1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (C) 2003-2005 SAN People
4 *
5 * Debugging macro include header
6 */
7
8 #define AT91_DBGU_SR (0x14) /* Sta
9 #define AT91_DBGU_THR (0x1c) /* Tra
10 #define AT91_DBGU_TXRDY (1 << 1)
11 #define AT91_DBGU_TXEMPTY (1 << 9)
12
13 .macro addruart, rp, rv, tmp
14 ldr \rp, =CONFIG_DEBUG_UART_PHYS
15 ldr \rv, =CONFIG_DEBUG_UART_VIRT
16 .endm
17
18 .macro senduart,rd,rx
19 strb \rd, [\rx, #(AT91_DBGU_THR)]
20 .endm
21
22 .macro waituarttxrdy,rd,rx
23 1001: ldr \rd, [\rx, #(AT91_DBGU_SR)]
24 tst \rd, #AT91_DBGU_TXRDY
25 beq 1001b
26 .endm
27
28 .macro waituartcts,rd,rx
29 .endm
30
31 .macro busyuart,rd,rx
32 1001: ldr \rd, [\rx, #(AT91_DBGU_SR)]
33 tst \rd, #AT91_DBGU_TXEMPTY
34 beq 1001b
35 .endm
36
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