board/LaCie/net2big_v2/kwbimage.cfg

   1 # SPDX-License-Identifier: GPL-2.0+
   2 #
   3 # Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
   4 #
   5 # Based on Kirkwood support:
   6 # (C) Copyright 2009
   7 # Marvell Semiconductor <www.marvell.com>
   8 # Written-by: Prafulla Wadaskar <prafulla@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     # Boot from SPI flash
  15
  16 # SOC registers configuration using bootrom header extension
  17 # Maximum KWBIMAGE_MAX_CONFIG configurations allowed
  18
  19 # Configure RGMII-0 interface pad voltage to 1.8V
  20 DATA 0xFFD100e0 0x1B1B1B9B
  21
  22 #Dram initalization for SINGLE x16 CL=5 @ 400MHz
  23 DATA 0xFFD01400 0x43000C30      # DDR Configuration register
  24 # bit13-0:  0xa00 (2560 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 0x38743000      # 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: 8= CL+3, 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 # bit7-4:   TRCD
  44 # bit11- 8: TRP
  45 # bit15-12: TWR
  46 # bit19-16: TWTR
  47 # bit20:    TRAS msb
  48 # bit23-21: 0x0
  49 # bit27-24: TRRD
  50 # bit31-28: TRTP
  51
  52 DATA 0xFFD0140C 0x00000A32      #  DDR Timing (High)
  53 # bit6-0:   TRFC
  54 # bit8-7:   TR2R
  55 # bit10-9:  TR2W
  56 # bit12-11: TW2W
  57 # bit31-13: zero required
  58
  59 DATA 0xFFD01410 0x0000CCCC      #  DDR Address Control
  60 # bit1-0:   01, Cs0width=x16
  61 # bit3-2:   11, Cs0size=1Gb
  62 # bit5-4:   00, Cs2width=nonexistent
  63 # bit7-6:   00, Cs1size =nonexistent
  64 # bit9-8:   00, Cs2width=nonexistent
  65 # bit11-10: 00, Cs2size =nonexistent
  66 # bit13-12: 00, Cs3width=nonexistent
  67 # bit15-14: 00, Cs3size =nonexistent
  68 # bit16:    0,  Cs0AddrSel
  69 # bit17:    0,  Cs1AddrSel
  70 # bit18:    0,  Cs2AddrSel
  71 # bit19:    0,  Cs3AddrSel
  72 # bit31-20: 0 required
  73
  74 DATA 0xFFD01414 0x00000000      #  DDR Open Pages Control
  75 # bit0:    0,  OpenPage enabled
  76 # bit31-1: 0 required
  77
  78 DATA 0xFFD01418 0x00000000      #  DDR Operation
  79 # bit3-0:   0x0, DDR cmd
  80 # bit31-4:  0 required
  81
  82 DATA 0xFFD0141C 0x00000662      #  DDR Mode
  83 # bit2-0:   2, BurstLen=2 required
  84 # bit3:     0, BurstType=0 required
  85 # bit6-4:   4, CL=5
  86 # bit7:     0, TestMode=0 normal
  87 # bit8:     0, DLL reset=0 normal
  88 # bit11-9:  6, auto-precharge write recovery ????????????
  89 # bit12:    0, PD must be zero
  90 # bit31-13: 0 required
  91
  92 DATA 0xFFD01420 0x00000044      #  DDR Extended Mode
  93 # bit0:    0,  DDR DLL enabled
  94 # bit1:    1,  DDR drive strenght reduced
  95 # bit2:    1,  DDR ODT control lsd enabled
  96 # bit5-3:  000, required
  97 # bit6:    1,  DDR ODT control msb, enabled
  98 # bit9-7:  000, required
  99 # bit10:   0,  differential DQS enabled
 100 # bit11:   0, required
 101 # bit12:   0, DDR output buffer enabled
 102 # bit31-13: 0 required
 103
 104 DATA 0xFFD01424 0x0000F17F      #  DDR Controller Control High
 105 # bit2-0:  111, required
 106 # bit3  :  1  , MBUS Burst Chop disabled
 107 # bit6-4:  111, required
 108 # bit7  :  1  , D2P Latency enabled
 109 # bit8  :  1  , add writepath sample stage, must be 1 for DDR freq >= 300MHz
 110 # bit9  :  0  , no half clock cycle addition to dataout
 111 # bit10 :  0  , 1/4 clock cycle skew enabled for addr/ctl signals
 112 # bit11 :  0  , 1/4 clock cycle skew disabled for write mesh
 113 # bit15-12: 1111 required
 114 # bit31-16: 0    required
 115
 116 DATA 0xFFD01428 0x00096630      # DDR2 ODT Read Timing (default values)
 117 DATA 0xFFD0147C 0x00009663      # DDR2 ODT Write Timing (default values)
 118
 119 DATA 0xFFD01500 0x00000000      # CS[0]n Base address to 0x0
 120 DATA 0xFFD01504 0x0FFFFFF1      # CS[0]n Size
 121 # bit0:    1,  Window enabled
 122 # bit1:    0,  Write Protect disabled
 123 # bit3-2:  00, CS0 hit selected
 124 # bit23-4: ones, required
 125 # bit31-24: 0x07, Size (i.e. 128MB)
 126
 127 DATA 0xFFD0150C 0x00000000      # CS[1]n Size, window disabled
 128 DATA 0xFFD01514 0x00000000      # CS[2]n Size, window disabled
 129 DATA 0xFFD0151C 0x00000000      # CS[3]n Size, window disabled
 130
 131 DATA 0xFFD01494 0x00010000      #  DDR ODT Control (Low)
 132 # bit3-0:  1, ODT0Rd, MODT[0] asserted during read from DRAM CS0
 133 # bit19-16:1, ODT0Wr, MODT[0] asserted during write to DRAM CS0
 134
 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 0x0000E40F      # CPU ODT Control
 141 # bit3-0:  1, ODT0Rd, Internal ODT asserted during read from DRAM bank0
 142 # bit7-4:  1, ODT0Wr, Internal ODT asserted during write to DRAM bank0
 143 # bit11-10:1, DQ_ODTSel. ODT select turned on
 144
 145 DATA 0xFFD01480 0x00000001      # DDR Initialization Control
 146 #bit0=1, enable DDR init upon this register write
 147
 148 # End of Header extension
 149 DATA 0x0 0x0