projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 922ab535 AK |
1 | #ifndef __LINUX_MTD_QINFO_H |
| 2 | #define __LINUX_MTD_QINFO_H | |
| 3 | ||
| 4 | #include <linux/mtd/map.h> | |
| 5 | #include <linux/wait.h> | |
| 6 | #include <linux/spinlock.h> | |
| 7 | #include <linux/delay.h> | |
| 8 | #include <linux/mtd/mtd.h> | |
| 9 | #include <linux/mtd/flashchip.h> | |
| 10 | #include <linux/mtd/partitions.h> | |
| 11 | ||
| 12 | /* lpddr_private describes lpddr flash chip in memory map | |
| 13 | * @ManufactId - Chip Manufacture ID | |
| 14 | * @DevId - Chip Device ID | |
| 15 | * @qinfo - pointer to qinfo records describing the chip | |
| 16 | * @numchips - number of chips including virual RWW partitions | |
| 17 | * @chipshift - Chip/partiton size 2^chipshift | |
| 18 | * @chips - per-chip data structure | |
| 19 | */ | |
| 20 | struct lpddr_private { | |
| 21 | uint16_t ManufactId; | |
| 22 | uint16_t DevId; | |
| 23 | struct qinfo_chip *qinfo; | |
| 24 | int numchips; | |
| 25 | unsigned long chipshift; | |
| 26 | struct flchip chips[0]; | |
| 27 | }; | |
| 28 | ||
| 29 | /* qinfo_query_info structure contains request information for | |
| 30 | * each qinfo record | |
| 31 | * @major - major number of qinfo record | |
| 32 | * @major - minor number of qinfo record | |
| 33 | * @id_str - descriptive string to access the record | |
| 34 | * @desc - detailed description for the qinfo record | |
| 35 | */ | |
| 36 | struct qinfo_query_info { | |
| 37 | uint8_t major; | |
| 38 | uint8_t minor; | |
| 39 | char *id_str; | |
| 40 | char *desc; | |
| 41 | }; | |
| 42 | ||
| 43 | /* | |
| 44 | * qinfo_chip structure contains necessary qinfo records data | |
| 45 | * @DevSizeShift - Device size 2^n bytes | |
| 46 | * @BufSizeShift - Program buffer size 2^n bytes | |
| 47 | * @TotalBlocksNum - Total number of blocks | |
| 48 | * @UniformBlockSizeShift - Uniform block size 2^UniformBlockSizeShift bytes | |
| 49 | * @HWPartsNum - Number of hardware partitions | |
| 50 | * @SuspEraseSupp - Suspend erase supported | |
| 51 | * @SingleWordProgTime - Single word program 2^SingleWordProgTime u-sec | |
| 52 | * @ProgBufferTime - Program buffer write 2^ProgBufferTime u-sec | |
| 53 | * @BlockEraseTime - Block erase 2^BlockEraseTime m-sec | |
| 54 | */ | |
| 55 | struct qinfo_chip { | |
| 56 | /* General device info */ | |
| 57 | uint16_t DevSizeShift; | |
| 58 | uint16_t BufSizeShift; | |
| 59 | /* Erase block information */ | |
| 60 | uint16_t TotalBlocksNum; | |
| 61 | uint16_t UniformBlockSizeShift; | |
| 62 | /* Partition information */ | |
| 63 | uint16_t HWPartsNum; | |
| 64 | /* Optional features */ | |
| 65 | uint16_t SuspEraseSupp; | |
| 66 | /* Operation typical time */ | |
| 67 | uint16_t SingleWordProgTime; | |
| 68 | uint16_t ProgBufferTime; | |
| 69 | uint16_t BlockEraseTime; | |
| 70 | }; | |
| 71 | ||
| 72 | /* defines for fixup usage */ | |
| 73 | #define LPDDR_MFR_ANY 0xffff | |
| 74 | #define LPDDR_ID_ANY 0xffff | |
| 75 | #define NUMONYX_MFGR_ID 0x0089 | |
| 76 | #define R18_DEVICE_ID_1G 0x893c | |
| 77 | ||
| 78 | static inline map_word lpddr_build_cmd(u_long cmd, struct map_info *map) | |
| 79 | { | |
| 80 | map_word val = { {0} }; | |
| 81 | val.x[0] = cmd; | |
| 82 | return val; | |
| 83 | } | |
| 84 | ||
| 85 | #define CMD(x) lpddr_build_cmd(x, map) | |
| 86 | #define CMDVAL(cmd) cmd.x[0] | |
| 87 | ||
| 88 | struct mtd_info *lpddr_cmdset(struct map_info *); | |
| 89 | ||
| 90 | #endif | |
| 91 |