167fa8c25SHeiko Schocher# 267fa8c25SHeiko Schocher# (C) Copyright 2010 367fa8c25SHeiko Schocher# Heiko Schocher, DENX Software Engineering, hs@denx.de. 467fa8c25SHeiko Schocher# 567fa8c25SHeiko Schocher# See file CREDITS for list of people who contributed to this 667fa8c25SHeiko Schocher# project. 767fa8c25SHeiko Schocher# 867fa8c25SHeiko Schocher# This program is free software; you can redistribute it and/or 967fa8c25SHeiko Schocher# modify it under the terms of the GNU General Public License as 1067fa8c25SHeiko Schocher# published by the Free Software Foundation; either version 2 of 1167fa8c25SHeiko Schocher# the License, or (at your option) any later version. 1267fa8c25SHeiko Schocher# 1367fa8c25SHeiko Schocher# This program is distributed in the hope that it will be useful, 1467fa8c25SHeiko Schocher# but WITHOUT ANY WARRANTY; without even the implied warranty of 1567fa8c25SHeiko Schocher# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1667fa8c25SHeiko Schocher# GNU General Public License for more details. 1767fa8c25SHeiko Schocher# 1867fa8c25SHeiko Schocher# You should have received a copy of the GNU General Public License 1967fa8c25SHeiko Schocher# along with this program; if not, write to the Free Software 2067fa8c25SHeiko Schocher# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 2167fa8c25SHeiko Schocher# MA 02110-1301 USA 2267fa8c25SHeiko Schocher# 2367fa8c25SHeiko Schocher# Refer docs/README.kwimage for more details about how-to configure 2467fa8c25SHeiko Schocher# and create kirkwood boot image 2567fa8c25SHeiko Schocher# 2667fa8c25SHeiko Schocher 2767fa8c25SHeiko Schocher# Boot Media configurations 2867fa8c25SHeiko SchocherBOOT_FROM spi # Boot from SPI flash 2967fa8c25SHeiko Schocher 301ebbb77aSHeiko SchocherDATA 0xFFD10000 0x01112222 # MPP Control 0 Register 311ebbb77aSHeiko Schocher# bit 3-0: MPPSel0 2, NF_IO[2] 321ebbb77aSHeiko Schocher# bit 7-4: MPPSel1 2, NF_IO[3] 331ebbb77aSHeiko Schocher# bit 12-8: MPPSel2 2, NF_IO[4] 341ebbb77aSHeiko Schocher# bit 15-12: MPPSel3 2, NF_IO[5] 3567fa8c25SHeiko Schocher# bit 19-16: MPPSel4 1, NF_IO[6] 3667fa8c25SHeiko Schocher# bit 23-20: MPPSel5 1, NF_IO[7] 3767fa8c25SHeiko Schocher# bit 27-24: MPPSel6 1, SYSRST_O 3867fa8c25SHeiko Schocher# bit 31-28: MPPSel7 0, GPO[7] 3967fa8c25SHeiko Schocher 401ebbb77aSHeiko SchocherDATA 0xFFD10004 0x03303300 411ebbb77aSHeiko Schocher 4267fa8c25SHeiko SchocherDATA 0xFFD10008 0x00001100 # MPP Control 2 Register 4367fa8c25SHeiko Schocher# bit 3-0: MPPSel16 0, GPIO[16] 4467fa8c25SHeiko Schocher# bit 7-4: MPPSel17 0, GPIO[17] 4567fa8c25SHeiko Schocher# bit 12-8: MPPSel18 1, NF_IO[0] 4667fa8c25SHeiko Schocher# bit 15-12: MPPSel19 1, NF_IO[1] 4767fa8c25SHeiko Schocher# bit 19-16: MPPSel20 0, GPIO[20] 4867fa8c25SHeiko Schocher# bit 23-20: MPPSel21 0, GPIO[21] 4967fa8c25SHeiko Schocher# bit 27-24: MPPSel22 0, GPIO[22] 5067fa8c25SHeiko Schocher# bit 31-28: MPPSel23 0, GPIO[23] 5167fa8c25SHeiko Schocher 5267fa8c25SHeiko SchocherDATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register 531ebbb77aSHeiko SchocherDATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register 541ebbb77aSHeiko SchocherDATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register 55*2472216cSHolger Brunck 56*2472216cSHolger Brunck# NOTE: Don't write on 0x20148 , 0x2014c and 0x20154, leave them untouched! 