u-boot/arch/powerpc/cpu/mpc5xxx/io.S

/*
 *  Copyright (C) 1998	Dan Malek <dmalek@jlc.net>
 *  Copyright (C) 1999	Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
 *  Copyright (C) 2001	Sysgo Real-Time Solutions, GmbH <www.elinos.com>
 *			Andreas Heppel <aheppel@sysgo.de>
 *  Copyright (C) 2003	Wolfgang Denk <wd@denx.de>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <config.h>
#include <ppc_asm.tmpl>

/* ------------------------------------------------------------------------------- */
/*  Function:     in8 */
/*  Description:  Input 8 bits */
/* ------------------------------------------------------------------------------- */
	.globl  in8
in8:
	lbz     r3,0(r3)
	sync
	blr

/* ------------------------------------------------------------------------------- */
/*  Function:     in16 */
/*  Description:  Input 16 bits */
/* ------------------------------------------------------------------------------- */
	.globl  in16
in16:
	lhz     r3,0(r3)
	sync
	blr

/* ------------------------------------------------------------------------------- */
/*  Function:     in16r */
/*  Description:  Input 16 bits and byte reverse */
/* ------------------------------------------------------------------------------- */
	.globl  in16r
in16r:
	lhbrx   r3,0,r3
	sync
	blr

/* ------------------------------------------------------------------------------- */
/*  Function:     in32 */
/*  Description:  Input 32 bits */
/* ------------------------------------------------------------------------------- */
	.globl  in32
in32:
	lwz     3,0(3)
	sync
	blr

/* ------------------------------------------------------------------------------- */
/*  Function:     in32r */
/*  Description:  Input 32 bits and byte reverse */
/* ------------------------------------------------------------------------------- */
    .globl  in32r
in32r:
	lwbrx   r3,0,r3
	sync
	blr

/* ------------------------------------------------------------------------------- */
/*  Function:     out8 */
/*  Description:  Output 8 bits */
/* ------------------------------------------------------------------------------- */
	.globl  out8
out8:
	stb     r4,0(r3)
	sync
	blr

/* ------------------------------------------------------------------------------- */
/*  Function:     out16 */
/*  Description:  Output 16 bits */
/* ------------------------------------------------------------------------------- */
	.globl  out16
out16:
	sth     r4,0(r3)
	sync
	blr

/* ------------------------------------------------------------------------------- */
/*  Function:     out16r */
/*  Description:  Byte reverse and output 16 bits */
/* ------------------------------------------------------------------------------- */
	.globl  out16r
out16r:
	sthbrx  r4,0,r3
	sync
	blr

/* ------------------------------------------------------------------------------- */
/*  Function:     out32 */
/*  Description:  Output 32 bits */
/* ------------------------------------------------------------------------------- */
	.globl  out32
out32:
	stw     r4,0(r3)
	sync
	blr

/* ------------------------------------------------------------------------------- */
/*  Function:     out32r */
/*  Description:  Byte reverse and output 32 bits */
/* ------------------------------------------------------------------------------- */
	.globl  out32r
out32r:
	stwbrx  r4,0,r3
	sync
	blr