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 38 struct 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 48 void at91_enable_nand(const struct at91_nand_params *); 49 50 #endif /* DEV_NAND_NFC_AT91_H */ 51