93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#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/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_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
|
||
|
|
|