linux_dsm_epyc7002/arch/arm/include/asm/hardware/debug-pl01x.S
Russell King 4baa992243 [ARM] move include/asm-arm to arch/arm/include/asm
Move platform independent header files to arch/arm/include/asm, leaving
those in asm/arch* and asm/plat* alone.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-08-02 21:32:35 +01:00

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