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authorSumeet R Pawnikar <sumeet.r.pawnikar@intel.com>2021-03-10 21:09:37 +0530
committerPatrick Georgi <pgeorgi@google.com>2021-03-28 16:08:02 +0000
commit77298c6820a0f4424a41d9f740f379f88f51e406 (patch)
tree8b98460562808c3e205583f435b71af744bf618d /src/soc/intel/alderlake/systemagent.c
parent8bd525001fa7d051965ffd2bad2e7e5ecd0dd547 (diff)
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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>
Diffstat (limited to 'src/soc/intel/alderlake/systemagent.c')
-rw-r--r--src/soc/intel/alderlake/systemagent.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/soc/intel/alderlake/systemagent.c b/src/soc/intel/alderlake/systemagent.c
index 35043c61ac40..eb1defc87aca 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)