blob: 1d11c51f498f631c2959c1302934c4b1cbb1732b [file] [log] [blame]
/* linux/include/asm-arm/arch-epxa10db/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/arch/excalibur.h>
#define UART00_TYPE
#include <asm/arch/uart00.h>
.macro addruart,rx
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
ldr \rx, =EXC_UART00_BASE @ physical base address
orrne \rx, \rx, #0xff000000 @ virtual base
orrne \rx, \rx, #0x00f00000
.macro senduart,rd,rx
str \rd, [\rx, #UART_TD(0)]
.macro waituart,rd,rx
1001: ldr \rd, [\rx, #UART_TSR(0)]
and \rd, \rd, #UART_TSR_TX_LEVEL_MSK
cmp \rd, #15
beq 1001b
.macro busyuart,rd,rx
1001: ldr \rd, [\rx, #UART_TSR(0)]
ands \rd, \rd, #UART_TSR_TX_LEVEL_MSK
bne 1001b