u-boot/arch/arm/mach-stm32mp/include/mach/stm32.h
Patrick Delaunay 3419982bc3 stm32mp1: add bootcount support
Activate bootcount and use TAMP register to store the count value.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-05-23 11:36:47 +02:00

118 lines
3 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
/*
* Copyright (C) 2018, STMicroelectronics - All Rights Reserved
*/
#ifndef _MACH_STM32_H_
#define _MACH_STM32_H_
/*
* Peripheral memory map
* only address used before device tree parsing
*/
#define STM32_RCC_BASE 0x50000000
#define STM32_PWR_BASE 0x50001000
#define STM32_DBGMCU_BASE 0x50081000
#define STM32_TZC_BASE 0x5C006000
#define STM32_ETZPC_BASE 0x5C007000
#define STM32_TAMP_BASE 0x5C00A000
#define STM32_USART1_BASE 0x5C000000
#define STM32_USART2_BASE 0x4000E000
#define STM32_USART3_BASE 0x4000F000
#define STM32_UART4_BASE 0x40010000
#define STM32_UART5_BASE 0x40011000
#define STM32_USART6_BASE 0x44003000
#define STM32_UART7_BASE 0x40018000
#define STM32_UART8_BASE 0x40019000
#define STM32_SYSRAM_BASE 0x2FFC0000
#define STM32_SYSRAM_SIZE SZ_256K
#define STM32_DDR_BASE 0xC0000000
#define STM32_DDR_SIZE SZ_1G
#ifndef __ASSEMBLY__
/* enumerated used to identify the SYSCON driver instance */
enum {
STM32MP_SYSCON_UNKNOWN,
STM32MP_SYSCON_ETZPC,
STM32MP_SYSCON_PWR,
STM32MP_SYSCON_STGEN,
STM32MP_SYSCON_SYSCFG,
};
/*
* enumerated for boot interface from Bootrom, used in TAMP_BOOT_CONTEXT
* - boot device = bit 8:4
* - boot instance = bit 3:0
*/
#define BOOT_TYPE_MASK 0xF0
#define BOOT_TYPE_SHIFT 4
#define BOOT_INSTANCE_MASK 0x0F
#define BOOT_INSTANCE_SHIFT 0
enum boot_device {
BOOT_FLASH_SD = 0x10,
BOOT_FLASH_SD_1 = 0x11,
BOOT_FLASH_SD_2 = 0x12,
BOOT_FLASH_SD_3 = 0x13,
BOOT_FLASH_EMMC = 0x20,
BOOT_FLASH_EMMC_1 = 0x21,
BOOT_FLASH_EMMC_2 = 0x22,
BOOT_FLASH_EMMC_3 = 0x23,
BOOT_FLASH_NAND = 0x30,
BOOT_FLASH_NAND_FMC = 0x31,
BOOT_FLASH_NOR = 0x40,
BOOT_FLASH_NOR_QSPI = 0x41,
BOOT_SERIAL_UART = 0x50,
BOOT_SERIAL_UART_1 = 0x51,
BOOT_SERIAL_UART_2 = 0x52,
BOOT_SERIAL_UART_3 = 0x53,
BOOT_SERIAL_UART_4 = 0x54,
BOOT_SERIAL_UART_5 = 0x55,
BOOT_SERIAL_UART_6 = 0x56,
BOOT_SERIAL_UART_7 = 0x57,
BOOT_SERIAL_UART_8 = 0x58,
BOOT_SERIAL_USB = 0x60,
BOOT_SERIAL_USB_OTG = 0x62,
};
/* TAMP registers */
#define TAMP_BACKUP_REGISTER(x) (STM32_TAMP_BASE + 0x100 + 4 * x)
#define TAMP_BACKUP_MAGIC_NUMBER TAMP_BACKUP_REGISTER(4)
#define TAMP_BACKUP_BRANCH_ADDRESS TAMP_BACKUP_REGISTER(5)
#define TAMP_BOOT_CONTEXT TAMP_BACKUP_REGISTER(20)
#define TAMP_BOOTCOUNT TAMP_BACKUP_REGISTER(21)
#define TAMP_BOOT_MODE_MASK GENMASK(15, 8)
#define TAMP_BOOT_MODE_SHIFT 8
#define TAMP_BOOT_DEVICE_MASK GENMASK(7, 4)
#define TAMP_BOOT_INSTANCE_MASK GENMASK(3, 0)
#define TAMP_BOOT_FORCED_MASK GENMASK(7, 0)
enum forced_boot_mode {
BOOT_NORMAL = 0x00,
BOOT_FASTBOOT = 0x01,
BOOT_RECOVERY = 0x02,
BOOT_STM32PROG = 0x03,
BOOT_UMS_MMC0 = 0x10,
BOOT_UMS_MMC1 = 0x11,
BOOT_UMS_MMC2 = 0x12,
};
/* offset used for BSEC driver: misc_read and misc_write */
#define STM32_BSEC_SHADOW_OFFSET 0x0
#define STM32_BSEC_SHADOW(id) (STM32_BSEC_SHADOW_OFFSET + (id) * 4)
#define STM32_BSEC_OTP_OFFSET 0x80000000
#define STM32_BSEC_OTP(id) (STM32_BSEC_OTP_OFFSET + (id) * 4)
#define BSEC_OTP_BOARD 59
#endif /* __ASSEMBLY__*/
#endif /* _MACH_STM32_H_ */