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linux/arch/arm/plat-tcc/include/mach/debug-macro.S
Hans J. Koch 83ef3338a2 ARM: Introduce plat-tcc
This patch introduces support for the tcc platform by creating an
arch/arm/plat-tcc and arch/arm/mach-tcc8k directories and adding
basic include files plus Kconfig and Makefile.

Signed-off-by: "Hans J. Koch" <hjk@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2010-09-17 21:55:07 +02:00

34 lines
732 B
ArmAsm

/*
* Copyright (C) 1994-1999 Russell King
* Copyright (C) 2008-2009 Telechips
* Copyright (C) 2009 Hans J. Koch <hjk@linutronix.de>
*
* 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.
*
*/
.macro addruart,rx,tmp
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
moveq \rx, #0x90000000 @ physical base address
movne \rx, #0xF1000000 @ virtual base
orr \rx, \rx, #0x00007000 @ UART0
.endm
.macro senduart,rd,rx
strb \rd, [\rx, #0x44]
.endm
.macro waituart,rd,rx
.endm
.macro busyuart,rd,rx
1001:
ldr \rd, [\rx, #0x14]
tst \rd, #0x20
beq 1001b
.endm