Cliff Huang has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/61783 )
Change subject: mb/google/brya: reduce the time for WWAN _ON method delay. ......................................................................
mb/google/brya: reduce the time for WWAN _ON method delay.
During booting to OS, ACPI calls _ON and immediately calls _OFF method. This delay is to make sure there is some delay in between _ON and _OFF. Note that this delay will also contribute to boot time.Therefore, only small amount of time is desired.
TEST: Check the time difference from the kernel messages at boot: INFO kernel: [ 0.189801] ACPI: Power Resource [RTD3] (on) INFO kernel: [ 0.206510] ACPI: Power Resource [RTD3] (off)
Signed-off-by: Cliff Huang cliff.huang@intel.com Change-Id: I9bc36af6e6c944fcd3de23b7d49640ad9d25642d --- M src/mainboard/google/brya/variants/baseboard/brya/devicetree.cb 1 file changed, 1 insertion(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/83/61783/1
diff --git a/src/mainboard/google/brya/variants/baseboard/brya/devicetree.cb b/src/mainboard/google/brya/variants/baseboard/brya/devicetree.cb index 0c0e8c4..3882332 100644 --- a/src/mainboard/google/brya/variants/baseboard/brya/devicetree.cb +++ b/src/mainboard/google/brya/variants/baseboard/brya/devicetree.cb @@ -155,7 +155,7 @@ chip soc/intel/common/block/pcie/rtd3 register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E0)" register "reset_off_delay_ms" = "20" - register "reset_delay_ms" = "1000" + register "reset_delay_ms" = "10" register "srcclk_pin" = "5" register "ext_pm_support" = "ACPI_PCIE_RP_EMIT_ALL" register "skip_on_off_support" = "true"