2005-04-16 18:20:36 -04:00
|
|
|
/* 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
|
2005-06-27 16:48:48 -04:00
|
|
|
orrne \rx, \rx, #0x00b00000
|
2005-04-16 18:20:36 -04:00
|
|
|
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
|
