drivers/staging/renesas/rcar/ddr/ddr_a/ddr_init_d3.c

/*
 * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <stdint.h>
#include <lib/mmio.h>
#include <common/debug.h>

#include "boot_init_dram_regdef_d3.h"

#define RCAR_DDR_VERSION    "rev.0.01"

#if RCAR_LSI != RCAR_D3
#error "Don't have DDR initialize routine."
#endif

static void    WriteReg_32(uint32_t a, uint32_t v)
{
	(*(volatile uint32_t*)(uintptr_t)a) = v;
}

static uint32_t ReadReg_32(uint32_t a)
{
	uint32_t w = (*(volatile uint32_t*)(uintptr_t)a);
	return w;
}

static void init_ddr_d3_1866(void)
{
	uint32_t RegVal_R2, RegVal_R3, RegVal_R5, RegVal_R6, RegVal_R7, RegVal_R12;

   WriteReg_32(DBSC_D3_DBSYSCNT0,0x00001234);
   WriteReg_32(DBSC_D3_DBKIND,0x00000007);
   WriteReg_32(DBSC_D3_DBMEMCONF00,0x0f030a01);
   WriteReg_32(DBSC_D3_DBPHYCONF0,0x00000001);
   WriteReg_32(DBSC_D3_DBTR0,0x0000000D);
   WriteReg_32(DBSC_D3_DBTR1,0x00000009);
   WriteReg_32(DBSC_D3_DBTR2,0x00000000);
   WriteReg_32(DBSC_D3_DBTR3,0x0000000D);
   WriteReg_32(DBSC_D3_DBTR4,0x000D000D);
   WriteReg_32(DBSC_D3_DBTR5,0x0000002D);
   WriteReg_32(DBSC_D3_DBTR6,0x00000020);
   WriteReg_32(DBSC_D3_DBTR7,0x00060006);
   WriteReg_32(DBSC_D3_DBTR8,0x00000021);
   WriteReg_32(DBSC_D3_DBTR9,0x00000007);
   WriteReg_32(DBSC_D3_DBTR10,0x0000000E);
   WriteReg_32(DBSC_D3_DBTR11,0x0000000C);
   WriteReg_32(DBSC_D3_DBTR12,0x00140014);
   WriteReg_32(DBSC_D3_DBTR13,0x000000F2);
   WriteReg_32(DBSC_D3_DBTR14,0x00170006);
   WriteReg_32(DBSC_D3_DBTR15,0x00060005);
   WriteReg_32(DBSC_D3_DBTR16,0x09210507);
   WriteReg_32(DBSC_D3_DBTR17,0x040E0000);
   WriteReg_32(DBSC_D3_DBTR18,0x00000200);
   WriteReg_32(DBSC_D3_DBTR19,0x012B004B);
   WriteReg_32(DBSC_D3_DBTR20,0x020000FB);
   WriteReg_32(DBSC_D3_DBTR21,0x00040004);
   WriteReg_32(DBSC_D3_DBBL,0x00000000);
   WriteReg_32(DBSC_D3_DBODT0,0x00000001);
   WriteReg_32(DBSC_D3_DBADJ0,0x00000001);
   WriteReg_32(DBSC_D3_DBSYSCONF1,0x00000002);
   WriteReg_32(DBSC_D3_DBDFICNT0,0x00000010);
   WriteReg_32(DBSC_D3_DBBCAMDIS,0x00000001);
   WriteReg_32(DBSC_D3_DBSCHRW1,0x00000046);
   WriteReg_32(DBSC_D3_SCFCTST0,0x0D020D04);
   WriteReg_32(DBSC_D3_SCFCTST1,0x0306040C);

