From 9abc3fe9705764904b6439672cefc859ca3ab278 Mon Sep 17 00:00:00 2001 From: Raul E Rangel Date: Thu, 28 Jun 2018 16:31:45 -0600 Subject: stoneyridge: Enable legacy IO Legacy IO enables access to RTC IO 0x70-0x73. This is needed for CMOS to function correctly. BUG=b:110817463 TEST=ran firmware_CorruptFwSigB on grunt Change-Id: I533226ba764f567e348577d7fcf6ebe43336609a Signed-off-by: Raul E Rangel Reviewed-on: https://review.coreboot.org/27268 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth --- src/soc/amd/stoneyridge/include/soc/southbridge.h | 1 + 1 file changed, 1 insertion(+) (limited to 'src/soc/amd/stoneyridge/include') diff --git a/src/soc/amd/stoneyridge/include/soc/southbridge.h b/src/soc/amd/stoneyridge/include/soc/southbridge.h index 9f8a7d2f4b..3127f5cd47 100644 --- a/src/soc/amd/stoneyridge/include/soc/southbridge.h +++ b/src/soc/amd/stoneyridge/include/soc/southbridge.h @@ -34,6 +34,7 @@ /* Power management registers: 0xfed80300 or index/data at IO 0xcd6/cd7 */ #define PM_DECODE_EN 0x00 #define CF9_IO_EN BIT(1) +#define LEGACY_IO_EN BIT(0) #define PM_ISA_CONTROL 0x04 #define MMIO_EN BIT(1) #define PM_PCI_CTRL 0x08 -- cgit v1.2.3