mirror of https://gitee.com/openkylin/linux.git
30 lines
693 B
ArmAsm
30 lines
693 B
ArmAsm
/* arch/arm/include/asm/hardware/debug-pl01x.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.
|
|
*
|
|
*/
|
|
#include <linux/amba/serial.h>
|
|
|
|
.macro senduart,rd,rx
|
|
strb \rd, [\rx, #UART01x_DR]
|
|
.endm
|
|
|
|
.macro waituart,rd,rx
|
|
1001: ldr \rd, [\rx, #UART01x_FR]
|
|
tst \rd, #UART01x_FR_TXFF
|
|
bne 1001b
|
|
.endm
|
|
|
|
.macro busyuart,rd,rx
|
|
1001: ldr \rd, [\rx, #UART01x_FR]
|
|
tst \rd, #UART01x_FR_BUSY
|
|
bne 1001b
|
|
.endm
|