diff options
| author | Xi Pardee <xi.pardee@linux.intel.com> | 2025-11-05 13:50:15 -0800 |
|---|---|---|
| committer | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2025-11-07 18:49:40 +0200 |
| commit | a9ed446c1908b2feb53314951054e9a259342659 (patch) | |
| tree | 9b9d4a4c4d6a502fed04417d7e0546abddd6bd2e | |
| parent | bc977e5de6bedb488b15c055ad169cf32cf3851a (diff) | |
platform/x86:intel/pmc: Enable SSRAM support for Wildcat Lake
Enable Wildcat Lake platforms to achieve PMC information from
Intel PMC SSRAM Telemetry driver and substate requirements data
from telemetry region.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://patch.msgid.link/20251105215020.1984036-2-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
| -rw-r--r-- | drivers/platform/x86/intel/pmc/core.h | 2 | ||||
| -rw-r--r-- | drivers/platform/x86/intel/pmc/wcl.c | 18 |
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/pmc/core.h b/drivers/platform/x86/intel/pmc/core.h index 61c8d3c5faa0..272fb4f57f34 100644 --- a/drivers/platform/x86/intel/pmc/core.h +++ b/drivers/platform/x86/intel/pmc/core.h @@ -304,6 +304,8 @@ enum ppfear_regs { /* Wildcat Lake */ #define WCL_PMC_LTR_RESERVED 0x1B64 #define WCL_PCD_PMC_MMIO_REG_LEN 0x3178 +#define WCL_NUM_S0IX_BLOCKER 94 +#define WCL_BLK_REQ_OFFSET 50 /* SSRAM PMC Device ID */ /* LNL */ diff --git a/drivers/platform/x86/intel/pmc/wcl.c b/drivers/platform/x86/intel/pmc/wcl.c index 85e90a639e65..a45707e6364f 100644 --- a/drivers/platform/x86/intel/pmc/wcl.c +++ b/drivers/platform/x86/intel/pmc/wcl.c @@ -11,6 +11,9 @@ #include "core.h" +/* PMC SSRAM PMT Telemetry GUIDS */ +#define PCDN_LPM_REQ_GUID 0x33747648 + static const struct pmc_bit_map wcl_pcdn_pfear_map[] = { {"PMC_0", BIT(0)}, {"FUSE_OSSE", BIT(1)}, @@ -453,6 +456,17 @@ static const struct pmc_reg_map wcl_pcdn_reg_map = { .lpm_live_status_offset = MTL_LPM_LIVE_STATUS_OFFSET, .s0ix_blocker_maps = wcl_pcdn_blk_maps, .s0ix_blocker_offset = LNL_S0IX_BLOCKER_OFFSET, + .num_s0ix_blocker = WCL_NUM_S0IX_BLOCKER, + .blocker_req_offset = WCL_BLK_REQ_OFFSET, + .lpm_req_guid = PCDN_LPM_REQ_GUID, +}; + +static struct pmc_info wcl_pmc_info_list[] = { + { + .devid = PMC_DEVID_WCL_PCDN, + .map = &wcl_pcdn_reg_map, + }, + {} }; #define WCL_NPU_PCI_DEV 0xfd3e @@ -479,8 +493,12 @@ static int wcl_core_init(struct pmc_dev *pmcdev, struct pmc_dev_info *pmc_dev_in } struct pmc_dev_info wcl_pmc_dev = { + .pci_func = 2, + .regmap_list = wcl_pmc_info_list, .map = &wcl_pcdn_reg_map, + .sub_req_show = &pmc_core_substate_blk_req_fops, .suspend = cnl_suspend, .resume = wcl_resume, .init = wcl_core_init, + .sub_req = pmc_core_pmt_get_blk_sub_req, }; |