disk/part_cfg.c

   1 #include "part_cfg.h"
   2 #include "../drivers/mmc/card_sdio.h"
   3
   4 PART_DEVICE_IO g_part_device_io =
   5 {
   6         //emmc_get_id,
   7         _get_device_info,
   8         _read_block,
   9         _write_block
  10 };
  11
  12 PART_DEVICE emmc_part_device={0};
  13
  14 /**
  15  *
  16  *      block device access interface
  17  *
  18 **/
  19 unsigned int _get_device_info(unsigned int *total_sector_number)
  20 {
  21                   *total_sector_number =  Emmc_GetCapacity(0);
  22                   return 1;
  23 }
  24
  25 unsigned int _read_block(unsigned int start_sector,unsigned int sector_number,unsigned char *buf)
  26 {
  27         //emmc read sector
  28
  29         if(TRUE == Emmc_Read(0, start_sector, sector_number, buf))
  30                         return 1;
  31                   else
  32                         return -1;
  33 }
  34
  35 unsigned int _write_block(unsigned int start_sector,unsigned int sector_number,unsigned char *buf)
  36 {
  37         //emmc write sector
  38         if(TRUE == Emmc_Write(0, start_sector, sector_number, buf))
  39                        return 1;
  40                    else
  41                         return -1;
  42 }
  43
  44 unsigned int _erase_block(unsigned int start_sector,unsigned int sector_number)
  45 {
  46         //for nand only
  47         if(TRUE == Emmc_Erase(0, start_sector, sector_number))
  48                          return 1;
  49                    else
  50                         return -1;
  51 }
  52
  53 unsigned int emmc_part_device_init()
  54 {
  55         emmc_part_device._device_io = &g_part_device_io;
  56         g_part_device_io._info(&emmc_part_device.total_sector);
  57        return 0;
  58 }