Update CHANGELOG, prepare -rc2
[platform/kernel/u-boot.git] / drivers / mtd / onenand / onenand_uboot.c
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 static __attribute__((unused)) char dev_name[] = "onenand0";
24
25 void onenand_init(void)
26 {
27         memset(&onenand_mtd, 0, sizeof(struct mtd_info));
28         memset(&onenand_chip, 0, sizeof(struct onenand_chip));
29
30         onenand_mtd.priv = &onenand_chip;
31
32 #ifdef CONFIG_USE_ONENAND_BOARD_INIT
33         /*
34          * It's used for some board init required
35          */
36         onenand_board_init(&onenand_mtd);
37 #else
38         onenand_chip.base = (void *) CONFIG_SYS_ONENAND_BASE;
39 #endif
40
41         onenand_scan(&onenand_mtd, 1);
42
43         puts("OneNAND: ");
44         print_size(onenand_mtd.size, "\n");
45
46 #ifdef CONFIG_MTD_DEVICE
47         /*
48          * Add MTD device so that we can reference it later
49          * via the mtdcore infrastructure (e.g. ubi).
50          */
51         onenand_mtd.name = dev_name;
52         add_mtd_device(&onenand_mtd);
53 #endif
54 }