arm: mach-k3: am62: provide more soc feature info accessors
Add two functions, one which returns the SoC speed grade and one
which returns the SoC operating temperature range.
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
diff --git a/arch/arm/mach-k3/include/mach/am62_hardware.h b/arch/arm/mach-k3/include/mach/am62_hardware.h
index ea5bcf5..54380f3 100644
--- a/arch/arm/mach-k3/include/mach/am62_hardware.h
+++ b/arch/arm/mach-k3/include/mach/am62_hardware.h
@@ -86,6 +86,22 @@
return (full_devid & JTAG_DEV_CORE_NR_MASK) >> JTAG_DEV_CORE_NR_SHIFT;
}
+static inline char k3_get_speed_grade(void)
+{
+ u32 full_devid = readl(CTRLMMR_WKUP_JTAG_DEVICE_ID);
+ u32 speed_grade = (full_devid & JTAG_DEV_SPEED_MASK) >>
+ JTAG_DEV_SPEED_SHIFT;
+
+ return 'A' - 1 + speed_grade;
+}
+
+static inline int k3_get_temp_grade(void)
+{
+ u32 full_devid = readl(CTRLMMR_WKUP_JTAG_DEVICE_ID);
+
+ return (full_devid & JTAG_DEV_TEMP_MASK) >> JTAG_DEV_TEMP_SHIFT;
+}
+
static inline int k3_has_pru(void)
{
u32 full_devid = readl(CTRLMMR_WKUP_JTAG_DEVICE_ID);