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
21typedef 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