   WriteReg_32(DBSC_D3_DBPDLK0,0x0000A55A);
   WriteReg_32(DBSC_D3_DBCMD,0x01000001);
   WriteReg_32(DBSC_D3_DBCMD,0x08000000);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x80010000);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000008);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x000B8000);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000090);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x04058A04);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000091);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0007BB6B);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000095);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0007BBAD);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000099);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0007BB6B);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000090);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x04058A00);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000021);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0024641E);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00010073);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000090);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0C058A00);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000090);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x04058A00);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000003);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0780C700);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000007);
   while ( (BIT30 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000004);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0A206F89);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000022);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x1000040B);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000023);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x35A00D77);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000024);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x2A8A2C28);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000025);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x30005E00);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000026);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0014CB49);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000027);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00000F14);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000028);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00000046);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000029);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x000000A0);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x0000002C);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x81003047);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000020);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00181884);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x0000001A);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x33C03C10);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000A7);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0D0D0D0D);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000A8);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0D0D0D0D);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000A9);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x000D0D0D);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000C7);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0D0D0D0D);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000C8);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0D0D0D0D);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000C9);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x000D0D0D);

   WriteReg_32(DBSC_D3_DBPDRGA0,0x0000000E);
   RegVal_R2 = ((ReadReg_32(DBSC_D3_DBPDRGD0) & 0x0000FF00) >> 0x8) >> 0x1;
   RegVal_R3 = (RegVal_R2 << 16) + (RegVal_R2 << 8) + RegVal_R2;
   RegVal_R6 = (RegVal_R2 << 24) + (RegVal_R2 << 16) + (RegVal_R2 << 8) + RegVal_R2;
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000011);
   WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R3);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000012);
   WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R3);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000016);
   WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R6);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000017);
   WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R6);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000018);
   WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R6);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000019);
   WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R6);

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00010181);
   WriteReg_32(DBSC_D3_DBCMD,0x08000001);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00010601);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   for (uint32_t i = 0; i<2; i++)
   {
      WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B1 + i*0x20);
      RegVal_R5 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0x0000FF00) >> 0x8;
      WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B4 + i*0x20);
      RegVal_R6 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0x000000FF);
      WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B3 + i*0x20);
      RegVal_R7 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0x00000007);
      if ( RegVal_R6 > 0 )
      {
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFFF8);

         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | ((RegVal_R7 + 0x1) & 0x00000007));
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFF00);
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | RegVal_R6);
      } else
      {
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFFF8);
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | RegVal_R7);

         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFF00);
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | ((RegVal_R6 + ((RegVal_R5) << 1)) & 0x000000FF));
      }
   }

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000005);
   WriteReg_32(DBSC_D3_DBPDRGD0,0xC1AA00C0);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000A0);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x7C0002C5);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000C0);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x7C0002C5);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00010801);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000005);
   WriteReg_32(DBSC_D3_DBPDRGD0,0xC1AA00D8);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0001F001);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000AF);
   RegVal_R2 = ReadReg_32(DBSC_D3_DBPDRGD0);
   WriteReg_32(DBSC_D3_DBPDRGD0,(((RegVal_R2 + 0x1) & 0x000000FF) | (RegVal_R2 & 0xFFFFFF00)));
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000CF);
   RegVal_R2 = ReadReg_32(DBSC_D3_DBPDRGD0);
   WriteReg_32(DBSC_D3_DBPDRGD0,(((RegVal_R2 + 0x1) & 0x000000FF) | (RegVal_R2 & 0xFFFFFF00)));

   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000A0);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x7C000285);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000C0);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x7C000285);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x0000002C);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x81003087);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00010401);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   for (uint32_t i = 0; i < 2; i++)
   {
      WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B1 + i*0x20);
      RegVal_R5 = ((ReadReg_32(DBSC_D3_DBPDRGD0) & 0x0000FF00) >> 0x8);
      WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B4 + i*0x20);
      RegVal_R6 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0x000000FF);

      WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B3 + i*0x20);
      RegVal_R7 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0x00000007);
      RegVal_R12 = (RegVal_R5 >> 0x2);
      if ( RegVal_R12 < RegVal_R6 )
      {
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFFF8);

         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | ((RegVal_R7 + 0x1) & 0x00000007));
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFF00);

         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | ((RegVal_R6 - (RegVal_R12)) & 0x000000FF));
      }
      else
      {
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFFF8);
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | (RegVal_R7 & 0x00000007));
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFF00);
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | ((RegVal_R6 + (RegVal_R5) + ((RegVal_R5) >> 1) + (RegVal_R12)) & 0x000000FF));
      }
   }

   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000A0);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x7C0002C5);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000C0);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x7C0002C5);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00015001);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000003);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0380C700);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000007);
   while ( (BIT30 & ReadReg_32(DBSC_D3_DBPDRGD0)) != 0 );
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000021);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0024643E);

