WSL2-Linux-Kernel/arch/arm/include/debug/dc21285.S

42 строки
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