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-rw-r--r--src/soc/intel/meteorlake/chip.h11
-rw-r--r--src/soc/intel/meteorlake/romstage/fsp_params.c8
2 files changed, 19 insertions, 0 deletions
diff --git a/src/soc/intel/meteorlake/chip.h b/src/soc/intel/meteorlake/chip.h
index 9d4ff79c61..acb3738f48 100644
--- a/src/soc/intel/meteorlake/chip.h
+++ b/src/soc/intel/meteorlake/chip.h
@@ -18,6 +18,8 @@
#include <soc/usb.h>
#include <stdint.h>
+#define MAX_SAGV_POINTS 4
+
/* Types of different SKUs */
enum soc_intel_meteorlake_power_limits {
MTL_P_282_CORE,
@@ -375,6 +377,15 @@ struct soc_intel_meteorlake_config {
uint8_t energy_perf_pref_value;
bool disable_vmx;
+
+ /*
+ * SAGV Frequency per point in Mhz. 0 is Auto, otherwise holds the
+ * frequency value expressed as an integer. For example: 1867
+ */
+ uint16_t sagv_freq_mhz[MAX_SAGV_POINTS];
+
+ /* Gear Selection for SAGV points. 0: Auto, 1: Gear 1, 2: Gear 2, 4: Gear 4 */
+ uint8_t sagv_gear[MAX_SAGV_POINTS];
};
typedef struct soc_intel_meteorlake_config config_t;
diff --git a/src/soc/intel/meteorlake/romstage/fsp_params.c b/src/soc/intel/meteorlake/romstage/fsp_params.c
index 38bd443b8f..171009fcaa 100644
--- a/src/soc/intel/meteorlake/romstage/fsp_params.c
+++ b/src/soc/intel/meteorlake/romstage/fsp_params.c
@@ -123,7 +123,10 @@ static void fill_fspm_igd_params(FSP_M_CONFIG *m_cfg,
static void fill_fspm_mrc_params(FSP_M_CONFIG *m_cfg,
const struct soc_intel_meteorlake_config *config)
{
+ unsigned int i;
+
m_cfg->SaGv = config->sagv;
+
if (m_cfg->SaGv) {
/*
* Set SaGv work points after reviewing the power and performance impact
@@ -134,6 +137,11 @@ static void fill_fspm_mrc_params(FSP_M_CONFIG *m_cfg,
m_cfg->SaGvWpMask = config->sagv_wp_bitmap;
else
m_cfg->SaGvWpMask = SAGV_POINTS_0_1_2_3;
+
+ for (i = 0; i < HOB_MAX_SAGV_POINTS; i++) {
+ m_cfg->SaGvFreq[i] = config->sagv_freq_mhz[i];
+ m_cfg->SaGvGear[i] = config->sagv_gear[i];
+ }
}
m_cfg->RMT = config->rmt;