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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191/* SPDX-License-Identifier: GPL-2.0 *//* * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org> * Steven J. Hill <sjhill@realitydiluted.com> * Thomas Gleixner <tglx@kernel.org> * * 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 BIT(1)#define ONFI_VERSION_2_0 BIT(2)#define ONFI_VERSION_2_1 BIT(3)#define ONFI_VERSION_2_2 BIT(4)#define ONFI_VERSION_2_3 BIT(5)#define ONFI_VERSION_3_0 BIT(6)#define ONFI_VERSION_3_1 BIT(7)#define ONFI_VERSION_3_2 BIT(8)#define ONFI_VERSION_4_0 BIT(9)
/* ONFI features */#define ONFI_FEATURE_16_BIT_BUS BIT(0)#define ONFI_FEATURE_NV_DDR BIT(5)#define ONFI_FEATURE_EXT_PARAM_PAGE BIT(7)
/* ONFI timing mode, used in both asynchronous and synchronous mode */#define ONFI_DATA_INTERFACE_SDR 0#define ONFI_DATA_INTERFACE_NVDDR BIT(4)#define ONFI_DATA_INTERFACE_NVDDR2 BIT(5)#define ONFI_TIMING_MODE_0 BIT(0)#define ONFI_TIMING_MODE_1 BIT(1)#define ONFI_TIMING_MODE_2 BIT(2)#define ONFI_TIMING_MODE_3 BIT(3)#define ONFI_TIMING_MODE_4 BIT(4)#define ONFI_TIMING_MODE_5 BIT(5)#define ONFI_TIMING_MODE_UNKNOWN BIT(6)#define ONFI_TIMING_MODE_PARAM(x) FIELD_GET(GENMASK(3, 0), (x))
/* ONFI feature number/address */#define ONFI_FEATURE_NUMBER 256#define ONFI_FEATURE_ADDR_TIMING_MODE 0x1
/* Vendor-specific feature address (Micron) */#define ONFI_FEATURE_ADDR_READ_RETRY 0x89#define ONFI_FEATURE_ON_DIE_ECC 0x90#define ONFI_FEATURE_ON_DIE_ECC_EN BIT(3)
/* ONFI subfeature parameters length */#define ONFI_SUBFEATURE_PARAM_LEN 4
/* ONFI optional commands SET/GET FEATURES supported? */#define ONFI_OPT_CMD_READ_CACHE BIT(1)#define ONFI_OPT_CMD_SET_GET_FEATURES BIT(2)
struct nand_onfi_params { /* rev info and features block */ /* 'O' 'N' 'F' 'I' */ u8 sig[4]; __le16 revision; __le16 features; __le16 opt_cmd; u8 reserved0[2]; __le16 ext_param_page_length; /* since ONFI 2.1 */ u8 num_of_param_pages; /* since ONFI 2.1 */ u8 reserved1[17];
/* manufacturer information block */ char manufacturer[12]; char model[20]; u8 jedec_id; __le16 date_code; u8 reserved2[13];
/* memory organization block */ __le32 byte_per_page; __le16 spare_bytes_per_page; __le32 data_bytes_per_ppage; __le16 spare_bytes_per_ppage; __le32 pages_per_block; __le32 blocks_per_lun; u8 lun_count; u8 addr_cycles; u8 bits_per_cell; __le16 bb_per_lun; __le16 block_endurance; u8 guaranteed_good_blocks; __le16 guaranteed_block_endurance; u8 programs_per_page; u8 ppage_attr; u8 ecc_bits; u8 interleaved_bits; u8 interleaved_ops; u8 reserved3[13];
/* electrical parameter block */ u8 io_pin_capacitance_max; __le16 sdr_timing_modes; __le16 program_cache_timing_mode; __le16 t_prog; __le16 t_bers; __le16 t_r; __le16 t_ccs; u8 nvddr_timing_modes; u8 nvddr2_timing_modes; u8 nvddr_nvddr2_features; __le16 clk_pin_capacitance_typ; __le16 io_pin_capacitance_typ; __le16 input_pin_capacitance_typ; u8 input_pin_capacitance_max; u8 driver_strength_support; __le16 t_int_r; __le16 t_adl; u8 reserved4[8];
/* vendor */ __le16 vendor_revision; u8 vendor[88];
__le16 crc;} __packed;
#define ONFI_CRC_BASE 0x4F4E
/* Extended ECC information Block Definition (since ONFI 2.1) */struct onfi_ext_ecc_info { u8 ecc_bits; u8 codeword_size; __le16 bb_per_lun; __le16 block_endurance; u8 reserved[2];} __packed;
#define ONFI_SECTION_TYPE_0 0 /* Unused section. */#define ONFI_SECTION_TYPE_1 1 /* for additional sections. */#define ONFI_SECTION_TYPE_2 2 /* for ECC information. */struct onfi_ext_section { u8 type; u8 length;} __packed;
#define ONFI_EXT_SECTION_MAX 8
/* Extended Parameter Page Definition (since ONFI 2.1) */struct onfi_ext_param_page { __le16 crc; u8 sig[4]; /* 'E' 'P' 'P' 'S' */ u8 reserved0[10]; struct onfi_ext_section sections[ONFI_EXT_SECTION_MAX];
/* * The actual size of the Extended Parameter Page is in * @ext_param_page_length of nand_onfi_params{}. * The following are the variable length sections. * So we do not add any fields below. Please see the ONFI spec. */} __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 { int version; u16 tPROG; u16 tBERS; u16 tR; u16 tCCS; bool fast_tCAD; u16 sdr_timing_modes; u16 nvddr_timing_modes; u16 vendor_revision; u8 vendor[88];};
#endif /* __LINUX_MTD_ONFI_H */