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/* 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 waituart,rd,rx .endm