11d0f5fa1SDavid Purdy# 21d0f5fa1SDavid Purdy# Copyright (C) 2012 31d0f5fa1SDavid Purdy# David Purdy <david.c.purdy@gmail.com> 41d0f5fa1SDavid Purdy# 51d0f5fa1SDavid Purdy# Based on Kirkwood support: 61d0f5fa1SDavid Purdy# (C) Copyright 2009 71d0f5fa1SDavid Purdy# Marvell Semiconductor <www.marvell.com> 81d0f5fa1SDavid Purdy# Written-by: Prafulla Wadaskar <prafulla <at> marvell.com> 91d0f5fa1SDavid Purdy# 10*1a459660SWolfgang Denk# SPDX-License-Identifier: GPL-2.0+ 111d0f5fa1SDavid Purdy# 12b1e6c4c3SAnatolij Gustschin# Refer doc/README.kwbimage for more details about how-to configure 131d0f5fa1SDavid Purdy# and create kirkwood boot image 141d0f5fa1SDavid Purdy# 151d0f5fa1SDavid Purdy 161d0f5fa1SDavid Purdy# Boot Media configurations 171d0f5fa1SDavid PurdyBOOT_FROM nand 181d0f5fa1SDavid PurdyNAND_ECC_MODE default 191d0f5fa1SDavid PurdyNAND_PAGE_SIZE 0x0800 201d0f5fa1SDavid Purdy 211d0f5fa1SDavid Purdy# SOC registers configuration using bootrom header extension 221d0f5fa1SDavid Purdy# Maximum KWBIMAGE_MAX_CONFIG configurations allowed 231d0f5fa1SDavid Purdy 241d0f5fa1SDavid Purdy# Configure RGMII-0 interface pad voltage to 1.8V 251d0f5fa1SDavid PurdyDATA 0xffd100e0 0x1b1b1b9b 261d0f5fa1SDavid Purdy 271d0f5fa1SDavid Purdy#Dram initalization for SINGLE x16 CL=5 @ 400MHz 281d0f5fa1SDavid PurdyDATA 0xffd01400 0x43000c30 # DDR Configuration register 291d0f5fa1SDavid Purdy# bit13-0: 0xc30 (3120 DDR2 clks refresh rate) 301d0f5fa1SDavid Purdy# bit23-14: zero 311d0f5fa1SDavid Purdy# bit24: 1= enable exit self refresh mode on DDR access 321d0f5fa1SDavid Purdy# bit25: 1 required 331d0f5fa1SDavid Purdy# bit29-26: zero 341d0f5fa1SDavid Purdy# bit31-30: 01 351d0f5fa1SDavid Purdy 361d0f5fa1SDavid PurdyDATA 0xffd01404 0x37543000 # DDR Controller Control Low 371d0f5fa1SDavid Purdy# bit 4: 0=addr/cmd in smame cycle 381d0f5fa1SDavid Purdy# bit 5: 0=clk is driven during self refresh, we don't care for APX 391d0f5fa1SDavid Purdy# bit 6: 0=use recommended falling edge of clk for addr/cmd 401d0f5fa1SDavid Purdy# bit14: 0=input buffer always powered up 411d0f5fa1SDavid Purdy# bit18: 1=cpu lock transaction enabled 421d0f5fa1SDavid Purdy# bit23-20: 5=recommended value for CL=5 and STARTBURST_DEL disabled bit31=0 431d0f5fa1SDavid Purdy# bit27-24: 7= CL+2, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM 441d0f5fa1SDavid Purdy# bit30-28: 3 required 451d0f5fa1SDavid Purdy# bit31: 0=no additional STARTBURST delay 461d0f5fa1SDavid Purdy 471d0f5fa1SDavid PurdyDATA 0xffd01408 0x22125451 # DDR Timing (Low) (active cycles value +1) 481d0f5fa1SDavid Purdy# bit3-0: TRAS lsbs 491d0f5fa1SDavid Purdy# bit7-4: TRCD 501d0f5fa1SDavid Purdy# bit11- 8: TRP 511d0f5fa1SDavid Purdy# bit15-12: TWR 521d0f5fa1SDavid Purdy# bit19-16: TWTR 531d0f5fa1SDavid