From: "David E. Box" <david.e.box@linux.intel.com>
To: irenic.rajneesh@gmail.com, ilpo.jarvinen@linux.intel.com,
srinivas.pandruvada@linux.intel.com, xi.pardee@linux.intel.com,
david.e.box@linux.intel.com
Cc: hansg@kernel.org, linux-kernel@vger.kernel.org,
platform-driver-x86@vger.kernel.org
Subject: [PATCH V2 17/17] platform/x86/intel/pmc: Add NVL PCI IDs for SSRAM telemetry discovery
Date: Tue, 24 Mar 2026 18:48:19 -0700 [thread overview]
Message-ID: <20260325014819.1283566-18-david.e.box@linux.intel.com> (raw)
In-Reply-To: <20260325014819.1283566-1-david.e.box@linux.intel.com>
Add Nova Lake S PMC device IDs to enable binding of the SSRAM telemetry
driver on NVL platforms, and map them to the ACPI-based discovery policy.
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
---
V2 - No changes
drivers/platform/x86/intel/pmc/core.h | 5 +++++
drivers/platform/x86/intel/pmc/ssram_telemetry.c | 16 ++++++++++++++++
2 files changed, 21 insertions(+)
diff --git a/drivers/platform/x86/intel/pmc/core.h b/drivers/platform/x86/intel/pmc/core.h
index 37ea1caf1817..c4c4a33f2e05 100644
--- a/drivers/platform/x86/intel/pmc/core.h
+++ b/drivers/platform/x86/intel/pmc/core.h
@@ -333,6 +333,11 @@ enum ppfear_regs {
#define PMC_DEVID_MTL_IOEP 0x7ecf
#define PMC_DEVID_MTL_IOEM 0x7ebf
+/* NVL */
+#define PMC_DEVID_NVL_PCDH 0xd37e
+#define PMC_DEVID_NVL_PCDS 0xd47e
+#define PMC_DEVID_NVL_PCHS 0x6e27
+
extern const char *pmc_lpm_modes[];
struct pmc_bit_map {
diff --git a/drivers/platform/x86/intel/pmc/ssram_telemetry.c b/drivers/platform/x86/intel/pmc/ssram_telemetry.c
index 74a2f56881c1..848e259a89cf 100644
--- a/drivers/platform/x86/intel/pmc/ssram_telemetry.c
+++ b/drivers/platform/x86/intel/pmc/ssram_telemetry.c
@@ -43,6 +43,16 @@ static const struct ssram_type pci_main = {
.p_index = PMC_IDX_MAIN,
};
+static const struct ssram_type acpi_main = {
+ .method = RES_METHOD_ACPI,
+ .p_index = PMC_IDX_MAIN,
+};
+
+static const struct ssram_type acpi_pch = {
+ .method = RES_METHOD_ACPI,
+ .p_index = PMC_IDX_PCH,
+};
+
static struct pmc_ssram_telemetry pmc_ssram_telems[MAX_NUM_PMC];
static inline u64 get_base(void __iomem *addr, u32 offset)
@@ -309,6 +319,12 @@ static const struct pci_device_id pmc_ssram_telemetry_pci_ids[] = {
.driver_data = (kernel_ulong_t)&pci_main },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PMC_DEVID_WCL_PCDN),
.driver_data = (kernel_ulong_t)&pci_main },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PMC_DEVID_NVL_PCDH),
+ .driver_data = (kernel_ulong_t)&acpi_main },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PMC_DEVID_NVL_PCDS),
+ .driver_data = (kernel_ulong_t)&acpi_main },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PMC_DEVID_NVL_PCHS),
+ .driver_data = (kernel_ulong_t)&acpi_pch },
{ }
};
MODULE_DEVICE_TABLE(pci, pmc_ssram_telemetry_pci_ids);
--
2.43.0
prev parent reply other threads:[~2026-03-25 1:49 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-25 1:48 [PATCH V2 00/17] Add ACPI-based PMT discovery support for Intel PMC David E. Box
2026-03-25 1:48 ` [PATCH V2 01/17] platform/x86/intel/pmt: Add pre/post decode hooks around header parsing David E. Box
2026-03-25 1:48 ` [PATCH V2 02/17] platform/x86/intel/pmt/crashlog: Split init into pre-decode David E. Box
2026-03-25 1:48 ` [PATCH V2 03/17] platform/x86/intel/pmt/telemetry: Move overlap check to post-decode hook David E. Box
2026-04-07 11:05 ` Ilpo Järvinen
2026-03-25 1:48 ` [PATCH V2 04/17] platform/x86/intel/pmt: Move header decode into common helper David E. Box
2026-04-07 11:05 ` Ilpo Järvinen
2026-03-25 1:48 ` [PATCH V2 05/17] platform/x86/intel/pmt: Pass discovery index instead of resource David E. Box
2026-04-07 11:07 ` Ilpo Järvinen
2026-03-25 1:48 ` [PATCH V2 06/17] platform/x86/intel/pmt: Unify header fetch and add ACPI source David E. Box
2026-04-07 12:14 ` Ilpo Järvinen
2026-03-25 1:48 ` [PATCH V2 07/17] platform/x86/intel/pmc: Add PMC SSRAM Kconfig description David E. Box
2026-04-07 12:16 ` Ilpo Järvinen
2026-03-25 1:48 ` [PATCH V2 08/17] platform/x86/intel/pmc: Add ACPI PWRM telemetry driver for Nova Lake S David E. Box
2026-04-07 12:56 ` Ilpo Järvinen
2026-03-25 1:48 ` [PATCH V2 09/17] platform/x86/intel/pmc/ssram: Rename probe and PCI ID table for consistency David E. Box
2026-03-25 1:48 ` [PATCH V2 10/17] platform/x86/intel/pmc/ssram: Use fixed-size static pmc array David E. Box
2026-04-07 13:08 ` Ilpo Järvinen
2026-03-25 1:48 ` [PATCH V2 11/17] platform/x86/intel/pmc/ssram: Refactor DEVID/PWRMBASE extraction into helper David E. Box
2026-04-07 13:18 ` Ilpo Järvinen
2026-03-25 1:48 ` [PATCH V2 12/17] platform/x86/intel/pmc/ssram: Add PCI platform data David E. Box
2026-03-25 1:48 ` [PATCH V2 13/17] platform/x86/intel/pmc/ssram: Refactor memory barrier for reentrant probe David E. Box
2026-03-25 1:48 ` [PATCH V2 14/17] platform/x86/intel/pmc/ssram_telemetry: Fix cleanup pattern for __free() variables David E. Box
2026-04-07 13:33 ` Ilpo Järvinen
2026-03-25 1:48 ` [PATCH V2 15/17] platform/x86/intel/pmc/ssram: Add ACPI discovery scaffolding David E. Box
2026-03-25 1:48 ` [PATCH V2 16/17] platform/x86/intel/pmc/ssram: Make PMT registration optional David E. Box
2026-03-25 1:48 ` David E. Box [this message]
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