1*1d0f5fa1SDavid Purdy# 2*1d0f5fa1SDavid Purdy# Copyright (C) 2012 3*1d0f5fa1SDavid Purdy# David Purdy <david.c.purdy@gmail.com> 4*1d0f5fa1SDavid Purdy# 5*1d0f5fa1SDavid Purdy# Based on Kirkwood support: 6*1d0f5fa1SDavid Purdy# (C) Copyright 2009 7*1d0f5fa1SDavid Purdy# Marvell Semiconductor <www.marvell.com> 8*1d0f5fa1SDavid Purdy# Written-by: Prafulla Wadaskar <prafulla <at> marvell.com> 9*1d0f5fa1SDavid Purdy# 10*1d0f5fa1SDavid Purdy# See file CREDITS for list of people who contributed to this 11*1d0f5fa1SDavid Purdy# project. 12*1d0f5fa1SDavid Purdy# 13*1d0f5fa1SDavid Purdy# This program is free software; you can redistribute it and/or 14*1d0f5fa1SDavid Purdy# modify it under the terms of the GNU General Public License as 15*1d0f5fa1SDavid Purdy# published by the Free Software Foundation; either version 2 of 16*1d0f5fa1SDavid Purdy# the License, or (at your option) any later version. 17*1d0f5fa1SDavid Purdy# 18*1d0f5fa1SDavid Purdy# This program is distributed in the hope that it will be useful, 19*1d0f5fa1SDavid Purdy# but WITHOUT ANY WARRANTY; without even the implied warranty of 20*1d0f5fa1SDavid Purdy# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21*1d0f5fa1SDavid Purdy# GNU General Public License for more details. 22*1d0f5fa1SDavid Purdy# 23*1d0f5fa1SDavid Purdy# You should have received a copy of the GNU General Public License 24*1d0f5fa1SDavid Purdy# along with this program; If not, see <http://www.gnu.org/licenses/>. 25*1d0f5fa1SDavid Purdy# 26*1d0f5fa1SDavid Purdy# Refer docs/README.kwimage for more details about how-to configure 27*1d0f5fa1SDavid Purdy# and create kirkwood boot image 28*1d0f5fa1SDavid Purdy# 29*1d0f5fa1SDavid Purdy 30*1d0f5fa1SDavid Purdy# Boot Media configurations 31*1d0f5fa1SDavid PurdyBOOT_FROM nand 32*1d0f5fa1SDavid PurdyNAND_ECC_MODE default 33*1d0f5fa1SDavid PurdyNAND_PAGE_SIZE 0x0800 34*1d0f5fa1SDavid Purdy 35*1d0f5fa1SDavid Purdy# SOC registers configuration using bootrom header extension 36*1d0f5fa1SDavid Purdy# Maximum KWBIMAGE_MAX_CONFIG configurations allowed 37*1d0f5fa1SDavid Purdy 38*1d0f5fa1SDavid Purdy# Configure RGMII-0 interface pad voltage to 1.8V 39*1d0f5fa1SDavid PurdyDATA 0xffd100e0 0x1b1b1b9b 40*1d0f5fa1SDavid Purdy 41*1d0f5fa1SDavid Purdy#Dram initalization for SINGLE x16 CL=5 @ 400MHz 42*1d0f5fa1SDavid PurdyDATA 0xffd01400 0x43000c30 # DDR Configuration register 43*1d0f5fa1SDavid Purdy# bit13-0: 0xc30 (3120 DDR2 clks refresh rate) 44*1d0f5fa1SDavid Purdy# bit23-14: zero 45*1d0f5fa1SDavid Purdy# bit24: 1= enable exit self refresh mode on DDR access 46*1d0f5fa1SDavid Purdy# bit25: 1 required 47*1d0f5fa1SDavid Purdy# bit29-26: zero 48*1d0f5fa1SDavid Purdy# bit31-30: 01 49*1d0f5fa1SDavid Purdy 50*1d0f5fa1SDavid PurdyDATA 0xffd01404 0x37543000 # DDR Controller Control Low 51*1d0f5fa1SDavid Purdy# bit 4: 0=addr/cmd in smame cycle 52*1d0f5fa1SDavid Purdy# bit 5: 0=clk is driven during self refresh, we don't care for APX 53*1d0f5fa1SDavid Purdy# bit 6: 0=use recommended falling edge of clk for addr/cmd 54*1d0f5fa1SDavid Purdy# bit14: 0=input buffer always powered up 55*1d0f5fa1SDavid Purdy# bit18: 1=cpu lock transaction enabled 