1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
| /*
| * Debugging macro include header for Conexant Digicolor USART
| *
| * Copyright (C) 2014 Paradox Innovation Ltd.
| *
| * This program is free software; you can redistribute it and/or modify
| * it under the terms of the GNU General Public License version 2 as
| * published by the Free Software Foundation.
| *
| */
|
| #define UA0_STATUS 0x0742
| #define UA0_EMI_REC 0x0744
|
| #define UA0_STATUS_TX_READY 0x40
|
| #ifdef CONFIG_DEBUG_UART_PHYS
| .macro addruart, rp, rv, tmp
| ldr \rp, =CONFIG_DEBUG_UART_PHYS
| ldr \rv, =CONFIG_DEBUG_UART_VIRT
| .endm
| #endif
|
| .macro senduart,rd,rx
| strb \rd, [\rx, #UA0_EMI_REC]
| .endm
|
| .macro waituart,rd,rx
| .endm
|
| .macro busyuart,rd,rx
| 1001: ldrb \rd, [\rx, #UA0_STATUS]
| tst \rd, #UA0_STATUS_TX_READY
| beq 1001b
| .endm
|
|
