From ab7586fa264bfa6f31072c1a64142683dc68b98e Mon Sep 17 00:00:00 2001 From: Duncan Laurie Date: Tue, 24 Feb 2015 10:51:04 -0800 Subject: broadwell: Set C9/C10 vccmin This is done via a PCODE mailbox write. BUG=chrome-os-partner:37043 BRANCH=broadwell TEST=build and boot on samus Change-Id: I95e8fe3e28eec76d6b5b488a0c770c04f408700e Signed-off-by: Patrick Georgi Original-Commit-Id: b90bef7f708b1ce83f6e124f4b38ae51ec6b0597 Original-Change-Id: I95cd4c17db672a53ba05f85ba5fa7bc866af1543 Original-Signed-off-by: Duncan Laurie Original-Reviewed-on: https://chromium-review.googlesource.com/252862 Original-Reviewed-by: Alec Berg Original-Reviewed-by: Shawn N (cherry picked from commit ab6b4bddf3365713aa40d194c2dbd3e59985f00d) Original-Reviewed-on: https://chromium-review.googlesource.com/252883 Reviewed-on: http://review.coreboot.org/9783 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/soc/intel/broadwell/include/soc/systemagent.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/soc/intel/broadwell/include') diff --git a/src/soc/intel/broadwell/include/soc/systemagent.h b/src/soc/intel/broadwell/include/soc/systemagent.h index 5142b09e0a..325a4a5a6c 100644 --- a/src/soc/intel/broadwell/include/soc/systemagent.h +++ b/src/soc/intel/broadwell/include/soc/systemagent.h @@ -115,6 +115,8 @@ #define MAILBOX_BIOS_CMD_FSM_MEASURE_INTVL 0x909 #define MAILBOX_BIOS_CMD_READ_PCH_POWER 0xa #define MAILBOX_BIOS_CMD_READ_PCH_POWER_EXT 0xb +#define MAILBOX_BIOS_CMD_READ_C9C10_VOLTAGE 0x26 +#define MAILBOX_BIOS_CMD_WRITE_C9C10_VOLTAGE 0x27 /* Errors are returned back in bits 7:0. */ #define MAILBOX_BIOS_ERROR_NONE 0 #define MAILBOX_BIOS_ERROR_INVALID_COMMAND 1 -- cgit v1.2.3