sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

soc/intel/alderlake: set power limits dynamically for thermal

Browse Source 
Set power limit values dynamically based on CPU TDP and PCI ID of SKU.

BUG=b:194745919
BRANCH=None
TEST=Build FW and test on brya0 board

Change-Id: Ic331a3debb076ef08a312a31edc1468974fd4902
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57035
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Sumeet Pawnikar
2021-08-31 17:01:02 +05:30
committed by Tim Wawrzynczak
parent dc0e066406
commit eaf87a9d60
3 changed files with 57 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
src/soc/intel/alderlake/chip.h
View File

@ -4,6 +4,7 @@
#define _SOC_CHIP_H_
#include <drivers/i2c/designware/dw_i2c.h>
#include <device/pci_ids.h>
#include <intelblocks/cfg.h>
#include <intelblocks/gpio.h>
#include <intelblocks/gspi.h>
@ -20,14 +21,37 @@
/* 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_M_POWER_LIMITS_242_CORE,
ADL_P_282_CORE,
ADL_P_482_CORE,
ADL_P_682_28W_CORE,
ADL_P_682_45W_CORE,
ADL_M_282_CORE,
ADL_M_242_CORE,
ADL_POWER_LIMITS_COUNT
};
/* TDP values for different SKUs */
enum soc_intel_alderlake_cpu_tdps {
TDP_9W = 9,
TDP_15W = 15,
TDP_28W = 28,
TDP_45W = 45
};
/* Mapping of different SKUs based on CPU ID and TDP values */
static const struct {
unsigned int cpu_id;
enum soc_intel_alderlake_power_limits limits;
enum soc_intel_alderlake_cpu_tdps cpu_tdp;
} cpuid_to_adl[] = {
{ PCI_DEVICE_ID_INTEL_ADL_P_ID_7, ADL_P_282_CORE, TDP_15W },
{ PCI_DEVICE_ID_INTEL_ADL_P_ID_5, ADL_P_482_CORE, TDP_28W },
{ PCI_DEVICE_ID_INTEL_ADL_P_ID_3, ADL_P_682_28W_CORE, TDP_28W },
{ PCI_DEVICE_ID_INTEL_ADL_P_ID_3, ADL_P_682_45W_CORE, TDP_45W },
{ PCI_DEVICE_ID_INTEL_ADL_M_ID_1, ADL_M_282_CORE, TDP_15W },
{ PCI_DEVICE_ID_INTEL_ADL_M_ID_2, ADL_M_242_CORE, TDP_9W },
};
/* Types of display ports */
enum ddi_ports {
DDI_PORT_A,