279 lines
7.4 KiB
C
279 lines
7.4 KiB
C
/*
|
|
* Copyright : (C) 2022 Phytium Information Technology, Inc.
|
|
* All Rights Reserved.
|
|
*
|
|
* This program is OPEN SOURCE software: you can redistribute it and/or modify it
|
|
* under the terms of the Phytium Public License as published by the Phytium Technology Co.,Ltd,
|
|
* either version 1.0 of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY;
|
|
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
* See the Phytium Public License for more details.
|
|
*
|
|
*
|
|
* FilePath: fnand_id.c
|
|
* Date: 2022-07-06 08:34:27
|
|
* LastEditTime: 2022-07-06 08:34:27
|
|
* Description: This file is for functions in this file are the read id required functions
|
|
* for this driver.
|
|
*
|
|
* Modify History:
|
|
* Ver Who Date Changes
|
|
* ----- ------ -------- --------------------------------------
|
|
* 1.0 huanghe 2022/05/10 first release
|
|
*/
|
|
#include "fdebug.h"
|
|
#include "fnand.h"
|
|
#include "fnand_id.h"
|
|
#include "fnand_common_cmd.h"
|
|
#include "fdebug.h"
|
|
#include "fkernel.h"
|
|
#include "sdkconfig.h"
|
|
|
|
#define CONFIG_FNAND_ID_DEBUG_EN
|
|
#define FNAND_ID_DEBUG_TAG "FNAND_ID"
|
|
#ifdef CONFIG_FNAND_ID_DEBUG_EN
|
|
|
|
#define FNAND_ID_DEBUG_I(format, ...) FT_DEBUG_PRINT_I(FNAND_ID_DEBUG_TAG, format, ##__VA_ARGS__)
|
|
#define FNAND_ID_DEBUG_W(format, ...) FT_DEBUG_PRINT_W(FNAND_ID_DEBUG_TAG, format, ##__VA_ARGS__)
|
|
#define FNAND_ID_DEBUG_E(format, ...) FT_DEBUG_PRINT_E(FNAND_ID_DEBUG_TAG, format, ##__VA_ARGS__)
|
|
#define FNAND_ID_DEBUG_D(format, ...) FT_DEBUG_PRINT_D(FNAND_ID_DEBUG_TAG, format, ##__VA_ARGS__)
|
|
#else
|
|
#define FNAND_ID_DEBUG_I(format, ...)
|
|
#define FNAND_ID_DEBUG_W(format, ...)
|
|
#define FNAND_ID_DEBUG_E(format, ...)
|
|
#define FNAND_ID_DEBUG_D(format, ...)
|
|
#endif
|
|
|
|
|
|
/*
|
|
* NAND Flash Manufacturer ID Codes
|
|
*/
|
|
#define NAND_MFR_TOSHIBA 0x98
|
|
|
|
|
|
/* Cell info constants */
|
|
#define NAND_CI_CHIPNR_MSK 0x03
|
|
#define NAND_CI_CELLTYPE_MSK 0x0C
|
|
#define NAND_CI_CELLTYPE_SHIFT 2
|
|
|
|
|
|
|
|
#define NAND_MAX_ID_LEN 8
|
|
|
|
|
|
|
|
extern FError FNandToggleInit(FNand *instance_p, u32 chip_addr);
|
|
extern FError FNandOnfiInit(FNand *instance_p, u32 chip_addr);
|
|
extern FError FNandTimingInterfaceUpdate(FNand *instance_p, u32 chip_addr);
|
|
|
|
extern const struct FNandManuFacturerOps toshiba_ops;
|
|
|
|
static const FNandManuFacturer fnand_manufacturers[] =
|
|
{
|
|
{NAND_MFR_TOSHIBA, "Toshiba", &toshiba_ops},
|
|
};
|
|
|
|
static int FnandIdHasPeriod(u8 *id_data_p, int arrlen, int period)
|
|
{
|
|
int i, j;
|
|
for (i = 0; i < period; i++)
|
|
for (j = i + period; j < arrlen; j += period)
|
|
if (id_data_p[i] != id_data_p[j])
|
|
{
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int FNandIdLen(u8 *id_data_p, int data_length)
|
|
{
|
|
int last_nonzero, period;
|
|
|
|
for (last_nonzero = data_length - 1; last_nonzero >= 0; last_nonzero--)
|
|
if (id_data_p[last_nonzero])
|
|
{
|
|
break;
|
|
}
|
|
|
|
/* All zeros */
|
|
if (last_nonzero < 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/* Calculate wraparound period */
|
|
for (period = 1; period < data_length; period++)
|
|
if (FnandIdHasPeriod(id_data_p, data_length, period))
|
|
{
|
|
break;
|
|
}
|
|
|
|
/* There's a repeated pattern */
|
|
if (period < data_length)
|
|
{
|
|
return period;
|
|
}
|
|
|
|
/* There are trailing zeros */
|
|
if (last_nonzero < data_length - 1)
|
|
{
|
|
return last_nonzero + 1;
|
|
}
|
|
|
|
/* No pattern detected */
|
|
return data_length;
|
|
|
|
}
|
|
|
|
|
|
const FNandManuFacturer *FNandGetManuFacturer(u8 id)
|
|
{
|
|
