[mirror_ubuntu-zesty-kernel.git] / arch / arm / mach-sa1100 / include / mach / hardware.h

/*
 * 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)))

static inline unsigned long get_clock_tick_rate(void)
{
	return 3686400;
}
#else

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

#endif

#include "SA-1100.h"

#ifdef CONFIG_SA1101
#include "SA-1101.h"
#endif

#endif  /* _ASM_ARCH_HARDWARE_H */
Commit	Line	Data
1da177e4	1	/*
a09e64fb	2	* arch/arm/mach-sa1100/include/mach/hardware.h
1da177e4	3	*
2f82af08	4	* Copyright (C) 1998 Nicolas Pitre <nico@fluxnic.net>
1da177e4 LT	5	*
	6	* This file contains the hardware definitions for SA1100 architecture
	7	*
	8	* 2000/05/23 John Dorsey <john+@cs.cmu.edu>
	9	* Definitions for SA1111 added.
	10	*/
	11
	12	#ifndef __ASM_ARCH_HARDWARE_H
	13	#define __ASM_ARCH_HARDWARE_H
	14
1da177e4	15
c94e4ad2	16	#define UNCACHEABLE_ADDR 0xfa050000 /* ICIP */
1da177e4 LT	17
1da177e4 LT	18
1da177e4 LT	19	/*
	20	* SA1100 internal I/O mappings
	21	*
	22	* We have the following mapping:
	23	* phys virt
	24	* 80000000 f8000000
	25	* 90000000 fa000000
	26	* a0000000 fc000000
	27	* b0000000 fe000000
	28	*/
	29
	30	#define VIO_BASE 0xf8000000 /* virtual start of IO space */
	31	#define VIO_SHIFT 3 /* x = IO space shrink power */
	32	#define PIO_START 0x80000000 /* physical start of IO space */
	33
	34	#define io_p2v( x ) \
3169663a	35	IOMEM( (((x)&0x00ffffff) \| (((x)&0x30000000)>>VIO_SHIFT)) + VIO_BASE )
1da177e4 LT	36	#define io_v2p( x ) \
	37	( (((x)&0x00ffffff) \| (((x)&(0x30000000>>VIO_SHIFT))<<VIO_SHIFT)) + PIO_START )
	38
3169663a RK	39	#define __MREG(x) IOMEM(io_p2v(x))
3169663a RK	40
1da177e4	41	#ifndef __ASSEMBLY__
1da177e4	42
3169663a	43	# define __REG(x) (((volatile unsigned long __iomem )io_p2v(x)))
61c8c158	44	# define __PREG(x) (io_v2p((unsigned long)&(x)))
1da177e4	45
6769717d EM	46	static inline unsigned long get_clock_tick_rate(void)
	47	{
	48	return 3686400;
	49	}
1da177e4 LT	50	#else
	51
	52	# define __REG(x) io_p2v(x)
	53	# define __PREG(x) io_v2p(x)
	54
	55	#endif
	56
	57	#include "SA-1100.h"
	58
	59	#ifdef CONFIG_SA1101
	60	#include "SA-1101.h"
	61	#endif
	62
	63	#endif /* _ASM_ARCH_HARDWARE_H */