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/* SPDX-License-Identifier: GPL-2.0 */ /* * arch/arm/mach-s3c2410/include/mach/io.h * from arch/arm/mach-rpc/include/mach/io.h * * Copyright (C) 1997 Russell King * (C) 2003 Simtec Electronics */
#ifndef __ASM_ARM_ARCH_IO_S3C24XX_H #define __ASM_ARM_ARCH_IO_S3C24XX_H
#include <mach/map-base.h>
/* * ISA style IO, for each machine to sort out mappings for, * if it implements it. We reserve two 16M regions for ISA, * so the PC/104 can use separate addresses for 8-bit and * 16-bit port I/O. */ #define PCIO_BASE S3C_ADDR(0x02000000) #define IO_SPACE_LIMIT 0x00ffffff #define S3C24XX_VA_ISA_WORD (PCIO_BASE) #define S3C24XX_VA_ISA_BYTE (PCIO_BASE + 0x01000000)
#ifdef CONFIG_ISA
#define inb(p) readb(S3C24XX_VA_ISA_BYTE + (p)) #define inw(p) readw(S3C24XX_VA_ISA_WORD + (p)) #define inl(p) readl(S3C24XX_VA_ISA_WORD + (p))
#define outb(v,p) writeb((v), S3C24XX_VA_ISA_BYTE + (p)) #define outw(v,p) writew((v), S3C24XX_VA_ISA_WORD + (p)) #define outl(v,p) writel((v), S3C24XX_VA_ISA_WORD + (p))
#define insb(p,d,l) readsb(S3C24XX_VA_ISA_BYTE + (p),d,l) #define insw(p,d,l) readsw(S3C24XX_VA_ISA_WORD + (p),d,l) #define insl(p,d,l) readsl(S3C24XX_VA_ISA_WORD + (p),d,l)
#define outsb(p,d,l) writesb(S3C24XX_VA_ISA_BYTE + (p),d,l) #define outsw(p,d,l) writesw(S3C24XX_VA_ISA_WORD + (p),d,l) #define outsl(p,d,l) writesl(S3C24XX_VA_ISA_WORD + (p),d,l)
#else
#define __io(x) (PCIO_BASE + (x))
#endif
#endif
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