57*2472216cSHolger Brunck# If not it could cause KW Exceptions during boot in Fast Corners/High Voltage 5867fa8c25SHeiko Schocher 5967fa8c25SHeiko Schocher#Dram initalization 6067fa8c25SHeiko SchocherDATA 0xFFD01400 0x43000400 # SDRAM Configuration Register 6167fa8c25SHeiko Schocher# bit13-0: 0x400 (DDR2 clks refresh rate) 6267fa8c25SHeiko Schocher# bit23-14: zero 6367fa8c25SHeiko Schocher# bit24: 1= enable exit self refresh mode on DDR access 6467fa8c25SHeiko Schocher# bit25: 1 required 6567fa8c25SHeiko Schocher# bit29-26: zero 6667fa8c25SHeiko Schocher# bit31-30: 01 6767fa8c25SHeiko Schocher 681ebbb77aSHeiko SchocherDATA 0xFFD01404 0x39543000 # DDR Controller Control Low 6967fa8c25SHeiko Schocher# bit 3-0: 0 reserved 7067fa8c25SHeiko Schocher# bit 4: 0=addr/cmd in smame cycle 7167fa8c25SHeiko Schocher# bit 5: 0=clk is driven during self refresh, we don't care for APX 7267fa8c25SHeiko Schocher# bit 6: 0=use recommended falling edge of clk for addr/cmd 7367fa8c25SHeiko Schocher# bit14: 0=input buffer always powered up 7467fa8c25SHeiko Schocher# bit18: 1=cpu lock transaction enabled 7567fa8c25SHeiko Schocher# bit23-20: 3=recommended value for CL=3 and STARTBURST_DEL disabled bit31=0 7667fa8c25SHeiko Schocher# bit27-24: 6= CL+3, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM 7767fa8c25SHeiko Schocher# bit30-28: 3 required 7867fa8c25SHeiko Schocher# bit31: 0=no additional STARTBURST delay 7967fa8c25SHeiko Schocher 801ebbb77aSHeiko SchocherDATA 0xFFD01408 0x34136552 # DDR Timing (Low) (active cycles value +1) 8167fa8c25SHeiko Schocher# bit3-0: TRAS lsbs 8267fa8c25SHeiko Schocher# bit7-4: TRCD 8367fa8c25SHeiko Schocher# bit11- 8: TRP 8467fa8c25SHeiko Schocher# bit15-12: TWR 8567fa8c25SHeiko Schocher# bit19-16: TWTR 8667fa8c25SHeiko Schocher# bit20: TRAS msb 8767fa8c25SHeiko Schocher# bit23-21: 0x0 8867fa8c25SHeiko Schocher# bit27-24: TRRD 8967fa8c25SHeiko Schocher# bit31-28: TRTP 9067fa8c25SHeiko Schocher 911ebbb77aSHeiko SchocherDATA 0xFFD0140C 0x00000033 # DDR Timing (High) 9267fa8c25SHeiko Schocher# bit6-0: TRFC 9367fa8c25SHeiko Schocher# bit8-7: TR2R 9467fa8c25SHeiko Schocher# bit10-9: TR2W 9567fa8c25SHeiko Schocher# bit12-11: TW2W 9667fa8c25SHeiko Schocher# bit31-13: zero required 9767fa8c25SHeiko Schocher 9867fa8c25SHeiko SchocherDATA 0xFFD01410 0x0000000D # DDR Address Control 9967fa8c25SHeiko Schocher# bit1-0: 01, Cs0width=x16 10067fa8c25SHeiko Schocher# bit3-2: 11, Cs0size=1Gb 10167fa8c25SHeiko Schocher# bit5-4: 00, Cs2width=nonexistent 10267fa8c25SHeiko Schocher# bit7-6: 00, Cs1size =nonexistent 10367fa8c25SHeiko Schocher# bit9-8: 00, Cs2width=nonexistent 10467fa8c25SHeiko Schocher# bit11-10: 00, Cs2size =nonexistent 10567fa8c25SHeiko Schocher# bit13-12: 00, Cs3width=nonexistent 10667fa8c25SHeiko Schocher# bit15-14: 00, Cs3size =nonexistent 