1/*
2 * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 */
9
10#ifndef CONFIG_DEBUG_CLPS711X_UART2
11#define CLPS711X_UART_PADDR	(0x80000000 + 0x0000)
12#define CLPS711X_UART_VADDR	(0xfeff0000 + 0x0000)
13#else
14#define CLPS711X_UART_PADDR	(0x80000000 + 0x1000)
15#define CLPS711X_UART_VADDR	(0xfeff0000 + 0x1000)
16#endif
17
18#define SYSFLG		(0x0140)
19#define SYSFLG_UBUSY	(1 << 11)
20#define UARTDR		(0x0480)
21
22	.macro	addruart, rp, rv, tmp
23	ldr	\rv, =CLPS711X_UART_VADDR
24	ldr	\rp, =CLPS711X_UART_PADDR
25	.endm
26
27	.macro	waituart,rd,rx
28	.endm
29
30	.macro	senduart,rd,rx
31	str	\rd, [\rx, #UARTDR]
32	.endm
33
34	.macro	busyuart,rd,rx
351001:	ldr	\rd, [\rx, #SYSFLG]
36	tst	\rd, #SYSFLG_UBUSY
37	bne	1001b
38	.endm
39