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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* linux/include/asm-arm/arch-ixp4xx/debug-macro.S
2 *
3 * Debugging macro include header
4 *
5 * Copyright (C) 1994-1999 Russell King
6 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13 .macro addruart,rx
14 mrc p15, 0, \rx, c1, c0
15 tst \rx, #1 @ MMU enabled?
16 moveq \rx, #0xc8000000
Linus Torvalds1da177e2005-04-16 15:20:36 -070017 movne \rx, #0xff000000
Deepak Saxenab46ffae2005-06-27 21:48:48 +010018 orrne \rx, \rx, #0x00b00000
Linus Torvalds1da177e2005-04-16 15:20:36 -070019 add \rx,\rx,#3 @ Uart regs are at off set of 3 if
20 @ byte writes used - Big Endian.
21 .endm
22
Russell King268099e2006-03-16 20:40:25 +000023#define UART_SHIFT 2
24#include <asm/hardware/debug-8250.S>