30 lines
753 B
ArmAsm
30 lines
753 B
ArmAsm
|
/* Debugging macro include header
|
||
|
|
*
|
||
|
|
* Copyright (C) 1994-1999 Russell King
|
||
|
|
* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
|
||
|
|
* Modified for ASM9260 by Oleksij Remepl <linux@rempel-privat.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, rp, rv, tmp
|
||
|
|
ldr \rp, = CONFIG_DEBUG_UART_PHYS
|
||
|
|
ldr \rv, = CONFIG_DEBUG_UART_VIRT
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro waituart,rd,rx
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro senduart,rd,rx
|
||
|
|
str \rd, [\rx, #0x50] @ TXDATA
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro busyuart,rd,rx
|
||
|
|
1002: ldr \rd, [\rx, #0x60] @ STAT
|
||
|
|
tst \rd, #1 << 27 @ TXEMPTY
|
||
|
|
beq 1002b @ wait until transmit done
|
||
|
|
.endm
|