1e5841e12SLuka Perkov# 2e5841e12SLuka Perkov# Copyright (C) 2011-2012 3e5841e12SLuka Perkov# Gerald Kerma <dreagle@doukki.net> 4e5841e12SLuka Perkov# Simon Baatz <gmbnomis@gmail.com> 53fdf7596SLuka Perkov# Luka Perkov <luka@openwrt.org> 6e5841e12SLuka Perkov# 71a459660SWolfgang Denk# SPDX-License-Identifier: GPL-2.0+ 8e5841e12SLuka Perkov# 9b1e6c4c3SAnatolij Gustschin# Refer doc/README.kwbimage for more details about how-to configure 10e5841e12SLuka Perkov# and create kirkwood boot image 11e5841e12SLuka Perkov# 12e5841e12SLuka Perkov 13e5841e12SLuka Perkov# Boot Media configurations 14*49413ea3SLuka PerkovBOOT_FROM nand 15e5841e12SLuka PerkovNAND_ECC_MODE default 16e5841e12SLuka PerkovNAND_PAGE_SIZE 0x0800 17e5841e12SLuka Perkov 18e5841e12SLuka Perkov# SOC registers configuration using bootrom header extension 19e5841e12SLuka Perkov# Maximum KWBIMAGE_MAX_CONFIG configurations allowed 20e5841e12SLuka Perkov 21e5841e12SLuka Perkov# Configure RGMII-0 interface pad voltage to 1.8V 22e5841e12SLuka PerkovDATA 0xffd100e0 0x1b1b1b9b 23e5841e12SLuka Perkov 24e5841e12SLuka Perkov# Dram initalization for SINGLE x16 CL=5 @ 400MHz 25e5841e12SLuka PerkovDATA 0xffd01400 0x43000c30 # DDR Configuration register 26e5841e12SLuka Perkov# bit13-0: 0xc30, (3120 DDR2 clks refresh rate) 27e5841e12SLuka Perkov# bit23-14: 0x0, 28e5841e12SLuka Perkov# bit24: 0x1, enable exit self refresh mode on DDR access 29e5841e12SLuka Perkov# bit25: 0x1, required 30e5841e12SLuka Perkov# bit29-26: 0x0, 31e5841e12SLuka Perkov# bit31-30: 0x1, 32e5841e12SLuka Perkov 33e5841e12SLuka PerkovDATA 0xffd01404 0x37543000 # DDR Controller Control Low 34e5841e12SLuka Perkov# bit4: 0x0, addr/cmd in smame cycle 35e5841e12SLuka Perkov# bit5: 0x0, clk is driven during self refresh, we don't care for APX 36e5841e12SLuka Perkov# bit6: 0x0, use recommended falling edge of clk for addr/cmd 37e5841e12SLuka Perkov# bit14: 0x0, input buffer always powered up 38e5841e12SLuka Perkov# bit18: 0x1, cpu lock transaction enabled 39e5841e12SLuka Perkov# bit23-20: 0x5, recommended value for CL=5 and STARTBURST_DEL disabled bit31=0 40e5841e12SLuka Perkov# bit27-24: 0x7, CL+2, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM 41e5841e12SLuka Perkov# bit30-28: 0x3, required 42e5841e12SLuka Perkov# bit31: 0x0, no additional STARTBURST delay 43e5841e12SLuka Perkov 44e5841e12SLuka PerkovDATA 0xffd01408 0x22125451 # DDR Timing (Low) (active cycles value +1) 45e5841e12SLuka Perkov# bit3-0: TRAS lsbs 46e5841e12SLuka Perkov# bit7-4: TRCD 47e5841e12SLuka Perkov# bit11-8: TRP 48e5841e12SLuka Perkov# bit15-12: TWR 49e5841e12SLuka Perkov# bit19-16: TWTR 50e5841e12SLuka Perkov# bit20: TRAS msb 51e5841e12SLuka Perkov# bit23-21: 0x0 52e5841e12SLuka Perkov# bit27-24: TRRD 53e5841e12SLuka Perkov# bit31-28: TRTP 54e5841e12SLuka Perkov 