diff options
Diffstat (limited to 'arch/arm/mach-omap2/include/mach/debug-macro.S')
-rw-r--r-- | arch/arm/mach-omap2/include/mach/debug-macro.S | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/include/mach/debug-macro.S b/arch/arm/mach-omap2/include/mach/debug-macro.S new file mode 100644 index 000000000000..e9f255df9163 --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/debug-macro.S | |||
@@ -0,0 +1,59 @@ | |||
1 | /* arch/arm/mach-omap2/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 | |||
14 | .macro addruart,rx | ||
15 | mrc p15, 0, \rx, c1, c0 | ||
16 | tst \rx, #1 @ MMU enabled? | ||
17 | #ifdef CONFIG_ARCH_OMAP2 | ||
18 | moveq \rx, #0x48000000 @ physical base address | ||
19 | movne \rx, #0xfa000000 @ virtual base | ||
20 | orr \rx, \rx, #0x0006a000 | ||
21 | #ifdef CONFIG_OMAP_LL_DEBUG_UART2 | ||
22 | add \rx, \rx, #0x00002000 @ UART 2 | ||
23 | #endif | ||
24 | #ifdef CONFIG_OMAP_LL_DEBUG_UART3 | ||
25 | add \rx, \rx, #0x00004000 @ UART 3 | ||
26 | #endif | ||
27 | |||
28 | #elif defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) | ||
29 | moveq \rx, #0x48000000 @ physical base address | ||
30 | movne \rx, #0xfa000000 @ virtual base | ||
31 | orr \rx, \rx, #0x0006a000 | ||
32 | #ifdef CONFIG_OMAP_LL_DEBUG_UART2 | ||
33 | add \rx, \rx, #0x00002000 @ UART 2 | ||
34 | #endif | ||
35 | #ifdef CONFIG_OMAP_LL_DEBUG_UART3 | ||
36 | add \rx, \rx, #0x00fb0000 @ UART 3 | ||
37 | add \rx, \rx, #0x00006000 | ||
38 | #endif | ||
39 | #endif | ||
40 | .endm | ||
41 | |||
42 | .macro senduart,rd,rx | ||
43 | strb \rd, [\rx] | ||
44 | .endm | ||
45 | |||
46 | .macro busyuart,rd,rx | ||
47 | 1001: ldrb \rd, [\rx, #(0x5 << 2)] @ OMAP-1510 and friends | ||
48 | and \rd, \rd, #0x60 | ||
49 | teq \rd, #0x60 | ||
50 | beq 1002f | ||
51 | ldrb \rd, [\rx, #(0x5 << 0)] @ OMAP-730 only | ||
52 | and \rd, \rd, #0x60 | ||
53 | teq \rd, #0x60 | ||
54 | bne 1001b | ||
55 | 1002: | ||
56 | .endm | ||
57 | |||
58 | .macro waituart,rd,rx | ||
59 | .endm | ||