2 * (C) Copyright 2005 2N TELEKOMUNIKACE, Ladislav Michl
4 * See file CREDITS for list of people who contributed to this
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 #if defined(CONFIG_CMD_NAND)
31 * hardware specific access to control-lines
36 static void netstar_nand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
38 struct nand_chip *this = mtd->priv;
39 ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
41 IO_ADDR_W &= ~(MASK_ALE|MASK_CLE);
42 if (ctrl & NAND_CTRL_CHANGE) {
43 if ( ctrl & NAND_CLE )
44 IO_ADDR_W |= MASK_CLE;
45 if ( ctrl & NAND_ALE )
46 IO_ADDR_W |= MASK_ALE;
48 this->IO_ADDR_W = (void __iomem *) IO_ADDR_W;
50 if (cmd != NAND_CMD_NONE)
51 writeb(cmd, this->IO_ADDR_W);
54 int board_nand_init(struct nand_chip *nand)
56 nand->options = NAND_SAMSUNG_LP_OPTIONS;
57 nand->ecc.mode = NAND_ECC_SOFT;
58 nand->cmd_ctrl = netstar_nand_hwcontrol;
59 nand->chip_delay = 400;