167fa8c25SHeiko Schocher# 267fa8c25SHeiko Schocher# (C) Copyright 2010 367fa8c25SHeiko Schocher# Heiko Schocher, DENX Software Engineering, hs@denx.de. 467fa8c25SHeiko Schocher# 5*1a459660SWolfgang Denk# SPDX-License-Identifier: GPL-2.0+ 667fa8c25SHeiko Schocher# 7b1e6c4c3SAnatolij Gustschin# Refer doc/README.kwbimage for more details about how-to configure 867fa8c25SHeiko Schocher# and create kirkwood boot image 967fa8c25SHeiko Schocher# 1067fa8c25SHeiko Schocher 1167fa8c25SHeiko Schocher# Boot Media configurations 1267fa8c25SHeiko SchocherBOOT_FROM spi # Boot from SPI flash 1367fa8c25SHeiko Schocher 141ebbb77aSHeiko SchocherDATA 0xFFD10000 0x01112222 # MPP Control 0 Register 151ebbb77aSHeiko Schocher# bit 3-0: MPPSel0 2, NF_IO[2] 161ebbb77aSHeiko Schocher# bit 7-4: MPPSel1 2, NF_IO[3] 171ebbb77aSHeiko Schocher# bit 12-8: MPPSel2 2, NF_IO[4] 181ebbb77aSHeiko Schocher# bit 15-12: MPPSel3 2, NF_IO[5] 1967fa8c25SHeiko Schocher# bit 19-16: MPPSel4 1, NF_IO[6] 2067fa8c25SHeiko Schocher# bit 23-20: MPPSel5 1, NF_IO[7] 2167fa8c25SHeiko Schocher# bit 27-24: MPPSel6 1, SYSRST_O 2267fa8c25SHeiko Schocher# bit 31-28: MPPSel7 0, GPO[7] 2367fa8c25SHeiko Schocher 241ebbb77aSHeiko SchocherDATA 0xFFD10004 0x03303300 251ebbb77aSHeiko Schocher 2667fa8c25SHeiko SchocherDATA 0xFFD10008 0x00001100 # MPP Control 2 Register 2767fa8c25SHeiko Schocher# bit 3-0: MPPSel16 0, GPIO[16] 2867fa8c25SHeiko Schocher# bit 7-4: MPPSel17 0, GPIO[17] 2967fa8c25SHeiko Schocher# bit 12-8: MPPSel18 1, NF_IO[0] 3067fa8c25SHeiko Schocher# bit 15-12: MPPSel19 1, NF_IO[1] 3167fa8c25SHeiko Schocher# bit 19-16: MPPSel20 0, GPIO[20] 3267fa8c25SHeiko Schocher# bit 23-20: MPPSel21 0, GPIO[21] 3367fa8c25SHeiko Schocher# bit 27-24: MPPSel22 0, GPIO[22] 3467fa8c25SHeiko Schocher# bit 31-28: MPPSel23 0, GPIO[23] 3567fa8c25SHeiko Schocher 3667fa8c25SHeiko SchocherDATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register 371ebbb77aSHeiko SchocherDATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register 381ebbb77aSHeiko SchocherDATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register 392472216cSHolger Brunck 402472216cSHolger Brunck# NOTE: Don't write on 0x20148 , 0x2014c and 0x20154, leave them untouched! 412472216cSHolger Brunck# If not it could cause KW Exceptions during boot in Fast Corners/High Voltage 4267fa8c25SHeiko Schocher 4367fa8c25SHeiko Schocher#Dram initalization 4467fa8c25SHeiko SchocherDATA 0xFFD01400 0x43000400 # SDRAM Configuration Register 4567fa8c25SHeiko Schocher# bit13-0: 0x400 (DDR2 clks refresh rate) 4667fa8c25SHeiko Schocher# bit23-14: zero 4767fa8c25SHeiko Schocher# bit24: 1= enable exit self refresh mode on DDR access 4867fa8c25SHeiko Schocher# bit25: 1 required 4967fa8c25SHeiko Schocher# bit29-26: zero 5067fa8c25SHeiko Schocher# bit31-30: 01 5167fa8c25SHeiko Schocher 521ebbb77aSHeiko SchocherDATA 0xFFD01404 0x39543000 # DDR Controller Control Low 5367fa8c25SHeiko Schocher# bit 3-0: 0 reserved 5467fa8c25SHeiko Schocher# bit 4: 0=addr/cmd in smame cycle 5567fa8c25SHeiko Schocher# bit 5: 0=clk is driven during self refresh, we don't care for APX 