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aca59b89 | 1 | /* arch/arm/mach-omap1/include/mach/debug-macro.S |
1da177e4 LT |
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 | ||
4e6d488a | 14 | .macro addruart, rx, tmp |
1da177e4 LT |
15 | mrc p15, 0, \rx, c1, c0 |
16 | tst \rx, #1 @ MMU enabled? | |
17 | moveq \rx, #0xff000000 @ physical base address | |
18 | movne \rx, #0xfe000000 @ virtual base | |
19 | orr \rx, \rx, #0x00fb0000 | |
20 | #ifdef CONFIG_OMAP_LL_DEBUG_UART3 | |
21 | orr \rx, \rx, #0x00009000 @ UART 3 | |
22 | #endif | |
23 | #if defined(CONFIG_OMAP_LL_DEBUG_UART2) || defined(CONFIG_OMAP_LL_DEBUG_UART3) | |
24 | orr \rx, \rx, #0x00000800 @ UART 2 & 3 | |
25 | #endif | |
26 | .endm | |
27 | ||
28 | .macro senduart,rd,rx | |
29 | strb \rd, [\rx] | |
30 | .endm | |
31 | ||
32 | .macro busyuart,rd,rx | |
33 | 1001: ldrb \rd, [\rx, #(0x5 << 2)] @ OMAP-1510 and friends | |
34 | and \rd, \rd, #0x60 | |
35 | teq \rd, #0x60 | |
36 | beq 1002f | |
37 | ldrb \rd, [\rx, #(0x5 << 0)] @ OMAP-730 only | |
38 | and \rd, \rd, #0x60 | |
39 | teq \rd, #0x60 | |
40 | bne 1001b | |
41 | 1002: | |
42 | .endm | |
43 | ||
44 | .macro waituart,rd,rx | |
45 | .endm |