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mb/google/trulo/var/pujjolo: Change setting for lite ISH fw

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Use fw config bit 29 to identify different ish files in pujjolo
when ISH_PRESENT and pujjoquince when ISH_ABSENT.

ISH_PRESENT : pujjolo_ish.bin
ISH_ABSENT : lite_ish.bin

BUG=b:437881361
TEST=Build and boot to OS, check pujjolo and pujjoquince load
corresponding ish file using command ectool --name=cros_ish version and test warmboot/coldboot/suspend pass.

Change-Id: I61b90881abcad368dd668f2631f061b0ea00b57f
Signed-off-by: Luca Lai <luca.lai@lcfc.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/89074
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
This commit is contained in:
Luca Lai 2025-09-05 22:37:45 +08:00 • committed by Subrata Banik
commit a348ef46db
1 changed files with 8 additions and 1 deletions
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9
src/mainboard/google/brya/variants/pujjolo/overridetree.cb
View file

@ -518,10 +518,17 @@ chip soc/intel/alderlake
chip drivers/intel/ish
register "add_acpi_dma_property" = "true"
register "firmware_name" = ""pujjolo_ish.bin""
device generic 0 on
device generic 1 on
probe ISH ISH_PRESENT
end
end
chip drivers/intel/ish
register "add_acpi_dma_property" = "true"
register "firmware_name" = ""lite_ish.bin""
device generic 0 on
probe ISH ISH_ABSENT
end
end
end
device ref ufs on end
device ref igpu on