diff options
| author | Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com> | 2021-03-10 21:09:37 +0530 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-03-28 16:08:02 +0000 |
| commit | 77298c6820a0f4424a41d9f740f379f88f51e406 (patch) | |
| tree | 8b98460562808c3e205583f435b71af744bf618d | |
| parent | 8bd525001fa7d051965ffd2bad2e7e5ecd0dd547 (diff) | |
soc/intel/alderlake: add processor power limits control support
Add processor power limits control support to configure values for
alderlake soc based platforms.
BRANCH=None
BUG=None
TEST=Build and test on alderlake rvp board
Change-Id: I9dc37c7a43e6bd6f1ff5e8a97e22a0c7ac421802
Signed-off-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51397
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
| -rw-r--r-- | src/soc/intel/alderlake/Kconfig | 1 | ||||
| -rw-r--r-- | src/soc/intel/alderlake/chip.h | 4 | ||||
| -rw-r--r-- | src/soc/intel/alderlake/systemagent.c | 13 |
3 files changed, 17 insertions, 1 deletions
diff --git a/src/soc/intel/alderlake/Kconfig b/src/soc/intel/alderlake/Kconfig index 522fe53560..37e6a946f0 100644 --- a/src/soc/intel/alderlake/Kconfig +++ b/src/soc/intel/alderlake/Kconfig @@ -59,6 +59,7 @@ config CPU_SPECIFIC_OPTIONS select SOC_INTEL_COMMON_BLOCK_HDA select SOC_INTEL_COMMON_BLOCK_IPU select SOC_INTEL_COMMON_BLOCK_MEMINIT + select SOC_INTEL_COMMON_BLOCK_POWER_LIMIT select SOC_INTEL_COMMON_BLOCK_SA select SOC_INTEL_COMMON_BLOCK_SMM select SOC_INTEL_COMMON_BLOCK_SMM_IO_TRAP diff --git a/src/soc/intel/alderlake/chip.h b/src/soc/intel/alderlake/chip.h index e1ac015e96..3bee09d01f 100644 --- a/src/soc/intel/alderlake/chip.h +++ b/src/soc/intel/alderlake/chip.h @@ -7,6 +7,7 @@ #include <intelblocks/cfg.h> #include <intelblocks/gpio.h> #include <intelblocks/gspi.h> +#include <intelblocks/power_limit.h> #include <intelblocks/pcie_rp.h> #include <soc/gpe.h> #include <soc/pci_devs.h> @@ -24,6 +25,9 @@ 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; + /* Gpio group routed to each dword of the GPE0 block. Values are * of the form PMC_GPP_[A:U] or GPD. */ uint8_t pmc_gpe0_dw0; /* GPE0_31_0 STS/EN */ diff --git a/src/soc/intel/alderlake/systemagent.c b/src/soc/intel/alderlake/systemagent.c index 35043c61ac..eb1defc87a 100644 --- a/src/soc/intel/alderlake/systemagent.c +++ b/src/soc/intel/alderlake/systemagent.c @@ -8,8 +8,11 @@ #include <device/device.h> #include <device/pci.h> +#include <delay.h> +#include <intelblocks/power_limit.h> #include <intelblocks/systemagent.h> #include <soc/iomap.h> +#include <soc/soc_chip.h> #include <soc/systemagent.h> /* @@ -48,12 +51,20 @@ 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; + config_t *config; + /* Enable Power Aware Interrupt Routing */ enable_power_aware_intr(); /* Enable BIOS Reset CPL */ enable_bios_reset_cpl(); - /* TODO: Add set_power_limits() */ + + /* Configure turbo power limits 1ms after reset complete bit */ + mdelay(1); + config = config_of_soc(); + soc_config = &config->power_limits_config; + set_power_limits(MOBILE_SKU_PL1_TIME_SEC, soc_config); } uint32_t soc_systemagent_max_chan_capacity_mib(u8 capid0_a_ddrsz) |