diff options
| -rw-r--r-- | drivers/platform/x86/intel/pmc/mtl.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/platform/x86/intel/pmc/mtl.c b/drivers/platform/x86/intel/pmc/mtl.c index e53dc7900dbf..b5552bb146c9 100644 --- a/drivers/platform/x86/intel/pmc/mtl.c +++ b/drivers/platform/x86/intel/pmc/mtl.c @@ -467,7 +467,12 @@ const struct pmc_reg_map mtl_socm_reg_map = { .lpm_live_status_offset = MTL_LPM_LIVE_STATUS_OFFSET, }; +#define PMC_DEVID_SOCM 0x7e7f static struct pmc_info mtl_pmc_info_list[] = { + { + .devid = PMC_DEVID_SOCM, + .map = &mtl_socm_reg_map, + }, {} }; @@ -513,9 +518,7 @@ static int mtl_resume(struct pmc_dev *pmcdev) int mtl_core_init(struct pmc_dev *pmcdev) { struct pmc *pmc = pmcdev->pmcs[PMC_IDX_SOC]; - int ret; - - pmc->map = &mtl_socm_reg_map; + int ret = 0; mtl_d3_fixup(); @@ -524,9 +527,13 @@ int mtl_core_init(struct pmc_dev *pmcdev) pmcdev->regmap_list = mtl_pmc_info_list; pmc_core_ssram_init(pmcdev); - ret = get_primary_reg_base(pmc); - if (ret) - return ret; + /* If regbase not assigned, set map and discover using legacy method */ + if (!pmc->regbase) { + pmc->map = &mtl_socm_reg_map; + ret = get_primary_reg_base(pmc); + if (ret) + return ret; + } /* Due to a hardware limitation, the GBE LTR blocks PC10 * when a cable is attached. Tell the PMC to ignore it. |