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/* arch/arm/mach-footbridge/include/mach/debug-macro.S
*
* Debugging macro include header
*
* Copyright (C) 1994-1999 Russell King
* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#include <asm/hardware/dec21285.h>
#ifndef CONFIG_DEBUG_DC21285_PORT
/* For NetWinder debugging */
.macro addruart,rx
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
moveq \rx, #0x7c000000 @ physical
movne \rx, #0xff000000 @ virtual
orr \rx, \rx, #0x000003f8
.endm
#define UART_SHIFT 0
#define FLOW_CONTROL
#include <asm/hardware/debug-8250.S>
#else
/* For EBSA285 debugging */
.equ dc21285_high, ARMCSR_BASE & 0xff000000
.equ dc21285_low, ARMCSR_BASE & 0x00ffffff
.macro addruart,rx
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
moveq \rx, #0x42000000
movne \rx, #dc21285_high
.if dc21285_low
orrne \rx, \rx, #dc21285_low
.endif
.endm
.macro senduart,rd,rx
str \rd, [\rx, #0x160] @ UARTDR
.endm
.macro busyuart,rd,rx
1001: ldr \rd, [\rx, #0x178] @ UARTFLG
tst \rd, #1 << 3
bne 1001b
.endm
.macro waituart,rd,rx
.endm
#endif
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