diff options
| author | Pratik Prajapati <pratikkumar.v.prajapati@intel.com> | 2017-08-28 15:15:38 -0700 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2017-09-14 14:58:49 +0000 |
| commit | 653f019d0d4de5e50281edae2f1d88af58e53388 (patch) | |
| tree | bea5e9fc12d46e75f712274b61c2610b32daede1 /src | |
| parent | 738414586d1b6eb0339e1e70534c68e0c2d36027 (diff) | |
soc/intel/skylake: Implement UNCORE PRMRR get base and mask API
Implement soc_get_uncore_prmmr_base_and_mask() API for SKL/KBL
Change-Id: I880d3d88138809cdf030507877079cbea52a0d97
Signed-off-by: Pratik Prajapati <pratikkumar.v.prajapati@intel.com>
Reviewed-on: https://review.coreboot.org/21245
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/skylake/systemagent.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/systemagent.c b/src/soc/intel/skylake/systemagent.c index 6149fa2126..ba7c3075cd 100644 --- a/src/soc/intel/skylake/systemagent.c +++ b/src/soc/intel/skylake/systemagent.c @@ -15,12 +15,14 @@ * GNU General Public License for more details. */ +#include <cpu/x86/msr.h> #include <console/console.h> #include <delay.h> #include <device/device.h> #include <intelblocks/systemagent.h> #include <soc/cpu.h> #include <soc/iomap.h> +#include <soc/msr.h> #include <soc/systemagent.h> /* @@ -62,3 +64,14 @@ void soc_systemagent_init(struct device *dev) mdelay(1); set_power_limits(28); } + +int soc_get_uncore_prmmr_base_and_mask(uint64_t *prmrr_base, + uint64_t *prmrr_mask) +{ + msr_t msr; + msr = rdmsr(UNCORE_PRMRR_PHYS_BASE_MSR); + *prmrr_base = (uint64_t) msr.hi << 32 | msr.lo; + msr = rdmsr(UNCORE_PRMRR_PHYS_MASK_MSR); + *prmrr_mask = (uint64_t) msr.hi << 32 | msr.lo; + return 0; +} |