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-rw-r--r--arch/arm/mach-omap2/include/mach/debug-macro.S59
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
471001: 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
551002:
56 .endm
57
58 .macro waituart,rd,rx
59 .endm