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41 lines
842 B
41 lines
842 B
/* 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 waituartcts,rd,rx |
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.endm |
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.macro waituarttxrdy,rd,rx |
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.endm
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