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_ */
142