/* 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