alistair23-linux/arch/arm/mach-shark/include/mach/debug-macro.S
Rob Herring c04dc9a6bf ARM: shark: use fixed PCI i/o mapping
Convert shark to use the fixed i/o mapping and remove io.h.

This shrinks the mapping from 256MB to 1MB, but nothing is using that much
space AFAICT.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2012-07-26 09:09:58 -05:00

35 lines
715 B
ArmAsm

/* arch/arm/mach-shark/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.
*
*/
.macro addruart, rp, rv, tmp
mov \rp, #0x3f8
orr \rv, \rp, #0xfe000000
orr \rv, \rv, #0x00e00000
orr \rp, \rp, #0x40000000
.endm
.macro senduart,rd,rx
strb \rd, [\rx]
.endm
.macro waituart,rd,rx
.endm
.macro busyuart,rd,rx
mov \rd, #0
1001: add \rd, \rd, #1
teq \rd, #0x10000
bne 1001b
.endm