26 строки
604 B
ArmAsm
26 строки
604 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
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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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* Modified for ASM9260 by Oleksij Remepl <linux@rempel-privat.de>
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*/
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.macro addruart, rp, rv, tmp
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ldr \rp, = CONFIG_DEBUG_UART_PHYS
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ldr \rv, = CONFIG_DEBUG_UART_VIRT
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.endm
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.macro waituart,rd,rx
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.endm
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.macro senduart,rd,rx
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str \rd, [\rx, #0x50] @ TXDATA
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.endm
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.macro busyuart,rd,rx
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1002: ldr \rd, [\rx, #0x60] @ STAT
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tst \rd, #1 << 27 @ TXEMPTY
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beq 1002b @ wait until transmit done
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.endm
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