1/*
 2 * Joshua Henderson <joshua.henderson@microchip.com>
 3 * Copyright (C) 2015 Microchip Technology Inc.  All rights reserved.
 4 *
 5 * This program is free software; you can distribute it and/or modify it
 6 * under the terms of the GNU General Public License (Version 2) as
 7 * published by the Free Software Foundation.
 8 *
 9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * for more details.
13 */
14#ifndef _ASM_MACH_PIC32_H
15#define _ASM_MACH_PIC32_H
16
17#include <linux/io.h>
18
19/*
20 * PIC32 register offsets for SET/CLR/INV where supported.
21 */
22#define PIC32_CLR(_reg)		((_reg) + 0x04)
23#define PIC32_SET(_reg)		((_reg) + 0x08)
24#define PIC32_INV(_reg)		((_reg) + 0x0C)
25
26/*
27 * PIC32 Base Register Offsets
28 */
29#define PIC32_BASE_CONFIG	0x1f800000
30#define PIC32_BASE_OSC		0x1f801200
31#define PIC32_BASE_RESET	0x1f801240
32#define PIC32_BASE_PPS		0x1f801400
33#define PIC32_BASE_UART		0x1f822000
34#define PIC32_BASE_PORT		0x1f860000
35#define PIC32_BASE_DEVCFG2	0x1fc4ff44
36
37/*
38 * Register unlock sequence required for some register access.
39 */
40void pic32_syskey_unlock_debug(const char *fn, const ulong ln);
41#define pic32_syskey_unlock()	\
42	pic32_syskey_unlock_debug(__func__, __LINE__)
43
44#endif /* _ASM_MACH_PIC32_H */