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1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * [origin: Linux kernel include/asm-arm/arch-at91/at91_rstc.h]
4  *
5  * Copyright (C) 2007 Andrew Victor
6  * Copyright (C) 2007 Atmel Corporation.
7  *
8  * Reset Controller (RSTC) - System peripherals regsters.
9  * Based on AT91SAM9261 datasheet revision D.
10  */
11 
12 #ifndef AT91_RSTC_H
13 #define AT91_RSTC_H
14 
15 /* Reset Controller Status Register */
16 #define AT91_ASM_RSTC_SR	(ATMEL_BASE_RSTC + 0x04)
17 #define AT91_ASM_RSTC_MR	(ATMEL_BASE_RSTC + 0x08)
18 
19 #ifndef __ASSEMBLY__
20 
21 typedef struct at91_rstc {
22 	u32	cr;	/* Reset Controller Control Register */
23 	u32	sr;	/* Reset Controller Status Register */
24 	u32	mr;	/* Reset Controller Mode Register */
25 } at91_rstc_t;
26 
27 #endif /* __ASSEMBLY__ */
28 
29 #define AT91_RSTC_KEY		0xA5000000
30 
31 #define AT91_RSTC_CR_PROCRST	0x00000001
32 #define AT91_RSTC_CR_PERRST	0x00000004
33 #define AT91_RSTC_CR_EXTRST	0x00000008
34 
35 #define AT91_RSTC_MR_URSTEN	0x00000001
36 #define AT91_RSTC_MR_URSTIEN	0x00000010
37 #define AT91_RSTC_MR_ERSTL(x)	((x & 0xf) << 8)
38 #define AT91_RSTC_MR_ERSTL_MASK	0x0000FF00
39 
40 #define AT91_RSTC_SR_NRSTL	0x00010000
41 
42 #define AT91_RSTC_RSTTYP		(7 << 8)	/* Reset Type */
43 #define AT91_RSTC_RSTTYP_GENERAL	(0 << 8)
44 #define AT91_RSTC_RSTTYP_WAKEUP	(1 << 8)
45 #define AT91_RSTC_RSTTYP_WATCHDOG	(2 << 8)
46 #define AT91_RSTC_RSTTYP_SOFTWARE	(3 << 8)
47 #define AT91_RSTC_RSTTYP_USER		(4 << 8)
48 
49 #endif
50