mcu/custom/driver/common/custom_EMI_SP.c

/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
*  permission of MediaTek Inc. (C) 2006
*
*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
*  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
*  NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
*  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
*  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
*  LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
*  AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
*  OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
*  MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
*  THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
*  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
*  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
*  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
*  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/

/*****************************************************************************
 *
 * Filename:
 * ---------
 *   custom_EMI.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   This Module defines the EMI (external memory interface) related setting.
 *
 * Author:
 * -------
 * -------
 *
 *   Memory Device database last modified on 2011/6/29
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/

#include "custom_EMI_release.h"

#if defined(__EMI_DEVICE_NONE__)
#if defined(__MTK_TARGET__)

#include "kal_public_api.h" //MSBB change #include "kal_release.h"
#include "pll.h"


/*************************************
  *
  * Imported APIs.
  *
  *************************************/


/*************************************
  *
  * Global Variables.
  *
  *************************************/


/*************************************************************************
* FUNCTION
*  custom_setEMI()
*
* DESCRIPTION
*   This routine aims to set EMI
*
* PARAMETERS
*
* RETURNS
*  None
*
* GLOBALS AFFECTED
*
*************************************************************************/
kal_int8 custom_setEMI(void)
{

/**
  * MT6573 EMI will be init at CMM when bring-up.
  */    

   return 1;

}

/*************************************************************************
* FUNCTION
*  custom_InitDRAM()
*
* DESCRIPTION
*   This routine aims to set EMI and initialize LPSDRAM
*
* PARAMETERS
*
* RETURNS
*  None
*
* GLOBALS AFFECTED
*
*************************************************************************/
kal_int8 custom_InitDRAM(void)
{
   return -1;

}

#if ( !defined(__UBL__) && !defined(__FUE__) )
  /* __FUE__ , __UBL__ compile option is used for FOTA or USB Bootloader build
   * add this compile option to avoid compiling functions other than custom_setEMI()
   */

/*************************************************************************
* FUNCTION
*  custom_setAdvEMI()
*
* DESCRIPTION
*   This routine aims to set additional EMI
*   This is special for device which needs to set device configuration
*   register to turn-on special mode.
*
* PARAMETERS
*
* RETURNS
*  1:
*
* GLOBALS AFFECTED
*
*************************************************************************/

#ifdef __MTK_TARGET__
#endif /* __MTK_TARGET__ */


kal_int8 custom_setAdvEMI(void)
{
   kal_int8    status = 0;

   return status;
}

#ifdef __MTK_TARGET__
#endif /* __MTK_TARGET__ */


/*************************************************************************
* FUNCTION
*  custom_get_EXTSRAM_size()
*
* DESCRIPTION
*  Return predefined external SRAM size.
*
* PARAMETERS
*
* RETURNS
*  None
*
* GLOBALS AFFECTED
*
*************************************************************************/
void
custom_get_EXTSRAM_size(kal_uint32 *size)
{
    *size = (kal_uint32)EMI_EXTSRAM_SIZE;
}

/*************************************************************************
* FUNCTION
*  custom_ifLPSDRAM()
*
* DESCRIPTION
*  Query if the memory device is LPSDRAM
*
* PARAMETERS
*
* RETURNS
*  KAL_TRUE: The memory device is LPSDRAM
*  KAL_FALSE: The memory device is not LPSDRAM
*
* GLOBALS AFFECTED
*
*************************************************************************/
kal_bool
custom_ifLPSDRAM(void)
{
#if defined(DRAM_CS) && defined(DRAM_SIZE)
   return KAL_TRUE;
#else
   return KAL_FALSE;
#endif      
}


/*************************************************************************
* FUNCTION
*  custom_DynamicClockSwitch
*
* DESCRIPTION
*  This function dedicates to switch the system clock and adjust the EMI
*  according to the working system clock.
*
* PARAMETERS
*  clock    -    clock to switch
*
* RETURNS
*  0 for success; -1 for failure
*
*************************************************************************/
#if 0 //#ifdef DCM_ENABLE
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
#endif  /* DCM_ENABLE */


/*************************************************************************
* FUNCTION
*  custom_EMIDynamicClockSwitch_Init
*
* DESCRIPTION
*  This function is used to Init setting for DCM
*
* PARAMETERS
*
*
* RETURNS
*  0 for success; -1 for failure
*
*************************************************************************/

int custom_EMIDynamicClockSwitch_Init(void)
{

    return 0;
}



#endif /* !__UBL__ && !__FUE__ */

#endif // #if defined(__MTK_TARGET__)
#endif // #if defined(MT6573) || defined(MT6575)