/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright © 2000-2010 David Woodhouse <[email protected]> * Steven J. Hill <[email protected]> * Thomas Gleixner <[email protected]> * * Contains all ONFI related definitions */ #ifndef __LINUX_MTD_ONFI_H #define __LINUX_MTD_ONFI_H #include <linux/types.h> #include <linux/bitfield.h> /* ONFI version bits */ #define ONFI_VERSION_1_0 … #define ONFI_VERSION_2_0 … #define ONFI_VERSION_2_1 … #define ONFI_VERSION_2_2 … #define ONFI_VERSION_2_3 … #define ONFI_VERSION_3_0 … #define ONFI_VERSION_3_1 … #define ONFI_VERSION_3_2 … #define ONFI_VERSION_4_0 … /* ONFI features */ #define ONFI_FEATURE_16_BIT_BUS … #define ONFI_FEATURE_NV_DDR … #define ONFI_FEATURE_EXT_PARAM_PAGE … /* ONFI timing mode, used in both asynchronous and synchronous mode */ #define ONFI_DATA_INTERFACE_SDR … #define ONFI_DATA_INTERFACE_NVDDR … #define ONFI_DATA_INTERFACE_NVDDR2 … #define ONFI_TIMING_MODE_0 … #define ONFI_TIMING_MODE_1 … #define ONFI_TIMING_MODE_2 … #define ONFI_TIMING_MODE_3 … #define ONFI_TIMING_MODE_4 … #define ONFI_TIMING_MODE_5 … #define ONFI_TIMING_MODE_UNKNOWN … #define ONFI_TIMING_MODE_PARAM(x) … /* ONFI feature number/address */ #define ONFI_FEATURE_NUMBER … #define ONFI_FEATURE_ADDR_TIMING_MODE … /* Vendor-specific feature address (Micron) */ #define ONFI_FEATURE_ADDR_READ_RETRY … #define ONFI_FEATURE_ON_DIE_ECC … #define ONFI_FEATURE_ON_DIE_ECC_EN … /* ONFI subfeature parameters length */ #define ONFI_SUBFEATURE_PARAM_LEN … /* ONFI optional commands SET/GET FEATURES supported? */ #define ONFI_OPT_CMD_READ_CACHE … #define ONFI_OPT_CMD_SET_GET_FEATURES … struct nand_onfi_params { … } __packed; #define ONFI_CRC_BASE … /* Extended ECC information Block Definition (since ONFI 2.1) */ struct onfi_ext_ecc_info { … } __packed; #define ONFI_SECTION_TYPE_0 … #define ONFI_SECTION_TYPE_1 … #define ONFI_SECTION_TYPE_2 … struct onfi_ext_section { … } __packed; #define ONFI_EXT_SECTION_MAX … /* Extended Parameter Page Definition (since ONFI 2.1) */ struct onfi_ext_param_page { … } __packed; /** * struct onfi_params - ONFI specific parameters that will be reused * @version: ONFI version (BCD encoded), 0 if ONFI is not supported * @tPROG: Page program time * @tBERS: Block erase time * @tR: Page read time * @tCCS: Change column setup time * @fast_tCAD: Command/Address/Data slow or fast delay (NV-DDR only) * @sdr_timing_modes: Supported asynchronous/SDR timing modes * @nvddr_timing_modes: Supported source synchronous/NV-DDR timing modes * @vendor_revision: Vendor specific revision number * @vendor: Vendor specific data */ struct onfi_params { … }; #endif /* __LINUX_MTD_ONFI_H */
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