/* 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 | |
.endm | |
.macro senduart,rd,rx | |
strb \rd, [\rx] | |
.endm | |
.macro busyuart,rd,rx | |
1001: ldrb \rd, [\rx, #0x14] | |
and \rd, \rd, #0x60 | |
teq \rd, #0x60 | |
bne 1001b | |
.endm | |
.macro waituart,rd,rx | |
1001: ldrb \rd, [\rx, #0x18] | |
tst \rd, #0x10 | |
beq 1001b | |
.endm |