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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LINUX_MTD_QINFO_H #define __LINUX_MTD_QINFO_H #include #include #include #include #include #include #include /* lpddr_private describes lpddr flash chip in memory map * @ManufactId - Chip Manufacture ID * @DevId - Chip Device ID * @qinfo - pointer to qinfo records describing the chip * @numchips - number of chips including virual RWW partitions * @chipshift - Chip/partition size 2^chipshift * @chips - per-chip data structure */ struct lpddr_private { uint16_t ManufactId; uint16_t DevId; struct qinfo_chip *qinfo; int numchips; unsigned long chipshift; struct flchip chips[]; }; /* qinfo_query_info structure contains request information for * each qinfo record * @major - major number of qinfo record * @major - minor number of qinfo record * @id_str - descriptive string to access the record * @desc - detailed description for the qinfo record */ struct qinfo_query_info { uint8_t major; uint8_t minor; char *id_str; char *desc; }; /* * qinfo_chip structure contains necessary qinfo records data * @DevSizeShift - Device size 2^n bytes * @BufSizeShift - Program buffer size 2^n bytes * @TotalBlocksNum - Total number of blocks * @UniformBlockSizeShift - Uniform block size 2^UniformBlockSizeShift bytes * @HWPartsNum - Number of hardware partitions * @SuspEraseSupp - Suspend erase supported * @SingleWordProgTime - Single word program 2^SingleWordProgTime u-sec * @ProgBufferTime - Program buffer write 2^ProgBufferTime u-sec * @BlockEraseTime - Block erase 2^BlockEraseTime m-sec */ struct qinfo_chip { /* General device info */ uint16_t DevSizeShift; uint16_t BufSizeShift; /* Erase block information */ uint16_t TotalBlocksNum; uint16_t UniformBlockSizeShift; /* Partition information */ uint16_t HWPartsNum; /* Optional features */ uint16_t SuspEraseSupp; /* Operation typical time */ uint16_t SingleWordProgTime; uint16_t ProgBufferTime; uint16_t BlockEraseTime; }; /* defines for fixup usage */ #define LPDDR_MFR_ANY 0xffff #define LPDDR