diff options
Diffstat (limited to 'arch/arm/mach-k3/include/mach/am62_hardware.h')
| -rw-r--r-- | arch/arm/mach-k3/include/mach/am62_hardware.h | 78 |
1 files changed, 78 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 db4a32cd46..e35dc20d88 100644 --- a/arch/arm/mach-k3/include/mach/am62_hardware.h +++ b/arch/arm/mach-k3/include/mach/am62_hardware.h @@ -20,6 +20,32 @@ #define MCU_CTRL_MMR0_BASE 0x04500000 #define WKUP_CTRL_MMR0_BASE 0x43000000 +#define CTRLMMR_WKUP_JTAG_DEVICE_ID (WKUP_CTRL_MMR0_BASE + 0x18) +#define JTAG_DEV_ID_MASK GENMASK(31, 18) +#define JTAG_DEV_ID_SHIFT 18 +#define JTAG_DEV_CORE_NR_MASK GENMASK(21, 19) +#define JTAG_DEV_CORE_NR_SHIFT 19 +#define JTAG_DEV_GPU_MASK BIT(18) +#define JTAG_DEV_GPU_SHIFT 18 +#define JTAG_DEV_FEATURES_MASK GENMASK(17, 13) +#define JTAG_DEV_FEATURES_SHIFT 13 +#define JTAG_DEV_SECURITY_MASK BIT(12) +#define JTAG_DEV_SECURITY_SHIFT 12 +#define JTAG_DEV_SAFETY_MASK BIT(11) +#define JTAG_DEV_SAFETY_SHIFT 11 +#define JTAG_DEV_SPEED_MASK GENMASK(10, 6) +#define JTAG_DEV_SPEED_SHIFT 6 +#define JTAG_DEV_TEMP_MASK GENMASK(5, 3) +#define JTAG_DEV_TEMP_SHIFT 3 +#define JTAG_DEV_PKG_MASK GENMASK(2, 0) +#define JTAG_DEV_PKG_SHIFT 0 + +#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 @@ -57,4 +83,56 @@ #define TI_SRAM_SCRATCH_BOARD_EEPROM_START 0x43c30000 +static inline int k3_get_core_nr(void) +{ + u32 full_devid = readl(CTRLMMR_WKUP_JTAG_DEVICE_ID); + + 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_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); + u32 feature_mask = (full_devid & JTAG_DEV_FEATURES_MASK) >> + JTAG_DEV_FEATURES_SHIFT; + + return !(feature_mask & JTAG_DEV_FEATURE_NO_PRU); +} + +static inline int k3_has_gpu(void) +{ + u32 full_devid = readl(CTRLMMR_WKUP_JTAG_DEVICE_ID); + + return (full_devid & JTAG_DEV_GPU_MASK) >> JTAG_DEV_GPU_SHIFT; +} + #endif /* __ASM_ARCH_AM62_HARDWARE_H */ |