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[78.94.0.51]) by smtp.gmail.com with ESMTPSA id n12-20020a5d6b8c000000b003143c6e09ccsm15793723wrx.16.2023.07.25.03.43.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Jul 2023 03:43:58 -0700 (PDT) From: Naresh Solanki X-Google-Original-From: Naresh Solanki To: linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, iwona.winiarska@intel.com, linux@roeck-us.net, jdelvare@suse.com Cc: Patrick Rudolph , Naresh Solanki Subject: [PATCH v4 2/3] hwmon: (peci/cputemp) Add Intel Sapphire Rapids support Date: Tue, 25 Jul 2023 12:43:52 +0200 Message-ID: <20230725104354.33920-2-Naresh.Solanki@9elements.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230725104354.33920-1-Naresh.Solanki@9elements.com> References: <20230725104354.33920-1-Naresh.Solanki@9elements.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org From: Patrick Rudolph Add support to read DTS for reading Intel Sapphire Rapids platform. Signed-off-by: Patrick Rudolph Signed-off-by: Naresh Solanki Acked-by: Guenter Roeck Reviewed-by: Iwona Winiarska --- Chagnes in V3: - Update Acked-by in commit message. Changes in V2: - Refactored from previous patchset as seperate patch based on subsystem. --- drivers/hwmon/peci/cputemp.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/hwmon/peci/cputemp.c b/drivers/hwmon/peci/cputemp.c index e5b65a382772..a812c15948d9 100644 --- a/drivers/hwmon/peci/cputemp.c +++ b/drivers/hwmon/peci/cputemp.c @@ -363,6 +363,7 @@ static int init_core_mask(struct peci_cputemp *priv) switch (peci_dev->info.model) { case INTEL_FAM6_ICELAKE_X: case INTEL_FAM6_ICELAKE_D: + case INTEL_FAM6_SAPPHIRERAPIDS_X: ret = peci_ep_pci_local_read(peci_dev, 0, reg->bus, reg->dev, reg->func, reg->offset + 4, &data); if (ret) @@ -531,6 +532,13 @@ static struct resolved_cores_reg resolved_cores_reg_icx = { .offset = 0xd0, }; +static struct resolved_cores_reg resolved_cores_reg_spr = { + .bus = 31, + .dev = 30, + .func = 6, + .offset = 0x80, +}; + static const struct cpu_info cpu_hsx = { .reg = &resolved_cores_reg_hsx, .min_peci_revision = 0x33, @@ -549,6 +557,12 @@ static const struct cpu_info cpu_icx = { .thermal_margin_to_millidegree = &dts_ten_dot_six_to_millidegree, }; +static const struct cpu_info cpu_spr = { + .reg = &resolved_cores_reg_spr, + .min_peci_revision = 0x40, + .thermal_margin_to_millidegree = &dts_ten_dot_six_to_millidegree, +}; + static const struct auxiliary_device_id peci_cputemp_ids[] = { { .name = "peci_cpu.cputemp.hsx", @@ -574,6 +588,10 @@ static const struct auxiliary_device_id peci_cputemp_ids[] = { .name = "peci_cpu.cputemp.icxd", .driver_data = (kernel_ulong_t)&cpu_icx, }, + { + .name = "peci_cpu.cputemp.spr", + .driver_data = (kernel_ulong_t)&cpu_spr, + }, { } }; MODULE_DEVICE_TABLE(auxiliary, peci_cputemp_ids);