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platform/x86:intel/pmc: Enable SSRAM support for Wildcat Lake

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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>
This commit is contained in:
Xi Pardee
2025-11-05 13:50:15 -08:00
committed by Ilpo Järvinen
parent bc977e5de6
commit a9ed446c19
2 changed files with 20 additions and 0 deletions
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2
drivers/platform/x86/intel/pmc/core.h
View File

@@ -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 */

18
drivers/platform/x86/intel/pmc/wcl.c
View File

@@ -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,
};