board/Marvell/dreamplug/kwbimage.cfg

   1 # SPDX-License-Identifier: GPL-2.0+
   2 #
   3 # (C) Copyright 2011
   4 # Jason Cooper <u-boot@lakedaemon.net>
   5 #
   6 # Based on work by:
   7 # Marvell Semiconductor <www.marvell.com>
   8 # Written-by: Siddarth Gore <gores@marvell.com>
   9 # Refer doc/README.kwbimage for more details about how-to configure
  10 # and create kirkwood boot image
  11 #
  12
  13 # Boot Media configurations
  14 BOOT_FROM       spi
  15
  16 # SOC registers configuration using bootrom header extension
  17 # Maximum KWBIMAGE_MAX_CONFIG configurations allowed
  18
  19 # Configure RGMII-0/1 interface pad voltage to 1.8V
  20 DATA 0xFFD100e0 0x1b1b9b9b
  21
  22 #Dram initalization for SINGLE x16 CL=5 @ 400MHz
  23 DATA 0xFFD01400 0x43000c30      # DDR Configuration register
  24 # bit13-0:  0xc30 (3120 DDR2 clks refresh rate)
  25 # bit23-14: zero
  26 # bit24: 1= enable exit self refresh mode on DDR access
  27 # bit25: 1 required
  28 # bit29-26: zero
  29 # bit31-30: 01
  30
  31 DATA 0xFFD01404 0x37543000      # DDR Controller Control Low
  32 # bit 4:    0=addr/cmd in smame cycle
  33 # bit 5:    0=clk is driven during self refresh, we don't care for APX
  34 # bit 6:    0=use recommended falling edge of clk for addr/cmd
  35 # bit14:    0=input buffer always powered up
  36 # bit18:    1=cpu lock transaction enabled
  37 # bit23-20: 5=recommended value for CL=5 and STARTBURST_DEL disabled bit31=0
  38 # bit27-24: 7= CL+2, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
  39 # bit30-28: 3 required
  40 # bit31:    0=no additional STARTBURST delay
  41
  42 DATA 0xFFD01408 0x22125451      # DDR Timing (Low) (active cycles value +1)
  43 # bit3-0:   TRAS lsbs
  44 # bit7-4:   TRCD
  45 # bit11- 8: TRP
  46 # bit15-12: TWR
  47 # bit19-16: TWTR
  48 # bit20:    TRAS msb
  49 # bit23-21: 0x0
  50 # bit27-24: TRRD
  51 # bit31-28: TRTP
  52
  53 DATA 0xFFD0140C 0x00000a33      #  DDR Timing (High)
  54 # bit6-0:   TRFC
  55 # bit8-7:   TR2R
  56 # bit10-9:  TR2W
  57 # bit12-11: TW2W
  58 # bit31-13: zero required
  59
  60 DATA 0xFFD01410 0x000000cc      #  DDR Address Control
  61 # bit1-0:   01, Cs0width=x8
  62 # bit3-2:   10, Cs0size=1Gb
  63 # bit5-4:   01, Cs1width=x8
  64 # bit7-6:   10, Cs1size=1Gb
  65 # bit9-8:   00, Cs2width=nonexistent
  66 # bit11-10: 00, Cs2size =nonexistent
  67 # bit13-12: 00, Cs3width=nonexistent
  68 # bit15-14: 00, Cs3size =nonexistent
  69 # bit16:    0,  Cs0AddrSel
  70 # bit17:    0,  Cs1AddrSel
  71 # bit18:    0,  Cs2AddrSel
  72 # bit19:    0,  Cs3AddrSel
  73 # bit31-20: 0 required
  74
  75 DATA 0xFFD01414 0x00000000      #  DDR Open Pages Control
  76 # bit0:    0,  OpenPage enabled
  77 # bit31-1: 0 required
  78
  79 DATA 0xFFD01418 0x00000000      #  DDR Operation
  80 # bit3-0:   0x0, DDR cmd
  81 # bit31-4:  0 required
  82
  83 DATA 0xFFD0141C 0x00000C52      #  DDR Mode
  84 # bit2-0:   2, BurstLen=2 required
  85 # bit3:     0, BurstType=0 required
  86 # bit6-4:   4, CL=5
  87 # bit7:     0, TestMode=0 normal
  88 # bit8:     0, DLL reset=0 normal
  89 # bit11-9:  6, auto-precharge write recovery ????????????
  90 # bit12:    0, PD must be zero
  91 # bit31-13: 0 required
  92
  93 DATA 0xFFD01420 0x00000040      #  DDR Extended Mode
  94 # bit0:    0,  DDR DLL enabled
  95 # bit1:    0,  DDR drive strenght normal
  96 # bit2:    0,  DDR ODT control lsd (disabled)
  97 # bit5-3:  000, required
  98 # bit6:    1,  DDR ODT control msb, (disabled)
  99 # bit9-7:  000, required
 100 # bit10:   0,  differential DQS enabled
 101 # bit11:   0, required
 102 # bit12:   0, DDR output buffer enabled
 103 # bit31-13: 0 required
 104
 105 DATA 0xFFD01424 0x0000F17F      #  DDR Controller Control High
 106 # bit2-0:  111, required
 107 # bit3  :  1  , MBUS Burst Chop disabled
 108 # bit6-4:  111, required
 109 # bit7  :  0
 110 # bit8  :  1  , add writepath sample stage, must be 1 for DDR freq >= 300MHz
 111 # bit9  :  0  , no half clock cycle addition to dataout
 112 # bit10 :  0  , 1/4 clock cycle skew enabled for addr/ctl signals
 113 # bit11 :  0  , 1/4 clock cycle skew disabled for write mesh
 114 # bit15-12: 1111 required
 115 # bit31-16: 0    required
 116
 117 DATA 0xFFD01428 0x00085520      # DDR2 ODT Read Timing (default values)
 118 DATA 0xFFD0147C 0x00008552      # DDR2 ODT Write Timing (default values)
 119
 120 DATA 0xFFD01500 0x00000000      # CS[0]n Base address to 0x0
 121 DATA 0xFFD01504 0x0FFFFFF1      # CS[0]n Size
 122 # bit0:    1,  Window enabled
 123 # bit1:    0,  Write Protect disabled
 124 # bit3-2:  00, CS0 hit selected
 125 # bit23-4: ones, required
 126 # bit31-24: 0x0F, Size (i.e. 256MB)
 127
 128 DATA 0xFFD01508 0x10000000      # CS[1]n Base address to 256Mb
 129 DATA 0xFFD0150C 0x0FFFFFF5      # CS[1]n Size 256Mb Window enabled for CS1
 130
 131 DATA 0xFFD01514 0x00000000      # CS[2]n Size, window disabled
 132 DATA 0xFFD0151C 0x00000000      # CS[3]n Size, window disabled
 133
 134 DATA 0xFFD01494 0x00030000      #  DDR ODT Control (Low)
 135 DATA 0xFFD01498 0x00000000      #  DDR ODT Control (High)
 136 # bit1-0:  00, ODT0 controlled by ODT Control (low) register above
 137 # bit3-2:  01, ODT1 active NEVER!
 138 # bit31-4: zero, required
 139
 140 DATA 0xFFD0149C 0x0000E803      # CPU ODT Control
 141 DATA 0xFFD01480 0x00000001      # DDR Initialization Control
 142 #bit0=1, enable DDR init upon this register write
 143
 144 # End of Header extension
 145 DATA 0x0 0x0