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/* linux/include/asm-arm/arch-iop3xx/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
mov \rx, #0xfe000000 @ physical
#if defined(CONFIG_ARCH_IQ80321) || defined(CONFIG_ARCH_IQ31244)
orr \rx, \rx, #0x00800000 @ location of the UART
#elif defined(CONFIG_ARCH_IOP331)
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
moveq \rx, #0x000fe000 @ Physical Base
movne \rx, #0
orr \rx, \rx, #0xfe000000
orr \rx, \rx, #0x00f00000 @ Virtual Base
orr \rx, \rx, #0x00001700 @ location of the UART
#else
#error Unknown IOP3XX implementation
#endif
.endm
.macro senduart,rd,rx
strb \rd, [\rx]
.endm
.macro busyuart,rd,rx
1002: ldrb \rd, [\rx, #0x5]
and \rd, \rd, #0x60
teq \rd, #0x60
bne 1002b
.endm
.macro waituart,rd,rx
#if !defined(CONFIG_ARCH_IQ80321) || !defined(CONFIG_ARCH_IQ31244) || !defined(CONFIG_ARCH_IQ80331)
1001: ldrb \rd, [\rx, #0x6]
tst \rd, #0x10
beq 1001b
#endif
.endm
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