diff options
Diffstat (limited to 'include/linux/platform_data/mtd-nand-omap2.h')
| -rw-r--r-- | include/linux/platform_data/mtd-nand-omap2.h | 59 |
1 files changed, 32 insertions, 27 deletions
diff --git a/include/linux/platform_data/mtd-nand-omap2.h b/include/linux/platform_data/mtd-nand-omap2.h index 6bf9ef43ddb1..8c2f1f185353 100644 --- a/include/linux/platform_data/mtd-nand-omap2.h +++ b/include/linux/platform_data/mtd-nand-omap2.h @@ -1,17 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* - * 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> +#include <linux/mod_devicetable.h> #define GPMC_BCH_NUM_REMAINDER 8 @@ -23,17 +19,30 @@ enum nand_io { }; 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 */ + /* + * 1-bit ECC: calculation and correction by SW + * ECC stored at end of spare area + */ + OMAP_ECC_HAM1_CODE_SW = 0, + + /* + * 1-bit ECC: calculation by GPMC, Error detection by Software + * ECC layout compatible with ROM code layout + */ + OMAP_ECC_HAM1_CODE_HW, + /* 4-bit ECC calculation by GPMC, Error detection by Software */ + OMAP_ECC_BCH4_CODE_HW_DETECTION_SW, + /* 4-bit ECC calculation by GPMC, Error detection by ELM */ + OMAP_ECC_BCH4_CODE_HW, + /* 8-bit ECC calculation by GPMC, Error detection by Software */ + OMAP_ECC_BCH8_CODE_HW_DETECTION_SW, + /* 8-bit ECC calculation by GPMC, Error detection by ELM */ + OMAP_ECC_BCH8_CODE_HW, + /* 16-bit ECC calculation by GPMC, Error detection by ELM */ + OMAP_ECC_BCH16_CODE_HW, }; struct gpmc_nand_regs { - void __iomem *gpmc_status; void __iomem *gpmc_nand_command; void __iomem *gpmc_nand_address; void __iomem *gpmc_nand_data; @@ -49,19 +58,15 @@ struct gpmc_nand_regs { 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]; + void __iomem *gpmc_bch_result4[GPMC_BCH_NUM_REMAINDER]; + void __iomem *gpmc_bch_result5[GPMC_BCH_NUM_REMAINDER]; + void __iomem *gpmc_bch_result6[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; +static const struct of_device_id omap_nand_ids[] = { + { .compatible = "ti,omap2-nand", }, + { .compatible = "ti,am64-nand", }, + {}, }; -#endif + +#endif /* _MTD_NAND_OMAP2_H */ |