/*----------------------------------------------------- DDR3A : DDR1333, 64bit--------------------------------------------------------------------------*/

ddr3A_64bit_DDR1333_setup()
{
unsigned int multiplier = 39;
        unsigned int divider = 0;
        int temp,i, delay=1000;
        unsigned int OD_val = 12;
    KICK0 = 0x83E70B13;
    KICK1 = 0x95A4F1E0;


//1.    Poll for IDONE=1 in the PHY General Status Register 0 (address offset 0x010).
         do {
    read_val = DDR3A_PGSR0;
    } while ((read_val&0x00000001) != 0x00000001);

//      Clocks are enabled and frequency is stable---------------------------------------
        // DDR3A PLL setup
        GEL_TextOut ( "DDR3 PLL Setup ... \n");
    // DDR3APLLCTL0 = DDR3APLLCTL0 & 0xFF7FFFFF;
        // Set ENSAT = 1
        DDR3APLLCTL1 |= 0x00000040;
        // Put the PLL in PLL Mode
        DDR3APLLCTL0 |= 0x00800000;

        // Program the necessary multipliers/dividers and BW adjustments
    // Set the divider values
        DDR3APLLCTL0 &= ~(0x0000003F);
        DDR3APLLCTL0 |= (divider & 0x0000003F);
    // Program OD[3:0] in the SECCTL register
    DDR3APLLCTL0 &= OUTPUT_DIVIDE_MASK;  // clear the OD bit field
    DDR3APLLCTL0 |= ~OUTPUT_DIVIDE_MASK & (OD_val - 1) << OUTPUT_DIVIDE_OFFSET;  // set the OD[3:0] bit field of PLLD to OD_val
        // Set the Multipler values
        DDR3APLLCTL0 &= ~(0x0007FFC0);
        DDR3APLLCTL0 |= ((multiplier << 6) & 0x0007FFC0 );
        temp = ((multiplier + 1) >> 1) - 1;
        DDR3APLLCTL0 &= ~(0xFF000000);
        DDR3APLLCTL0 |= ((temp << 24) & 0xFF000000);
        DDR3APLLCTL1 &= ~(0x0000000F);
        DDR3APLLCTL1 |= ((temp >> 8) & 0x0000000F);

        // In PLL Controller, reset the PLL (bit 13 in DDR3APLLCTL1 register)
        DDR3APLLCTL1 |= 0x00004000;
        for(i=0;i<delay;i++);
        // In DDR3PLLCTL1, write PLLRST = 0 to bring PLL out of reset
    DDR3APLLCTL1 &= ~(0x00004000);
        for(i=0;i<delay;i++);

        // Put the PLL in PLL Mode
        DDR3APLLCTL0 &= ~(0x00800000); // ReSet the Bit 23
                GEL_TextOut( "DDR3 PLL Setup complete, DDR3A clock now running at 666 MHz.\n" );
//DDR3A PLL setup complete ---------------------------------------

    /*------------------------------- ECO FIX -----------------------------------------*/
    /*----------------------------- LEVELING FIX --------------------------------------*/
    // DDR3 write leveling ECO - Assert & release DDR PHY RESET after DDR PLL setup...
    DDR3APLLCTL1 = DDR3APLLCTL1 | 0x80000000;   //Assert DDR PHY reset after PLL enabled
    for(i=0;i<delay;i++);
    DDR3APLLCTL1 = DDR3APLLCTL1 & 0x7FFFFFFF;   //Release DDR PHY reset

    do {   // Poll IDONE after resetting PHY
        read_val = DDR3A_PGSR0;
    } while ((read_val&0x00000001) != 0x00000001);

/*------------------------- Start PHY Configuration -------------------------------*/

 //DDR3A_PGCR1 = 0x0280C487;

        //5.a   Program FRQSEL in the PLL Control Register (address offset 0x018).
        DDR3A_PLLCR = 0xDE000; //Set FRQSEL=11, for ctl_clk between 166-275MHz

        //5.b.  Program WLSTEP=1, IODDRM=1, and ZCKSEL in the PHY General Configuration Register 1 (address offset 0x00C).
        DDR3A_PGCR1 |= (1 << 2); //WLSTEP = 1

        DDR3A_PGCR1 &= ~(IODDRM_MASK);
        DDR3A_PGCR1 |= (( 1 << 7) & IODDRM_MASK);