   WriteReg_32(DBSC_D3_DBBUS0CNF1,0x00000010);
   WriteReg_32(DBSC_D3_DBCALCNF,0x0100401B);
   WriteReg_32(DBSC_D3_DBRFCNF1,0x00080E23);
   WriteReg_32(DBSC_D3_DBRFCNF2,0x00010000);
   WriteReg_32(DBSC_D3_DBDFICUPDCNF,0x40100001);
   WriteReg_32(DBSC_D3_DBRFEN,0x00000001);
   WriteReg_32(DBSC_D3_DBACEN,0x00000001);
   WriteReg_32(DBSC_D3_DBPDLK0,0x00000000);
   WriteReg_32(DBSC_D3_DBSYSCNT0,0x00000000);

#ifdef ddr_qos_init_setting // only for non qos_init
   WriteReg_32(DBSC_D3_DBSYSCNT0,0x00001234);
   WriteReg_32(DBSC_D3_DBCAM0CNF1,0x00043218);
   WriteReg_32(DBSC_D3_DBCAM0CNF2,0x000000F4);
   WriteReg_32(DBSC_D3_DBSCHCNT0,0x000f0037);
   WriteReg_32(DBSC_D3_DBSCHSZ0,0x00000001);
   WriteReg_32(DBSC_D3_DBSCHRW0,0x22421111);
   WriteReg_32(DBSC_D3_SCFCTST2,0x012F1123);
   WriteReg_32(DBSC_D3_DBSCHQOS00,0x00000F00);
   WriteReg_32(DBSC_D3_DBSCHQOS01,0x00000B00);
   WriteReg_32(DBSC_D3_DBSCHQOS02,0x00000000);
   WriteReg_32(DBSC_D3_DBSCHQOS03,0x00000000);
   WriteReg_32(DBSC_D3_DBSCHQOS40,0x00000300);
   WriteReg_32(DBSC_D3_DBSCHQOS41,0x000002F0);
   WriteReg_32(DBSC_D3_DBSCHQOS42,0x00000200);
   WriteReg_32(DBSC_D3_DBSCHQOS43,0x00000100);
   WriteReg_32(DBSC_D3_DBSCHQOS90,0x00000300);
   WriteReg_32(DBSC_D3_DBSCHQOS91,0x000002F0);
   WriteReg_32(DBSC_D3_DBSCHQOS92,0x00000200);
   WriteReg_32(DBSC_D3_DBSCHQOS93,0x00000100);
   WriteReg_32(DBSC_D3_DBSCHQOS130,0x00000100);
   WriteReg_32(DBSC_D3_DBSCHQOS131,0x000000F0);
   WriteReg_32(DBSC_D3_DBSCHQOS132,0x000000A0);
   WriteReg_32(DBSC_D3_DBSCHQOS133,0x00000040);
   WriteReg_32(DBSC_D3_DBSCHQOS140,0x000000C0);
   WriteReg_32(DBSC_D3_DBSCHQOS141,0x000000B0);
   WriteReg_32(DBSC_D3_DBSCHQOS142,0x00000080);
   WriteReg_32(DBSC_D3_DBSCHQOS143,0x00000040);
   WriteReg_32(DBSC_D3_DBSCHQOS150,0x00000040);
   WriteReg_32(DBSC_D3_DBSCHQOS151,0x00000030);
   WriteReg_32(DBSC_D3_DBSCHQOS152,0x00000020);
   WriteReg_32(DBSC_D3_DBSCHQOS153,0x00000010);
   WriteReg_32(0xE67F0018,0x00000001);
   WriteReg_32(DBSC_D3_DBSYSCNT0,0x00000000);
#endif
}

static void init_ddr_d3_1600(void)
{
	uint32_t RegVal_R2, RegVal_R3, RegVal_R5, RegVal_R6, RegVal_R7, RegVal_R12;

