2010-07-06 10:30:06 +00:00
|
|
|
/* arch/arm/mach-l7200/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.
|
|
|
|
|
*
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
.equ io_virt, IO_BASE
|
|
|
|
|
.equ io_phys, IO_START
|
|
|
|
|
|
2011-09-01 02:55:46 +00:00
|
|
|
.macro addruart, rp, rv, tmp
|
2010-07-06 10:30:06 +00:00
|
|
|
mov \rp, #0x00044000 @ UART1
|
|
|
|
|
@ mov \rp, #0x00045000 @ UART2
|
|
|
|
|
add \rv, \rp, #io_virt @ virtual address
|
|
|
|
|
add \rp, \rp, #io_phys @ physical base address
|
|
|
|
|
.endm
|
|
|
|
|
|
|
|
|
|
.macro senduart,rd,rx
|
|
|
|
|
str \rd, [\rx, #0x0] @ UARTDR
|
|
|
|
|
.endm
|
|
|
|
|
|
|
|
|
|
.macro waituart,rd,rx
|
|
|
|
|
1001: ldr \rd, [\rx, #0x18] @ UARTFLG
|
|
|
|
|
tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full
|
|
|
|
|
bne 1001b
|
|
|
|
|
.endm
|
|
|
|
|
|
|
|
|
|
.macro busyuart,rd,rx
|
|
|
|
|
1001: ldr \rd, [\rx, #0x18] @ UARTFLG
|
|
|
|
|
tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy
|
|
|
|
|
bne 1001b
|
|
|
|
|
.endm
|
