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soc/intel/cannonlake: Fill the SMI usage

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Add SMM support for Cannonlake on top of common SMM, also include the
SMM relocate support.

Change-Id: I9aab141c528709b30804d327804c4031c59fcfff
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/21543
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 14:51:12 -07:00
committed by Aaron Durbin
parent a515849259
commit f0eb99996d
10 changed files with 494 additions and 11 deletions
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20
src/soc/intel/cannonlake/cpu.c
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@@ -21,10 +21,12 @@
#include <cpu/intel/turbo.h>
#include <intelblocks/cpulib.h>
#include <intelblocks/mp_init.h>
#include <intelblocks/smm.h>
#include <romstage_handoff.h>
#include <soc/cpu.h>
#include <soc/msr.h>
#include <soc/pci_devs.h>
#include <soc/smm.h>
static void soc_fsp_load(void)
{
@@ -197,13 +199,27 @@ void soc_core_init(device_t cpu)
/* Enable Turbo */
enable_turbo();
}
static void per_cpu_smm_trigger(void)
{
/* Relocate the SMM handler. */
smm_relocate();
}
static void post_mp_init(void)
{
/* Set Max Ratio */
cpu_set_max_ratio();
/*
* Now that all APs have been relocated as well as the BSP let SMIs
* start flowing.
*/
smm_southbridge_enable();
/* Lock down the SMRAM space. */
smm_lock();
}
static const struct mp_ops mp_ops = {
@@ -214,7 +230,11 @@ static const struct mp_ops mp_ops = {
*/
.pre_mp_init = soc_fsp_load,
.get_cpu_count = get_cpu_count,
.get_smm_info = smm_info,
.get_microcode_info = get_microcode_info,
.pre_mp_smm_init = smm_initialize,
.per_cpu_smm_trigger = per_cpu_smm_trigger,
.relocation_handler = smm_relocation_handler,
.post_mp_init = post_mp_init,
};