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/* 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 */
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