?? nand.c
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/* * (C) Copyright 2005 * 2N Telekomunikace, a.s. <www.2n.cz> * Ladislav Michl <michl@2n.cz> * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */#include <common.h>#if defined(CONFIG_CMD_NAND) && !defined(CFG_NAND_LEGACY)#include <nand.h>#ifndef CFG_NAND_BASE_LIST#define CFG_NAND_BASE_LIST { CFG_NAND_BASE }#endifint nand_curr_device = -1;nand_info_t nand_info[CFG_MAX_NAND_DEVICE] = {{0}};static struct nand_chip nand_chip[CFG_MAX_NAND_DEVICE];static ulong base_address[CFG_MAX_NAND_DEVICE] = CFG_NAND_BASE_LIST;static const char default_nand_name[] = "nand";extern int board_nand_init(struct nand_chip *nand);static void nand_init_chip(struct mtd_info *mtd, struct nand_chip *nand, ulong base_addr){ mtd->priv = nand; nand->IO_ADDR_R = nand->IO_ADDR_W = (void __iomem *)base_addr; if (board_nand_init(nand) == 0) { if (nand_scan(mtd, 1) == 0) { if (!mtd->name) mtd->name = (char *)default_nand_name; } else mtd->name = NULL; } else { mtd->name = NULL; mtd->size = 0; }}void nand_init(void){ int i; unsigned int size = 0; for (i = 0; i < CFG_MAX_NAND_DEVICE; i++) { nand_init_chip(&nand_info[i], &nand_chip[i], base_address[i]); size += nand_info[i].size; if (nand_curr_device == -1) nand_curr_device = i; } print_size (size, "\n");#ifdef CFG_NAND_SELECT_DEVICE /* * Select the chip in the board/cpu specific driver */ board_nand_select_device(nand_info[nand_curr_device].priv, nand_curr_device);#endif}#endif
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