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>
---
drivers/platform/x86/intel/pmc/core.h | 2 ++
drivers/platform/x86/intel/pmc/ptl.c | 30 +++++++++++++++++++++++++++
2 files changed, 32 insertions(+)
diff --git a/drivers/platform/x86/intel/pmc/core.h b/drivers/platform/x86/intel/pmc/core.h
index d8c7b28493055..cdb32f2203cff 100644
--- a/drivers/platform/x86/intel/pmc/core.h
+++ b/drivers/platform/x86/intel/pmc/core.h
@@ -301,6 +301,8 @@ 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
/* SSRAM PMC Device ID */
/* LNL */
diff --git a/drivers/platform/x86/intel/pmc/ptl.c b/drivers/platform/x86/intel/pmc/ptl.c
index 394515af60d60..48be79b4e769f 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
@@ -543,6 +570,9 @@ 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,
+ .telem_info = SUB_REQ_BLK,
+ .regmap_list = ptl_pmc_info_list,
.map = &ptl_pcdp_reg_map,
.suspend = cnl_suspend,
.resume = ptl_resume,
--
2.43.0
On Tue, 24 Jun 2025, Xi Pardee wrote:
> 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>
> ---
> drivers/platform/x86/intel/pmc/core.h | 2 ++
> drivers/platform/x86/intel/pmc/ptl.c | 30 +++++++++++++++++++++++++++
> 2 files changed, 32 insertions(+)
>
> diff --git a/drivers/platform/x86/intel/pmc/core.h b/drivers/platform/x86/intel/pmc/core.h
> index d8c7b28493055..cdb32f2203cff 100644
> --- a/drivers/platform/x86/intel/pmc/core.h
> +++ b/drivers/platform/x86/intel/pmc/core.h
> @@ -301,6 +301,8 @@ 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
>
> /* SSRAM PMC Device ID */
> /* LNL */
> diff --git a/drivers/platform/x86/intel/pmc/ptl.c b/drivers/platform/x86/intel/pmc/ptl.c
> index 394515af60d60..48be79b4e769f 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
> @@ -543,6 +570,9 @@ 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,
> + .telem_info = SUB_REQ_BLK,
> + .regmap_list = ptl_pmc_info_list,
> .map = &ptl_pcdp_reg_map,
> .suspend = cnl_suspend,
> .resume = ptl_resume,
>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
--
i.
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