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name : bcm63xx.S

 /* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Broadcom BCM63xx low-level UART debug
 *
 * Copyright (C) 2014 Broadcom Corporation
 */

#include <linux/serial_bcm63xx.h>

	.macro	addruart, rp, rv, tmp
	ldr	\rp, =CONFIG_DEBUG_UART_PHYS
	ldr	\rv, =CONFIG_DEBUG_UART_VIRT
	.endm

	.macro	senduart, rd, rx
	/* word access do not work */
	strb	\rd, [\rx, #UART_FIFO_REG]
	.endm

	.macro	waituarttxrdy, rd, rx
1001:	ldr	\rd, [\rx, #UART_IR_REG]
	tst	\rd, #(1 << UART_IR_TXEMPTY)
	beq	1001b
	.endm

	.macro	waituartcts, rd, rx
	.endm

	.macro	busyuart, rd, rx
1002:	ldr	\rd, [\rx, #UART_IR_REG]
	tst	\rd, #(1 << UART_IR_TXTRESH)
	beq	1002b
	.endm

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