   WriteReg_32(DBSC_D3_DBSYSCNT0,0x00001234);
   WriteReg_32(DBSC_D3_DBKIND,0x00000007);
   WriteReg_32(DBSC_D3_DBMEMCONF00,0x0f030a01);
   WriteReg_32(DBSC_D3_DBPHYCONF0,0x00000001);
   WriteReg_32(DBSC_D3_DBTR0,0x0000000B);
   WriteReg_32(DBSC_D3_DBTR1,0x00000008);
   WriteReg_32(DBSC_D3_DBTR2,0x00000000);
   WriteReg_32(DBSC_D3_DBTR3,0x0000000B);
   WriteReg_32(DBSC_D3_DBTR4,0x000B000B);
   WriteReg_32(DBSC_D3_DBTR5,0x00000027);
   WriteReg_32(DBSC_D3_DBTR6,0x0000001C);
   WriteReg_32(DBSC_D3_DBTR7,0x00060006);
   WriteReg_32(DBSC_D3_DBTR8,0x00000020);
   WriteReg_32(DBSC_D3_DBTR9,0x00000006);
   WriteReg_32(DBSC_D3_DBTR10,0x0000000C);
   WriteReg_32(DBSC_D3_DBTR11,0x0000000A);
   WriteReg_32(DBSC_D3_DBTR12,0x00120012);
   WriteReg_32(DBSC_D3_DBTR13,0x000000D0);
   WriteReg_32(DBSC_D3_DBTR14,0x00140005);
   WriteReg_32(DBSC_D3_DBTR15,0x00050004);
   WriteReg_32(DBSC_D3_DBTR16,0x071F0305);
   WriteReg_32(DBSC_D3_DBTR17,0x040C0000);
   WriteReg_32(DBSC_D3_DBTR18,0x00000200);
   WriteReg_32(DBSC_D3_DBTR19,0x01000040);
   WriteReg_32(DBSC_D3_DBTR20,0x020000D8);
   WriteReg_32(DBSC_D3_DBTR21,0x00040004);
   WriteReg_32(DBSC_D3_DBBL,0x00000000);
   WriteReg_32(DBSC_D3_DBODT0,0x00000001);
   WriteReg_32(DBSC_D3_DBADJ0,0x00000001);
   WriteReg_32(DBSC_D3_DBSYSCONF1,0x00000002);
   WriteReg_32(DBSC_D3_DBDFICNT0,0x00000010);
   WriteReg_32(DBSC_D3_DBBCAMDIS,0x00000001);
   WriteReg_32(DBSC_D3_DBSCHRW1,0x00000046);
   WriteReg_32(DBSC_D3_SCFCTST0,0x0D020C04);
   WriteReg_32(DBSC_D3_SCFCTST1,0x0305040C);

   WriteReg_32(DBSC_D3_DBPDLK0,0x0000A55A);
   WriteReg_32(DBSC_D3_DBCMD,0x01000001);
   WriteReg_32(DBSC_D3_DBCMD,0x08000000);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x80010000);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000008);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x000B8000);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000090);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x04058904);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000091);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0007BB6B);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000095);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0007BBAD);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000099);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0007BB6B);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000090);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x04058900);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000021);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0024641E);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00010073);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000090);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0C058900);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000090);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x04058900);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000003);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0780C700);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000007);
   while ( (BIT30 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000004);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x08C05FF0);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000022);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x1000040B);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000023);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x2D9C0B66);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000024);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x2A88C400);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000025);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x30005200);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000026);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0014A9C9);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000027);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00000D70);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000028);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00000046);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000029);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00000098);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x0000002C);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x81003047);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000020);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00181884);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x0000001A);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x33C03C10);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000A7);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0D0D0D0D);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000A8);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0D0D0D0D);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000A9);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x000D0D0D);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000C7);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0D0D0D0D);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000C8);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0D0D0D0D);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000C9);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x000D0D0D);

   WriteReg_32(DBSC_D3_DBPDRGA0,0x0000000E);
   RegVal_R2 = ((ReadReg_32(DBSC_D3_DBPDRGD0) & 0x0000FF00) >> 0x8) >> 0x1;
   RegVal_R3 = (RegVal_R2 << 16) + (RegVal_R2 << 8) + RegVal_R2;
   RegVal_R6 = (RegVal_R2 << 24) + (RegVal_R2 << 16) + (RegVal_R2 << 8) + RegVal_R2;
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000011);
   WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R3);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000012);
   WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R3);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000016);
   WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R6);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000017);
   WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R6);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000018);
   WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R6);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000019);
   WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R6);

