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bootloader/u-boot_2015_04/board/udoo/ddr-setup.cfg 2.77 KB
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  /*
   * Copyright (C) 2013 Boundary Devices
   *
   * SPDX-License-Identifier:	GPL-2.0+
   *
   * Device Configuration Data (DCD)
   *
   * Each entry must have the format:
   * Addr-type           Address        Value
   *
   * where:
   *      Addr-type register length (1,2 or 4 bytes)
   *      Address   absolute address of the register
   *      value     value to be stored in the register
   */
  
  /*
   * DDR3 settings
   * MX6Q    ddr is limited to 1066 Mhz	currently 1056 MHz(528 MHz clock),
   *	   memory bus width: 64 bits	x16/x32/x64
   * MX6DL   ddr is limited to 800 MHz(400 MHz clock)
   *	   memory bus width: 64 bits	x16/x32/x64
   * MX6SOLO ddr is limited to 800 MHz(400 MHz clock)
   *	   memory bus width: 32 bits	x16/x32
   */
  DATA 4, MX6_IOM_DRAM_SDQS0, 0x00000030
  DATA 4, MX6_IOM_DRAM_SDQS1, 0x00000030
  DATA 4, MX6_IOM_DRAM_SDQS2, 0x00000030
  DATA 4, MX6_IOM_DRAM_SDQS3, 0x00000030
  DATA 4, MX6_IOM_DRAM_SDQS4, 0x00000030
  DATA 4, MX6_IOM_DRAM_SDQS5, 0x00000030
  DATA 4, MX6_IOM_DRAM_SDQS6, 0x00000030
  DATA 4, MX6_IOM_DRAM_SDQS7, 0x00000030
  
  DATA 4, MX6_IOM_GRP_B0DS, 0x00000030
  DATA 4, MX6_IOM_GRP_B1DS, 0x00000030
  DATA 4, MX6_IOM_GRP_B2DS, 0x00000030
  DATA 4, MX6_IOM_GRP_B3DS, 0x00000030
  DATA 4, MX6_IOM_GRP_B4DS, 0x00000030
  DATA 4, MX6_IOM_GRP_B5DS, 0x00000030
  DATA 4, MX6_IOM_GRP_B6DS, 0x00000030
  DATA 4, MX6_IOM_GRP_B7DS, 0x00000030
  DATA 4, MX6_IOM_GRP_ADDDS, 0x00000030
  /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
  DATA 4, MX6_IOM_GRP_CTLDS, 0x00000030
  
  DATA 4, MX6_IOM_DRAM_DQM0, 0x00020030
  DATA 4, MX6_IOM_DRAM_DQM1, 0x00020030
  DATA 4, MX6_IOM_DRAM_DQM2, 0x00020030
  DATA 4, MX6_IOM_DRAM_DQM3, 0x00020030
  DATA 4, MX6_IOM_DRAM_DQM4, 0x00020030
  DATA 4, MX6_IOM_DRAM_DQM5, 0x00020030
  DATA 4, MX6_IOM_DRAM_DQM6, 0x00020030
  DATA 4, MX6_IOM_DRAM_DQM7, 0x00020030
  
  DATA 4, MX6_IOM_DRAM_CAS, 0x00020030
  DATA 4, MX6_IOM_DRAM_RAS, 0x00020030
  DATA 4, MX6_IOM_DRAM_SDCLK_0, 0x00020030
  DATA 4, MX6_IOM_DRAM_SDCLK_1, 0x00020030
  
  DATA 4, MX6_IOM_DRAM_RESET, 0x00020030
  DATA 4, MX6_IOM_DRAM_SDCKE0, 0x00003000
  DATA 4, MX6_IOM_DRAM_SDCKE1, 0x00003000
  
  DATA 4, MX6_IOM_DRAM_SDODT0, 0x00003030
  DATA 4, MX6_IOM_DRAM_SDODT1, 0x00003030
  
  /* (differential input) */
  DATA 4, MX6_IOM_DDRMODE_CTL, 0x00020000
  /* (differential input) */
  DATA 4, MX6_IOM_GRP_DDRMODE, 0x00020000
  /* disable ddr pullups */
  DATA 4, MX6_IOM_GRP_DDRPKE, 0x00000000
  DATA 4, MX6_IOM_DRAM_SDBA2, 0x00000000
  /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
  DATA 4, MX6_IOM_GRP_DDR_TYPE, 0x000C0000
  
  /* Read data DQ Byte0-3 delay */
  DATA 4, MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333
  DATA 4, MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333
  DATA 4, MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333
  DATA 4, MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333
  DATA 4, MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333
  DATA 4, MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333
  DATA 4, MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333
  DATA 4, MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333