On 7/12/23 8:47 AM, Francesco Dolcini wrote:
From: Emanuele Ghidoli emanuele.ghidoli@toradex.com
Add register address and relevant bitmasks and shifts. Allow reading these information:
- device identification
- number of cores (part of device identification)
- features (currently: PRU / no PRU)
- security
- functional safety
- speed grade
- temperature grade
- package
Signed-off-by: Emanuele Ghidoli emanuele.ghidoli@toradex.com Signed-off-by: Francesco Dolcini francesco.dolcini@toradex.com
arch/arm/mach-k3/include/mach/am62_hardware.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/arch/arm/mach-k3/include/mach/am62_hardware.h b/arch/arm/mach-k3/include/mach/am62_hardware.h index 88d58947269a..d67045a697df 100644 --- a/arch/arm/mach-k3/include/mach/am62_hardware.h +++ b/arch/arm/mach-k3/include/mach/am62_hardware.h @@ -20,6 +20,24 @@ #define MCU_CTRL_MMR0_BASE 0x04500000 #define WKUP_CTRL_MMR0_BASE 0x43000000
+#define CTRLMMR_WKUP_JTAG_DEVICE_ID (WKUP_CTRL_MMR0_BASE + 0x18)
We have similar defines in arch/arm/mach-k3/include/mach/hardware.h, if these are common that might be a better spot.
Andrew
+#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_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 CTRLMMR_MAIN_DEVSTAT (WKUP_CTRL_MMR0_BASE + 0x30) #define MAIN_DEVSTAT_PRIMARY_BOOTMODE_MASK GENMASK(6, 3) #define MAIN_DEVSTAT_PRIMARY_BOOTMODE_SHIFT 3