Merge tag 'sound-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
[sfrench/cifs-2.6.git] / arch / arm / include / debug / bcm63xx.S
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Broadcom BCM63xx low-level UART debug
4  *
5  * Copyright (C) 2014 Broadcom Corporation
6  */
7
8 #include <linux/serial_bcm63xx.h>
9
10         .macro  addruart, rp, rv, tmp
11         ldr     \rp, =CONFIG_DEBUG_UART_PHYS
12         ldr     \rv, =CONFIG_DEBUG_UART_VIRT
13         .endm
14
15         .macro  senduart, rd, rx
16         /* word access do not work */
17         strb    \rd, [\rx, #UART_FIFO_REG]
18         .endm
19
20         .macro  waituart, rd, rx
21 1001:   ldr     \rd, [\rx, #UART_IR_REG]
22         tst     \rd, #(1 << UART_IR_TXEMPTY)
23         beq     1001b
24         .endm
25
26         .macro  busyuart, rd, rx
27 1002:   ldr     \rd, [\rx, #UART_IR_REG]
28         tst     \rd, #(1 << UART_IR_TXTRESH)
29         beq     1002b
30         .endm