Edit File: mtd-nand-omap2.h
/* * arch/arm/plat-omap/include/mach/nand.h * * Copyright (C) 2006 Micron Technology Inc. * * 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. */ #ifndef _MTD_NAND_OMAP2_H #define _MTD_NAND_OMAP2_H #include <linux/mtd/partitions.h> #define GPMC_BCH_NUM_REMAINDER 8 enum nand_io { NAND_OMAP_PREFETCH_POLLED = 0, /* prefetch polled mode, default */ NAND_OMAP_POLLED, /* polled mode, without prefetch */ NAND_OMAP_PREFETCH_DMA, /* prefetch enabled sDMA mode */ NAND_OMAP_PREFETCH_IRQ /* prefetch enabled irq mode */ }; enum omap_ecc { /* 1-bit ecc: stored at end of spare area */ OMAP_ECC_HAMMING_CODE_DEFAULT = 0, /* Default, s/w method */ OMAP_ECC_HAMMING_CODE_HW, /* gpmc to detect the error */ /* 1-bit ecc: stored at beginning of spare area as romcode */ OMAP_ECC_HAMMING_CODE_HW_ROMCODE, /* gpmc method & romcode layout */ OMAP_ECC_BCH4_CODE_HW, /* 4-bit BCH ecc code */ OMAP_ECC_BCH8_CODE_HW, /* 8-bit BCH ecc code */ }; struct gpmc_nand_regs { void __iomem *gpmc_status; void __iomem *gpmc_nand_command; void __iomem *gpmc_nand_address; void __iomem *gpmc_nand_data; void __iomem *gpmc_prefetch_config1; void __iomem *gpmc_prefetch_config2; void __iomem *gpmc_prefetch_control; void __iomem *gpmc_prefetch_status; void __iomem *gpmc_ecc_config; void __iomem *gpmc_ecc_control; void __iomem *gpmc_ecc_size_config; void __iomem *gpmc_ecc1_result; void __iomem *gpmc_bch_result0[GPMC_BCH_NUM_REMAINDER]; void __iomem *gpmc_bch_result1[GPMC_BCH_NUM_REMAINDER]; void __iomem *gpmc_bch_result2[GPMC_BCH_NUM_REMAINDER]; void __iomem *gpmc_bch_result3[GPMC_BCH_NUM_REMAINDER]; }; struct omap_nand_platform_data { int cs; struct mtd_partition *parts; int nr_parts; bool dev_ready; enum nand_io xfer_type; int devsize; enum omap_ecc ecc_opt; struct gpmc_nand_regs reg; /* for passing the partitions */ struct device_node *of_node; }; #endif