mainboard/intel/cannonlake_rvp: Add smi support in board

Include SMI Handler support for Cannonlake RVP platform.


Change-Id: I8f363e20a6eb92b3c05e16715aa052a8da18b509
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/21542
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Lijian Zhao 2017-09-14 14:48:55 -07:00 committed by Aaron Durbin
parent f0eb99996d
commit c1a4928609
3 changed files with 44 additions and 0 deletions

View File

@ -4,6 +4,7 @@ config BOARD_SPECIFIC_OPTIONS
def_bool y
select BOARD_ROMSIZE_KB_16384
select SOC_INTEL_CANNONLAKE
select HAVE_ACPI_RESUME
select HAVE_ACPI_TABLES
select MAINBOARD_HAS_CHROMEOS
select GENERIC_SPD_BIN

View File

@ -25,6 +25,7 @@ romstage-$(CONFIG_CHROMEOS) += chromeos.c
ramstage-$(CONFIG_CHROMEOS) += chromeos.c
smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c
subdirs-y += variants/baseboard
CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/baseboard/include

View File

@ -0,0 +1,42 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008-2009 coresystems GmbH
* Copyright (C) 2017 Intel Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <arch/acpi.h>
#include <arch/io.h>
#include <console/console.h>
#include <cpu/x86/smm.h>
#include <intelblocks/smihandler.h>
#include <soc/nvs.h>
int mainboard_io_trap_handler(int smif)
{
switch (smif) {
case 0x99:
printk(BIOS_DEBUG, "Sample\n");
smm_get_gnvs()->smif = 0;
break;
default:
return 0;
}
/* On success, the IO Trap Handler returns 0
* On failure, the IO Trap Handler returns a value != 0
*
* For now, we force the return value to 0 and log all traps to
* see what's going on.
*/
return 1;
}