diff options
Diffstat (limited to 'roms/u-boot-sam460ex/drivers/mtd/onenand/onenand_uboot.c')
| -rw-r--r-- | roms/u-boot-sam460ex/drivers/mtd/onenand/onenand_uboot.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/roms/u-boot-sam460ex/drivers/mtd/onenand/onenand_uboot.c b/roms/u-boot-sam460ex/drivers/mtd/onenand/onenand_uboot.c new file mode 100644 index 000000000..c642016c2 --- /dev/null +++ b/roms/u-boot-sam460ex/drivers/mtd/onenand/onenand_uboot.c @@ -0,0 +1,56 @@ +/* + * drivers/mtd/onenand/onenand_uboot.c + * + * Copyright (C) 2005-2008 Samsung Electronics + * Kyungmin Park <kyungmin.park@samsung.com> + * + * 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. + */ + +/* + * OneNAND initialization at U-Boot + */ + +#include <common.h> +#include <linux/mtd/compat.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/onenand.h> + +struct mtd_info onenand_mtd; +struct onenand_chip onenand_chip; +static __attribute__((unused)) char dev_name[] = "onenand0"; + +void onenand_init(void) +{ + memset(&onenand_mtd, 0, sizeof(struct mtd_info)); + memset(&onenand_chip, 0, sizeof(struct onenand_chip)); + + onenand_mtd.priv = &onenand_chip; + +#ifdef CONFIG_USE_ONENAND_BOARD_INIT + /* + * It's used for some board init required + */ + onenand_board_init(&onenand_mtd); +#else + onenand_chip.base = (void *) CONFIG_SYS_ONENAND_BASE; +#endif + + onenand_scan(&onenand_mtd, 1); + + if (onenand_chip.device_id & DEVICE_IS_FLEXONENAND) + puts("Flex-"); + puts("OneNAND: "); + print_size(onenand_chip.chipsize, "\n"); + +#ifdef CONFIG_MTD_DEVICE + /* + * Add MTD device so that we can reference it later + * via the mtdcore infrastructure (e.g. ubi). + */ + onenand_mtd.name = dev_name; + add_mtd_device(&onenand_mtd); +#endif +} |