42 lines
842 B
ArmAsm
42 lines
842 B
ArmAsm
|
/* SPDX-License-Identifier: GPL-2.0-only */
|
||
|
|
/* arch/arm/mach-footbridge/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
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <asm/hardware/dec21285.h>
|
||
|
|
|
||
|
|
#include <mach/hardware.h>
|
||
|
|
/* For EBSA285 debugging */
|
||
|
|
.equ dc21285_high, ARMCSR_BASE & 0xff000000
|
||
|
|
.equ dc21285_low, ARMCSR_BASE & 0x00ffffff
|
||
|
|
|
||
|
|
.macro addruart, rp, rv, tmp
|
||
|
|
.if dc21285_low
|
||
|
|
mov \rp, #dc21285_low
|
||
|
|
.else
|
||
|
|
mov \rp, #0
|
||
|
|
.endif
|
||
|
|
orr \rv, \rp, #dc21285_high
|
||
|
|
orr \rp, \rp, #0x42000000
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro senduart,rd,rx
|
||
|
|
str \rd, [\rx, #0x160] @ UARTDR
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro busyuart,rd,rx
|
||
|
|
1001: ldr \rd, [\rx, #0x178] @ UARTFLG
|
||
|
|
tst \rd, #1 << 3
|
||
|
|
bne 1001b
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro waituartcts,rd,rx
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro waituarttxrdy,rd,rx
|
||
|
|
.endm
|