| Alexey Korolev | 922ab53 | 2008-12-16 18:13:58 +0000 | [diff] [blame] | 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 | |