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00010181);
   WriteReg_32(DBSC_D3_DBCMD,0x08000001);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00010601);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   for (uint32_t i = 0; i<2; i++)
   {
      WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B1 + i*0x20);
      RegVal_R5 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0x0000FF00) >> 0x8;
      WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B4 + i*0x20);
      RegVal_R6 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0x000000FF);
      WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B3 + i*0x20);
      RegVal_R7 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0x00000007);
      if ( RegVal_R6 > 0 )
      {
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFFF8);

         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | ((RegVal_R7 + 0x1) & 0x00000007));
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFF00);
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | RegVal_R6);
      } else
      {
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFFF8);
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | RegVal_R7);

         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFF00);
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | ((RegVal_R6 + ((RegVal_R5) << 1)) & 0x000000FF));
      }
   }

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000005);
   WriteReg_32(DBSC_D3_DBPDRGD0,0xC1AA00C0);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000A0);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x7C0002C5);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000C0);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x7C0002C5);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00010801);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000005);
   WriteReg_32(DBSC_D3_DBPDRGD0,0xC1AA00D8);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0001F001);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000AF);
   RegVal_R2 = ReadReg_32(DBSC_D3_DBPDRGD0);
   WriteReg_32(DBSC_D3_DBPDRGD0,(((RegVal_R2 + 0x1) & 0x000000FF) | (RegVal_R2 & 0xFFFFFF00)));
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000CF);
   RegVal_R2 = ReadReg_32(DBSC_D3_DBPDRGD0);
   WriteReg_32(DBSC_D3_DBPDRGD0,(((RegVal_R2 + 0x1) & 0x000000FF) | (RegVal_R2 & 0xFFFFFF00)));

   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000A0);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x7C000285);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000C0);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x7C000285);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x0000002C);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x81003087);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00010401);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   for (uint32_t i = 0; i < 2; i++)
   {
      WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B1 + i*0x20);
      RegVal_R5 = ((ReadReg_32(DBSC_D3_DBPDRGD0) & 0x0000FF00) >> 0x8);
      WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B4 + i*0x20);
      RegVal_R6 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0x000000FF);

      WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B3 + i*0x20);
      RegVal_R7 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0x00000007);
      RegVal_R12 = (RegVal_R5 >> 0x2);
      if ( RegVal_R12 < RegVal_R6 )
      {
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFFF8);

         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | ((RegVal_R7 + 0x1) & 0x00000007));
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFF00);

         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | ((RegVal_R6 - (RegVal_R12)) & 0x000000FF));
      }
      else
      {
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFFF8);
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B2 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | (RegVal_R7 & 0x00000007));
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         RegVal_R2 = (ReadReg_32(DBSC_D3_DBPDRGD0) & 0xFFFFFF00);
         WriteReg_32(DBSC_D3_DBPDRGA0,0x000000B0 + i*0x20);
         WriteReg_32(DBSC_D3_DBPDRGD0,RegVal_R2 | ((RegVal_R6 + (RegVal_R5) + ((RegVal_R5) >> 1) + (RegVal_R12)) & 0x000000FF));
      }
   }
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000A0);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x7C0002C5);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x000000C0);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x7C0002C5);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000001);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x00015001);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000006);
   while ( (BIT0 & ReadReg_32(DBSC_D3_DBPDRGD0)) == 0 );

   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000003);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0380C700);
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000007);
   while ( (BIT30 & ReadReg_32(DBSC_D3_DBPDRGD0)) != 0 );
   WriteReg_32(DBSC_D3_DBPDRGA0,0x00000021);
   WriteReg_32(DBSC_D3_DBPDRGD0,0x0024643E);

   WriteReg_32(DBSC_D3_DBBUS0CNF1,0x00000010);
   WriteReg_32(DBSC_D3_DBCALCNF,0x0100401B);
   WriteReg_32(DBSC_D3_DBRFCNF1,0x00080C30);
   WriteReg_32(DBSC_D3_DBRFCNF2,0x00010000);
   WriteReg_32(DBSC_D3_DBDFICUPDCNF,0x40100001);
   WriteReg_32(DBSC_D3_DBRFEN,0x00000001);
   WriteReg_32(DBSC_D3_DBACEN,0x00000001);
   WriteReg_32(DBSC_D3_DBPDLK0,0x00000000);
   WriteReg_32(DBSC_D3_DBSYSCNT0,0x00000000);