        DDR3A_PGCR1 &= ~(ZCKSEL_MASK);
        DDR3A_PGCR1 |= (( 1 << 23) & ZCKSEL_MASK);

        //5.c.  Program PHY Timing Parameters Register 0-4 (address offset 0x01C - 0x02C).
        DDR3A_PTR0 = 0x42C21590;
        DDR3A_PTR1 = 0xD05612C0;

        // Maintaining default values of Phy Timing Parameters Register 2 in PUB
        DDR3A_PTR3 = 0x0B4515C2;//0x072515C2; //0x0B4515C2;//0x18061A80;
        DDR3A_PTR4 = 0x0A6E08B4;//0x0AAE7100;

        //5.d.  Program PDQ, MPRDQ, and BYTEMASK in the DRAM Configuration Register (address offset 0x044).
        //              All other fields must be left at their default values.
        DDR3A_DCR &= ~(PDQ_MASK); //PDQ = 0
        DDR3A_DCR &= ~(MPRDQ_MASK); //MPRDQ = 0

        DDR3A_DCR &= ~(BYTEMASK_MASK);
        DDR3A_DCR |= (( 1 << 10) & BYTEMASK_MASK);

        //Uncomment for Dual-Rank, Address Mirrored DIMMS
        //DDR3A_DCR &= ~(NOSRA_MASK);
        //DDR3A_DCR |= (( 1 << 27) & NOSRA_MASK);
        //DDR3A_DCR &= ~(UDIMM_MASK);
        //DDR3A_DCR |= (( 1 << 29) & UDIMM_MASK);

        //5.e.  Program DRAM Timing Parameters Register 0-2 (address offset 0x048 - 0x050).
        DDR3A_DTPR0 = 0x8558AA75;//0x85589975;//0x8558AA55;
        DDR3A_DTPR1 = 0x32857280;//0x12857280;//0x12835A80;//0x12857280;
        DDR3A_DTPR2 = 0x5002C200;

        //5.f.  Program BL=0, CL, WR, and PD=1 in the Mode Register 0 (address offset 0x054).
        //All other fields must be left at their default values.
        DDR3A_MR0 = 0x00001A60; //50

        //5.g.  Program DIC, RTT, and TDQS in the Mode Register 1 (address offset 0x058).
        //All other fields must be left at their default values.
        DDR3A_MR1 = 0x00000006;

//---------------------------------------------------------------------------------------------------------

        //5.h.  Program Mode Register 2 (address offset 0x05C).
        // Maintaining default values of Program Mode Register 2
        DDR3A_MR2 = 0x00000010;

        //5.i.  Program DTMPR=1, DTEXD, DTEXG, RANKEN=1 or 3, and RFSHDT=7 in the Data Training Configuration Register (address offset 0x068).
        //All other fields must be left at their default values.
        DDR3A_DTCR = 0x710035C7;        //Single-Rank //0x730035C7;
        //DDR3A_DTCR = 0x730035C7;      //Dual-Rank

        //5.j.  Program tREFPRD=(5*tREFI/ddr_clk_period) in the PHY General Configuration Register 2 (address offset 0x08C).
        //All other fields must be left at their default values.

        DDR3A_PGCR2 = 0x00F065B8; //NOBUB = 0, FXDLAT = 0
        //DDR3A_PGCR2 = 0x00F83D09; //NOBUB = 0, FXDLAT = 1

        //Set Impedence Register
        DDR3A_ZQ0CR1 = 0x0001005D;
        DDR3A_ZQ1CR1 = 0x0001005B;
        DDR3A_ZQ2CR1 = 0x0001005B;
        //DDR3A_ZQ3CR1 = 0x0000005D;

        //6.    Re-trigger PHY initialization in DDR PHY through the VBUSP interface.
        //6.a.  Program 0x00000033 to the PHY Initialization Register (address offset 0x004) to re-trigger PLL, ZCAL, and DCAL initialization.
        DDR3A_PIR = 0x00000033;

        //6.b.  Poll for IDONE=1 in the PHY General Status Register 0 (address offset 0x010).
     do {
                read_val = DDR3A_PGSR0;
    } while ((read_val&0x00000001) != 0x00000001);

//---------------------------------------------------------------------------------------------------------

