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4549e789 1/* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
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2/*
3 * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
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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
08772f6e 26#ifndef __ASSEMBLY__
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27/* enumerated used to identify the SYSCON driver instance */
28enum {
29 STM32MP_SYSCON_UNKNOWN,
30 STM32MP_SYSCON_STGEN,
31};
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32
33/*
34 * enumerated for boot interface from Bootrom, used in TAMP_BOOT_CONTEXT
35 * - boot device = bit 8:4
36 * - boot instance = bit 3:0
37 */
38#define BOOT_TYPE_MASK 0xF0
39#define BOOT_TYPE_SHIFT 4
40#define BOOT_INSTANCE_MASK 0x0F
41#define BOOT_INSTANCE_SHIFT 0
42
43enum boot_device {
44 BOOT_FLASH_SD = 0x10,
45 BOOT_FLASH_SD_1 = 0x11,
46 BOOT_FLASH_SD_2 = 0x12,
47 BOOT_FLASH_SD_3 = 0x13,
48
49 BOOT_FLASH_EMMC = 0x20,
50 BOOT_FLASH_EMMC_1 = 0x21,
51 BOOT_FLASH_EMMC_2 = 0x22,
52 BOOT_FLASH_EMMC_3 = 0x23,
53
54 BOOT_FLASH_NAND = 0x30,
55 BOOT_FLASH_NAND_FMC = 0x31,
56
57 BOOT_FLASH_NOR = 0x40,
58 BOOT_FLASH_NOR_QSPI = 0x41,
59
60 BOOT_SERIAL_UART = 0x50,
61 BOOT_SERIAL_UART_1 = 0x51,
62 BOOT_SERIAL_UART_2 = 0x52,
63 BOOT_SERIAL_UART_3 = 0x53,
64 BOOT_SERIAL_UART_4 = 0x54,
65 BOOT_SERIAL_UART_5 = 0x55,
66 BOOT_SERIAL_UART_6 = 0x56,
67 BOOT_SERIAL_UART_7 = 0x57,
68 BOOT_SERIAL_UART_8 = 0x58,
69
70 BOOT_SERIAL_USB = 0x60,
71 BOOT_SERIAL_USB_OTG = 0x62,
72};
73
74/* TAMP registers */
75#define TAMP_BACKUP_REGISTER(x) (STM32_TAMP_BASE + 0x100 + 4 * x)
76#define TAMP_BOOT_CONTEXT TAMP_BACKUP_REGISTER(20)
77
78#define TAMP_BOOT_MODE_MASK GENMASK(15, 8)
79#define TAMP_BOOT_MODE_SHIFT 8
80#define TAMP_BOOT_DEVICE_MASK GENMASK(7, 4)
81#define TAMP_BOOT_INSTANCE_MASK GENMASK(3, 0)
82
83#endif /* __ASSEMBLY__*/
2514c2d0 84#endif /* _MACH_STM32_H_ */