1 /* SPDX-License-Identifier: GPL-2.0-or-later *
2 /*
3 * Copyright (C) 2014 Alexander Shiyan <shc_wor
4 */
5
6 #ifndef CONFIG_DEBUG_CLPS711X_UART2
7 #define CLPS711X_UART_PADDR (0x80000000 +
8 #define CLPS711X_UART_VADDR (0xfeff4000 +
9 #else
10 #define CLPS711X_UART_PADDR (0x80000000 +
11 #define CLPS711X_UART_VADDR (0xfeff4000 +
12 #endif
13
14 #define SYSFLG (0x0140)
15 #define SYSFLG_UBUSY (1 << 11)
16 #define UARTDR (0x0480)
17
18 .macro addruart, rp, rv, tmp
19 ldr \rv, =CLPS711X_UART_VADDR
20 ldr \rp, =CLPS711X_UART_PADDR
21 .endm
22
23 .macro waituartcts,rd,rx
24 .endm
25
26 .macro waituarttxrdy,rd,rx
27 .endm
28
29 .macro senduart,rd,rx
30 str \rd, [\rx, #UARTDR]
31 .endm
32
33 .macro busyuart,rd,rx
34 1001: ldr \rd, [\rx, #SYSFLG]
35 tst \rd, #SYSFLG_UBUSY
36 bne 1001b
37 .endm
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