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- /* 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
- orrne \rx, \rx, #0x00b00000
- 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
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