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 #ifndef __ASSEMBLY__
  10 #include <linux/bitops.h>
  11 #endif
  12
  13 /*
  14  * Peripheral memory map
  15  * only address used before device tree parsing
  16  */
  17 #define STM32_RCC_BASE                  0x50000000
  18 #define STM32_PWR_BASE                  0x50001000
  19 #define STM32_DBGMCU_BASE               0x50081000
  20 #define STM32_FMC2_BASE                 0x58002000
  21 #define STM32_TZC_BASE                  0x5C006000
  22 #define STM32_ETZPC_BASE                0x5C007000
  23 #define STM32_STGEN_BASE                0x5C008000
  24 #define STM32_TAMP_BASE                 0x5C00A000
  25
  26 #define STM32_USART1_BASE               0x5C000000
  27 #define STM32_USART2_BASE               0x4000E000
  28 #define STM32_USART3_BASE               0x4000F000
  29 #define STM32_UART4_BASE                0x40010000
  30 #define STM32_UART5_BASE                0x40011000
  31 #define STM32_USART6_BASE               0x44003000
  32 #define STM32_UART7_BASE                0x40018000
  33 #define STM32_UART8_BASE                0x40019000
  34
  35 #define STM32_SYSRAM_BASE               0x2FFC0000
  36 #define STM32_SYSRAM_SIZE               SZ_256K
  37
  38 #define STM32_DDR_BASE                  0xC0000000
  39 #define STM32_DDR_SIZE                  SZ_1G
  40
  41 #ifndef __ASSEMBLY__
  42 /* enumerated used to identify the SYSCON driver instance */
  43 enum {
  44         STM32MP_SYSCON_UNKNOWN,
  45         STM32MP_SYSCON_SYSCFG,
  46 };
  47
  48 /*
  49  * enumerated for boot interface from Bootrom, used in TAMP_BOOT_CONTEXT
  50  * - boot device = bit 8:4
  51  * - boot instance = bit 3:0
  52  */
  53 #define BOOT_TYPE_MASK          0xF0
  54 #define BOOT_TYPE_SHIFT         4
  55 #define BOOT_INSTANCE_MASK      0x0F
  56 #define BOOT_INSTANCE_SHIFT     0
  57
  58 enum boot_device {
  59         BOOT_FLASH_SD = 0x10,
  60         BOOT_FLASH_SD_1 = 0x11,
  61         BOOT_FLASH_SD_2 = 0x12,
  62         BOOT_FLASH_SD_3 = 0x13,
  63
  64         BOOT_FLASH_EMMC = 0x20,
  65         BOOT_FLASH_EMMC_1 = 0x21,
  66         BOOT_FLASH_EMMC_2 = 0x22,
  67         BOOT_FLASH_EMMC_3 = 0x23,
  68
  69         BOOT_FLASH_NAND = 0x30,
  70         BOOT_FLASH_NAND_FMC = 0x31,
  71
  72         BOOT_FLASH_NOR = 0x40,
  73         BOOT_FLASH_NOR_QSPI = 0x41,
  74
  75         BOOT_SERIAL_UART = 0x50,
  76         BOOT_SERIAL_UART_1 = 0x51,
  77         BOOT_SERIAL_UART_2 = 0x52,
  78         BOOT_SERIAL_UART_3 = 0x53,
  79         BOOT_SERIAL_UART_4 = 0x54,
  80         BOOT_SERIAL_UART_5 = 0x55,
  81         BOOT_SERIAL_UART_6 = 0x56,
  82         BOOT_SERIAL_UART_7 = 0x57,
  83         BOOT_SERIAL_UART_8 = 0x58,
  84
  85         BOOT_SERIAL_USB = 0x60,
  86         BOOT_SERIAL_USB_OTG = 0x62,
  87
  88         BOOT_FLASH_SPINAND = 0x70,
  89         BOOT_FLASH_SPINAND_1 = 0x71,
  90 };
  91
  92 /* TAMP registers */
  93 #define TAMP_BACKUP_REGISTER(x)         (STM32_TAMP_BASE + 0x100 + 4 * x)
  94 #define TAMP_BACKUP_MAGIC_NUMBER        TAMP_BACKUP_REGISTER(4)
  95 #define TAMP_BACKUP_BRANCH_ADDRESS      TAMP_BACKUP_REGISTER(5)
  96 #define TAMP_COPRO_RSC_TBL_ADDRESS      TAMP_BACKUP_REGISTER(17)
  97 #define TAMP_COPRO_STATE                TAMP_BACKUP_REGISTER(18)
  98 #define TAMP_BOOT_CONTEXT               TAMP_BACKUP_REGISTER(20)
  99 #define TAMP_BOOTCOUNT                  TAMP_BACKUP_REGISTER(21)
 100
 101 #define TAMP_COPRO_STATE_OFF            0
 102 #define TAMP_COPRO_STATE_INIT           1
 103 #define TAMP_COPRO_STATE_CRUN           2
 104 #define TAMP_COPRO_STATE_CSTOP          3
 105 #define TAMP_COPRO_STATE_STANDBY        4
 106 #define TAMP_COPRO_STATE_CRASH          5
 107
 108 #define TAMP_BOOT_MODE_MASK             GENMASK(15, 8)
 109 #define TAMP_BOOT_MODE_SHIFT            8
 110 #define TAMP_BOOT_DEVICE_MASK           GENMASK(7, 4)
 111 #define TAMP_BOOT_INSTANCE_MASK         GENMASK(3, 0)
 112 #define TAMP_BOOT_FORCED_MASK           GENMASK(7, 0)
 113 #define TAMP_BOOT_DEBUG_ON              BIT(16)
 114
 115 enum forced_boot_mode {
 116         BOOT_NORMAL = 0x00,
 117         BOOT_FASTBOOT = 0x01,
 118         BOOT_RECOVERY = 0x02,
 119         BOOT_STM32PROG = 0x03,
 120         BOOT_UMS_MMC0 = 0x10,
 121         BOOT_UMS_MMC1 = 0x11,
 122         BOOT_UMS_MMC2 = 0x12,
 123 };
 124
 125 /* offset used for BSEC driver: misc_read and misc_write */
 126 #define STM32_BSEC_SHADOW_OFFSET        0x0
 127 #define STM32_BSEC_SHADOW(id)           (STM32_BSEC_SHADOW_OFFSET + (id) * 4)
 128 #define STM32_BSEC_OTP_OFFSET           0x80000000
 129 #define STM32_BSEC_OTP(id)              (STM32_BSEC_OTP_OFFSET + (id) * 4)
 130 #define STM32_BSEC_LOCK_OFFSET          0xC0000000
 131 #define STM32_BSEC_LOCK(id)             (STM32_BSEC_LOCK_OFFSET + (id) * 4)
 132
 133 /* BSEC OTP index */
 134 #define BSEC_OTP_RPN    1
 135 #define BSEC_OTP_SERIAL 13
 136 #define BSEC_OTP_PKG    16
 137 #define BSEC_OTP_MAC    57
 138 #define BSEC_OTP_BOARD  59
 139
 140 #endif /* __ASSEMBLY__ */
 141 #endif /* _MACH_STM32_H_ */