56*1d0f5fa1SDavid Purdy# bit23-20: 5=recommended value for CL=5 and STARTBURST_DEL disabled bit31=0 57*1d0f5fa1SDavid Purdy# bit27-24: 7= CL+2, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM 58*1d0f5fa1SDavid Purdy# bit30-28: 3 required 59*1d0f5fa1SDavid Purdy# bit31: 0=no additional STARTBURST delay 60*1d0f5fa1SDavid Purdy 61*1d0f5fa1SDavid PurdyDATA 0xffd01408 0x22125451 # DDR Timing (Low) (active cycles value +1) 62*1d0f5fa1SDavid Purdy# bit3-0: TRAS lsbs 63*1d0f5fa1SDavid Purdy# bit7-4: TRCD 64*1d0f5fa1SDavid Purdy# bit11- 8: TRP 65*1d0f5fa1SDavid Purdy# bit15-12: TWR 66*1d0f5fa1SDavid Purdy# bit19-16: TWTR 67*1d0f5fa1SDavid Purdy# bit20: TRAS msb 68*1d0f5fa1SDavid Purdy# bit23-21: 0x0 69*1d0f5fa1SDavid Purdy# bit27-24: TRRD 70*1d0f5fa1SDavid Purdy# bit31-28: TRTP 71*1d0f5fa1SDavid Purdy 72*1d0f5fa1SDavid PurdyDATA 0xffd0140c 0x00000a33 # DDR Timing (High) 73*1d0f5fa1SDavid Purdy# bit6-0: TRFC 74*1d0f5fa1SDavid Purdy# bit8-7: TR2R 75*1d0f5fa1SDavid Purdy# bit10-9: TR2W 76*1d0f5fa1SDavid Purdy# bit12-11: TW2W 77*1d0f5fa1SDavid Purdy# bit31-13: zero required 78*1d0f5fa1SDavid Purdy 79*1d0f5fa1SDavid PurdyDATA 0xffd01410 0x000000cc # DDR Address Control 80*1d0f5fa1SDavid Purdy# bit1-0: 00, Cs0width=x8 81*1d0f5fa1SDavid Purdy# bit3-2: 11, Cs0size=1Gb 82*1d0f5fa1SDavid Purdy# bit5-4: 00, Cs1width=x8 83*1d0f5fa1SDavid Purdy# bit7-6: 11, Cs1size=1Gb 84*1d0f5fa1SDavid Purdy# bit9-8: 00, Cs2width=nonexistent 85*1d0f5fa1SDavid Purdy# bit11-10: 00, Cs2size =nonexistent 86*1d0f5fa1SDavid Purdy# bit13-12: 00, Cs3width=nonexistent 87*1d0f5fa1SDavid Purdy# bit15-14: 00, Cs3size =nonexistent 88*1d0f5fa1SDavid Purdy# bit16: 0, Cs0AddrSel 89*1d0f5fa1SDavid Purdy# bit17: 0, Cs1AddrSel 90*1d0f5fa1SDavid Purdy# bit18: 0, Cs2AddrSel 91*1d0f5fa1SDavid Purdy# bit19: 0, Cs3AddrSel 92*1d0f5fa1SDavid Purdy# bit31-20: 0 required 93*1d0f5fa1SDavid Purdy 94*1d0f5fa1SDavid PurdyDATA 0xffd01414 0x00000000 # DDR Open Pages Control 95*1d0f5fa1SDavid Purdy# bit0: 0, OpenPage enabled 96*1d0f5fa1SDavid Purdy# bit31-1: 0 required 97*1d0f5fa1SDavid Purdy 98*1d0f5fa1SDavid PurdyDATA 0xffd01418 0x00000000 # DDR Operation 99*1d0f5fa1SDavid Purdy# bit3-0: 0x0, DDR cmd 100*1d0f5fa1SDavid Purdy# bit31-4: 0 required 101*1d0f5fa1SDavid Purdy 102*1d0f5fa1SDavid PurdyDATA 0xffd0141c 0x00000c52 # DDR Mode 103*1d0f5fa1SDavid Purdy# bit2-0: 2, BurstLen=2 required 104*1d0f5fa1SDavid Purdy# bit3: 0, BurstType=0 required 105*1d0f5fa1SDavid Purdy# bit6-4: 4, CL=5 106*1d0f5fa1SDavid Purdy# bit7: 0, TestMode=0 normal 107*1d0f5fa1SDavid Purdy# bit8: 0, DLL reset=0 normal 108*1d0f5fa1SDavid Purdy# bit11-9: 6, auto-precharge write recovery ???????????? 109*1d0f5fa1SDavid Purdy# bit12: 0, PD must be zero 110*1d0f5fa1SDavid Purdy# bit31-13: 0 required 111*1d0f5fa1SDavid Purdy 112*1d0f5fa1SDavid PurdyDATA 0xffd01420 0x00000040 # DDR Extended Mode 113*1d0f5fa1SDavid Purdy# bit0: 0, DDR DLL enabled 114*1d0f5fa1SDavid Purdy# bit1: 0, DDR drive strenght normal 115*1d0f5fa1SDavid Purdy# bit2: 0, DDR ODT control lsd (disabled) 116*1d0f5fa1SDavid Purdy# bit5-3: 000, required 117*1d0f5fa1SDavid Purdy# bit6: 1, DDR ODT control msb, (disabled) 