Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm / 6d6b89bd2e316b78d668f761d380837b81fa71ef / . / arch / arm / mach-footbridge / include / mach / debug-macro.S
blob: 60dda1318f2285785829c46c399889d5da495c89 [file] [log] [blame]
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]1/* arch/arm/mach-footbridge/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#include <asm/hardware/dec21285.h>
15
16#ifndef CONFIG_DEBUG_DC21285_PORT
17 /* For NetWinder debugging */
Tony Lindgren4e6d4882010-02-01 23:26:53 +0100[diff] [blame]18 .macro addruart, rx, tmp
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]19 mrc p15, 0, \rx, c1, c0
20 tst \rx, #1 @ MMU enabled?
21 moveq \rx, #0x7c000000 @ physical
22 movne \rx, #0xff000000 @ virtual
23 orr \rx, \rx, #0x000003f8
24 .endm
25
26#define UART_SHIFT 0
27#define FLOW_CONTROL
28#include <asm/hardware/debug-8250.S>
29
30#else
31 /* For EBSA285 debugging */
32 .equ dc21285_high, ARMCSR_BASE & 0xff000000
33 .equ dc21285_low, ARMCSR_BASE & 0x00ffffff
34
Tony Lindgren4e6d4882010-02-01 23:26:53 +0100[diff] [blame]35 .macro addruart, rx, tmp
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]36 mrc p15, 0, \rx, c1, c0
37 tst \rx, #1 @ MMU enabled?
38 moveq \rx, #0x42000000
39 movne \rx, #dc21285_high
40 .if dc21285_low
41 orrne \rx, \rx, #dc21285_low
42 .endif
43 .endm
44
45 .macro senduart,rd,rx
46 str \rd, [\rx, #0x160] @ UARTDR
47 .endm
48
49 .macro busyuart,rd,rx
501001: ldr \rd, [\rx, #0x178] @ UARTFLG
51 tst \rd, #1 << 3
52 bne 1001b
53 .endm
54
55 .macro waituart,rd,rx
56 .endm
57#endif