| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* arch/arm/mach-footbridge/include/mach/debug-macro.S |
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| 3 | * |
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| 4 | * Debugging macro include header |
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| 5 | * |
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| 6 | * Copyright (C) 1994-1999 Russell King |
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| 7 | * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks |
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| 8 | */ |
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| 9 | |
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| 10 | #include <asm/hardware/dec21285.h> |
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| 11 | |
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| 12 | #include <mach/hardware.h> |
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| 13 | /* For EBSA285 debugging */ |
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| 14 | .equ dc21285_high, ARMCSR_BASE & 0xff000000 |
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| 15 | .equ dc21285_low, ARMCSR_BASE & 0x00ffffff |
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| 16 | |
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| 17 | .macro addruart, rp, rv, tmp |
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| 18 | .if dc21285_low |
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| 19 | mov \rp, #dc21285_low |
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| 20 | .else |
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| 21 | mov \rp, #0 |
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| 22 | .endif |
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| 23 | orr \rv, \rp, #dc21285_high |
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| 24 | orr \rp, \rp, #0x42000000 |
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| 25 | .endm |
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| 26 | |
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| 27 | .macro senduart,rd,rx |
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| 28 | str \rd, [\rx, #0x160] @ UARTDR |
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| 29 | .endm |
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| 30 | |
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| 31 | .macro busyuart,rd,rx |
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| 32 | 1001: ldr \rd, [\rx, #0x178] @ UARTFLG |
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| 33 | tst \rd, #1 << 3 |
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| 34 | bne 1001b |
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| 35 | .endm |
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| 36 | |
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| 37 | .macro waituartcts,rd,rx |
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| 38 | .endm |
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| 39 | |
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| 40 | .macro waituarttxrdy,rd,rx |
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| 41 | .endm |
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| 42 | |
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