From 813462ec31f4bc82488451e371c8d14d388d1e45 Mon Sep 17 00:00:00 2001 From: Marshall Dawson Date: Wed, 4 Oct 2017 15:05:17 -0600 Subject: amd/stoneyridge: Add function to find PmControl register Find the PmControl register's I/O address by checking the hardware in PMx62. Don't rely on the address being the coreboot default. PmControl is the first register in the AcpiPm1CntBlk. Change-Id: Ibb608dcaa7801af067d6edd86f92c117c2ac08a6 Signed-off-by: Marshall Dawson Reviewed-on: https://review.coreboot.org/21882 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin Reviewed-by: Marc Jones --- src/soc/amd/stoneyridge/sb_util.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src/soc/amd/stoneyridge/sb_util.c') diff --git a/src/soc/amd/stoneyridge/sb_util.c b/src/soc/amd/stoneyridge/sb_util.c index 87bff70321..bdb199aa1e 100644 --- a/src/soc/amd/stoneyridge/sb_util.c +++ b/src/soc/amd/stoneyridge/sb_util.c @@ -64,3 +64,8 @@ void smi_write16(uint8_t offset, uint16_t value) { write16((void *)(APU_SMI_BASE + offset), value); } + +uint16_t pm_acpi_pm_cnt_blk(void) +{ + return pm_read16(PM1_CNT_BLK); +} -- cgit v1.2.3