bl_portingfunc.c

MTK 平台启动源码

/*****************************************************************************
*  Copyright Statement:
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*
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*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
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*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
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*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
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*****************************************************************************/

/*****************************************************************************
 *
 * Filename:
 * ---------
 *   BL_portingfuncs.c
 *
 * Project:
 * --------
 *   BootLoader
 *
 * Description:
 * ------------
 *   This Module defines misc common functions that referenced by
 *   shared (usually customization) source file between MAUI and BootLoader
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
 * removed!
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 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/

#include "kal_release.h"
#include "bl_init.h"

/*************************************************************************
* FUNCTION
*  INT_DisableCacheOnEMI
*
* DESCRIPTION
*  This is specific function for flash driver only.
*
* CALLS
*
* PARAMETERS
*
* RETURNS
*
* GLOBALS AFFECTED
*
*************************************************************************/
void INT_DisableCacheOnEMI(void)
{
#if (defined(MT6227) || defined(MT6226) || defined(MT6227D) || defined(MT6226D) || defined(MT6226M))

   *(volatile int*)0x80010050 = 0x00;
   
#endif
}

kal_uint32 SaveAndSetIRQMask(void)
{
   /* DO-NOTHING at boot loader stage */
   return 0x0;
}

void RestoreIRQMask(kal_uint32 x)
{
   /* DO-NOTHING at boot loader stage */
   return;
}

#if defined(DEBUG_KAL)
void kal_assert_fail(char* expr, char* file, kal_uint32 line,
                     kal_bool isext, kal_uint32 ex1, kal_uint32 ex2, kal_uint32 ex3,
                     ASSERT_DUMP_PARAM_T *dump_param)
{
   kal_uint32 i;
   do {
      dbg_print("assert fail (%s) at %s line %d with ext( %x , %x , %x )\n\r", expr, file, line, ex1, ex2, ex3);
      for(i = 0xFFFFF; i > 0; i--) ;
   }while(1);
}
#else /* DEBUG_KAL */
void kal_assert_fail(void)
{
   kal_uint32 link_register;
   kal_uint32 i;
   /* 
    * NoteXXX: retrieve link register before any function call
    *
    */
   __asm {
      mov link_register, lr;
   }
   do {
      dbg_print("assert fail at %x\n\r", link_register);
      for(i = 0xFFFFF; i > 0; i--) ;
   }while(1);
}
#endif /* DEBUG_KAL */



void DRV_RESET(void)
{
   while(1);
}