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/*

 *  linux/arch/arm/lib/io-acorn.S

 *

 *  Copyright (C) 1995, 1996 Russell King

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */

#include  /* for CONFIG_CPU_nn */

#include 

#include 

#include 

                .text

                .align

                .equ    diff_pcio_base, PCIO_BASE - IO_BASE

                .macro  outw2   rd

                mov     r8, \rd, lsl #16

                orr     r8, r8, r8, lsr #16

                str     r8, [r3, r0, lsl #2]

                mov     r8, \rd, lsr #16

                orr     r8, r8, r8, lsl #16

                str     r8, [r3, r0, lsl #2]

                .endm

                .macro  inw2    rd, mask, temp

                ldr     \rd, [r0]

                and     \rd, \rd, \mask

                ldr     \temp, [r0]

                orr     \rd, \rd, \temp, lsl #16

                .endm

                .macro  addr    rd

                tst     \rd, #0x80000000

                mov     \rd, \rd, lsl #2

                add     \rd, \rd, #IO_BASE

                addeq   \rd, \rd, #diff_pcio_base

                .endm

.iosl_warning:

                .ascii  "<4>insl/outsl not implemented, called from %08lX\0"

                .align

/*

 * These make no sense on Acorn machines.

 * Print a warning message.

 */

ENTRY(insl)

ENTRY(outsl)

                adr     r0, .iosl_warning

                mov     r1, lr

                b       SYMBOL_NAME(printk)

@ Purpose: write a memc register

@ Proto  : void memc_write(int register, int value);

@ Returns: nothing

#ifdef CONFIG_CPU_26

ENTRY(memc_write)

                cmp     r0, #7

                RETINSTR(movgt,pc,lr)

                mov     r0, r0, lsl #17

                mov     r1, r1, lsl #15

                mov     r1, r1, lsr #17

                orr     r0, r0, r1, lsl #2

                add     r0, r0, #0x03600000

                strb    r0, [r0]

                RETINSTR(mov,pc,lr)

#endif