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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>
This commit is contained in:
Pratik Prajapati 2017-08-28 15:15:38 -07:00 committed by Aaron Durbin
parent 738414586d
commit 653f019d0d
1 changed files with 13 additions and 0 deletions
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13
src/soc/intel/skylake/systemagent.c
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@ -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;
}