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RealView: Add debug-macro.S support for the PB1176 platform
[linux-2.6-omap-h63xx.git] / arch / arm / mach-realview / include / mach / debug-macro.S
1 /* arch/arm/mach-realview/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
13 #if defined(CONFIG_MACH_REALVIEW_EB) || \
14     defined(CONFIG_MACH_REALVIEW_PB11MP)
15 #ifndef DEBUG_LL_UART_OFFSET
16 #define DEBUG_LL_UART_OFFSET    0x00009000
17 #elif DEBUG_LL_UART_OFFSET != 0x00009000
18 #warning "DEBUG_LL_UART_OFFSET already defined to a different value"
19 #endif
20 #endif
21
22 #ifdef CONFIG_MACH_REALVIEW_PB1176
23 #ifndef DEBUG_LL_UART_OFFSET
24 #define DEBUG_LL_UART_OFFSET    0x0010c000
25 #elif DEBUG_LL_UART_OFFSET != 0x0010c000
26 #warning "DEBUG_LL_UART_OFFSET already defined to a different value"
27 #endif
28 #endif
29
30 #ifndef DEBUG_LL_UART_OFFSET
31 #error "Unknown RealView platform"
32 #endif
33
34                 .macro  addruart,rx
35                 mrc     p15, 0, \rx, c1, c0
36                 tst     \rx, #1                 @ MMU enabled?
37                 moveq   \rx,      #0x10000000
38                 movne   \rx,      #0xf0000000   @ virtual base
39                 orr     \rx, \rx, #DEBUG_LL_UART_OFFSET
40                 .endm
41
42 #include <asm/hardware/debug-pl01x.S>