[people/ms/linux.git] / arch / arm / mach-sa1100 / include / mach / hardware.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * arch/arm/mach-sa1100/include/mach/hardware.h
 *
 * Copyright (C) 1998 Nicolas Pitre <nico@fluxnic.net>
 *
 * This file contains the hardware definitions for SA1100 architecture
 *
 * 2000/05/23 John Dorsey <john+@cs.cmu.edu>
 *      Definitions for SA1111 added.
 */

#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H


#define UNCACHEABLE_ADDR	0xfa050000	/* ICIP */


/*
 * SA1100 internal I/O mappings
 *
 * We have the following mapping:
 *      phys            virt
 *      80000000        f8000000
 *      90000000        fa000000
 *      a0000000        fc000000
 *      b0000000        fe000000
 */

#define VIO_BASE        0xf8000000	/* virtual start of IO space */
#define VIO_SHIFT       3		/* x = IO space shrink power */
#define PIO_START       0x80000000	/* physical start of IO space */

#define io_p2v( x )             \
   IOMEM( (((x)&0x00ffffff) | (((x)&0x30000000)>>VIO_SHIFT)) + VIO_BASE )
#define io_v2p( x )             \
   ( (((x)&0x00ffffff) | (((x)&(0x30000000>>VIO_SHIFT))<<VIO_SHIFT)) + PIO_START )

#define __MREG(x)	IOMEM(io_p2v(x))

#ifndef __ASSEMBLY__

# define __REG(x)	(*((volatile unsigned long __iomem *)io_p2v(x)))
# define __PREG(x)	(io_v2p((unsigned long)&(x)))

#else

# define __REG(x)	io_p2v(x)
# define __PREG(x)	io_v2p(x)

#endif

#include "SA-1100.h"

#endif  /* _ASM_ARCH_HARDWARE_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4	2	/*
a09e64fb	3	* arch/arm/mach-sa1100/include/mach/hardware.h
1da177e4	4	*
2f82af08	5	* Copyright (C) 1998 Nicolas Pitre <nico@fluxnic.net>
1da177e4 LT	6	*
	7	* This file contains the hardware definitions for SA1100 architecture
	8	*
	9	* 2000/05/23 John Dorsey <john+@cs.cmu.edu>
	10	* Definitions for SA1111 added.
	11	*/
	12
	13	#ifndef __ASM_ARCH_HARDWARE_H
	14	#define __ASM_ARCH_HARDWARE_H
	15
1da177e4	16
c94e4ad2	17	#define UNCACHEABLE_ADDR 0xfa050000 /* ICIP */
1da177e4 LT	18
1da177e4 LT	19
1da177e4 LT	20	/*
	21	* SA1100 internal I/O mappings
	22	*
	23	* We have the following mapping:
	24	* phys virt
	25	* 80000000 f8000000
	26	* 90000000 fa000000
	27	* a0000000 fc000000
	28	* b0000000 fe000000
	29	*/
	30
	31	#define VIO_BASE 0xf8000000 /* virtual start of IO space */
	32	#define VIO_SHIFT 3 /* x = IO space shrink power */
	33	#define PIO_START 0x80000000 /* physical start of IO space */
	34
	35	#define io_p2v( x ) \
3169663a	36	IOMEM( (((x)&0x00ffffff) \| (((x)&0x30000000)>>VIO_SHIFT)) + VIO_BASE )
1da177e4 LT	37	#define io_v2p( x ) \
	38	( (((x)&0x00ffffff) \| (((x)&(0x30000000>>VIO_SHIFT))<<VIO_SHIFT)) + PIO_START )
	39
3169663a RK	40	#define __MREG(x) IOMEM(io_p2v(x))
3169663a RK	41
1da177e4	42	#ifndef __ASSEMBLY__
1da177e4	43
3169663a	44	# define __REG(x) (((volatile unsigned long __iomem )io_p2v(x)))
61c8c158	45	# define __PREG(x) (io_v2p((unsigned long)&(x)))
1da177e4 LT	46
	47	#else
	48
	49	# define __REG(x) io_p2v(x)
	50	# define __PREG(x) io_v2p(x)
	51
	52	#endif
	53
	54	#include "SA-1100.h"
	55
1da177e4	56	#endif /* _ASM_ARCH_HARDWARE_H */