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,
25 #if defined(CONFIG_CMD_NAND)
30 * hardware specific access to control-lines
35 static void netstar_nand_hwcontrol(struct mtd_info *mtd, int cmd)
37 struct nand_chip *this = mtd->priv;
38 ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
40 IO_ADDR_W &= ~(MASK_ALE|MASK_CLE);
42 case NAND_CTL_SETCLE: IO_ADDR_W |= MASK_CLE; break;
43 case NAND_CTL_SETALE: IO_ADDR_W |= MASK_ALE; break;
45 this->IO_ADDR_W = (void *) IO_ADDR_W;
52 static int netstar_nand_ready(struct mtd_info *mtd)
54 return (*(volatile ushort *)GPIO_DATA_INPUT_REG) & 0x02;
58 int board_nand_init(struct nand_chip *nand)
60 nand->options = NAND_SAMSUNG_LP_OPTIONS;
61 nand->eccmode = NAND_ECC_SOFT;
62 nand->hwcontrol = netstar_nand_hwcontrol;
63 /* nand->dev_ready = netstar_nand_ready; */
64 nand->chip_delay = 18;