| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* Debugging macro include header |
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| 3 | * |
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| 4 | * Copyright (C) 1994-1999 Russell King |
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| 5 | * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks |
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| 6 | * Modified for ASM9260 by Oleksij Remepl <linux@rempel-privat.de> |
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| 7 | */ |
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| 8 | |
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| 9 | .macro addruart, rp, rv, tmp |
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| 10 | ldr \rp, = CONFIG_DEBUG_UART_PHYS |
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| 11 | ldr \rv, = CONFIG_DEBUG_UART_VIRT |
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| 12 | .endm |
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| 13 | |
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| 14 | .macro waituarttxrdy,rd,rx |
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| 15 | .endm |
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| 16 | |
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| 17 | .macro waituartcts,rd,rx |
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| 18 | .endm |
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| 19 | |
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| 20 | .macro senduart,rd,rx |
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| 21 | str \rd, [\rx, #0x50] @ TXDATA |
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| 22 | .endm |
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| 23 | |
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| 24 | .macro busyuart,rd,rx |
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| 25 | 1002: ldr \rd, [\rx, #0x60] @ STAT |
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| 26 | tst \rd, #1 << 27 @ TXEMPTY |
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| 27 | beq 1002b @ wait until transmit done |
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| 28 | .endm |
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| 29 | |
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