You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
860 B
40 lines
860 B
/* linux/include/asm-arm/arch-ixp2000/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.
|
|
*
|
|
*/
|
|
|
|
.macro addruart,rx
|
|
mrc p15, 0, \rx, c1, c0
|
|
tst \rx, #1 @ MMU enabled?
|
|
moveq \rx, #0xc0000000 @ Physical base
|
|
movne \rx, #0xfe000000 @ virtual base
|
|
orrne \rx, \rx, #0x00f00000
|
|
orr \rx, \rx, #0x00030000
|
|
#ifdef __ARMEB__
|
|
orr \rx, \rx, #0x00000003
|
|
#endif
|
|
.endm
|
|
|
|
.macro senduart,rd,rx
|
|
strb \rd, [\rx]
|
|
.endm
|
|
|
|
.macro busyuart,rd,rx
|
|
1002: ldrb \rd, [\rx, #0x14]
|
|
tst \rd, #0x20
|
|
beq 1002b
|
|
.endm
|
|
|
|
.macro waituart,rd,rx
|
|
nop
|
|
nop
|
|
nop
|
|
.endm
|
|
|