[thirdparty/kernel/stable.git] / arch / arm / mach-lpc32xx / include / mach / hardware.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * arch/arm/mach-lpc32xx/include/mach/hardware.h
 *
 * Copyright (c) 2005 MontaVista Software, Inc. <source@mvista.com>
 */

#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H

/*
 * Start of virtual addresses for IO devices
 */
#define IO_BASE		0xF0000000

/*
 * This macro relies on fact that for all HW i/o addresses bits 20-23 are 0
 */
#define IO_ADDRESS(x)	IOMEM(((((x) & 0xff000000) >> 4) | ((x) & 0xfffff)) |\
			 IO_BASE)

#define io_p2v(x)	((void __iomem *) (unsigned long) IO_ADDRESS(x))
#define io_v2p(x)	((((x) & 0x0ff00000) << 4) | ((x) & 0x000fffff))

#endif
Commit	Line	Data
c942fddf	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
437db590 KW	2	/*
	3	* arch/arm/mach-lpc32xx/include/mach/hardware.h
	4	*
	5	* Copyright (c) 2005 MontaVista Software, Inc. <source@mvista.com>
437db590 KW	6	*/
	7
	8	#ifndef __ASM_ARCH_HARDWARE_H
	9	#define __ASM_ARCH_HARDWARE_H
	10
	11	/*
	12	* Start of virtual addresses for IO devices
	13	*/
	14	#define IO_BASE 0xF0000000
	15
	16	/*
	17	* This macro relies on fact that for all HW i/o addresses bits 20-23 are 0
	18	*/
df38b24f	19	#define IO_ADDRESS(x) IOMEM(((((x) & 0xff000000) >> 4) \| ((x) & 0xfffff)) \|\
437db590 KW	20	IO_BASE)
	21
	22	#define io_p2v(x) ((void __iomem *) (unsigned long) IO_ADDRESS(x))
	23	#define io_v2p(x) ((((x) & 0x0ff00000) << 4) \| ((x) & 0x000fffff))
	24
	25	#endif