diff options
| author | Wei Huang <wei.huang2@amd.com> | 2020-09-14 23:07:15 +0300 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2020-09-23 19:42:41 +0300 |
| commit | 55163a1c00fcb526e2aa9f7f952fb38d3543da5e (patch) | |
| tree | 02df581168dd08de214556b90876e7c906aaf163 /drivers/hwmon | |
| parent | 04e216d19e4044148f16ca4eb3fade2a90a0b02e (diff) | |
| download | linux-55163a1c00fcb526e2aa9f7f952fb38d3543da5e.tar.xz | |
hwmon: (k10temp) Add support for Zen3 CPUs
Zen3 thermal info is supported via a new PCI device ID. Also the voltage
telemetry registers and the current factors need to be defined. k10temp
driver then searches for CPU family 0x19 and configures k10temp_data
accordingly.
Signed-off-by: Wei Huang <wei.huang2@amd.com>
Link: https://lore.kernel.org/r/20200914200715.1997757-1-wei.huang2@amd.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/k10temp.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c index 49e8ebf8da32..a250481b5a97 100644 --- a/drivers/hwmon/k10temp.c +++ b/drivers/hwmon/k10temp.c @@ -95,6 +95,13 @@ static DEFINE_MUTEX(nb_smu_ind_mutex); #define F17H_M31H_CFACTOR_ICORE 1000000 /* 1A / LSB */ #define F17H_M31H_CFACTOR_ISOC 310000 /* 0.31A / LSB */ +/* F19h thermal registers through SMN */ +#define F19H_M01_SVI_TEL_PLANE0 (ZEN_SVI_BASE + 0x14) +#define F19H_M01_SVI_TEL_PLANE1 (ZEN_SVI_BASE + 0x10) + +#define F19H_M01H_CFACTOR_ICORE 1000000 /* 1A / LSB */ +#define F19H_M01H_CFACTOR_ISOC 310000 /* 0.31A / LSB */ + struct k10temp_data { struct pci_dev *pdev; void (*read_htcreg)(struct pci_dev *pdev, u32 *regval); @@ -527,6 +534,22 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id) k10temp_get_ccd_support(pdev, data, 8); break; } + } else if (boot_cpu_data.x86 == 0x19) { + data->temp_adjust_mask = ZEN_CUR_TEMP_RANGE_SEL_MASK; + data->read_tempreg = read_tempreg_nb_zen; + data->show_temp |= BIT(TDIE_BIT); + data->is_zen = true; + + switch (boot_cpu_data.x86_model) { + case 0x0 ... 0x1: /* Zen3 */ + data->show_current = true; + data->svi_addr[0] = F19H_M01_SVI_TEL_PLANE0; + data->svi_addr[1] = F19H_M01_SVI_TEL_PLANE1; + data->cfactor[0] = F19H_M01H_CFACTOR_ICORE; + data->cfactor[1] = F19H_M01H_CFACTOR_ISOC; + k10temp_get_ccd_support(pdev, data, 8); + break; + } } else { data->read_htcreg = read_htcreg_pci; data->read_tempreg = read_tempreg_pci; @@ -564,6 +587,7 @@ static const struct pci_device_id k10temp_id_table[] = { { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_M30H_DF_F3) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_M60H_DF_F3) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_M70H_DF_F3) }, + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_19H_DF_F3) }, { PCI_VDEVICE(HYGON, PCI_DEVICE_ID_AMD_17H_DF_F3) }, {} }; |