board/Seagate/goflexhome/kwbimage.cfg

   1 #
   2 # Copyright (C) 2013 Suriyan Ramasami <suriyan.r@gmail.com>
   3 #
   4 # Based on dockstar/kwbimage.cfg originally written by
   5 # Copyright (C) 2010  Eric C. Cooper <ecc@cmu.edu>
   6 #
   7 # Based on sheevaplug/kwbimage.cfg originally written by
   8 # Prafulla Wadaskar <prafulla@marvell.com>
   9 # (C) Copyright 2009
  10 # Marvell Semiconductor <www.marvell.com>
  11 #
  12 # SPDX-License-Identifier:      GPL-2.0+
  13 #
  14 # Refer docs/README.kwimage for more details about how-to configure
  15 # and create kirkwood boot image
  16 #
  17
  18 # Boot Media configurations
  19 BOOT_FROM       nand
  20 NAND_ECC_MODE   default
  21 NAND_PAGE_SIZE  0x0800
  22
  23 # SOC registers configuration using bootrom header extension
  24 # Maximum KWBIMAGE_MAX_CONFIG configurations allowed
  25
  26 # Configure RGMII-0 interface pad voltage to 1.8V
  27 DATA 0xFFD100e0 0x1b1b1b9b
  28
  29 #Dram initalization for SINGLE x16 CL=5 @ 400MHz
  30 DATA 0xFFD01400 0x43000c30      # DDR Configuration register
  31 # bit13-0:  0xc30 (3120 DDR2 clks refresh rate)
  32 # bit23-14: zero
  33 # bit24: 1= enable exit self refresh mode on DDR access
  34 # bit25: 1 required
  35 # bit29-26: zero
  36 # bit31-30: 01
  37
  38 DATA 0xFFD01404 0x37543000      # DDR Controller Control Low
  39 # bit 4:    0=addr/cmd in smame cycle
  40 # bit 5:    0=clk is driven during self refresh, we don't care for APX
  41 # bit 6:    0=use recommended falling edge of clk for addr/cmd
  42 # bit14:    0=input buffer always powered up
  43 # bit18:    1=cpu lock transaction enabled
  44 # bit23-20: 5=recommended value for CL=5 and STARTBURST_DEL disabled bit31=0
  45 # bit27-24: 7= CL+2, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
  46 # bit30-28: 3 required
  47 # bit31:    0=no additional STARTBURST delay
  48
  49 DATA 0xFFD01408 0x22125451      # DDR Timing (Low) (active cycles value +1)
  50 # bit3-0:   TRAS lsbs
  51 # bit7-4:   TRCD
  52 # bit11- 8: TRP
  53 # bit15-12: TWR
  54 # bit19-16: TWTR
  55 # bit20:    TRAS msb
  56 # bit23-21: 0x0
  57 # bit27-24: TRRD
  58 # bit31-28: TRTP
  59
  60 DATA 0xFFD0140C 0x00000a33      #  DDR Timing (High)
  61 # bit6-0:   TRFC
  62 # bit8-7:   TR2R
  63 # bit10-9:  TR2W
  64 # bit12-11: TW2W
  65 # bit31-13: zero required
  66
  67 DATA 0xFFD01410 0x0000000d      #  DDR Address Control
  68 # bit1-0:   00, Cs0width=x8
  69 # bit3-2:   11, Cs0size=1Gb
  70 # bit5-4:   00, Cs1width=nonexistent
  71 # bit7-6:   00, Cs1size =nonexistent
  72 # bit9-8:   00, Cs2width=nonexistent
  73 # bit11-10: 00, Cs2size =nonexistent
  74 # bit13-12: 00, Cs3width=nonexistent
  75 # bit15-14: 00, Cs3size =nonexistent
  76 # bit16:    0,  Cs0AddrSel
  77 # bit17:    0,  Cs1AddrSel
  78 # bit18:    0,  Cs2AddrSel
  79 # bit19:    0,  Cs3AddrSel
  80 # bit31-20: 0 required
  81
  82 DATA 0xFFD01414 0x00000000      #  DDR Open Pages Control
  83 # bit0:    0,  OpenPage enabled
  84 # bit31-1: 0 required
  85
  86 DATA 0xFFD01418 0x00000000      #  DDR Operation
  87 # bit3-0:   0x0, DDR cmd
  88 # bit31-4:  0 required
  89
  90 DATA 0xFFD0141C 0x00000C52      #  DDR Mode
  91 # bit2-0:   2, BurstLen=2 required
  92 # bit3:     0, BurstType=0 required
  93 # bit6-4:   4, CL=5
  94 # bit7:     0, TestMode=0 normal
  95 # bit8:     0, DLL reset=0 normal
  96 # bit11-9:  6, auto-precharge write recovery ????????????
