| #ifndef __LINUX_MTD_QINFO_H |
| #define __LINUX_MTD_QINFO_H |
| |
| #include <linux/mtd/map.h> |
| #include <linux/wait.h> |
| #include <linux/spinlock.h> |
| #include <linux/delay.h> |
| #include <linux/mtd/mtd.h> |
| #include <linux/mtd/flashchip.h> |
| #include <linux/mtd/partitions.h> |
| |
| /* 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/partiton 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[0]; |
| }; |
| |
| /* 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_ID_ANY 0xffff |
| #define NUMONYX_MFGR_ID 0x0089 |
| #define R18_DEVICE_ID_1G 0x893c |
| |
| static inline map_word lpddr_build_cmd(u_long cmd, struct map_info *map) |
| { |
| map_word val = { {0} }; |
| val.x[0] = cmd; |
| return val; |
| } |
| |
| #define CMD(x) lpddr_build_cmd(x, map) |
| #define CMDVAL(cmd) cmd.x[0] |
| |
| struct mtd_info *lpddr_cmdset(struct map_info *); |
| |
| #endif |
| |