linux/include/asm-arm/arch-ixp2000/debug-macro.S
Linus Torvalds 1da177e4c3 Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!
2005-04-16 15:20:36 -07:00

41 lines
860 B
ArmAsm

/* 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