118*1d0f5fa1SDavid Purdy# bit9-7: 000, required 119*1d0f5fa1SDavid Purdy# bit10: 0, differential DQS enabled 120*1d0f5fa1SDavid Purdy# bit11: 0, required 121*1d0f5fa1SDavid Purdy# bit12: 0, DDR output buffer enabled 122*1d0f5fa1SDavid Purdy# bit31-13: 0 required 123*1d0f5fa1SDavid Purdy 124*1d0f5fa1SDavid PurdyDATA 0xffd01424 0x0000f17f # DDR Controller Control High 125*1d0f5fa1SDavid Purdy# bit2-0: 111, required 126*1d0f5fa1SDavid Purdy# bit3 : 1 , MBUS Burst Chop disabled 127*1d0f5fa1SDavid Purdy# bit6-4: 111, required 128*1d0f5fa1SDavid Purdy# bit7 : 0 129*1d0f5fa1SDavid Purdy# bit8 : 1 , add writepath sample stage, must be 1 for DDR freq >= 300MHz 130*1d0f5fa1SDavid Purdy# bit9 : 0 , no half clock cycle addition to dataout 131*1d0f5fa1SDavid Purdy# bit10 : 0 , 1/4 clock cycle skew enabled for addr/ctl signals 132*1d0f5fa1SDavid Purdy# bit11 : 0 , 1/4 clock cycle skew disabled for write mesh 133*1d0f5fa1SDavid Purdy# bit15-12: 1111 required 134*1d0f5fa1SDavid Purdy# bit31-16: 0 required 135*1d0f5fa1SDavid Purdy 136*1d0f5fa1SDavid PurdyDATA 0xffd01428 0x00085520 # DDR2 ODT Read Timing (default values) 137*1d0f5fa1SDavid PurdyDATA 0xffd0147c 0x00008552 # DDR2 ODT Write Timing (default values) 138*1d0f5fa1SDavid Purdy 139*1d0f5fa1SDavid PurdyDATA 0xffd01500 0x00000000 # CS[0]n Base address to 0x0 140*1d0f5fa1SDavid PurdyDATA 0xffd01504 0x0ffffff1 # CS[0]n Size 141*1d0f5fa1SDavid Purdy# bit0: 1, Window enabled 142*1d0f5fa1SDavid Purdy# bit1: 0, Write Protect disabled 143*1d0f5fa1SDavid Purdy# bit3-2: 00, CS0 hit selected 144*1d0f5fa1SDavid Purdy# bit23-4: ones, required 145*1d0f5fa1SDavid Purdy# bit31-24: 0x0F, Size (i.e. 256MB) 146*1d0f5fa1SDavid Purdy 147*1d0f5fa1SDavid PurdyDATA 0xffd01508 0x10000000 # CS[1]n Base address to 256Mb 148*1d0f5fa1SDavid PurdyDATA 0xffd0150c 0x00000000 # CS[2]n Size, window disabled 149*1d0f5fa1SDavid Purdy 150*1d0f5fa1SDavid PurdyDATA 0xffd01514 0x00000000 # CS[2]n Size, window disabled 151*1d0f5fa1SDavid PurdyDATA 0xffd0151c 0x00000000 # CS[3]n Size, window disabled 152*1d0f5fa1SDavid Purdy 153*1d0f5fa1SDavid PurdyDATA 0xffd01494 0x00030000 # DDR ODT Control (Low) 154*1d0f5fa1SDavid Purdy# bit3-0: 2, ODT0Rd, MODT[0] asserted during read from DRAM CS1 155*1d0f5fa1SDavid Purdy# bit7-4: 1, ODT0Rd, MODT[0] asserted during read from DRAM CS0 156*1d0f5fa1SDavid Purdy# bit19-16:2, ODT0Wr, MODT[0] asserted during write to DRAM CS1 157*1d0f5fa1SDavid Purdy# bit23-20:1, ODT0Wr, MODT[0] asserted during write to DRAM CS0 158*1d0f5fa1SDavid Purdy 159*1d0f5fa1SDavid PurdyDATA 0xffd01498 0x00000000 # DDR ODT Control (High) 160*1d0f5fa1SDavid Purdy# bit1-0: 00, ODT0 controlled by ODT Control (low) register above 161*1d0f5fa1SDavid Purdy# bit3-2: 01, ODT1 active NEVER! 162*1d0f5fa1SDavid Purdy# bit31-4: zero, required 163*1d0f5fa1SDavid Purdy 164*1d0f5fa1SDavid PurdyDATA 0xffd0149c 0x0000e803 # CPU ODT Control 165*1d0f5fa1SDavid PurdyDATA 0xffd01480 0x00000001 # DDR Initialization Control 166*1d0f5fa1SDavid Purdy#bit0=1, enable DDR init upon this register write 167*1d0f5fa1SDavid Purdy 168*1d0f5fa1SDavid Purdy# End of Header extension 169*1d0f5fa1SDavid PurdyDATA 0x0 0x0 170