arch/arm/mach-stm32mp/include/mach/stm32.h

   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 #ifdef CONFIG_DEBUG_UART_BASE
  21 /* hardcoded value can be only used for DEBUG UART */
  22 #define STM32_USART1_BASE               0x5C000000
  23 #define STM32_USART2_BASE               0x4000E000
  24 #define STM32_USART3_BASE               0x4000F000
  25 #define STM32_UART4_BASE                0x40010000
  26 #define STM32_UART5_BASE                0x40011000
  27 #define STM32_USART6_BASE               0x44003000
  28 #define STM32_UART7_BASE                0x40018000
  29 #define STM32_UART8_BASE                0x40019000
  30 #endif
  31
  32 #define STM32_SYSRAM_BASE               0x2FFC0000
  33 #define STM32_SYSRAM_SIZE               SZ_256K
  34
  35 #define STM32_DDR_BASE                  0xC0000000
  36 #define STM32_DDR_SIZE                  SZ_1G
  37
  38 #ifndef __ASSEMBLY__
  39 /* enumerated used to identify the SYSCON driver instance */
  40 enum {
  41         STM32MP_SYSCON_UNKNOWN,
  42         STM32MP_SYSCON_STGEN,
  43         STM32MP_SYSCON_PWR,
  44 };
  45
  46 /*
  47  * enumerated for boot interface from Bootrom, used in TAMP_BOOT_CONTEXT
  48  * - boot device = bit 8:4
  49  * - boot instance = bit 3:0
  50  */
  51 #define BOOT_TYPE_MASK          0xF0
  52 #define BOOT_TYPE_SHIFT         4
  53 #define BOOT_INSTANCE_MASK      0x0F
  54 #define BOOT_INSTANCE_SHIFT     0
  55
  56 enum boot_device {
  57         BOOT_FLASH_SD = 0x10,
  58         BOOT_FLASH_SD_1 = 0x11,
  59         BOOT_FLASH_SD_2 = 0x12,
  60         BOOT_FLASH_SD_3 = 0x13,
  61
  62         BOOT_FLASH_EMMC = 0x20,
  63         BOOT_FLASH_EMMC_1 = 0x21,
  64         BOOT_FLASH_EMMC_2 = 0x22,
  65         BOOT_FLASH_EMMC_3 = 0x23,
  66
  67         BOOT_FLASH_NAND = 0x30,
  68         BOOT_FLASH_NAND_FMC = 0x31,
  69
  70         BOOT_FLASH_NOR = 0x40,
  71         BOOT_FLASH_NOR_QSPI = 0x41,
  72
  73         BOOT_SERIAL_UART = 0x50,
  74         BOOT_SERIAL_UART_1 = 0x51,
  75         BOOT_SERIAL_UART_2 = 0x52,
  76         BOOT_SERIAL_UART_3 = 0x53,
  77         BOOT_SERIAL_UART_4 = 0x54,
  78         BOOT_SERIAL_UART_5 = 0x55,
  79         BOOT_SERIAL_UART_6 = 0x56,
  80         BOOT_SERIAL_UART_7 = 0x57,
  81         BOOT_SERIAL_UART_8 = 0x58,
  82
  83         BOOT_SERIAL_USB = 0x60,
  84         BOOT_SERIAL_USB_OTG = 0x62,
  85 };
  86
  87 /* TAMP registers */
  88 #define TAMP_BACKUP_REGISTER(x)         (STM32_TAMP_BASE + 0x100 + 4 * x)
  89 #define TAMP_BACKUP_MAGIC_NUMBER        TAMP_BACKUP_REGISTER(4)
  90 #define TAMP_BACKUP_BRANCH_ADDRESS      TAMP_BACKUP_REGISTER(5)
  91 #define TAMP_BOOT_CONTEXT               TAMP_BACKUP_REGISTER(20)
  92
  93 #define TAMP_BOOT_MODE_MASK             GENMASK(15, 8)
  94 #define TAMP_BOOT_MODE_SHIFT            8
  95 #define TAMP_BOOT_DEVICE_MASK           GENMASK(7, 4)
  96 #define TAMP_BOOT_INSTANCE_MASK         GENMASK(3, 0)
  97
  98 #endif /* __ASSEMBLY__*/
  99 #endif /* _MACH_STM32_H_ */