diff options
| author | Xi Pardee <xi.pardee@linux.intel.com> | 2025-09-10 14:06:25 -0700 |
|---|---|---|
| committer | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2025-09-11 11:23:57 +0300 |
| commit | 8e54e493c9926105e771873b151d5eba80fbb856 (patch) | |
| tree | 68b7b5b1ef45b1749d968b819930dbb8bd7f75c7 /drivers/platform/x86/intel/pmc | |
| parent | a22bc8643889ef5a3c032700f69001fdc457413c (diff) | |
platform/x86:intel/pmc: Enable SSRAM support for Panther Lake
Enable Panther 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/20250910210629.11198-6-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Diffstat (limited to 'drivers/platform/x86/intel/pmc')
| -rw-r--r-- | drivers/platform/x86/intel/pmc/core.h | 2 | ||||
| -rw-r--r-- | drivers/platform/x86/intel/pmc/ptl.c | 31 |
2 files changed, 33 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/pmc/core.h b/drivers/platform/x86/intel/pmc/core.h index b554805db689..f4dadb696a31 100644 --- a/drivers/platform/x86/intel/pmc/core.h +++ b/drivers/platform/x86/intel/pmc/core.h @@ -297,6 +297,8 @@ enum ppfear_regs { #define PTL_PMC_LTR_CUR_ASLT 0x1C28 #define PTL_PMC_LTR_CUR_PLT 0x1C2C #define PTL_PCD_PMC_MMIO_REG_LEN 0x31A8 +#define PTL_NUM_S0IX_BLOCKER 106 +#define PTL_BLK_REQ_OFFSET 55 /* Wildcat Lake */ #define WCL_PMC_LTR_RESERVED 0x1B64 diff --git a/drivers/platform/x86/intel/pmc/ptl.c b/drivers/platform/x86/intel/pmc/ptl.c index 1bbec9856867..1b35b84e06fa 100644 --- a/drivers/platform/x86/intel/pmc/ptl.c +++ b/drivers/platform/x86/intel/pmc/ptl.c @@ -10,6 +10,17 @@ #include "core.h" +/* PMC SSRAM PMT Telemetry GUIDS */ +#define PCDP_LPM_REQ_GUID 0x47179370 + +/* + * Die Mapping to Product. + * Product PCDDie + * PTL-H PCD-H + * PTL-P PCD-P + * PTL-U PCD-P + */ + static const struct pmc_bit_map ptl_pcdp_pfear_map[] = { {"PMC_0", BIT(0)}, {"FUSE_OSSE", BIT(1)}, @@ -515,6 +526,22 @@ static const struct pmc_reg_map ptl_pcdp_reg_map = { .lpm_live_status_offset = MTL_LPM_LIVE_STATUS_OFFSET, .s0ix_blocker_maps = ptl_pcdp_blk_maps, .s0ix_blocker_offset = LNL_S0IX_BLOCKER_OFFSET, + .num_s0ix_blocker = PTL_NUM_S0IX_BLOCKER, + .blocker_req_offset = PTL_BLK_REQ_OFFSET, +}; + +static struct pmc_info ptl_pmc_info_list[] = { + { + .guid = PCDP_LPM_REQ_GUID, + .devid = PMC_DEVID_PTL_PCDH, + .map = &ptl_pcdp_reg_map, + }, + { + .guid = PCDP_LPM_REQ_GUID, + .devid = PMC_DEVID_PTL_PCDP, + .map = &ptl_pcdp_reg_map, + }, + {} }; #define PTL_NPU_PCI_DEV 0xb03e @@ -543,8 +570,12 @@ static int ptl_core_init(struct pmc_dev *pmcdev, struct pmc_dev_info *pmc_dev_in } struct pmc_dev_info ptl_pmc_dev = { + .pci_func = 2, + .regmap_list = ptl_pmc_info_list, .map = &ptl_pcdp_reg_map, + .sub_req_show = &pmc_core_substate_blk_req_fops, .suspend = cnl_suspend, .resume = ptl_resume, .init = ptl_core_init, + .sub_req = pmc_core_pmt_get_blk_sub_req, }; |