blob: 456d3d754c3d0711208c06a919b94d47becdfd81 [file] [log] [blame]
/* linux/include/asm-arm/arch-rpc/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, #0x03000000
movne \rx, #0xe0000000
orr \rx, \rx, #0x00010000
orr \rx, \rx, #0x00000fe0
.macro senduart,rd,rx
strb \rd, [\rx]
.macro busyuart,rd,rx
1001: ldrb \rd, [\rx, #0x14]
and \rd, \rd, #0x60
teq \rd, #0x60
bne 1001b
.macro waituart,rd,rx
1001: ldrb \rd, [\rx, #0x18]
tst \rd, #0x10
beq 1001b