name : mtd-nand-omap2.h /* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2006 Micron Technology Inc. */ #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 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: 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_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]; 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]; }; static const struct of_device_id omap_nand_ids[] = { { .compatible = "ti,omap2-nand", }, { .compatible = "ti,am64-nand", }, {}, }; #endif /* _MTD_NAND_OMAP2_H */