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_SYSCFG_BASE		0x50020000
20 #ifdef CONFIG_STM32MP15x
21 #define STM32_DBGMCU_BASE		0x50081000
22 #endif
23 #define STM32_FMC2_BASE			0x58002000
24 #define STM32_DDRCTRL_BASE		0x5A003000
25 #define STM32_DDRPHYC_BASE		0x5A004000
26 #define STM32_TZC_BASE			0x5C006000
27 #define STM32_ETZPC_BASE		0x5C007000
28 #define STM32_STGEN_BASE		0x5C008000
29 #define STM32_TAMP_BASE			0x5C00A000
30 
31 #ifdef CONFIG_STM32MP15x
32 #define STM32_USART1_BASE		0x5C000000
33 #define STM32_USART2_BASE		0x4000E000
34 #endif
35 #ifdef CONFIG_STM32MP13x
36 #define STM32_USART1_BASE		0x4c000000
37 #define STM32_USART2_BASE		0x4c001000
38 #endif
39 #define STM32_USART3_BASE		0x4000F000
40 #define STM32_UART4_BASE		0x40010000
41 #define STM32_UART5_BASE		0x40011000
42 #define STM32_USART6_BASE		0x44003000
43 #define STM32_UART7_BASE		0x40018000
44 #define STM32_UART8_BASE		0x40019000
45 
46 #define STM32_SDMMC1_BASE		0x58005000
47 #define STM32_SDMMC2_BASE		0x58007000
48 #define STM32_SDMMC3_BASE		0x48004000
49 
50 #ifdef CONFIG_STM32MP15x
51 #define STM32_SYSRAM_BASE		0x2FFC0000
52 #define STM32_SYSRAM_SIZE		SZ_256K
53 #endif
54 
55 #define STM32_DDR_BASE			0xC0000000
56 #define STM32_DDR_SIZE			SZ_1G
57 
58 #ifndef __ASSEMBLY__
59 /* enumerated used to identify the SYSCON driver instance */
60 enum {
61 	STM32MP_SYSCON_UNKNOWN,
62 	STM32MP_SYSCON_SYSCFG,
63 };
64 
65 /*
66  * enumerated for boot interface from Bootrom, used in TAMP_BOOT_CONTEXT
67  * - boot device = bit 8:4
68  * - boot instance = bit 3:0
69  */
70 #define BOOT_TYPE_MASK		0xF0
71 #define BOOT_TYPE_SHIFT		4
72 #define BOOT_INSTANCE_MASK	0x0F
73 #define BOOT_INSTANCE_SHIFT	0
74 
75 enum boot_device {
76 	BOOT_FLASH_SD = 0x10,
77 	BOOT_FLASH_SD_1 = 0x11,
78 	BOOT_FLASH_SD_2 = 0x12,
79 	BOOT_FLASH_SD_3 = 0x13,
80 
81 	BOOT_FLASH_EMMC = 0x20,
82 	BOOT_FLASH_EMMC_1 = 0x21,
83 	BOOT_FLASH_EMMC_2 = 0x22,
84 	BOOT_FLASH_EMMC_3 = 0x23,
85 
86 	BOOT_FLASH_NAND = 0x30,
87 	BOOT_FLASH_NAND_FMC = 0x31,
88 
89 	BOOT_FLASH_NOR = 0x40,
90 	BOOT_FLASH_NOR_QSPI = 0x41,
91 
92 	BOOT_SERIAL_UART = 0x50,
93 	BOOT_SERIAL_UART_1 = 0x51,
94 	BOOT_SERIAL_UART_2 = 0x52,
95 	BOOT_SERIAL_UART_3 = 0x53,
96 	BOOT_SERIAL_UART_4 = 0x54,
97 	BOOT_SERIAL_UART_5 = 0x55,
98 	BOOT_SERIAL_UART_6 = 0x56,
99 	BOOT_SERIAL_UART_7 = 0x57,
100 	BOOT_SERIAL_UART_8 = 0x58,
101 
102 	BOOT_SERIAL_USB = 0x60,
103 	BOOT_SERIAL_USB_OTG = 0x62,
104 