Purdy# bit20: TRAS msb 541d0f5fa1SDavid Purdy# bit23-21: 0x0 551d0f5fa1SDavid Purdy# bit27-24: TRRD 561d0f5fa1SDavid Purdy# bit31-28: TRTP 571d0f5fa1SDavid Purdy 581d0f5fa1SDavid PurdyDATA 0xffd0140c 0x00000a33 # DDR Timing (High) 591d0f5fa1SDavid Purdy# bit6-0: TRFC 601d0f5fa1SDavid Purdy# bit8-7: TR2R 611d0f5fa1SDavid Purdy# bit10-9: TR2W 621d0f5fa1SDavid Purdy# bit12-11: TW2W 631d0f5fa1SDavid Purdy# bit31-13: zero required 641d0f5fa1SDavid Purdy 651d0f5fa1SDavid PurdyDATA 0xffd01410 0x000000cc # DDR Address Control 661d0f5fa1SDavid Purdy# bit1-0: 00, Cs0width=x8 671d0f5fa1SDavid Purdy# bit3-2: 11, Cs0size=1Gb 681d0f5fa1SDavid Purdy# bit5-4: 00, Cs1width=x8 691d0f5fa1SDavid Purdy# bit7-6: 11, Cs1size=1Gb 701d0f5fa1SDavid Purdy# bit9-8: 00, Cs2width=nonexistent 711d0f5fa1SDavid Purdy# bit11-10: 00, Cs2size =nonexistent 721d0f5fa1SDavid Purdy# bit13-12: 00, Cs3width=nonexistent 731d0f5fa1SDavid Purdy# bit15-14: 00, Cs3size =nonexistent 741d0f5fa1SDavid Purdy# bit16: 0, Cs0AddrSel 751d0f5fa1SDavid Purdy# bit17: 0, Cs1AddrSel 761d0f5fa1SDavid Purdy# bit18: 0, Cs2AddrSel 771d0f5fa1SDavid Purdy# bit19: 0, Cs3AddrSel 781d0f5fa1SDavid Purdy# bit31-20: 0 required 791d0f5fa1SDavid Purdy 801d0f5fa1SDavid PurdyDATA 0xffd01414 0x00000000 # DDR Open Pages Control 811d0f5fa1SDavid Purdy# bit0: 0, OpenPage enabled 821d0f5fa1SDavid Purdy# bit31-1: 0 required 831d0f5fa1SDavid Purdy 841d0f5fa1SDavid PurdyDATA 0xffd01418 0x00000000 # DDR Operation 851d0f5fa1SDavid Purdy# bit3-0: 0x0, DDR cmd 861d0f5fa1SDavid Purdy# bit31-4: 0 required 871d0f5fa1SDavid Purdy 881d0f5fa1SDavid PurdyDATA 0xffd0141c 0x00000c52 # DDR Mode 891d0f5fa1SDavid Purdy# bit2-0: 2, BurstLen=2 required 901d0f5fa1SDavid Purdy# bit3: 0, BurstType=0 required 911d0f5fa1SDavid Purdy# bit6-4: 4, CL=5 921d0f5fa1SDavid Purdy# bit7: 0, TestMode=0 normal 931d0f5fa1SDavid Purdy# bit8: 0, DLL reset=0 normal 941d0f5fa1SDavid Purdy# bit11-9: 6, auto-precharge write recovery ???????????? 951d0f5fa1SDavid Purdy# bit12: 0, PD must be zero 961d0f5fa1SDavid Purdy# bit31-13: 0 required 971d0f5fa1SDavid Purdy 981d0f5fa1SDavid PurdyDATA 0xffd01420 0x00000040 # DDR Extended Mode 991d0f5fa1SDavid Purdy# bit0: 0, DDR DLL enabled 1001d0f5fa1SDavid Purdy# bit1: 0, DDR drive strenght normal 1011d0f5fa1SDavid Purdy# bit2: 0, DDR ODT control lsd (disabled) 1021d0f5fa1SDavid Purdy# bit5-3: 000, required 1031d0f5fa1SDavid Purdy# bit6: 1, DDR ODT control msb, (disabled) 1041d0f5fa1SDavid Purdy# bit9-7: 000, required 1051d0f5fa1SDavid Purdy# bit10: 0, differential DQS enabled 1061d0f5fa1SDavid Purdy# bit11: 0, required 1071d0f5fa1SDavid Purdy# bit12: 0, DDR output buffer enabled 1081d0f5fa1SDavid Purdy# bit31-13: 0 required 1091d0f5fa1SDavid Purdy 1101d0f5fa1SDavid PurdyDATA 0xffd01424 0x0000f17f # DDR Controller Control High 1111d0f5fa1SDavid Purdy# bit2-0: 111, required 1121d0f5fa1SDavid Purdy# bit3 : 1 , MBUS Burst Chop disabled 1131d0f5fa1SDavid Purdy# bit6-4: 111, required 1141d0f5fa1SDavid Purdy# bit7 : 0 1151d0f5fa1SDavid Purdy# bit8 : 1 , add writepath sample stage, must be 1 for DDR freq >= 300MHz 1161d0f5fa1SDavid Purdy# bit9 : 0 , no half clock cycle addition to dataout 1171d0f5fa1SDavid Purdy# bit10 : 0 , 1/4 clock cycle skew enabled for addr/ctl signals 1181d0f5fa1SDavid Purdy# bit11 : 0 , 1/4 clock cycle skew disabled for write mesh 1191d0f5fa1SDavid Purdy# bit15-12: 1111 required 1201d0f5fa1SDavid Purdy# bit31-16: 0 required 1211d0f5fa1SDavid Purdy 1221d0f5fa1SDavid PurdyDATA 0xffd01428 0x00085520 # DDR2 ODT Read Timing (default values) 1231d0f5fa1SDavid PurdyDATA 0xffd0147c 0x00008552 # DDR2 ODT Write Timing (default values) 1241d0f5fa1SDavid Purdy 1251d0f5fa1SDavid PurdyDATA 0xffd01500 0x00000000 # CS[0]n Base address to 0x0 1261d0f5fa1SDavid PurdyDATA 0xffd01504 0x0ffffff1 # CS[0]n Size 1271d0f5fa1SDavid Purdy# bit0: 1, Window enabled 1281d0f5fa1SDavid Purdy# bit1: 0, Write Protect disabled 1291d0f5fa1SDavid Purdy# bit3-2: 00, CS0 hit selected 1301d0f5fa1SDavid Purdy# bit23-4: ones, required 1311d0f5fa1SDavid Purdy# bit31-24: 0x0F, Size (i.e. 256MB) 1321d0f5fa1SDavid Purdy 1331d0f5fa1SDavid PurdyDATA 0xffd01508 0x10000000 # CS[1]n Base address to 256Mb 1341d0f5fa1SDavid PurdyDATA 0xffd0150c 0x00000000 # CS[2]n Size, window disabled 1351d0f5fa1SDavid Purdy 1361d0f5fa1SDavid PurdyDATA 0xffd01514 0x00000000 # CS[2]n Size, window disabled 1371d0f5fa1SDavid PurdyDATA 0xffd0151c 0x00000000 # CS[3]n Size, window disabled 1381d0f5fa1SDavid Purdy 1391d0f5fa1SDavid PurdyDATA 0xffd01494 0x00030000 # DDR ODT Control (Low) 1401d0f5fa1SDavid Purdy# bit3-0: 2, ODT0Rd, MODT[0] asserted during read from DRAM CS1 1411d0f5fa1SDavid Purdy# bit7-4: 1, ODT0Rd, MODT[0] asserted during read from DRAM CS0 1421d0f5fa1SDavid Purdy# bit19-16:2, ODT0Wr, MODT[0] asserted during write to DRAM CS1 1431d0f5fa1SDavid Purdy# bit23-20:1, ODT0Wr, MODT[0] asserted during write to DRAM CS0 1441d0f5fa1SDavid Purdy 1451d0f5fa1SDavid PurdyDATA 0xffd01498 0x00000000 # DDR ODT Control (High) 1461d0f5fa1SDavid Purdy# bit1-0: 00, ODT0 controlled by ODT Control (low) register above 1471d0f5fa1SDavid Purdy# bit3-2: 01, ODT1 active NEVER! 1481d0f5fa1SDavid Purdy# bit31-4: zero, required 1491d0f5fa1SDavid Purdy 1501d0f5fa1SDavid PurdyDATA 0xffd0149c 0x0000e803 # CPU ODT Control 1511d0f5fa1SDavid PurdyDATA 0xffd01480 0x00000001 # DDR Initialization Control 1521d0f5fa1SDavid Purdy#bit0=1, enable DDR init upon this register write 1531d0f5fa1SDavid Purdy 1541d0f5fa1SDavid Purdy# End of Header extension 1551d0f5fa1SDavid PurdyDATA 0x0 0x0 156