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/*
* This file is part of FH8620 BSP for RT-Thread distribution.
*
* Copyright (c) 2016 Shanghai Fullhan Microelectronics Co., Ltd.
* All rights reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Visit http://www.fullhan.com to get contact with Fullhan.
*
* Change Logs:
* Date Author Notes
*/
/*
* spi_fh_adapt.c
*
* Created on: Mar 2, 2016
* Author: duobao
*/
#include <stdint.h>
#include "spi_fh_adapt.h"
#include "board_info.h"
#ifdef RT_USING_W25QXX
#include "spi_flash_w25qxx.h"
#endif
#ifdef RT_USING_AT45DBXX
#include "spi_flash_at45dbxx.h"
#endif
#ifdef RT_USING_SST25VFXX
#include "spi_flash_sst25vfxx.h"
#endif
#ifdef RT_USING_GD
#include "spi_flash_gd.h"
#endif
#ifdef RT_USING_FLASH_DEFAULT
#include "spi_flash_default.h"
#endif
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#define WX_MANU_ID 0xEF
#define AT_MANU_ID 0x1F /* atmel */
#define SST_MANU_ID 0xBF
#define GD_MANU_ID 0xC8
#define SPI_ADAPT_DEBUG
#ifdef SPI_ADAPT_DEBUG
#define CMD_JEDEC_ID 0x9f
#define FH_SPI_ADAPT_DEBUG(fmt, args...) \
rt_kprintf(fmt,##args);
#else
#define FH_SPI_ADAPT_DEBUG(fmt, args...)
#endif
struct fh_flash_id{
unsigned char id;
rt_err_t (*fh_flash_init)(struct flash_platform_data *plat_flash);
char *name;
};
const struct fh_flash_id id_map[] = {
#ifdef RT_USING_W25QXX
WX_MANU_ID,w25qxx_init,"winbond",
#endif
#ifdef RT_USING_AT45DBXX
AT_MANU_ID,at45dbxx_init,"atmel",
#endif
#ifdef RT_USING_SST25VFXX
SST_MANU_ID,sst25vfxx_init,"SST",
#endif
#ifdef RT_USING_GD
GD_MANU_ID,gd_init,"GD",
#endif
};
struct fh_flash_id * fh_flash_check_id_map(unsigned char id){
struct fh_flash_id *p_map = RT_NULL;
unsigned int i;
for (i = 0; i < ARRAY_SIZE(id_map); i++) {
p_map = (struct fh_flash_id *)&id_map[i];
if (p_map->id == id){
return p_map;
}
}
return RT_NULL;
}
int fh_flash_adapt_probe(void *priv_data)
{
struct flash_platform_data *plat_flash = priv_data;
const char * flash_device_name = plat_flash->flash_name;
const char * spi_device_name = plat_flash->spi_name;
struct rt_spi_device * rt_spi_device;
struct fh_flash_id * flash_model;
rt_spi_device = (struct rt_spi_device *)rt_device_find(spi_device_name);
if(rt_spi_device == RT_NULL)
{
rt_kprintf("spi device %s not found!\r\n", spi_device_name);
return -RT_ENOSYS;
}
/* config spi */
{
struct rt_spi_configuration cfg;
cfg.data_width = 8;
cfg.mode = RT_SPI_MODE_0 | RT_SPI_MSB; /* SPI Compatible: Mode 0 and Mode 3 */
cfg.max_hz = 50 * 1000 * 1000; /* 50M */
rt_spi_configure(rt_spi_device, &cfg);
}
/* init flash */
rt_uint8_t cmd;
rt_uint8_t id_recv[3];
uint16_t memory_type_capacity;
rt_err_t ret;
cmd = 0xFF; /* reset SPI FLASH, cancel all cmd in processing. */
rt_spi_send(rt_spi_device, &cmd, 1);
/* read flash id */
cmd = CMD_JEDEC_ID;
rt_spi_send_then_recv(rt_spi_device, &cmd, 1, id_recv, 3);
//if the flash is already connect.
if(id_recv[0] != 0xff){
flash_model =fh_flash_check_id_map(id_recv[0]);
if(flash_model){
ret = flash_model->fh_flash_init(plat_flash);
if(ret != RT_EOK){
rt_kprintf("flash:%s init error\n",flash_model->name);
rt_kprintf("use default flash ops..\n");
//flash_model->fh_flash_adapt_init =flash_default_init;
ret = flash_default_init(plat_flash);
}
}
else{
rt_kprintf(
"use default flash ops...\nunrecognized flash id is :%02X %02X %02X\n",
id_recv[0], id_recv[1], id_recv[2]);
ret = flash_default_init(plat_flash);
}
int i;
for(i=0; i<plat_flash->nr_parts; i++)
{
fh_spi_partition_register(plat_flash->flash_name, &plat_flash->parts[i]);
}
return ret;
}
else{
rt_kprintf("please check if you connect the flash already...\n");
return RT_ENOSYS;
}
}
int fh_flash_adapt_exit(void *priv_data)
{
return 0;
}
struct fh_board_ops flash_driver_ops =
{
.probe = fh_flash_adapt_probe,
.exit = fh_flash_adapt_exit,
};
rt_err_t fh_flash_adapt_init(void)
{
fh_board_driver_register("fh_flash", &flash_driver_ops);
return 0;
}
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