1 /* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */ 2 /* 3 * Copyright (C) 2018, STMicroelectronics - All Rights Reserved 4 */ 5 6 #ifndef _MACH_STM32_H_ 7 #define _MACH_STM32_H_ 8 9 /* 10 * Peripheral memory map 11 * only address used before device tree parsing 12 */ 13 #define STM32_RCC_BASE 0x50000000 14 #define STM32_PWR_BASE 0x50001000 15 #define STM32_DBGMCU_BASE 0x50081000 16 #define STM32_TZC_BASE 0x5C006000 17 #define STM32_ETZPC_BASE 0x5C007000 18 #define STM32_TAMP_BASE 0x5C00A000 19 20 #define STM32_SYSRAM_BASE 0x2FFC0000 21 #define STM32_SYSRAM_SIZE SZ_256K 22 23 #define STM32_DDR_BASE 0xC0000000 24 #define STM32_DDR_SIZE SZ_1G 25 26 #ifndef __ASSEMBLY__ 27 /* enumerated used to identify the SYSCON driver instance */ 28 enum { 29 STM32MP_SYSCON_UNKNOWN, 30 STM32MP_SYSCON_STGEN, 31 STM32MP_SYSCON_PWR, 32 }; 33 34 /* 35 * enumerated for boot interface from Bootrom, used in TAMP_BOOT_CONTEXT 36 * - boot device = bit 8:4 37 * - boot instance = bit 3:0 38 */ 39 #define BOOT_TYPE_MASK 0xF0 40 #define BOOT_TYPE_SHIFT 4 41 #define BOOT_INSTANCE_MASK 0x0F 42 #define BOOT_INSTANCE_SHIFT 0 43 44 enum boot_device { 45 BOOT_FLASH_SD = 0x10, 46 BOOT_FLASH_SD_1 = 0x11, 47 BOOT_FLASH_SD_2 = 0x12, 48 BOOT_FLASH_SD_3 = 0x13, 49 50 BOOT_FLASH_EMMC = 0x20, 51 BOOT_FLASH_EMMC_1 = 0x21, 52 BOOT_FLASH_EMMC_2 = 0x22, 53 BOOT_FLASH_EMMC_3 = 0x23, 54 55 BOOT_FLASH_NAND = 0x30, 56 BOOT_FLASH_NAND_FMC = 0x31, 57 58 BOOT_FLASH_NOR = 0x40, 59 BOOT_FLASH_NOR_QSPI = 0x41, 60 61 BOOT_SERIAL_UART = 0x50, 62 BOOT_SERIAL_UART_1 = 0x51, 63 BOOT_SERIAL_UART_2 = 0x52, 64 BOOT_SERIAL_UART_3 = 0x53, 65 BOOT_SERIAL_UART_4 = 0x54, 66 BOOT_SERIAL_UART_5 = 0x55, 67 BOOT_SERIAL_UART_6 = 0x56, 68 BOOT_SERIAL_UART_7 = 0x57, 69 BOOT_SERIAL_UART_8 = 0x58, 70 71 BOOT_SERIAL_USB = 0x60, 72 BOOT_SERIAL_USB_OTG = 0x62, 73 }; 74 75 /* TAMP registers */ 76 #define TAMP_BACKUP_REGISTER(x) (STM32_TAMP_BASE + 0x100 + 4 * x) 77 #define TAMP_BACKUP_MAGIC_NUMBER TAMP_BACKUP_REGISTER(4) 78 #define TAMP_BACKUP_BRANCH_ADDRESS TAMP_BACKUP_REGISTER(5) 79 #define TAMP_BOOT_CONTEXT TAMP_BACKUP_REGISTER(20) 80 81 #define TAMP_BOOT_MODE_MASK GENMASK(15, 8) 82 #define TAMP_BOOT_MODE_SHIFT 8 83 #define TAMP_BOOT_DEVICE_MASK GENMASK(7, 4) 84 #define TAMP_BOOT_INSTANCE_MASK GENMASK(3, 0) 85 86 #endif /* __ASSEMBLY__*/ 87 #endif /* _MACH_STM32_H_ */ 88