55e5841e12SLuka PerkovDATA 0xffd0140c 0x00000a33 # DDR Timing (High) 56e5841e12SLuka Perkov# bit6-0: TRFC 57e5841e12SLuka Perkov# bit8-7: TR2R 58e5841e12SLuka Perkov# bit10-9: TR2W 59e5841e12SLuka Perkov# bit12-11: TW2W 60e5841e12SLuka Perkov# bit31-13: 0x0, required 61e5841e12SLuka Perkov 62e5841e12SLuka PerkovDATA 0xffd01410 0x0000000c # DDR Address Control 63e5841e12SLuka Perkov# bit1-0: 00, Cs0width (x8) 64e5841e12SLuka Perkov# bit3-2: 11, Cs0size (1Gb) 65e5841e12SLuka Perkov# bit5-4: 00, Cs1width (x8) 66e5841e12SLuka Perkov# bit7-6: 11, Cs1size (1Gb) 67*49413ea3SLuka Perkov# bit9-8: 00, Cs2width (nonexistent) 68*49413ea3SLuka Perkov# bit11-10: 00, Cs2size (nonexistent) 69*49413ea3SLuka Perkov# bit13-12: 00, Cs3width (nonexistent) 70*49413ea3SLuka Perkov# bit15-14: 00, Cs3size (nonexistent) 71e5841e12SLuka Perkov# bit16: 0, Cs0AddrSel 72e5841e12SLuka Perkov# bit17: 0, Cs1AddrSel 73e5841e12SLuka Perkov# bit18: 0, Cs2AddrSel 74e5841e12SLuka Perkov# bit19: 0, Cs3AddrSel 75e5841e12SLuka Perkov# bit31-20: 0x0, required 76e5841e12SLuka Perkov 77e5841e12SLuka PerkovDATA 0xffd01414 0x00000000 # DDR Open Pages Control 78e5841e12SLuka Perkov# bit0: 0, OpenPage enabled 79e5841e12SLuka Perkov# bit31-1: 0x0, required 80e5841e12SLuka Perkov 81e5841e12SLuka PerkovDATA 0xffd01418 0x00000000 # DDR Operation 82e5841e12SLuka Perkov# bit3-0: 0x0, DDR cmd 83e5841e12SLuka Perkov# bit31-4: 0x0, required 84e5841e12SLuka Perkov 85e5841e12SLuka PerkovDATA 0xffd0141c 0x00000c52 # DDR Mode 86e5841e12SLuka Perkov# bit2-0: 0x2, BurstLen=2 required 87e5841e12SLuka Perkov# bit3: 0x0, BurstType=0 required 88e5841e12SLuka Perkov# bit6-4: 0x4, CL=5 89e5841e12SLuka Perkov# bit7: 0x0, TestMode=0 normal 90e5841e12SLuka Perkov# bit8: 0x0, DLL reset=0 normal 91*49413ea3SLuka Perkov# bit11-9: 0x6, auto-precharge write recovery 92e5841e12SLuka Perkov# bit12: 0x0, PD must be zero 93e5841e12SLuka Perkov# bit31-13: 0x0, required 94e5841e12SLuka Perkov 95e5841e12SLuka PerkovDATA 0xffd01420 0x00000040 # DDR Extended Mode 96e5841e12SLuka Perkov# bit0: 0, DDR DLL enabled 97e5841e12SLuka Perkov# bit1: 0, DDR drive strenght normal 98e5841e12SLuka Perkov# bit2: 1, DDR ODT control lsd (disabled) 99e5841e12SLuka Perkov# bit5-3: 0x0, required 100e5841e12SLuka Perkov# bit6: 0, DDR ODT control msb, (disabled) 101e5841e12SLuka Perkov# bit9-7: 0x0, required 102e5841e12SLuka Perkov# bit10: 0, differential DQS enabled 103e5841e12SLuka Perkov# bit11: 0, required 104e5841e12SLuka Perkov# bit12: 0, DDR output buffer enabled 105e5841e12SLuka Perkov# bit31-13: 0x0, required 106e5841e12SLuka Perkov 107e5841e12SLuka PerkovDATA 0xffd01424 0x0000f17f # DDR Controller Control High 108e5841e12SLuka Perkov# bit2-0: 0x7, required 109e5841e12SLuka Perkov# bit3: 0x1, MBUS Burst Chop disabled 110e5841e12SLuka