]>
git.ipfire.org Git - people/ms/u-boot.git/blob - drivers/mtd/nand/nand.c
3 * 2N Telekomunikace, a.s. <www.2n.cz>
4 * Ladislav Michl <michl@2n.cz>
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * version 2 as published by the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #ifndef CFG_NAND_BASE_LIST
28 #define CFG_NAND_BASE_LIST { CFG_NAND_BASE }
31 int nand_curr_device
= -1;
32 nand_info_t nand_info
[CFG_MAX_NAND_DEVICE
];
34 static struct nand_chip nand_chip
[CFG_MAX_NAND_DEVICE
];
35 static ulong base_address
[CFG_MAX_NAND_DEVICE
] = CFG_NAND_BASE_LIST
;
37 static const char default_nand_name
[] = "nand";
39 extern int board_nand_init(struct nand_chip
*nand
);
41 static void nand_init_chip(struct mtd_info
*mtd
, struct nand_chip
*nand
,
46 nand
->IO_ADDR_R
= nand
->IO_ADDR_W
= (void __iomem
*)base_addr
;
47 if (board_nand_init(nand
) == 0) {
48 if (nand_scan(mtd
, 1) == 0) {
50 mtd
->name
= (char *)default_nand_name
;
63 unsigned int size
= 0;
64 for (i
= 0; i
< CFG_MAX_NAND_DEVICE
; i
++) {
65 nand_init_chip(&nand_info
[i
], &nand_chip
[i
], base_address
[i
]);
66 size
+= nand_info
[i
].size
;
67 if (nand_curr_device
== -1)
70 printf("%u MiB\n", size
/ (1024 * 1024));
72 #ifdef CFG_NAND_SELECT_DEVICE
74 * Select the chip in the board/cpu specific driver
76 board_nand_select_device(nand_info
[nand_curr_device
].priv
, nand_curr_device
);