105 	BOOT_FLASH_SPINAND = 0x70,
106 	BOOT_FLASH_SPINAND_1 = 0x71,
107 };
108 
109 /* TAMP registers */
110 #define TAMP_BACKUP_REGISTER(x)		(STM32_TAMP_BASE + 0x100 + 4 * x)
111 
112 #ifdef CONFIG_STM32MP15x
113 #define TAMP_BACKUP_MAGIC_NUMBER	TAMP_BACKUP_REGISTER(4)
114 #define TAMP_BACKUP_BRANCH_ADDRESS	TAMP_BACKUP_REGISTER(5)
115 #define TAMP_FWU_BOOT_INFO_REG		TAMP_BACKUP_REGISTER(10)
116 #define TAMP_COPRO_RSC_TBL_ADDRESS	TAMP_BACKUP_REGISTER(17)
117 #define TAMP_COPRO_STATE		TAMP_BACKUP_REGISTER(18)
118 #define TAMP_BOOT_CONTEXT		TAMP_BACKUP_REGISTER(20)
119 #define TAMP_BOOTCOUNT			TAMP_BACKUP_REGISTER(21)
120 
121 #define TAMP_FWU_BOOT_IDX_MASK		GENMASK(3, 0)
122 
123 #define TAMP_FWU_BOOT_IDX_OFFSET	0
124 
125 #define TAMP_COPRO_STATE_OFF		0
126 #define TAMP_COPRO_STATE_INIT		1
127 #define TAMP_COPRO_STATE_CRUN		2
128 #define TAMP_COPRO_STATE_CSTOP		3
129 #define TAMP_COPRO_STATE_STANDBY	4
130 #define TAMP_COPRO_STATE_CRASH		5
131 #endif
132 
133 #ifdef CONFIG_STM32MP13x
134 #define TAMP_BOOTCOUNT			TAMP_BACKUP_REGISTER(31)
135 #define TAMP_BOOT_CONTEXT		TAMP_BACKUP_REGISTER(30)
136 #endif
137 
138 #define TAMP_BOOT_MODE_MASK		GENMASK(15, 8)
139 #define TAMP_BOOT_MODE_SHIFT		8
140 #define TAMP_BOOT_DEVICE_MASK		GENMASK(7, 4)
141 #define TAMP_BOOT_INSTANCE_MASK		GENMASK(3, 0)
142 #define TAMP_BOOT_FORCED_MASK		GENMASK(7, 0)
143 
144 enum forced_boot_mode {
145 	BOOT_NORMAL = 0x00,
146 	BOOT_FASTBOOT = 0x01,
147 	BOOT_RECOVERY = 0x02,
148 	BOOT_STM32PROG = 0x03,
149 	BOOT_UMS_MMC0 = 0x10,
150 	BOOT_UMS_MMC1 = 0x11,
151 	BOOT_UMS_MMC2 = 0x12,
152 };
153 
154 /* offset used for BSEC driver: misc_read and misc_write */
155 #define STM32_BSEC_SHADOW_OFFSET	0x0
156 #define STM32_BSEC_SHADOW(id)		(STM32_BSEC_SHADOW_OFFSET + (id) * 4)
157 #define STM32_BSEC_OTP_OFFSET		0x80000000
158 #define STM32_BSEC_OTP(id)		(STM32_BSEC_OTP_OFFSET + (id) * 4)
159 #define STM32_BSEC_LOCK_OFFSET		0xC0000000
160 #define STM32_BSEC_LOCK(id)		(STM32_BSEC_LOCK_OFFSET + (id) * 4)
161 
162 /* BSEC OTP index */
163 #ifdef CONFIG_STM32MP15x
164 #define BSEC_OTP_RPN	1
165 #define BSEC_OTP_SERIAL	13
166 #define BSEC_OTP_PKG	16
167 #define BSEC_OTP_MAC	57
168 #define BSEC_OTP_BOARD	59
169 #endif
170 #ifdef CONFIG_STM32MP13x
171 #define BSEC_OTP_RPN	1
172 #define BSEC_OTP_SERIAL	13
173 #define BSEC_OTP_MAC	57
174 #define BSEC_OTP_BOARD	60
175 #endif
176 
177 #endif /* __ASSEMBLY__ */
178 #endif /* _MACH_STM32_H_ */
179