stm32mp: add syscon for STGEN

[u-boot] / arch / arm / mach-stm32mp / include / mach / stm32.h

diff --git a/arch/arm/mach-stm32mp/include/mach/stm32.h b/arch/arm/mach-stm32mp/include/mach/stm32.h
index ffbe0b103475b6a0eac9b62249e20c70f2a93c38..c7a27894c451a72846f422ffae003e4291df6196 100644 (file)
--- a/arch/arm/mach-stm32mp/include/mach/stm32.h
+++ b/arch/arm/mach-stm32mp/include/mach/stm32.h
@@ -24,4 +24,62 @@
 #define STM32_DDR_BASE                 0xC0000000
 #define STM32_DDR_SIZE                 SZ_1G
 
+#ifndef __ASSEMBLY__
+/* enumerated used to identify the SYSCON driver instance */
+enum {
+       STM32MP_SYSCON_UNKNOWN,
+       STM32MP_SYSCON_STGEN,
+};
+
+/*
+ * enumerated for boot interface from Bootrom, used in TAMP_BOOT_CONTEXT
+ * - boot device = bit 8:4
+ * - boot instance = bit 3:0
+ */
+#define BOOT_TYPE_MASK         0xF0
+#define BOOT_TYPE_SHIFT                4
+#define BOOT_INSTANCE_MASK     0x0F
+#define BOOT_INSTANCE_SHIFT    0
+
+enum boot_device {
+       BOOT_FLASH_SD = 0x10,
+       BOOT_FLASH_SD_1 = 0x11,
+       BOOT_FLASH_SD_2 = 0x12,
+       BOOT_FLASH_SD_3 = 0x13,
+
+       BOOT_FLASH_EMMC = 0x20,
+       BOOT_FLASH_EMMC_1 = 0x21,
+       BOOT_FLASH_EMMC_2 = 0x22,
+       BOOT_FLASH_EMMC_3 = 0x23,
+
+       BOOT_FLASH_NAND = 0x30,
+       BOOT_FLASH_NAND_FMC = 0x31,
+
+       BOOT_FLASH_NOR = 0x40,
+       BOOT_FLASH_NOR_QSPI = 0x41,
+
+       BOOT_SERIAL_UART = 0x50,
+       BOOT_SERIAL_UART_1 = 0x51,
+       BOOT_SERIAL_UART_2 = 0x52,
+       BOOT_SERIAL_UART_3 = 0x53,
+       BOOT_SERIAL_UART_4 = 0x54,
+       BOOT_SERIAL_UART_5 = 0x55,
+       BOOT_SERIAL_UART_6 = 0x56,
+       BOOT_SERIAL_UART_7 = 0x57,
+       BOOT_SERIAL_UART_8 = 0x58,
+
+       BOOT_SERIAL_USB = 0x60,
+       BOOT_SERIAL_USB_OTG = 0x62,
+};
+
+/* TAMP registers */
+#define TAMP_BACKUP_REGISTER(x)                (STM32_TAMP_BASE + 0x100 + 4 * x)
+#define TAMP_BOOT_CONTEXT              TAMP_BACKUP_REGISTER(20)
+
+#define TAMP_BOOT_MODE_MASK            GENMASK(15, 8)
+#define TAMP_BOOT_MODE_SHIFT           8
+#define TAMP_BOOT_DEVICE_MASK          GENMASK(7, 4)
+#define TAMP_BOOT_INSTANCE_MASK                GENMASK(3, 0)
+
+#endif /* __ASSEMBLY__*/
 #endif /* _MACH_STM32_H_ */