1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2011 DENX Software Engineering GmbH
4  * Heiko Schocher <hs@denx.de>
5  */
6 #ifndef _TIMER_DEFS_H_
7 #define _TIMER_DEFS_H_
8 
9 struct davinci_timer {
10 	u_int32_t	pid12;
11 	u_int32_t	emumgt;
12 	u_int32_t	na1;
13 	u_int32_t	na2;
14 	u_int32_t	tim12;
15 	u_int32_t	tim34;
16 	u_int32_t	prd12;
17 	u_int32_t	prd34;
18 	u_int32_t	tcr;
19 	u_int32_t	tgcr;
20 	u_int32_t	wdtcr;
21 };
22 
23 #define DV_TIMER_TCR_ENAMODE_MASK		3
24 
25 #define DV_TIMER_TCR_ENAMODE12_SHIFT		6
26 #define DV_TIMER_TCR_CLKSRC12_SHIFT		8
27 #define DV_TIMER_TCR_READRSTMODE12_SHIFT	10
28 #define DV_TIMER_TCR_CAPMODE12_SHIFT		11
29 #define DV_TIMER_TCR_CAPVTMODE12_SHIFT		12
30 #define DV_TIMER_TCR_ENAMODE34_SHIFT		22
31 #define DV_TIMER_TCR_CLKSRC34_SHIFT		24
32 #define DV_TIMER_TCR_READRSTMODE34_SHIFT	26
33 #define DV_TIMER_TCR_CAPMODE34_SHIFT		27
34 #define DV_TIMER_TCR_CAPEVTMODE12_SHIFT		28
35 
36 #define DV_WDT_ENABLE_SYS_RESET		0x00020000
37 #define DV_WDT_TRIGGER_SYS_RESET	0x00020002
38 
39 #ifdef CONFIG_HW_WATCHDOG
40 void davinci_hw_watchdog_enable(void);
41 void davinci_hw_watchdog_reset(void);
42 #endif
43 #endif /* _TIMER_DEFS_H_ */
44