mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
178 lines
4.4 KiB
178 lines
4.4 KiB
/* 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> |
|
|
|
/* 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 (1 << 0) |
|
#define ONFI_FEATURE_EXT_PARAM_PAGE (1 << 7) |
|
|
|
/* ONFI timing mode, used in both asynchronous and synchronous mode */ |
|
#define ONFI_TIMING_MODE_0 (1 << 0) |
|
#define ONFI_TIMING_MODE_1 (1 << 1) |
|
#define ONFI_TIMING_MODE_2 (1 << 2) |
|
#define ONFI_TIMING_MODE_3 (1 << 3) |
|
#define ONFI_TIMING_MODE_4 (1 << 4) |
|
#define ONFI_TIMING_MODE_5 (1 << 5) |
|
#define ONFI_TIMING_MODE_UNKNOWN (1 << 6) |
|
|
|
/* 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_SET_GET_FEATURES (1 << 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 async_timing_mode; |
|
__le16 program_cache_timing_mode; |
|
__le16 t_prog; |
|
__le16 t_bers; |
|
__le16 t_r; |
|
__le16 t_ccs; |
|
__le16 src_sync_timing_mode; |
|
u8 src_ssync_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 |
|
* @async_timing_mode: Supported asynchronous timing mode |
|
* @vendor_revision: Vendor specific revision number |
|
* @vendor: Vendor specific data |
|
*/ |
|
struct onfi_params { |
|
int version; |
|
u16 tPROG; |
|
u16 tBERS; |
|
u16 tR; |
|
u16 tCCS; |
|
u16 async_timing_mode; |
|
u16 vendor_revision; |
|
u8 vendor[88]; |
|
}; |
|
|
|
#endif /* __LINUX_MTD_ONFI_H */
|
|
|