#ifdef ddr_qos_init_setting // only for non qos_init
   WriteReg_32(DBSC_D3_DBSYSCNT0,0x00001234);
   WriteReg_32(DBSC_D3_DBCAM0CNF1,0x00043218);
   WriteReg_32(DBSC_D3_DBCAM0CNF2,0x000000F4);
   WriteReg_32(DBSC_D3_DBSCHCNT0,0x000f0037);
   WriteReg_32(DBSC_D3_DBSCHSZ0,0x00000001);
   WriteReg_32(DBSC_D3_DBSCHRW0,0x22421111);
   WriteReg_32(DBSC_D3_SCFCTST2,0x012F1123);
   WriteReg_32(DBSC_D3_DBSCHQOS00,0x00000F00);
   WriteReg_32(DBSC_D3_DBSCHQOS01,0x00000B00);
   WriteReg_32(DBSC_D3_DBSCHQOS02,0x00000000);
   WriteReg_32(DBSC_D3_DBSCHQOS03,0x00000000);
   WriteReg_32(DBSC_D3_DBSCHQOS40,0x00000300);
   WriteReg_32(DBSC_D3_DBSCHQOS41,0x000002F0);
   WriteReg_32(DBSC_D3_DBSCHQOS42,0x00000200);
   WriteReg_32(DBSC_D3_DBSCHQOS43,0x00000100);
   WriteReg_32(DBSC_D3_DBSCHQOS90,0x00000300);
   WriteReg_32(DBSC_D3_DBSCHQOS91,0x000002F0);
   WriteReg_32(DBSC_D3_DBSCHQOS92,0x00000200);
   WriteReg_32(DBSC_D3_DBSCHQOS93,0x00000100);
   WriteReg_32(DBSC_D3_DBSCHQOS130,0x00000100);
   WriteReg_32(DBSC_D3_DBSCHQOS131,0x000000F0);
   WriteReg_32(DBSC_D3_DBSCHQOS132,0x000000A0);
   WriteReg_32(DBSC_D3_DBSCHQOS133,0x00000040);
   WriteReg_32(DBSC_D3_DBSCHQOS140,0x000000C0);
   WriteReg_32(DBSC_D3_DBSCHQOS141,0x000000B0);
   WriteReg_32(DBSC_D3_DBSCHQOS142,0x00000080);
   WriteReg_32(DBSC_D3_DBSCHQOS143,0x00000040);
   WriteReg_32(DBSC_D3_DBSCHQOS150,0x00000040);
   WriteReg_32(DBSC_D3_DBSCHQOS151,0x00000030);
   WriteReg_32(DBSC_D3_DBSCHQOS152,0x00000020);
   WriteReg_32(DBSC_D3_DBSCHQOS153,0x00000010);
   WriteReg_32(0xE67F0018,0x00000001);
   WriteReg_32(DBSC_D3_DBSYSCNT0,0x00000000);
#endif
}

#define PRR			(0xFFF00044U)
#define PRR_PRODUCT_MASK	(0x00007F00U)
#define PRR_PRODUCT_D3		(0x00005800U)

#define	RST_MODEMR		(0xE6160060)
#define	MODEMR_MD19		(0x00080000U)

int32_t rcar_dram_init(void)
{
	uint32_t reg;
	uint32_t ddr_mbps;

	reg = mmio_read_32(PRR);

	if (PRR_PRODUCT_D3 != (reg & PRR_PRODUCT_MASK)) {
		ERROR("LSI Product ID (PRR=0x%x) DDR initialize not supported.\n",
		      reg);
		panic();
	}

	reg = mmio_read_32(RST_MODEMR);
	if (MODEMR_MD19 == (reg & MODEMR_MD19)) {
		init_ddr_d3_1866();
		ddr_mbps = 1866;
	} else {
		init_ddr_d3_1600();
		ddr_mbps = 1600;
	}

	NOTICE("BL2: DDR%d\n", ddr_mbps);

	return 0;
}