From 71e0ac858e84fc3882fd1f836b95e56df9c933f4 Mon Sep 17 00:00:00 2001 From: Aaron Durbin Date: Fri, 7 Aug 2015 23:00:22 -0500 Subject: skylake: provide clarification for FADT gpe0_blk_len Instead of using a hard-coded value leverage the existing definitions to perform GPE0 block length calculations. There are 4 pairs of 32-bit status/enable registers. BUG=chrome-os-partner:43522 BRANCH=None TEST=Built and booted glados. Original-Change-Id: I14d08298b5750c91ce0ac3fa33569813396f7089 Original-Signed-off-by: Aaron Durbin Original-Reviewed-on: https://chromium-review.googlesource.com/291932 Original-Reviewed-by: Duncan Laurie Change-Id: I127f026f15180fa79625d4cad96d5e35f85e5090 Signed-off-by: Aaron Durbin Reviewed-on: http://review.coreboot.org/11205 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- src/soc/intel/skylake/acpi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/soc/intel/skylake/acpi.c') diff --git a/src/soc/intel/skylake/acpi.c b/src/soc/intel/skylake/acpi.c index 1b193c7308..87d4eb0707 100644 --- a/src/soc/intel/skylake/acpi.c +++ b/src/soc/intel/skylake/acpi.c @@ -222,7 +222,8 @@ void acpi_fill_in_fadt(acpi_fadt_t *fadt) fadt->pm1_cnt_len = 2; fadt->pm2_cnt_len = 1; fadt->pm_tmr_len = 4; - fadt->gpe0_blk_len = 32; + /* There are 4 GPE0 STS/EN pairs each 32 bits wide. */ + fadt->gpe0_blk_len = 2 * GPE0_REG_MAX * sizeof(uint32_t); fadt->gpe1_blk_len = 0; fadt->gpe1_base = 0; fadt->cst_cnt = 0; -- cgit v1.2.3