- 根目录:
- include
- linux
- mtd
- pfow.h
#ifndef __LINUX_MTD_PFOW_H
#define __LINUX_MTD_PFOW_H
#include <linux/mtd/qinfo.h>
#define PFOW_QUERY_STRING_P 0x0000
#define PFOW_QUERY_STRING_F 0x0002
#define PFOW_QUERY_STRING_O 0x0004
#define PFOW_QUERY_STRING_W 0x0006
#define PFOW_MANUFACTURER_ID 0x0020
#define PFOW_DEVICE_ID 0x0022
#define PFOW_PROGRAM_BUFFER_OFFSET 0x0040
#define PFOW_PROGRAM_BUFFER_SIZE 0x0042
#define PFOW_COMMAND_CODE 0x0080
#define PFOW_COMMAND_DATA 0x0084
#define PFOW_COMMAND_ADDRESS_L 0x0088
#define PFOW_COMMAND_ADDRESS_H 0x008a
#define PFOW_DATA_COUNT_L 0x0090
#define PFOW_DATA_COUNT_H 0x0092
#define PFOW_COMMAND_EXECUTE 0x00c0
#define PFOW_CLEAR_PROGRAM_BUFFER 0x00c4
#define PFOW_PROGRAM_ERASE_SUSPEND 0x00c8
#define PFOW_DSR 0x00cc
#define LPDDR_WORD_PROGRAM 0x0041
#define LPDDR_BUFF_PROGRAM 0x00E9
#define LPDDR_BLOCK_ERASE 0x0020
#define LPDDR_LOCK_BLOCK 0x0061
#define LPDDR_UNLOCK_BLOCK 0x0062
#define LPDDR_READ_BLOCK_LOCK_STATUS 0x0065
#define LPDDR_INFO_QUERY 0x0098
#define LPDDR_READ_OTP 0x0097
#define LPDDR_PROG_OTP 0x00C0
#define LPDDR_RESUME 0x00D0
#define LPDDR_START_EXECUTION 0x0001
#define LPDDR_SUSPEND 0x0001
#define DSR_DPS (1<<1)
#define DSR_PSS (1<<2)
#define DSR_VPPS (1<<3)
#define DSR_PROGRAM_STATUS (1<<4)
#define DSR_ERASE_STATUS (1<<5)
#define DSR_ESS (1<<6)
#define DSR_READY_STATUS (1<<7)
#define DSR_RPS (0x3<<8)
#define DSR_AOS (1<<12)
#define DSR_AVAILABLE (1<<15)
#define DSR_ERR 0x133A
static inline void send_pfow_command(struct map_info *map,
unsigned long cmd_code, unsigned long adr,
unsigned long len, map_word *datum)
{
int bits_per_chip = map_bankwidth(map) * 8;
int chipnum;
struct lpddr_private *lpddr = map->fldrv_priv;
chipnum = adr >> lpddr->chipshift;
map_write(map, CMD(cmd_code), map->pfow_base + PFOW_COMMAND_CODE);
map_write(map, CMD(adr & ((1<<bits_per_chip) - 1)),
map->pfow_base + PFOW_COMMAND_ADDRESS_L);
map_write(map, CMD(adr>>bits_per_chip),
map->pfow_base + PFOW_COMMAND_ADDRESS_H);
if (len) {
map_write(map, CMD(len & ((1<<bits_per_chip) - 1)),
map->pfow_base + PFOW_DATA_COUNT_L);
map_write(map, CMD(len>>bits_per_chip),
map->pfow_base + PFOW_DATA_COUNT_H);
}
if (datum)
map_write(map, *datum, map->pfow_base + PFOW_COMMAND_DATA);
map_write(map, CMD(LPDDR_START_EXECUTION),
map->pfow_base + PFOW_COMMAND_EXECUTE);
}
static inline void print_drs_error(unsigned dsr)
{
int prog_status = (dsr & DSR_RPS) >> 8;
if (!(dsr & DSR_AVAILABLE))
printk(KERN_NOTICE"DSR.15: (0) Device not Available\n");
if (prog_status & 0x03)
printk(KERN_NOTICE"DSR.9,8: (11) Attempt to program invalid "
"half with 41h command\n");
else if (prog_status & 0x02)
printk(KERN_NOTICE"DSR.9,8: (10) Object Mode Program attempt "
"in region with Control Mode data\n");
else if (prog_status & 0x01)
printk(KERN_NOTICE"DSR.9,8: (01) Program attempt in region "
"with Object Mode data\n");
if (!(dsr & DSR_READY_STATUS))
printk(KERN_NOTICE"DSR.7: (0) Device is Busy\n");
if (dsr & DSR_ESS)
printk(KERN_NOTICE"DSR.6: (1) Erase Suspended\n");
if (dsr & DSR_ERASE_STATUS)
printk(KERN_NOTICE"DSR.5: (1) Erase/Blank check error\n");
if (dsr & DSR_PROGRAM_STATUS)
printk(KERN_NOTICE"DSR.4: (1) Program Error\n");
if (dsr & DSR_VPPS)
printk(KERN_NOTICE"DSR.3: (1) Vpp low detect, operation "
"aborted\n");
if (dsr & DSR_PSS)
printk(KERN_NOTICE"DSR.2: (1) Program suspended\n");
if (dsr & DSR_DPS)
printk(KERN_NOTICE"DSR.1: (1) Aborted Erase/Program attempt "
"on locked block\n");
}
#endif
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