[PATCH 2/2] hwmon: (k10temp) Define SVI telemetry and current factors for Zen2 CPUs

From: Wei Huang
Date: Thu Aug 27 2020 - 01:43:14 EST


The voltage telemetry registers for Zen2 are different from Zen1. Also
the factors of CPU current values are changed on Zen2. Add new definitions
for these register.

Signed-off-by: Wei Huang <wei.huang2@xxxxxxx>
---
drivers/hwmon/k10temp.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index f3addb97b021..de9f68570a4f 100644
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -88,9 +88,13 @@ static DEFINE_MUTEX(nb_smu_ind_mutex);
/* F17h thermal registers through SMN */
#define F17H_M01H_SVI_TEL_PLANE0 (ZEN_SVI_BASE + 0xc)
#define F17H_M01H_SVI_TEL_PLANE1 (ZEN_SVI_BASE + 0x10)
+#define F17H_M31H_SVI_TEL_PLANE0 (ZEN_SVI_BASE + 0x14)
+#define F17H_M31H_SVI_TEL_PLANE1 (ZEN_SVI_BASE + 0x10)

-#define F17H_CFACTOR_ICORE 1000000 /* 1A / LSB */
-#define F17H_CFACTOR_ISOC 250000 /* 0.25A / LSB */
+#define F17H_M01H_CFACTOR_ICORE 1000000 /* 1A / LSB */
+#define F17H_M01H_CFACTOR_ISOC 250000 /* 0.25A / LSB */
+#define F17H_M31H_CFACTOR_ICORE 1000000 /* 1A / LSB */
+#define F17H_M31H_CFACTOR_ISOC 310000 /* 0.31A / LSB */

struct k10temp_data {
struct pci_dev *pdev;
@@ -580,17 +584,17 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
data->show_current = !is_threadripper() && !is_epyc();
data->svi_addr[0] = F17H_M01H_SVI_TEL_PLANE0;
data->svi_addr[1] = F17H_M01H_SVI_TEL_PLANE1;
- data->cfactor[0] = F17H_CFACTOR_ICORE;
- data->cfactor[1] = F17H_CFACTOR_ISOC;
+ data->cfactor[0] = F17H_M01H_CFACTOR_ICORE;
+ data->cfactor[1] = F17H_M01H_CFACTOR_ISOC;
k10temp_get_ccd_support(pdev, data, 4);
break;
case 0x31: /* Zen2 Threadripper */
case 0x71: /* Zen2 */
data->show_current = !is_threadripper() && !is_epyc();
- data->cfactor[0] = F17H_CFACTOR_ICORE;
- data->cfactor[1] = F17H_CFACTOR_ISOC;
- data->svi_addr[0] = F17H_M01H_SVI_TEL_PLANE1;
- data->svi_addr[1] = F17H_M01H_SVI_TEL_PLANE0;
+ data->cfactor[0] = F17H_M31H_CFACTOR_ICORE;
+ data->cfactor[1] = F17H_M31H_CFACTOR_ISOC;
+ data->svi_addr[0] = F17H_M31H_SVI_TEL_PLANE0;
+ data->svi_addr[1] = F17H_M31H_SVI_TEL_PLANE1;
k10temp_get_ccd_support(pdev, data, 8);
break;
}
--
2.25.2