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-rw-r--r--src/mainboard/google/brya/variants/baseboard/devicetree.cb5
-rw-r--r--src/mainboard/intel/adlrvp/devicetree.cb5
-rw-r--r--src/soc/intel/alderlake/chip.h11
-rw-r--r--src/soc/intel/alderlake/chipset.cb21
-rw-r--r--src/soc/intel/alderlake/systemagent.c31
5 files changed, 61 insertions, 12 deletions
diff --git a/src/mainboard/google/brya/variants/baseboard/devicetree.cb b/src/mainboard/google/brya/variants/baseboard/devicetree.cb
index 5b2ec14388..ce692133a0 100644
--- a/src/mainboard/google/brya/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/brya/variants/baseboard/devicetree.cb
@@ -20,11 +20,6 @@ chip soc/intel/alderlake
# DPTF enable
register "dptf_enable" = "1"
- register "power_limits_config" = "{
- .tdp_pl1_override = 15,
- .tdp_pl2_override = 55,
- }"
-
# Enable heci communication
register "HeciEnabled" = "1"
diff --git a/src/mainboard/intel/adlrvp/devicetree.cb b/src/mainboard/intel/adlrvp/devicetree.cb
index 9def4be7d3..ad7c971f0d 100644
--- a/src/mainboard/intel/adlrvp/devicetree.cb
+++ b/src/mainboard/intel/adlrvp/devicetree.cb
@@ -134,11 +134,6 @@ chip soc/intel/alderlake
register "s0ix_enable" = "1"
register "dptf_enable" = "1"
- register "power_limits_config" = "{
- .tdp_pl1_override = 45,
- .tdp_pl2_override = 56,
- }"
-
register "SerialIoI2cMode" = "{
[PchSerialIoIndexI2C0] = PchSerialIoPci,
[PchSerialIoIndexI2C1] = PchSerialIoPci,
diff --git a/src/soc/intel/alderlake/chip.h b/src/soc/intel/alderlake/chip.h
index 57b78688ee..853de1cccb 100644
--- a/src/soc/intel/alderlake/chip.h
+++ b/src/soc/intel/alderlake/chip.h
@@ -17,13 +17,22 @@
#include <soc/usb.h>
#include <stdint.h>
+/* Types of different SKUs */
+enum soc_intel_alderlake_power_limits {
+ ADL_P_POWER_LIMITS_282_CORE,
+ ADL_P_POWER_LIMITS_482_CORE,
+ ADL_P_POWER_LIMITS_682_CORE,
+ ADL_M_POWER_LIMITS_282_CORE,
+ ADL_POWER_LIMITS_COUNT
+};
+
struct soc_intel_alderlake_config {
/* Common struct containing soc config data required by common code */
struct soc_intel_common_config common_soc_config;
/* Common struct containing power limits configuration information */
- struct soc_power_limits_config power_limits_config;
+ struct soc_power_limits_config power_limits_config[ADL_POWER_LIMITS_COUNT];
/* Gpio group routed to each dword of the GPE0 block. Values are
* of the form PMC_GPP_[A:U] or GPD. */
diff --git a/src/soc/intel/alderlake/chipset.cb b/src/soc/intel/alderlake/chipset.cb
index c51f92caae..7085263b66 100644
--- a/src/soc/intel/alderlake/chipset.cb
+++ b/src/soc/intel/alderlake/chipset.cb
@@ -1,4 +1,25 @@
chip soc/intel/alderlake
+
+ register "power_limits_config[ADL_P_POWER_LIMITS_282_CORE]" = "{
+ .tdp_pl1_override = 15,
+ .tdp_pl2_override = 55,
+ }"
+
+ register "power_limits_config[ADL_P_POWER_LIMITS_482_CORE]" = "{
+ .tdp_pl1_override = 28,
+ .tdp_pl2_override = 64,
+ }"
+
+ register "power_limits_config[ADL_P_POWER_LIMITS_682_CORE]" = "{
+ .tdp_pl1_override = 45,
+ .tdp_pl2_override = 115,
+ }"
+
+ register "power_limits_config[ADL_M_POWER_LIMITS_282_CORE]" = "{
+ .tdp_pl1_override = 9,
+ .tdp_pl2_override = 30,
+ }"
+
device domain 0 on
device gpio 0 alias pch_gpio on end
device pci 00.0 alias system_agent on end
diff --git a/src/soc/intel/alderlake/systemagent.c b/src/soc/intel/alderlake/systemagent.c
index eb1defc87a..acdaded685 100644
--- a/src/soc/intel/alderlake/systemagent.c
+++ b/src/soc/intel/alderlake/systemagent.c
@@ -6,8 +6,10 @@
* Chapter number: 3
*/
+#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
+#include <device/pci_ids.h>
#include <delay.h>
#include <intelblocks/power_limit.h>
#include <intelblocks/systemagent.h>
@@ -52,6 +54,8 @@ void soc_add_fixed_mmio_resources(struct device *dev, int *index)
void soc_systemagent_init(struct device *dev)
{
struct soc_power_limits_config *soc_config;
+ struct device *sa;
+ uint16_t sa_pci_id;
config_t *config;
/* Enable Power Aware Interrupt Routing */
@@ -63,7 +67,32 @@ void soc_systemagent_init(struct device *dev)
/* Configure turbo power limits 1ms after reset complete bit */
mdelay(1);
config = config_of_soc();
- soc_config = &config->power_limits_config;
+
+ /* Get System Agent PCI ID */
+ sa = pcidev_path_on_root(SA_DEVFN_ROOT);
+ sa_pci_id = sa ? pci_read_config16(sa, PCI_DEVICE_ID) : 0xFFFF;
+
+ /* Choose a power limits configuration based on the SoC SKU type,
+ * differentiated here based on SA PCI ID. */
+ switch (sa_pci_id) {
+ case PCI_DEVICE_ID_INTEL_ADL_P_ID_7:
+ soc_config = &config->power_limits_config[ADL_P_POWER_LIMITS_282_CORE];
+ break;
+ case PCI_DEVICE_ID_INTEL_ADL_P_ID_5:
+ soc_config = &config->power_limits_config[ADL_P_POWER_LIMITS_482_CORE];
+ break;
+ case PCI_DEVICE_ID_INTEL_ADL_P_ID_3:
+ soc_config = &config->power_limits_config[ADL_P_POWER_LIMITS_682_CORE];
+ break;
+ case PCI_DEVICE_ID_INTEL_ADL_M_ID_1:
+ soc_config = &config->power_limits_config[ADL_M_POWER_LIMITS_282_CORE];
+ break;
+ default:
+ printk(BIOS_ERR, "ADL: unknown SA ID: 0x%4x, skipping power limits configuration\n",
+ sa_pci_id);
+ return;
+ }
+
set_power_limits(MOBILE_SKU_PL1_TIME_SEC, soc_config);
}