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178a415534
Depending on backup register value, we maintain the debug unit powered-on for debugging purpose. Only BUCK1 is required for powering the debug unit, so revert the setting for all the other power lanes, except BUCK3 that has to be always on. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
119 lines
3.0 KiB
C
119 lines
3.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
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/*
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* Copyright (C) 2018, STMicroelectronics - All Rights Reserved
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*/
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#ifndef _MACH_STM32_H_
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#define _MACH_STM32_H_
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/*
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* Peripheral memory map
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* only address used before device tree parsing
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*/
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#define STM32_RCC_BASE 0x50000000
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#define STM32_PWR_BASE 0x50001000
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#define STM32_DBGMCU_BASE 0x50081000
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#define STM32_TZC_BASE 0x5C006000
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#define STM32_ETZPC_BASE 0x5C007000
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#define STM32_STGEN_BASE 0x5C008000
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#define STM32_TAMP_BASE 0x5C00A000
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#define STM32_USART1_BASE 0x5C000000
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#define STM32_USART2_BASE 0x4000E000
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#define STM32_USART3_BASE 0x4000F000
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#define STM32_UART4_BASE 0x40010000
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#define STM32_UART5_BASE 0x40011000
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#define STM32_USART6_BASE 0x44003000
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#define STM32_UART7_BASE 0x40018000
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#define STM32_UART8_BASE 0x40019000
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#define STM32_SYSRAM_BASE 0x2FFC0000
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#define STM32_SYSRAM_SIZE SZ_256K
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#define STM32_DDR_BASE 0xC0000000
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#define STM32_DDR_SIZE SZ_1G
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#ifndef __ASSEMBLY__
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/* enumerated used to identify the SYSCON driver instance */
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enum {
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STM32MP_SYSCON_UNKNOWN,
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STM32MP_SYSCON_PWR,
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STM32MP_SYSCON_SYSCFG,
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};
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/*
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* enumerated for boot interface from Bootrom, used in TAMP_BOOT_CONTEXT
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* - boot device = bit 8:4
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* - boot instance = bit 3:0
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*/
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#define BOOT_TYPE_MASK 0xF0
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#define BOOT_TYPE_SHIFT 4
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#define BOOT_INSTANCE_MASK 0x0F
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#define BOOT_INSTANCE_SHIFT 0
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enum boot_device {
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BOOT_FLASH_SD = 0x10,
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BOOT_FLASH_SD_1 = 0x11,
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BOOT_FLASH_SD_2 = 0x12,
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BOOT_FLASH_SD_3 = 0x13,
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BOOT_FLASH_EMMC = 0x20,
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BOOT_FLASH_EMMC_1 = 0x21,
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BOOT_FLASH_EMMC_2 = 0x22,
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BOOT_FLASH_EMMC_3 = 0x23,
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BOOT_FLASH_NAND = 0x30,
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BOOT_FLASH_NAND_FMC = 0x31,
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BOOT_FLASH_NOR = 0x40,
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BOOT_FLASH_NOR_QSPI = 0x41,
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BOOT_SERIAL_UART = 0x50,
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BOOT_SERIAL_UART_1 = 0x51,
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BOOT_SERIAL_UART_2 = 0x52,
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BOOT_SERIAL_UART_3 = 0x53,
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BOOT_SERIAL_UART_4 = 0x54,
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BOOT_SERIAL_UART_5 = 0x55,
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BOOT_SERIAL_UART_6 = 0x56,
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BOOT_SERIAL_UART_7 = 0x57,
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BOOT_SERIAL_UART_8 = 0x58,
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BOOT_SERIAL_USB = 0x60,
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BOOT_SERIAL_USB_OTG = 0x62,
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};
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/* TAMP registers */
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#define TAMP_BACKUP_REGISTER(x) (STM32_TAMP_BASE + 0x100 + 4 * x)
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#define TAMP_BACKUP_MAGIC_NUMBER TAMP_BACKUP_REGISTER(4)
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#define TAMP_BACKUP_BRANCH_ADDRESS TAMP_BACKUP_REGISTER(5)
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#define TAMP_BOOT_CONTEXT TAMP_BACKUP_REGISTER(20)
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#define TAMP_BOOTCOUNT TAMP_BACKUP_REGISTER(21)
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#define TAMP_BOOT_MODE_MASK GENMASK(15, 8)
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#define TAMP_BOOT_MODE_SHIFT 8
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#define TAMP_BOOT_DEVICE_MASK GENMASK(7, 4)
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#define TAMP_BOOT_INSTANCE_MASK GENMASK(3, 0)
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#define TAMP_BOOT_FORCED_MASK GENMASK(7, 0)
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#define TAMP_BOOT_DEBUG_ON BIT(16)
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enum forced_boot_mode {
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BOOT_NORMAL = 0x00,
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BOOT_FASTBOOT = 0x01,
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BOOT_RECOVERY = 0x02,
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BOOT_STM32PROG = 0x03,
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BOOT_UMS_MMC0 = 0x10,
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BOOT_UMS_MMC1 = 0x11,
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BOOT_UMS_MMC2 = 0x12,
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};
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/* offset used for BSEC driver: misc_read and misc_write */
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#define STM32_BSEC_SHADOW_OFFSET 0x0
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#define STM32_BSEC_SHADOW(id) (STM32_BSEC_SHADOW_OFFSET + (id) * 4)
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#define STM32_BSEC_OTP_OFFSET 0x80000000
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#define STM32_BSEC_OTP(id) (STM32_BSEC_OTP_OFFSET + (id) * 4)
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#define BSEC_OTP_BOARD 59
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#endif /* __ASSEMBLY__*/
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#endif /* _MACH_STM32_H_ */
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