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Russell Kinga09e64f2008-08-05 16:14:15 +01001/* 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 */
Jeremy Kerr0ea12932010-07-06 18:30:06 +080018 .macro addruart, rp, rv
19 mov \rp, #0x000003f8
Russell King5f2c1b32011-01-28 20:57:57 +000020 orr \rv, \rp, #0xff000000 @ virtual
21 orr \rp, \rp, #0x7c000000 @ physical
Russell Kinga09e64f2008-08-05 16:14:15 +010022 .endm
23
24#define UART_SHIFT 0
25#define FLOW_CONTROL
26#include <asm/hardware/debug-8250.S>
27
28#else
Russell Kinge172ded2011-06-11 00:44:35 +010029#include <mach/hardware.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010030 /* For EBSA285 debugging */
31 .equ dc21285_high, ARMCSR_BASE & 0xff000000
32 .equ dc21285_low, ARMCSR_BASE & 0x00ffffff
33
Jeremy Kerr0ea12932010-07-06 18:30:06 +080034 .macro addruart, rp, rv
Russell Kinga09e64f2008-08-05 16:14:15 +010035 .if dc21285_low
Jeremy Kerr0ea12932010-07-06 18:30:06 +080036 mov \rp, #dc21285_low
37 .else
38 mov \rp, #0
Russell Kinga09e64f2008-08-05 16:14:15 +010039 .endif
Russell Kinge172ded2011-06-11 00:44:35 +010040 orr \rv, \rp, #dc21285_high
41 orr \rp, \rp, #0x42000000
Russell Kinga09e64f2008-08-05 16:14:15 +010042 .endm
43
44 .macro senduart,rd,rx
45 str \rd, [\rx, #0x160] @ UARTDR
46 .endm
47
48 .macro busyuart,rd,rx
491001: ldr \rd, [\rx, #0x178] @ UARTFLG
50 tst \rd, #1 << 3
51 bne 1001b
52 .endm
53
54 .macro waituart,rd,rx
55 .endm
56#endif