diff options
Diffstat (limited to 'src/soc/amd/common/block/cpu/noncar/cpu.c')
-rw-r--r-- | src/soc/amd/common/block/cpu/noncar/cpu.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/cpu/noncar/cpu.c b/src/soc/amd/common/block/cpu/noncar/cpu.c index 7c1daf96f1..98926bff7e 100644 --- a/src/soc/amd/common/block/cpu/noncar/cpu.c +++ b/src/soc/amd/common/block/cpu/noncar/cpu.c @@ -2,8 +2,20 @@ #include <amdblocks/cpu.h> #include <cpu/cpu.h> +#include <cpu/x86/msr.h> +#include <cpu/amd/msr.h> +#include <soc/iomap.h> int get_cpu_count(void) { return 1 + (cpuid_ecx(0x80000008) & 0xff); } + +void set_cstate_io_addr(void) +{ + msr_t cst_addr; + + cst_addr.hi = 0; + cst_addr.lo = ACPI_CPU_CONTROL; + wrmsr(MSR_CSTATE_ADDRESS, cst_addr); +} |