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-rw-r--r--arch/arm/mach-k3/include/mach/am62_hardware.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/mach-k3/include/mach/am62_hardware.h b/arch/arm/mach-k3/include/mach/am62_hardware.h
index 4cf7778a89..264f8a488b 100644
--- a/arch/arm/mach-k3/include/mach/am62_hardware.h
+++ b/arch/arm/mach-k3/include/mach/am62_hardware.h
@@ -42,6 +42,10 @@
#define JTAG_DEV_FEATURE_NO_PRU 0x4
+#define JTAG_DEV_TEMP_COMMERCIAL 0x3
+#define JTAG_DEV_TEMP_INDUSTRIAL 0x4
+#define JTAG_DEV_TEMP_AUTOMOTIVE 0x5
+
#define CTRLMMR_MAIN_DEVSTAT (WKUP_CTRL_MMR0_BASE + 0x30)
#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_MASK GENMASK(6, 3)
#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_SHIFT 3
@@ -105,6 +109,19 @@ static inline int k3_get_temp_grade(void)
return (full_devid & JTAG_DEV_TEMP_MASK) >> JTAG_DEV_TEMP_SHIFT;
}
+static inline int k3_get_max_temp(void)
+{
+ switch (k3_get_temp_grade()) {
+ case JTAG_DEV_TEMP_INDUSTRIAL:
+ return 105;
+ case JTAG_DEV_TEMP_AUTOMOTIVE:
+ return 125;
+ case JTAG_DEV_TEMP_COMMERCIAL:
+ default:
+ return 95;
+ }
+}
+
static inline int k3_has_pru(void)
{
u32 full_devid = readl(CTRLMMR_WKUP_JTAG_DEVICE_ID);