custom_emi.h

MTK debug flash 兼容性的code

/*****************************************************************************
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/*****************************************************************************
 *
 * Filename:
 * ---------
 *   custom_EMI.h
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   This Module defines the EMI (external memory interface) related setting.
 *
 * Author:
 * -------
 *   EMI auto generator V4.07
 *
 *   Memory Device database last modified on 2007/10/22
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
 * $Revision$
 * $Modtime$
 * $Log$
 *
 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/

#ifndef __CUSTOM_EMI__
#define __CUSTOM_EMI__
#include "flash_opt.h"

/*
 ****************************************************************************
 Specify the chip select configuration
 Possible choices, NOR_FLASH, RAM, LPSDRAM, UNUSED
 ****************************************************************************
*/


const ExtMemoryType_T   EMI_CSConfiguration[4] =
{
   NOR_FLASH,
   RAM,
   UNUSED,
   UNUSED

};


/*
 ****************************************************************************
 Specify RAM size in Bytes
 ****************************************************************************
*/

#define FLASH_BASE_ADDRESS 0x01C00000  //must be the max address in all mcp
#define ALLOCATED_FAT_SPACE 0x0400000//must be the max
kal_uint32  EMI_EXTSRAM_SIZE = ((64)<<20)>> 3;//must be the max


/*
 ****************************************************************************
 Define the driving and cache/prefetch setting (optional)
 ****************************************************************************
*/
#if ( defined(MT6205B) || defined(MT6208) )
#define EMI_GENERAL_CONTROL          0x0100

#elif defined(MT6228)
#define EMI_GENERAL_CONTROL_0        0x20008000
#define EMI_GENERAL_CONTROL_1        0x63186318

#elif defined(MT6225)
#define EMI_GENERAL_CONTROL_0        0x4a808000
#define EMI_GENERAL_CONTROL_1        0x63186318

#elif ( defined(MT6229) || defined(MT6230) || defined(MT6268T) )
#define EMI_GENERAL_CONTROL_0        x

#elif ( defined(MT6218B) || defined(MT6217) || defined(MT6219) )
#define EMI_GENERAL_CONTROL          0xeeee0780
#define EMI_CACHE_PREFETCH           0x03030107

#elif ( defined(MT6223)  || defined(MT6223P) || defined(MT6227D) || defined(MT6226D) )
#define EMI_GENERAL_CONTROL          x
#define EMI_CACHE_PREFETCH           0x03030107

#else /* defined(MT6227) || defined(MT6226) || defined(MT6226M) */
#define EMI_GENERAL_CONTROL          0xeeeefb80
#define EMI_CACHE_PREFETCH           0x03030107

#endif

/*
 ****************************************************************************
 Specify the related EMI Setting
 ****************************************************************************
*/
#if ( defined(MT6205B) || defined(MT6208) )

const kal_uint16   EMI_SettingOnCS[4] =
{
   0x4102,
   0x4102,
   0,
   0
};

#elif ( defined(MT6218B) || defined(MT6217) || defined(MT6219) )

const kal_uint32   EMI_SettingOnCS[4] =
{
   0x44894324,
   0x448a4404,
   0,
   0
};

#elif ( defined(MT6227) || defined(MT6226) || defined(MT6226M) )

const kal_uint32   EMI_SettingOnCS[4] =
{
   0x44894324,
   0x448a4404,
   0,
   0
};

#elif ( defined(MT6228) || defined(MT6229) || defined(MT6230) || defined(MT6225) || defined(MT6268T) )

const kal_uint32   EMI_SettingOnCS[4] =
{
   0x2051494a,
   0x2051490a,
   0,
   0
};

#elif ( defined(MT6223) || defined(MT6223P) || defined(MT6227D) || defined(MT6226D) )

const kal_uint32   EMI_SettingOnCS[4] =
{
   x,
   x,
   0,
   0
};

#endif


/*
 ****************************************************************************
 Specify additional information
 ****************************************************************************
*/

/*
 *******************************************************************************
   Follow the steps below to configure flash memory for FAT

   Note : All sectors allocated for FAT MUST be continuous sectors.

