u-boot/arch/arm/include/asm/arch-stm32f4/stm32.h

/*
 * (C) Copyright 2011
 * Yuri Tikhonov, Emcraft Systems, yur@emcraft.com
 *
 * (C) Copyright 2015
 * Kamil Lulko, <kamil.lulko@gmail.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef _MACH_STM32_H_
#define _MACH_STM32_H_

/*
 * Peripheral memory map
 */
#define STM32_SYSMEM_BASE	0x1FFF0000
#define STM32_PERIPH_BASE	0x40000000
#define STM32_APB1PERIPH_BASE	(STM32_PERIPH_BASE + 0x00000000)
#define STM32_APB2PERIPH_BASE	(STM32_PERIPH_BASE + 0x00010000)
#define STM32_AHB1PERIPH_BASE	(STM32_PERIPH_BASE + 0x00020000)
#define STM32_AHB2PERIPH_BASE	(STM32_PERIPH_BASE + 0x10000000)

#define STM32_BUS_MASK		0xFFFF0000

/*
 * Register maps
 */
struct stm32_u_id_regs {
	u32 u_id_low;
	u32 u_id_mid;
	u32 u_id_high;
};

/*
 * Registers access macros
 */
#define STM32_U_ID_BASE		(STM32_SYSMEM_BASE + 0x7A10)
#define STM32_U_ID		((struct stm32_u_id_regs *)STM32_U_ID_BASE)

#define STM32_RCC_BASE		(STM32_AHB1PERIPH_BASE + 0x3800)
#define STM32_RCC		((struct stm32_rcc_regs *)STM32_RCC_BASE)

#define FLASH_CNTL_BASE		(STM32_AHB1PERIPH_BASE + 0x3C00)

static const u32 sect_sz_kb[CONFIG_SYS_MAX_FLASH_SECT] = {
	[0 ... 3] =	16 * 1024,
	[4] =		64 * 1024,
	[5 ... 11] =	128 * 1024
};

void stm32_flash_latency_cfg(int latency);

#endif /* _MACH_STM32_H_ */