1 /*
2  *  drivers/mtd/onenand/onenand_uboot.c
3  *
4  *  Copyright (C) 2005-2008 Samsung Electronics
5  *  Kyungmin Park <kyungmin.park@samsung.com>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 
12 /*
13  * OneNAND initialization at U-Boot
14  */
15 
16 #include <common.h>
17 #include <linux/mtd/compat.h>
18 #include <linux/mtd/mtd.h>
19 #include <linux/mtd/onenand.h>
20 
21 struct mtd_info onenand_mtd;
22 struct onenand_chip onenand_chip;
23 
24 void onenand_init(void)
25 {
26 	memset(&onenand_mtd, 0, sizeof(struct mtd_info));
27 	memset(&onenand_chip, 0, sizeof(struct onenand_chip));
28 
29 	onenand_mtd.priv = &onenand_chip;
30 
31 #ifdef CONFIG_USE_ONENAND_BOARD_INIT
32 	/*
33 	 * It's used for some board init required
34 	 */
35 	onenand_board_init(&onenand_mtd);
36 #else
37 	onenand_chip.base = (void *) CONFIG_SYS_ONENAND_BASE;
38 #endif
39 
40 	onenand_scan(&onenand_mtd, 1);
41 
42 	puts("OneNAND: ");
43 	print_size(onenand_mtd.size, "\n");
44 }
45