arch/arm/mach-stm32mp/include/mach/sys_proto.h - u-boot - Git at Google

 /* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
 /*
  * Copyright (C) 2015-2017, STMicroelectronics - All Rights Reserved
  */

 #define CPU_STMP32MP15x	0x500

 /* return CPU_STMP32MPxx constants */
 u32 get_cpu_type(void);

 #define CPU_REVA	0x1000
 #define CPU_REVB	0x2000

 /* return CPU_REV constants */
 u32 get_cpu_rev(void);
	/* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
	/*
	* Copyright (C) 2015-2017, STMicroelectronics - All Rights Reserved
	*/

	#define CPU_STMP32MP15x 0x500

	/* return CPU_STMP32MPxx constants */
	u32 get_cpu_type(void);

	#define CPU_REVA 0x1000
	#define CPU_REVB 0x2000

	/* return CPU_REV constants */
	u32 get_cpu_rev(void);