| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 1 | /* arch/arm/mach-ixp4xx/include/mach/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 | |
| Tony Lindgren | 4e6d488 | 2010-02-01 23:26:53 +0100 | [diff] [blame] | 13 | .macro addruart, rx, tmp |
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 14 | mrc p15, 0, \rx, c1, c0 |
| 15 | tst \rx, #1 @ MMU enabled? |
| 16 | moveq \rx, #0xc8000000 |
| 17 | movne \rx, #0xff000000 |
| 18 | orrne \rx, \rx, #0x00b00000 |
| Krzysztof Hałasa | 42ea573 | 2010-03-16 22:11:59 +0100 | [diff] [blame^] | 19 | #ifdef __ARMEB__ |
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 20 | add \rx,\rx,#3 @ Uart regs are at off set of 3 if |
| 21 | @ byte writes used - Big Endian. |
| Krzysztof Hałasa | 42ea573 | 2010-03-16 22:11:59 +0100 | [diff] [blame^] | 22 | #endif |
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 23 | .endm |
| 24 | |
| 25 | #define UART_SHIFT 2 |
| 26 | #include <asm/hardware/debug-8250.S> |