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/* linux/include/asm-arm/arch-ixp4xx/debug-macro.S
*
* Debugging macro include header
*
* Copyright (C) 1994-1999 Russell King
* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
*
* 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.
*/
.macro addruart,rx
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
moveq \rx, #0xc8000000
movne \rx, #0xff000000
orrne \rx, \rx, #0x00b00000
add \rx,\rx,#3 @ Uart regs are at off set of 3 if
@ byte writes used - Big Endian.
.endm
.macro senduart,rd,rx
strb \rd, [\rx]
.endm
.macro waituart,rd,rx
1002: ldrb \rd, [\rx, #0x14]
and \rd, \rd, #0x60 @ check THRE and TEMT bits
teq \rd, #0x60
bne 1002b
.endm
.macro busyuart,rd,rx
.endm
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