1/*-
2 * Copyright (C) 2014 Warner Losh.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29/*
30 * Atmel at91-family integrated NAND controller driver.
31 *
32 * Interface to board setup code to set parameters.
33 */
34
35#ifndef	DEV_NAND_NFC_AT91_H
36#define	DEV_NAND_NFC_AT91_H 1
37
38struct at91_nand_params
39{
40	uint32_t	ale;		/* Address for ALE (address) NAND cycles */
41	uint32_t	cle;		/* Address for CLE (command) NAND cycles */
42	uint32_t	width;		/* 8 or 16 bits (specify in bits) */
43	uint32_t	cs;		/* Chip Select NAND is connected to */
44	uint32_t	rnb_pin;	/* GPIO pin # for Read/notBusy */
45	uint32_t	nce_pin;	/* GPIO pin # for CE (active low) */
46};
47
48void at91_enable_nand(const struct at91_nand_params *);
49
50#endif /* DEV_NAND_NFC_AT91_H */
51