreboot/+/67385/comment/61d5509a_1fe6bbf0
PS2, Line 263: The linux kernel has great support for this method.
Isn't the issue that the kernel doesn't warn the user/developer that they have both wake sources enabled? Windows may be going overboard by BSODing with that configuration, but silently allowing a config that is not advised and leads to subtle bugs isn't great either.
In a perfect world, a warning message is output indicating that the same device is registering multiple wake sources, which may lead to undefined behavior.
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