        // 7.   Trigger DDR3 initialization and leveling/training in DDR PHY through the VBUSP interface.
        // a.   If using a 16-bit wide DDR interface, program DXEN=0 in the DATX8 2-7 General Configuration Registers (address offsets 0x240, 0x280, 0x2C0, 0x300, 0x340, and 0x380) to disable the leveling/training for the upper byte lanes.
        // b.   If using a 32-bit wide DDR interface, program DXEN=0 in the DATX8 4-7 General Configuration Registers (address offsets 0x2C0, 0x300, 0x340, and 0x380) to disable the leveling/training for the upper byte lanes.
        // c.   If ECC is not required, program DXEN=0 in the DATX8 8 General Configuration Register (address offset 0x3C0) to disable the leveling/training for the ECC byte lane.
        // NOTE: Setup supports 64-bit by default,  ECC enable by default.

        //7.d.  Program 0x0000XF81 to the PHY Initialization Register (address offset 0x004) to trigger DDR3 initialization and leveling/training sequences
        DDR3A_PIR = 0x0000FF81; //WLADJ - ON
        //DDR3A_PIR = 0x00000781;  //WLADJ - OFF


//---------------------------------------------------------------------------------------------------------

        //7.e.  Poll for IDONE=1 in the PHY General Status Register 0 (address offset 0x010).
        do {
                read_val = DDR3A_PGSR0;
        } while ((read_val&0x00000001) != 0x00000001);


        /* End PHY Configuration */
//---------------------------------------------------------------------------------------------------------
/* START EMIF INITIALIZATION
  ++++++++++++++++++SDCFG Register Calculation+++++++++++++++++++
  | 31 - 29  | 28 |27 - 25 | 24   | 23 - 22| 21 - 17 |
  |SDRAM_TYPE|Rsvd|DDR_TERM| DDQS | DYN_ODT|  Rsvd   |
  |  0x011   |  0 | 0x011  | 0x1  |   0x00 |   0x0   |

  | 16-14 |13 - 12 |  11 - 8 |  7   |6 - 5 |  4  |  3  |  2  |  1 - 0  |
  |   CWL | NM     |   CL    | Rsvd |IBANK | Rsvd|EBANK| Rsvd|PAGE_SIZE|
  |  0x11 | 0x00   |  0x1110 |  0x0 | 0x11 | 0x0 |  0  |  0  |   0x10  |
  SDCFG = 0x0110 0011 0010 0010 0011 0011 1011 0010
  SDCFG = 0x6700486A;//0x63223332

  SDRAM_TYPE = 3
  DDR_TERM = 3 (RZQ/4 = 1; RZQ/6=3)
  DDQS = 1
  DYN_ODT = 0

  CWL = 3 (CWL5=0; CWL6=1; CWL7=2; CWL8=3)
  NM = 0 (64-bit=0, 32-bit=1, 16-bit=2)
  CL = 14 (CL5=2; CL6=4; CL7=6; CL8=8; CL9=10; CL10=12; CL11=14)
  IBANK = 3 (8bank)
  EBANK = 0 (0 - pad_cs_o_n[0] , 1 - pad_cs_o_n[1:0])
  PAGE_SIZE = 2 (1024page-size=2; 2048page-size=3)
*/
/* Start DDR3A EMIF Configuration */
        //8.    Configure the EMIF through the VBUSM interface.
        //8.a.  Program all EMIF MMR<92>s.
        DDR3A_SDCFG    = 0x62008C62;    //Single-Rank 9A62//0x62008C62  ;//0x6600CE62=single rank,0x6600CE6A=dual rank
        //DDR3A_SDCFG  = 0x62008C6A;    //Dual-Rank

    DDR3A_SDTIM1   = 0x125C8044;//0x125C8046;//0x125C8044;
    DDR3A_SDTIM2   = 0x00001D29;//0x00001D08; //29
    DDR3A_SDTIM3   = 0x32CDFF43;//0x31C5FF43;//0x32CDFF43;
        DDR3A_SDTIM4   = 0x543F0ADF;//0x543F06AF;//0x543F0ADF;

        DDR3A_ZQCFG    = 0x70073200;    //Single-Rank
        //DDR3A_ZQCFG    = 0xF0073200;  //Dual-Rank

        //8.b.  Program reg_initref_dis=0 in the SDRAM Refresh Control Register (address offset 0x10).
    DDR3A_SDRFC = 0x00001457;

        GEL_TextOut("DDR3A initialization complete \n");
           /* End  DDR3A EMIF Configuration */
}