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/*
* Copyright (C) 1994-1999 Russell King
* Copyright (C) 2008-2009 Telechips
* Copyright (C) 2009 Hans J. Koch <hjk@linutronix.de>
*
* 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,tmp
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
moveq \rx, #0x90000000 @ physical base address
movne \rx, #0xF1000000 @ virtual base
orr \rx, \rx, #0x00007000 @ UART0
.endm
.macro senduart,rd,rx
strb \rd, [\rx, #0x44]
.endm
.macro waituart,rd,rx
.endm
.macro busyuart,rd,rx
1001:
ldr \rd, [\rx, #0x14]
tst \rd, #0x20
beq 1001b
.endm
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