57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/*
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* drivers/mtd/onenand/onenand_uboot.c
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*
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* Copyright (C) 2005-2008 Samsung Electronics
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* Kyungmin Park <kyungmin.park@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/*
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* OneNAND initialization at U-Boot
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*/
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#include <common.h>
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#include <linux/compat.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/onenand.h>
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struct mtd_info onenand_mtd;
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struct onenand_chip onenand_chip;
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static __attribute__((unused)) char dev_name[] = "onenand0";
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void onenand_init(void)
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{
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int err = 0;
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memset(&onenand_mtd, 0, sizeof(struct mtd_info));
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memset(&onenand_chip, 0, sizeof(struct onenand_chip));
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onenand_mtd.priv = &onenand_chip;
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#ifdef CONFIG_USE_ONENAND_BOARD_INIT
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/* It's used for some board init required */
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err = onenand_board_init(&onenand_mtd);
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#else
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onenand_chip.base = (void *) CONFIG_SYS_ONENAND_BASE;
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#endif
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if (!err && !(onenand_scan(&onenand_mtd, 1))) {
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if (onenand_chip.device_id & DEVICE_IS_FLEXONENAND)
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puts("Flex-");
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puts("OneNAND: ");
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#ifdef CONFIG_MTD_DEVICE
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/*
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* Add MTD device so that we can reference it later
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* via the mtdcore infrastructure (e.g. ubi).
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*/
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onenand_mtd.name = dev_name;
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add_mtd_device(&onenand_mtd);
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#endif
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}
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print_size(onenand_chip.chipsize, "\n");
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}
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