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

/*******************************************************************************
   Step 1. Modify the value of FLASH_BASE_ADDRESS, which is the starting address
           of the flash memory allocated for FAT
 *******************************************************************************/
//#define FLASH_BASE_ADDRESS    0x00E00000

/*******************************************************************************
   Step 2. Modify the value of ALLOCATED_FAT_SPACE, which is the total flash
           space allocated for FAT
 *******************************************************************************/
//#define ALLOCATED_FAT_SPACE   0x00200000

/*******************************************************************************
   Step 3. Fill the flash region information table, a region is the memory space
           that contains continuous sectors of equal size. Each region element
           in the table is the format as below:
           {S_sector, N_sector},
               S_sector: the size of sector in the region
               N_sector: the number of sectors in the region
 *******************************************************************************/
#if defined(_LOW_COST_SINGLE_BANK_FLASH_) || defined(__SINGLE_BANK_NOR_FLASH_SUPPORT__)
#define FLASH_REGIONINFO_VAR_MODIFIER  static
#else /* _LOW_COST_SINGLE_BANK_FLASH_ || __SINGLE_BANK_NOR_FLASH_SUPPORT__ */
#define FLASH_REGIONINFO_VAR_MODIFIER  static const
#endif /* _LOW_COST_SINGLE_BANK_FLASH_ || __SINGLE_BANK_NOR_FLASH_SUPPORT__ */

FLASH_REGIONINFO_VAR_MODIFIER FlashRegionInfo RegionInfo[] =
{
   {0x40000, 7},
   {0x10000, 4},
   EndRegionInfo /* Don't modify this line */
};



/*******************************************************************************
   Step 4. Modify the value of TOTAL_BLOCKS, which is the sum of the number of
           sectors in all regions.
           Note : The Maximum value of TOTAL_BLOCKS is (127).
 *******************************************************************************/
#define TOTAL_BLOCKS       39//must be the max in all mcp

/*******************************************************************************
   Step 5. Modify the value of page buffer size in WORD for page buffer program
 *******************************************************************************/
kal_uint32 PAGE_BUFFER_SIZE = 32;

/*******************************************************************************
   !CAUTION! !!Only for Enhanced Single Bank NOR Flash support!!
   Step 6. Modify the size of block erase queue, which is the number of reserved 
           blocks. It is recommended to be 10~20% of TOTAL_BLOCK value.
           If this value is less than 2, the FDM would use 1.5 internally.
 *******************************************************************************/
#define SNOR_ERASE_QUEUE_SIZE    5

/*******************************************************************************
   Step 7. This is for the Enhanced Signle Bank Support, when this feature is
           turned on and still use multi-bank device, this table should be filled
           with correct value.
 
           This Table define the flash bank information which starts from 
           FLASH_BASE_ADDRESS, please fill the flash bank information table, every
           entry defines the memory space that contains continuous banks of equal size.
           Each entry element in the table is the format as below:
           {S_Bank, N_Bank},
               S_Bank: the size of bank in the entry
               N_Bank: the number of banks in the entry
 *******************************************************************************/
#if defined(__SINGLE_BANK_NOR_FLASH_SUPPORT__) && defined( __MULTI_BANK_NOR_DEVICE__)
FLASH_REGIONINFO_VAR_MODIFIER FlashBankInfo BankInfo[] =
{
   { 0x200000, 1 },
   EndBankInfo /* Don't modify this line */
};
#endif 

/*******************************************************************************
   NOR FLASH BLOCKS SIZE LOOKUP TABLE
          Each entry element
          {Offset, Block_Size},
               Offset:     the offset address
               Block_Size: the size of block
 *******************************************************************************/
#if 0
{0x0,0x10000},
{0x40000,0x40000}
{0xFC0000,0x10000}
#endif



#endif /* __CUSTOM_EMI__ */