//--------------------------------------------external function definition-------------------------------------------
//*****************************************************************************
// unsigned int mctl_init()
// Description: DRAM Controller Initialize Procession
//
// Arguments: None
//
// Return Value: 0: Fail others: dram size
//*****************************************************************************
unsigned int DRAMC_init(__dram_para_t *para)
{
unsigned int dram_size = 0;
unsigned int reg_val;
//check input dram parameter structure
if(!para)
{
//dram parameter is invalid
return 0;
}
standby_serial_putc('s');
standby_serial_putc('\n');
//***********************************************
// dram system init
//***********************************************
mctl_sys_init(para);
//***********************************************
// dram dll init
//***********************************************
if(((para->dram_para2>>8)&0xF) == 2)
{
mctl_dll_init(0, para);
mctl_dll_init(1, para);
}
else
{
//*****************************************************************************
// uint32 mctl_init()
// Description: DRAM Controller Initialize Procession
//
// Arguments: None
//
// Return Value: 1: Success 0: Fail
//*****************************************************************************
uint32 mctl_init(void)
{
//***********************************************
// dram system init
//***********************************************
mctl_sys_init();
//***********************************************
// dram dll init
//***********************************************
if(MCTL_CHANNEL_NUM == 2)
{
mctl_dll_init(0);
mctl_dll_init(1);
}
else
{
mctl_dll_init(0);
}
//release mctl reset
mctl_reset_release();
//***********************************************
// dram mctl & phy init
//***********************************************
if(MCTL_CHANNEL_NUM == 2)
{
mctl_channel_init(0);
mctl_channel_init(1);
}
else
{
mctl_channel_init(0);
}
//***********************************************
// dram com init
//***********************************************
mctl_com_init(MCTL_CHANNEL_NUM);
//***********************************************
// dram port configure
//***********************************************
mctl_port_cfg();
return (1);
}
