39 lines
801 B
ArmAsm
39 lines
801 B
ArmAsm
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/* SPDX-License-Identifier: GPL-2.0-only */
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/* arch/arm/mach-footbridge/include/mach/debug-macro.S
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*
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* Debugging macro include header
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*
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* Copyright (C) 1994-1999 Russell King
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* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
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*/
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#include <asm/hardware/dec21285.h>
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#include <mach/hardware.h>
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/* For EBSA285 debugging */
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.equ dc21285_high, ARMCSR_BASE & 0xff000000
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.equ dc21285_low, ARMCSR_BASE & 0x00ffffff
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.macro addruart, rp, rv, tmp
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.if dc21285_low
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mov \rp, #dc21285_low
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.else
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mov \rp, #0
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.endif
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orr \rv, \rp, #dc21285_high
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orr \rp, \rp, #0x42000000
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.endm
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.macro senduart,rd,rx
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str \rd, [\rx, #0x160] @ UARTDR
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.endm
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.macro busyuart,rd,rx
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1001: ldr \rd, [\rx, #0x178] @ UARTFLG
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tst \rd, #1 << 3
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bne 1001b
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.endm
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.macro waituart,rd,rx
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.endm
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