﻿/**************************************************************************************************
*******
**************************************************************************************************/

/*******************************************************************************
    @file     flash.h
    @brief    Contains all functions support for flash driver
    @version  0.0
    @date     27. Nov. 2017
    @author   qing.han



*******************************************************************************/
#ifndef _FLASH_H_
#define _FLASH_H_

#include "rom_sym_def.h"
#include "clock.h"
#include "types.h"
#include "gpio.h"
#include "version.h"

#define CHIP_MADDR_LEN          6
#define CHIP_ID_FLASH_ADDRESS           0x11000800
#define CHIP_MADDR_FLASH_ADDRESS        (CHIP_ID_FLASH_ADDRESS+CHIP_ID_LENGTH*4)

#define FLASH_SIZE_256KB        (0)
#define FLASH_SIZE_512KB        (1)
#define FLASH_SIZE_1MB          (2)

#define SPIF_FLASH_SIZE         FLASH_SIZE_512KB

#define SPIF_TIMEOUT       (0x7ffffff)//1000000

#define SFLG_WIP    1
#define SFLG_WEL    2
#define SFLG_WELWIP 3

//define flash ucds
#define FLASH_BASE_ADDR         (0x11000000)
#define FLASH_UCDS_ADDR_BASE    0x11005000

#define CHIP_ID_LENGTH          64
#define CHIP_ID_PID_LEN         16
#define CHIP_ID_LID_LEN         10
#define CHIP_ID_MID_LEN         16
#define CHIP_ID_TID_LEN         14
#define CHIP_ID_SID_LEN         8

#define CHIP_MADDR_LEN          6

//xip flash read instrcution
#define XFRD_FCMD_READ          0x0000003
#define XFRD_FCMD_READ_DUAL     0x801003B
#define XFRD_FCMD_READ_QUAD     0x801006B


#define FCMD_RESET              0x99  //reset
#define FCMD_ENRST              0x66  //enable reset
#define FCMD_WREN               0x06  //write enable
#define FCMD_WRDIS              0x04  //write disable
#define FCMD_VSRWREN            0x50  //Volatile SR Write Enable


#define FCMD_CERASE             0x60  //(or 0xC7)chip erase
#define FCMD_SERASE             0x20  //sector erase
#define FCMD_BERASE32           0x52  //block erease 32k
#define FCMD_BERASE64           0xD8

#define FCMD_DPWRDN             0xB9  //deep power down
#define FCMD_RLSDPD             0xAB  //release from powerdown(and read device id)
#define FCMD_WRST               0x01  //write status
#define FCMD_RDID               0x9F  //read ID
#define FCMD_RDST               0x05  //read status
#define FCMD_RDST_H             0x35  //read status high byte
#define FCMD_PPROG              0x02  //page program
#define FCMD_READ               0x03  //read
#define FCMD_READF              0x0B  //fast read
#define FCMD_READDO             0x3B  //dual output fast read
#define FCMD_READDIO            0xBB  //dual I/O fast read
#define FCMD_READQO             0x6B  //quad output fast read
#define FCMD_READQIO            0xeB  //quad I/O fast read
#define FCMD_READQIOW           0xe7  //quad I/O fast read word

typedef struct
{
    sysclk_t      spif_ref_clk;         //
    uint32_t      rd_instr;
} xflash_Ctx_t;

typedef enum{
    CHIP_ID_UNCHECK,
    CHIP_ID_EMPTY,
    CHIP_ID_VALID,
    CHIP_ID_INVALID,
}CHIP_ID_STATUS_e;

typedef struct{
  CHIP_ID_STATUS_e chipMAddrStatus;
  uint8_t mAddr[CHIP_MADDR_LEN];
}chipMAddr_t;



extern int _spif_wait_nobusy(uint8_t flg, uint32_t tout_ns);
extern int  spif_write(uint32_t addr, uint8_t* data, uint32_t size);
extern int  spif_write_dma(uint32_t addr, uint8_t* data, uint32_t size);
extern int  spif_read(uint32_t addr, uint8_t* data, uint32_t size);
extern int  spif_read_dma(uint32_t addr, uint8_t* data, uint32_t size);
extern int spif_erase_sector(unsigned int addr);
extern int spif_erase_block64(unsigned int addr);
extern int spif_erase_all(void);
extern uint8_t spif_flash_status_reg_0(void);
extern int spif_write_protect(bool en);
extern void spif_cmd(uint8_t op, uint8_t addrlen, uint8_t rdlen, uint8_t wrlen, uint8_t mbit, uint8_t dummy);
extern void spif_rddata(uint8_t* data, uint8_t len);
extern int spif_config(sysclk_t ref_clk, uint8_t div,  uint32_t rd_instr,  uint8_t mode_bit, uint8_t QE);
int hal_spif_cache_init(xflash_Ctx_t cfg);
void hal_cache_tag_flush(void);

int hal_flash_write(uint32_t addr, uint8_t* data, uint32_t size);
int hal_flash_write_by_dma(uint32_t addr, uint8_t* data, uint32_t size);
int hal_flash_read(uint32_t addr, uint8_t* data, uint32_t size);
int hal_flash_erase_sector(unsigned int addr);
int hal_flash_erase_block64(unsigned int addr);
int flash_write_word(unsigned int offset, uint32_t  value);

CHIP_ID_STATUS_e chip_id_one_bit_hot_convter(uint8_t* b,uint32_t w);

void LL_PLUS_LoadMACFromFlash(uint32_t addr);

CHIP_ID_STATUS_e LL_PLUS_LoadMACFromChipMAddr(void);


void check_chip_mAddr(void);
void LOG_CHIP_MADDR(void);


#endif