Perkov# bit6-4: 0x7, required 111e5841e12SLuka Perkov# bit7: 0x0, 112e5841e12SLuka Perkov# bit8: 0x1, add writepath sample stage, must be 1 for DDR freq >= 300MHz 113e5841e12SLuka Perkov# bit9: 0x0, no half clock cycle addition to dataout 114e5841e12SLuka Perkov# bit10: 0x0, 1/4 clock cycle skew enabled for addr/ctl signals 115e5841e12SLuka Perkov# bit11: 0x0, 1/4 clock cycle skew disabled for write mesh 116e5841e12SLuka Perkov# bit15-12: 0xf, required 117e5841e12SLuka Perkov# bit31-16: 0, required 118e5841e12SLuka Perkov 119e5841e12SLuka PerkovDATA 0xffd01428 0x00085520 # DDR2 ODT Read Timing (default values) 120e5841e12SLuka PerkovDATA 0xffd0147c 0x00008552 # DDR2 ODT Write Timing (default values) 121e5841e12SLuka Perkov 122e5841e12SLuka PerkovDATA 0xffd01500 0x00000000 # CS[0]n Base address to 0x0 123e5841e12SLuka PerkovDATA 0xffd01504 0x0ffffff1 # CS[0]n Size 124e5841e12SLuka Perkov# bit0: 0x1, Window enabled 125e5841e12SLuka Perkov# bit1: 0x0, Write Protect disabled 126e5841e12SLuka Perkov# bit3-2: 0x0, CS0 hit selected 127e5841e12SLuka Perkov# bit23-4: 0xfffff, required 128e5841e12SLuka Perkov# bit31-24: 0x0f, Size (i.e. 256MB) 129e5841e12SLuka Perkov 130e5841e12SLuka PerkovDATA 0xffd01508 0x10000000 # CS[1]n Base address to 256Mb 131e5841e12SLuka PerkovDATA 0xffd0150c 0x00000000 # CS[1]n Size, window disabled 132e5841e12SLuka Perkov 133e5841e12SLuka PerkovDATA 0xffd01514 0x00000000 # CS[2]n Size, window disabled 134e5841e12SLuka PerkovDATA 0xffd0151c 0x00000000 # CS[3]n Size, window disabled 135e5841e12SLuka Perkov 136e5841e12SLuka PerkovDATA 0xffd01494 0x00030000 # DDR ODT Control (Low) 137e5841e12SLuka Perkov# bit3-0: ODT0Rd, MODT[0] asserted during read from DRAM CS1 138e5841e12SLuka Perkov# bit7-4: ODT0Rd, MODT[0] asserted during read from DRAM CS0 139e5841e12SLuka Perkov# bit19-16:2, ODT0Wr, MODT[0] asserted during write to DRAM CS1 140e5841e12SLuka Perkov# bit23-20:1, ODT0Wr, MODT[0] asserted during write to DRAM CS0 141e5841e12SLuka Perkov 142e5841e12SLuka PerkovDATA 0xffd01498 0x00000000 # DDR ODT Control (High) 143e5841e12SLuka Perkov# bit1-0: 0x0, ODT0 controlled by ODT Control (low) register above 144e5841e12SLuka Perkov# bit3-2: 0x1, ODT1 active NEVER! 145e5841e12SLuka Perkov# bit31-4: 0x0, required 146e5841e12SLuka Perkov 147e5841e12SLuka PerkovDATA 0xffd0149c 0x0000e803 # CPU ODT Control 148e5841e12SLuka PerkovDATA 0xffd01480 0x00000001 # DDR Initialization Control 149e5841e12SLuka Perkov# bit0: 0x1, enable DDR init upon this register write 150e5841e12SLuka Perkov 151*49413ea3SLuka PerkovDATA 0xffd20134 0x66666666 # L2 RAM Timing 0 Register 152*49413ea3SLuka PerkovDATA 0xffd20138 0x66666666 # L2 RAM Timing 1 Register 153e5841e12SLuka Perkov 154e5841e12SLuka Perkov# End of Header extension 155e5841e12SLuka PerkovDATA 0x0 0x0 156