mb/google/brya: Add `ext_pm_support` for taeko eMMC SKU
This patch ensures google/taeko eMMC SKU has advanced PM support
enabled.
BUG=b:235915257
TEST=Able to boot to eMMC SKU to ChromeOS.
Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I6b14130e47c3e3ec9b066456f3195841c83623a8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65243
Reviewed-by: Joey Peng <joey.peng@lcfc.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/brya/variants/taeko/overridetree.cb b/src/mainboard/google/brya/variants/taeko/overridetree.cb
index cc055ba..20f78b4 100644
--- a/src/mainboard/google/brya/variants/taeko/overridetree.cb
+++ b/src/mainboard/google/brya/variants/taeko/overridetree.cb
@@ -536,6 +536,7 @@
register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D11)"
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_B4)"
register "srcclk_pin" = "0"
+ register "ext_pm_support" = "ACPI_PCIE_RP_EMIT_ALL"
device generic 0 on
probe BOOT_EMMC_MASK BOOT_EMMC_ENABLED
end