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      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_BSEC_BASE			0x5C005000
     17 #define STM32_TZC_BASE			0x5C006000
     18 #define STM32_ETZPC_BASE		0x5C007000
     19 #define STM32_TAMP_BASE			0x5C00A000
     20 
     21 #ifdef CONFIG_DEBUG_UART_BASE
     22 /* hardcoded value can be only used for DEBUG UART */
     23 #define STM32_USART1_BASE		0x5C000000
     24 #define STM32_USART2_BASE		0x4000E000
     25 #define STM32_USART3_BASE		0x4000F000
     26 #define STM32_UART4_BASE		0x40010000
     27 #define STM32_UART5_BASE		0x40011000
     28 #define STM32_USART6_BASE		0x44003000
     29 #define STM32_UART7_BASE		0x40018000
     30 #define STM32_UART8_BASE		0x40019000
     31 #endif
     32 
     33 #define STM32_SYSRAM_BASE		0x2FFC0000
     34 #define STM32_SYSRAM_SIZE		SZ_256K
     35 
     36 #define STM32_DDR_BASE			0xC0000000
     37 #define STM32_DDR_SIZE			SZ_1G
     38 
     39 #ifndef __ASSEMBLY__
     40 /* enumerated used to identify the SYSCON driver instance */
     41 enum {
     42 	STM32MP_SYSCON_UNKNOWN,
     43 	STM32MP_SYSCON_STGEN,
     44 	STM32MP_SYSCON_PWR,
     45 };
     46 
     47 /*
     48  * enumerated for boot interface from Bootrom, used in TAMP_BOOT_CONTEXT
     49  * - boot device = bit 8:4
     50  * - boot instance = bit 3:0
     51  */
     52 #define BOOT_TYPE_MASK		0xF0
     53 #define BOOT_TYPE_SHIFT		4
     54 #define BOOT_INSTANCE_MASK	0x0F
     55 #define BOOT_INSTANCE_SHIFT	0
     56 
     57 enum boot_device {
     58 	BOOT_FLASH_SD = 0x10,
     59 	BOOT_FLASH_SD_1 = 0x11,
     60 	BOOT_FLASH_SD_2 = 0x12,
     61 	BOOT_FLASH_SD_3 = 0x13,
     62 
     63 	BOOT_FLASH_EMMC = 0x20,
     64 	BOOT_FLASH_EMMC_1 = 0x21,
     65 	BOOT_FLASH_EMMC_2 = 0x22,
     66 	BOOT_FLASH_EMMC_3 = 0x23,
     67 
     68 	BOOT_FLASH_NAND = 0x30,
     69 	BOOT_FLASH_NAND_FMC = 0x31,
     70 
     71 	BOOT_FLASH_NOR = 0x40,
     72 	BOOT_FLASH_NOR_QSPI = 0x41,
     73 
     74 	BOOT_SERIAL_UART = 0x50,
     75 	BOOT_SERIAL_UART_1 = 0x51,
     76 	BOOT_SERIAL_UART_2 = 0x52,
     77 	BOOT_SERIAL_UART_3 = 0x53,
     78 	BOOT_SERIAL_UART_4 = 0x54,
     79 	BOOT_SERIAL_UART_5 = 0x55,
     80 	BOOT_SERIAL_UART_6 = 0x56,
     81 	BOOT_SERIAL_UART_7 = 0x57,
     82 	BOOT_SERIAL_UART_8 = 0x58,
     83 
     84 	BOOT_SERIAL_USB = 0x60,
     85 	BOOT_SERIAL_USB_OTG = 0x62,
     86 };
     87 
     88 /* TAMP registers */
     89 #define TAMP_BACKUP_REGISTER(x)		(STM32_TAMP_BASE + 0x100 + 4 * x)
     90 #define TAMP_BACKUP_MAGIC_NUMBER	TAMP_BACKUP_REGISTER(4)
     91 #define TAMP_BACKUP_BRANCH_ADDRESS	TAMP_BACKUP_REGISTER(5)
     92 #define TAMP_BOOT_CONTEXT		TAMP_BACKUP_REGISTER(20)
     93 
     94 #define TAMP_BOOT_MODE_MASK		GENMASK(15, 8)
     95 #define TAMP_BOOT_MODE_SHIFT		8
     96 #define TAMP_BOOT_DEVICE_MASK		GENMASK(7, 4)
     97 #define TAMP_BOOT_INSTANCE_MASK		GENMASK(3, 0)
     98 
     99 /* offset used for BSEC driver: misc_read and misc_write */
    100 #define STM32_BSEC_SHADOW_OFFSET	0x0
    101 #define STM32_BSEC_OTP_OFFSET		0x80000000
    102 
    103 #endif /* __ASSEMBLY__*/
    104 #endif /* _MACH_STM32_H_ */
    105