custom_memorydevice.h

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/*****************************************************************************
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/*****************************************************************************
 *
 * Filename:
 * ---------
 *   custom_MemoryDevice.h
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   This Module defines the part number of memory device, besides specify
 *   the chip select and driving.
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
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 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/

#ifndef __CUSTOM_MEMORYDEVICE__
#define __CUSTOM_MEMORYDEVICE__


/*
 ****************************************************************************
 Step 1: Specify memory device type and its complete part number
         Possible memory device type: NOR_RAM_MCP, LPSDRAM
 ****************************************************************************
*/
#define MEMORY_DEVICE_TYPE    NOR_RAM_MCP
#define CS0_PART_NUMBER       M6MGA157F4GMWG
#define CS1_PART_NUMBER       M6MGA157F4GMWG


/*
 ****************************************************************************
 Step 2: Specify access type for NOR_RAM_MCP; for LPSDRAM, just assign
         UNDEF_ACCESS to both items (NOR_ACCESS_TYPE and RAM_ACCESS_TYPE)
         Possible access types: ASYNC_ACCESS,
                                SYNC_ACCESS,
                                UNDEF_ACCESS
 ****************************************************************************
*/
#define FLASH_ACCESS_TYPE     ASYNC_ACCESS
#define RAM_ACCESS_TYPE       ASYNC_ACCESS


/*
 ****************************************************************************
 Step 3: Define the first partition size on NOR-flash FAT; if no additional
         partition on NOR-flash disk, it should be 0.

         It is special for NOR-flash disk which has two partitions, the
         first leading is user drive, visible on USB disk, the second may be
         system drive, and invisible from USB disk.

         [VERY IMPORTANT NOTICE]
         =======================
         Please assign the exact value in terms of sectors (one srctor equal
         to 512Bytes).
         MUST NOT assign as
         (TOTAL_FAT_SIZE - SIZE_OF_SYSTEM_DRIVE), because system will keep
         some spaces for disk management.

 ****************************************************************************
*/
#define PARTITION_SECTORS  0


/*
 ****************************************************************************
 Step 4: Define the first partition size on NAND-flash FAT; if no additional
         partition on NAND-flash disk, it should be 0.

         It is special for NAND-flash disk which has two partitions, the
         first leading is user drive, visible on USB disk, the second may be
         system drive or user drive.


         [VERY IMPORTANT NOTICE]
         =======================
         Please assign the exact value in terms of sectors (one srctor equal
         to 512Bytes).
         MUST NOT assign as
         (TOTAL_FAT_SIZE - SIZE_OF_SYSTEM_DRIVE), because system will keep
         some spaces for disk management.

 ****************************************************************************
*/
#if ( defined(__FS_SYSDRV_ON_NAND__) || defined( _NAND_FLASH_BOOTING_) )
#define PARTITION_SIZE         (180000)
#else
#define PARTITION_SIZE         (0)
#endif


/*
 ****************************************************************************
 Step 5: This is an optional step sepcial for NFB (NAND-flash Booting)
         system only.

         Users are responsible to specify the partition on NAND-flash,
         Step a. Start address of FAT on NAND-flash (FLASH_BASE_ADDRESS),
         Step b. Total FAT size on NAND-flash disk (ALLOCATED_FAT_SPACE)

         For example, on 128MB NAND-flash, code segment occupies 32MB, the
         balanced 96MB is reserved for NAND-flash disk, then

         FLASH_BASE_ADDRESS  = 0x02000000
         ALLOCATED_FAT_SPACE = 0x06000000

         [VERY IMPORTANT NOTICE]
         =======================
         The spare area is excluding from the FAT SPACE!!!

 ****************************************************************************
*/
#ifdef _NAND_FLASH_BOOTING_

#define FLASH_BASE_ADDRESS  0x02000000		// 32MB
#define ALLOCATED_FAT_SPACE 0x06000000		// 96MB

#endif /* _NAND_FLASH_BOOTING_ */


/*
 ****************************************************************************
 Step 6: MTK NOR FDM is upgraded to 5.0 from 2006/Q3 to support large NOR-flash
         disk (multi-bank), for example, disk space larger than 64blocks.
         
         The major differnces of NOR FDM 5.0 and NOR FDM 4.0 as below:
         1. RAM consumption
            To manage 32MB INTEL M18 NOR-flash disk, FDM 5.0 consumes 1KB,
            but FDM 4.0 takes 32KB.
         2. Addressable block numbers
            The addressable space of NOR FDM 5.0 is 65K-1 blocks, but NOR FDM 4.0
            is limited at 128-1 blocks.
         3. Idle reclaim and manual reclaim are implemented on NOR FDM 5.0.

         To enable NOR FDM 5.0 on NOR-flash disk, please enable the following 
         definition and customize custom_nor_large_disk.c; the option is swithable 
         at customer site without deliver new library.
         
         [REMIND]
         ========
         To manage small disk space, like smaller than 64 blocks, FDM 4.0 is
         recommended.

 ****************************************************************************
*/
//#define __NOR_FDM5__

#endif /* __CUSTOM_MEMORYDEVICE__ */