u32 i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(fnand_manufacturers); i++)
|
|
{
|
|
if (fnand_manufacturers[i].id == id)
|
|
{
|
|
return &fnand_manufacturers[i];
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static FError FNandIdDetect(FNand *instance_p, u32 chip_addr)
|
|
{
|
|
FError ret;
|
|
u32 i;
|
|
FNandId nand_id;
|
|
u8 *id_data = (u8 *)&nand_id.data;
|
|
u8 maf_id, dev_id;
|
|
const FNandManuFacturer *manufacturer_p ;
|
|
|
|
|
|
ret = FNandFlashReset(instance_p, chip_addr);
|
|
if (ret != FT_SUCCESS)
|
|
{
|
|
FNAND_ID_DEBUG_E("FNandFlashReset is error");
|
|
return ret;
|
|
}
|
|
|
|
/* step2 read device ID */
|
|
ret = FNandFlashReadId(instance_p, 0, id_data, 2, chip_addr);
|
|
if (ret != FT_SUCCESS)
|
|
{
|
|
FNAND_ID_DEBUG_E("FNandFlashReadId is error");
|
|
return ret;
|
|
}
|
|
|
|
/* Read manufacturer and device IDs */
|
|
maf_id = id_data[0];
|
|
dev_id = id_data[1];
|
|
|
|
/* step 3 get entire device ID*/
|
|
ret = FNandFlashReadId(instance_p, 0, id_data, sizeof(nand_id.data), chip_addr);
|
|
if (ret != FT_SUCCESS)
|
|
{
|
|
FNAND_ID_DEBUG_E("FNandFlashReadId is error");
|
|
return ret;
|
|
}
|
|
/* step 5 compare ID string and device id */
|
|
if (id_data[0] != maf_id || id_data[1] != dev_id)
|
|
{
|
|
FNAND_ID_DEBUG_E("Second ID read did not match %02x,%02x against %02x,%02x\n",
|
|
maf_id, dev_id, id_data[0], id_data[1]);
|
|
return FNAND_ERR_NOT_MATCH;
|
|
}
|
|
|
|
nand_id.len = FNandIdLen(id_data, ARRAY_SIZE(nand_id.data));
|
|
|
|
/* step 6 通过maf_id获取对应的参数 */
|
|
manufacturer_p = FNandGetManuFacturer(maf_id);
|
|
|
|
if (manufacturer_p == NULL)
|
|
{
|
|
FNAND_ID_DEBUG_E("Manufacturer not in list");
|
|
return FNAND_ERR_NOT_MATCH;
|
|
}
|
|
|
|
FNAND_ID_DEBUG_I("Find manufacturer");
|
|
if (manufacturer_p->ops->detect)
|
|
{
|
|
FNAND_ID_DEBUG_I("manufacturer_p->ops->detect function work");
|
|
return manufacturer_p->ops->detect(instance_p, &nand_id, chip_addr);
|
|
}
|
|
else
|
|
{
|
|
FNAND_ID_DEBUG_E("Manufacturer detect is empty");
|
|
return FNAND_ERR_NOT_MATCH;
|
|
}
|
|
|
|
return FT_SUCCESS;
|
|
}
|
|
|
|
FError FNandDetect(FNand *instance_p)
|
|
{
|
|
FError ret;
|
|
u32 i = 0;
|
|
|
|
for (i = 0; i < FNAND_CONNECT_MAX_NUM; i++)
|
|
{
|
|
ret = FNandIdDetect(instance_p, i);
|
|
if (ret != FT_SUCCESS)
|
|
{
|
|
FNAND_ID_DEBUG_W("Normal flash is not found");
|
|
}
|
|
else
|
|
{
|
|
FNandFlashFuncRegister(instance_p) ;
|
|
FNAND_ID_DEBUG_I("Normal flash is found");
|
|
continue;
|
|
}
|
|
|
|
|
|
ret = FNandToggleInit(instance_p, i); /* toggle 1.0 */
|
|
if (ret != FT_SUCCESS)
|
|
{
|
|
FNAND_ID_DEBUG_W("Toggle flash is not found");
|
|
}
|
|
else
|
|
{
|
|
FNAND_ID_DEBUG_I("Scan %d nand is toggle mode", i);
|
|
instance_p->nand_flash_interface[i] = FNAND_TOGGLE_MODE;
|
|
ret = FNandTimingInterfaceUpdate(instance_p, i);
|
|
if (ret != FT_SUCCESS)
|
|
{
|
|
FNAND_ID_DEBUG_E("FNandTimingInterfaceUpdate is error");
|
|
return ret;
|
|
}
|
|
/* open ecc length config */
|
|
FNandFlashFuncRegister(instance_p) ;
|
|
FNAND_ID_DEBUG_I("Toggle flash is found");
|
|
continue;
|
|
}
|
|
|
|
ret = FNandOnfiInit(instance_p, i);
|
|
if (ret != FT_SUCCESS)
|
|
{
|
|
FNAND_ID_DEBUG_W("Onfi flash is not found");
|
|
}
|
|
else
|
|
{
|
|
instance_p->nand_flash_interface[i] = FNAND_ONFI_MODE;
|
|
ret = FNandTimingInterfaceUpdate(instance_p, i);
|
|
if (ret != FT_SUCCESS)
|
|
{
|
|
FNAND_ID_DEBUG_E("FNandTimingInterfaceUpdate is error");
|
|
return ret;
|
|
}
|
|
/* open ecc length config ,需要确保 ecc 校验的空间必须小于oob 的空间*/
|
|
FNandFlashFuncRegister(instance_p) ;
|
|
FNAND_ID_DEBUG_I("Onfi flash is found");
|
|
continue;
|
|
}
|
|
|
|
}
|
|
return FT_SUCCESS;
|
|
}
|