5667fa8c25SHeiko Schocher# bit 6: 0=use recommended falling edge of clk for addr/cmd 5767fa8c25SHeiko Schocher# bit14: 0=input buffer always powered up 5867fa8c25SHeiko Schocher# bit18: 1=cpu lock transaction enabled 5967fa8c25SHeiko Schocher# bit23-20: 3=recommended value for CL=3 and STARTBURST_DEL disabled bit31=0 6067fa8c25SHeiko Schocher# bit27-24: 6= CL+3, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM 6167fa8c25SHeiko Schocher# bit30-28: 3 required 6267fa8c25SHeiko Schocher# bit31: 0=no additional STARTBURST delay 6367fa8c25SHeiko Schocher 641ebbb77aSHeiko SchocherDATA 0xFFD01408 0x34136552 # DDR Timing (Low) (active cycles value +1) 6567fa8c25SHeiko Schocher# bit3-0: TRAS lsbs 6667fa8c25SHeiko Schocher# bit7-4: TRCD 6767fa8c25SHeiko Schocher# bit11- 8: TRP 6867fa8c25SHeiko Schocher# bit15-12: TWR 6967fa8c25SHeiko Schocher# bit19-16: TWTR 7067fa8c25SHeiko Schocher# bit20: TRAS msb 7167fa8c25SHeiko Schocher# bit23-21: 0x0 7267fa8c25SHeiko Schocher# bit27-24: TRRD 7367fa8c25SHeiko Schocher# bit31-28: TRTP 7467fa8c25SHeiko Schocher 751ebbb77aSHeiko SchocherDATA 0xFFD0140C 0x00000033 # DDR Timing (High) 7667fa8c25SHeiko Schocher# bit6-0: TRFC 7767fa8c25SHeiko Schocher# bit8-7: TR2R 7867fa8c25SHeiko Schocher# bit10-9: TR2W 7967fa8c25SHeiko Schocher# bit12-11: TW2W 8067fa8c25SHeiko Schocher# bit31-13: zero required 8167fa8c25SHeiko Schocher 8267fa8c25SHeiko SchocherDATA 0xFFD01410 0x0000000D # DDR Address Control 8367fa8c25SHeiko Schocher# bit1-0: 01, Cs0width=x16 8467fa8c25SHeiko Schocher# bit3-2: 11, Cs0size=1Gb 8567fa8c25SHeiko Schocher# bit5-4: 00, Cs2width=nonexistent 8667fa8c25SHeiko Schocher# bit7-6: 00, Cs1size =nonexistent 8767fa8c25SHeiko Schocher# bit9-8: 00, Cs2width=nonexistent 8867fa8c25SHeiko Schocher# bit11-10: 00, Cs2size =nonexistent 8967fa8c25SHeiko Schocher# bit13-12: 00, Cs3width=nonexistent 9067fa8c25SHeiko Schocher# bit15-14: 00, Cs3size =nonexistent 9167fa8c25SHeiko Schocher# bit16: 0, Cs0AddrSel 9267fa8c25SHeiko Schocher# bit17: 0, Cs1AddrSel 9367fa8c25SHeiko Schocher# bit18: 0, Cs2AddrSel 9467fa8c25SHeiko Schocher# bit19: 0, Cs3AddrSel 9567fa8c25SHeiko Schocher# bit31-20: 0 required 9667fa8c25SHeiko Schocher 9767fa8c25SHeiko SchocherDATA 0xFFD01414 0x00000000 # DDR Open Pages Control 9867fa8c25SHeiko Schocher# bit0: 0, OpenPage enabled 9967fa8c25SHeiko Schocher# bit31-1: 0 required 10067fa8c25SHeiko Schocher 10167fa8c25SHeiko SchocherDATA 0xFFD01418 0x00000000 # DDR Operation 10267fa8c25SHeiko Schocher# bit3-0: 0x0, DDR cmd 10367fa8c25SHeiko Schocher# bit31-4: 0 required 10467fa8c25SHeiko Schocher 1051ebbb77aSHeiko SchocherDATA 0xFFD0141C 0x00000652 # DDR Mode 1061ebbb77aSHeiko SchocherDATA 0xFFD01420 0x00000044 # DDR Extended Mode 10767fa8c25SHeiko Schocher# bit0: 0, DDR DLL enabled 10867fa8c25SHeiko Schocher# bit1: 0, DDR drive strenght normal 10967fa8c25SHeiko Schocher# bit2: 1, DDR ODT control lsd disabled 11067fa8c25SHeiko Schocher# bit5-3: 000, required 11167fa8c25SHeiko Schocher# bit6: 1, DDR ODT control msb, enabled 11267fa8c25SHeiko Schocher# bit9-7: 000, required 11367fa8c25SHeiko Schocher# bit10: 