  97 # bit12:    0, PD must be zero
  98 # bit31-13: 0 required
  99
 100 DATA 0xFFD01420 0x00000040      #  DDR Extended Mode
 101 # bit0:    0,  DDR DLL enabled
 102 # bit1:    0,  DDR drive strenght normal
 103 # bit2:    0,  DDR ODT control lsd (disabled)
 104 # bit5-3:  000, required
 105 # bit6:    1,  DDR ODT control msb, (disabled)
 106 # bit9-7:  000, required
 107 # bit10:   0,  differential DQS enabled
 108 # bit11:   0, required
 109 # bit12:   0, DDR output buffer enabled
 110 # bit31-13: 0 required
 111
 112 DATA 0xFFD01424 0x0000F17F      #  DDR Controller Control High
 113 # bit2-0:  111, required
 114 # bit3  :  1  , MBUS Burst Chop disabled
 115 # bit6-4:  111, required
 116 # bit7  :  0
 117 # bit8  :  1  , add writepath sample stage, must be 1 for DDR freq >= 300MHz
 118 # bit9  :  0  , no half clock cycle addition to dataout
 119 # bit10 :  0  , 1/4 clock cycle skew enabled for addr/ctl signals
 120 # bit11 :  0  , 1/4 clock cycle skew disabled for write mesh
 121 # bit15-12: 1111 required
 122 # bit31-16: 0    required
 123
 124 DATA 0xFFD01428 0x00085520      # DDR2 ODT Read Timing (default values)
 125 DATA 0xFFD0147C 0x00008552      # DDR2 ODT Write Timing (default values)
 126
 127 DATA 0xFFD01500 0x00000000      # CS[0]n Base address to 0x0
 128 DATA 0xFFD01504 0x07FFFFF1      # CS[0]n Size
 129 # bit0:    1,  Window enabled
 130 # bit1:    0,  Write Protect disabled
 131 # bit3-2:  00, CS0 hit selected
 132 # bit23-4: ones, required
 133 # bit31-24: 0x07, Size (i.e. 128MB)
 134
 135 DATA 0xFFD01508 0x10000000      # CS[1]n Base address to 256Mb
 136 DATA 0xFFD0150C 0x00000000      # CS[1]n Size, window disabled
 137
 138 DATA 0xFFD01514 0x00000000      # CS[2]n Size, window disabled
 139 DATA 0xFFD0151C 0x00000000      # CS[3]n Size, window disabled
 140
 141 DATA 0xFFD01494 0x00030000      #  DDR ODT Control (Low)
 142 DATA 0xFFD01498 0x00000000      #  DDR ODT Control (High)
 143 # bit1-0:  00, ODT0 controlled by ODT Control (low) register above
 144 # bit3-2:  01, ODT1 active NEVER!
 145 # bit31-4: zero, required
 146
 147 DATA 0xFFD0149C 0x0000E803      # CPU ODT Control
 148 DATA 0xFFD01480 0x00000001      # DDR Initialization Control
 149 #bit0=1, enable DDR init upon this register write
 150
 151 # End of Header extension
 152 DATA 0x0 0x0