diff options
Diffstat (limited to 'src/soc')
-rw-r--r-- | src/soc/intel/denverton_ns/include/soc/pm.h | 3 | ||||
-rw-r--r-- | src/soc/intel/denverton_ns/pmutil.c | 12 |
2 files changed, 15 insertions, 0 deletions
diff --git a/src/soc/intel/denverton_ns/include/soc/pm.h b/src/soc/intel/denverton_ns/include/soc/pm.h index 2dc40a5e6c..faf7f20506 100644 --- a/src/soc/intel/denverton_ns/include/soc/pm.h +++ b/src/soc/intel/denverton_ns/include/soc/pm.h @@ -28,6 +28,9 @@ struct chipset_power_state { uint32_t prev_sleep_state; } __attribute__((packed)); +/* Get base address PMC memory mapped registers. */ +uint8_t *pmc_mmio_regs(void); + struct chipset_power_state *fill_power_state(void); /* Power Management Utility Functions. */ diff --git a/src/soc/intel/denverton_ns/pmutil.c b/src/soc/intel/denverton_ns/pmutil.c index 822e50e397..b861513def 100644 --- a/src/soc/intel/denverton_ns/pmutil.c +++ b/src/soc/intel/denverton_ns/pmutil.c @@ -84,6 +84,18 @@ void enable_smi(uint32_t mask) outl(smi_en, (uint16_t)(pmbase + SMI_EN)); } +uint8_t *pmc_mmio_regs(void) +{ + uint32_t reg32; + + reg32 = pci_read_config32(PCH_DEV_PMC, PMC_PWRM_BASE); + + /* 4KiB alignment. */ + reg32 &= ~0xfff; + + return (void *)(uintptr_t) reg32; +} + void disable_smi(uint32_t mask) { uint16_t pmbase = get_pmbase(); |