0, differential DQS enabled 11467fa8c25SHeiko Schocher# bit11: 0, required 11567fa8c25SHeiko Schocher# bit12: 0, DDR output buffer enabled 11667fa8c25SHeiko Schocher# bit31-13: 0 required 11767fa8c25SHeiko Schocher 11867fa8c25SHeiko SchocherDATA 0xFFD01424 0x0000F07F # DDR Controller Control High 11967fa8c25SHeiko Schocher# bit2-0: 111, required 12067fa8c25SHeiko Schocher# bit3 : 1 , MBUS Burst Chop disabled 12167fa8c25SHeiko Schocher# bit6-4: 111, required 12267fa8c25SHeiko Schocher# bit7 : 0 12367fa8c25SHeiko Schocher# bit8 : 0 , no sample stage 12467fa8c25SHeiko Schocher# bit9 : 0 , no half clock cycle addition to dataout 12567fa8c25SHeiko Schocher# bit10 : 0 , 1/4 clock cycle skew enabled for addr/ctl signals 12667fa8c25SHeiko Schocher# bit11 : 0 , 1/4 clock cycle skew disabled for write mesh 12767fa8c25SHeiko Schocher# bit15-12: 1111 required 12867fa8c25SHeiko Schocher# bit31-16: 0 required 1291ebbb77aSHeiko SchocherDATA 0xFFD01428 0x00074510 1301ebbb77aSHeiko SchocherDATA 0xFFD0147c 0x00007451 13167fa8c25SHeiko Schocher 13267fa8c25SHeiko SchocherDATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0 13367fa8c25SHeiko SchocherDATA 0xFFD01504 0x07FFFFF1 # CS[0]n Size 13467fa8c25SHeiko Schocher# bit0: 1, Window enabled 13567fa8c25SHeiko Schocher# bit1: 0, Write Protect disabled 13667fa8c25SHeiko Schocher# bit3-2: 00, CS0 hit selected 13767fa8c25SHeiko Schocher# bit23-4: ones, required 13867fa8c25SHeiko Schocher# bit31-24: 0x07, Size (i.e. 128MB) 13967fa8c25SHeiko Schocher 14067fa8c25SHeiko SchocherDATA 0xFFD0150C 0x00000000 # CS[1]n Size, window disabled 14167fa8c25SHeiko SchocherDATA 0xFFD01514 0x00000000 # CS[2]n Size, window disabled 14267fa8c25SHeiko SchocherDATA 0xFFD0151C 0x00000000 # CS[3]n Size, window disabled 14367fa8c25SHeiko Schocher 1441ebbb77aSHeiko SchocherDATA 0xFFD01494 0x00010001 # DDR ODT Control (Low) 14567fa8c25SHeiko Schocher# bit3-0: 0, ODT0Rd, MODT[0] asserted during read from DRAM CS0 14667fa8c25SHeiko Schocher# bit19-16:0, ODT0Wr, MODT[0] asserted during write to DRAM CS0 14767fa8c25SHeiko Schocher 14867fa8c25SHeiko SchocherDATA 0xFFD01498 0x00000000 # DDR ODT Control (High) 14967fa8c25SHeiko Schocher# bit1-0: 00, ODT0 controlled by ODT Control (low) register above 15067fa8c25SHeiko Schocher# bit3-2: 00, ODT1 controlled by register 15167fa8c25SHeiko Schocher# bit31-4: zero, required 15267fa8c25SHeiko Schocher 1531ebbb77aSHeiko SchocherDATA 0xFFD0149C 0x0000FC11 # CPU ODT Control 15467fa8c25SHeiko Schocher# bit3-0: F, ODT0Rd, Internal ODT asserted during read from DRAM bank0 15567fa8c25SHeiko Schocher# bit7-4: 0, ODT0Wr, Internal ODT asserted during write to DRAM bank0 15667fa8c25SHeiko Schocher# bit9-8: 1, ODTEn, never active 15767fa8c25SHeiko Schocher# bit11-10:2, DQ_ODTSel. ODT select turned on, 75 ohm 15867fa8c25SHeiko Schocher 15967fa8c25SHeiko SchocherDATA 0xFFD01480 0x00000001 # DDR Initialization Control 16067fa8c25SHeiko Schocher# bit0=1, enable DDR init upon this register write 16167fa8c25SHeiko Schocher 16267fa8c25SHeiko Schocher# End of Header extension 16367fa8c25SHeiko SchocherDATA 0x0 0x0 164