10767fa8c25SHeiko Schocher# bit16: 0, Cs0AddrSel 10867fa8c25SHeiko Schocher# bit17: 0, Cs1AddrSel 10967fa8c25SHeiko Schocher# bit18: 0, Cs2AddrSel 11067fa8c25SHeiko Schocher# bit19: 0, Cs3AddrSel 11167fa8c25SHeiko Schocher# bit31-20: 0 required 11267fa8c25SHeiko Schocher 11367fa8c25SHeiko SchocherDATA 0xFFD01414 0x00000000 # DDR Open Pages Control 11467fa8c25SHeiko Schocher# bit0: 0, OpenPage enabled 11567fa8c25SHeiko Schocher# bit31-1: 0 required 11667fa8c25SHeiko Schocher 11767fa8c25SHeiko SchocherDATA 0xFFD01418 0x00000000 # DDR Operation 11867fa8c25SHeiko Schocher# bit3-0: 0x0, DDR cmd 11967fa8c25SHeiko Schocher# bit31-4: 0 required 12067fa8c25SHeiko Schocher 1211ebbb77aSHeiko SchocherDATA 0xFFD0141C 0x00000652 # DDR Mode 1221ebbb77aSHeiko SchocherDATA 0xFFD01420 0x00000044 # DDR Extended Mode 12367fa8c25SHeiko Schocher# bit0: 0, DDR DLL enabled 12467fa8c25SHeiko Schocher# bit1: 0, DDR drive strenght normal 12567fa8c25SHeiko Schocher# bit2: 1, DDR ODT control lsd disabled 12667fa8c25SHeiko Schocher# bit5-3: 000, required 12767fa8c25SHeiko Schocher# bit6: 1, DDR ODT control msb, enabled 12867fa8c25SHeiko Schocher# bit9-7: 000, required 12967fa8c25SHeiko Schocher# bit10: 0, differential DQS enabled 13067fa8c25SHeiko Schocher# bit11: 0, required 13167fa8c25SHeiko Schocher# bit12: 0, DDR output buffer enabled 13267fa8c25SHeiko Schocher# bit31-13: 0 required 13367fa8c25SHeiko Schocher 13467fa8c25SHeiko SchocherDATA 0xFFD01424 0x0000F07F # DDR Controller Control High 13567fa8c25SHeiko Schocher# bit2-0: 111, required 13667fa8c25SHeiko Schocher# bit3 : 1 , MBUS Burst Chop disabled 13767fa8c25SHeiko Schocher# bit6-4: 111, required 13867fa8c25SHeiko Schocher# bit7 : 0 13967fa8c25SHeiko Schocher# bit8 : 0 , no sample stage 14067fa8c25SHeiko Schocher# bit9 : 0 , no half clock cycle addition to dataout 14167fa8c25SHeiko Schocher# bit10 : 0 , 1/4 clock cycle skew enabled for addr/ctl signals 14267fa8c25SHeiko Schocher# bit11 : 0 , 1/4 clock cycle skew disabled for write mesh 14367fa8c25SHeiko Schocher# bit15-12: 1111 required 14467fa8c25SHeiko Schocher# bit31-16: 0 required 1451ebbb77aSHeiko SchocherDATA 0xFFD01428 0x00074510 1461ebbb77aSHeiko SchocherDATA 0xFFD0147c 0x00007451 14767fa8c25SHeiko Schocher 14867fa8c25SHeiko SchocherDATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0 14967fa8c25SHeiko SchocherDATA 0xFFD01504 0x07FFFFF1 # CS[0]n Size 15067fa8c25SHeiko Schocher# bit0: 1, Window enabled 15167fa8c25SHeiko Schocher# bit1: 0, Write Protect disabled 15267fa8c25SHeiko Schocher# bit3-2: 00, CS0 hit selected 15367fa8c25SHeiko Schocher# bit23-4: ones, required 15467fa8c25SHeiko Schocher# bit31-24: 0x07, Size (i.e. 128MB) 15567fa8c25SHeiko Schocher 15667fa8c25SHeiko SchocherDATA 0xFFD0150C 0x00000000 # CS[1]n Size, window disabled 15767fa8c25SHeiko SchocherDATA 0xFFD01514 0x00000000 # CS[2]n Size, window disabled 15867fa8c25SHeiko SchocherDATA 0xFFD0151C 0x00000000 # CS[3]n Size, window disabled 15967fa8c25SHeiko Schocher 1601ebbb77aSHeiko SchocherDATA 0xFFD01494 0x00010001 # DDR ODT Control (Low) 16167fa8c25SHeiko Schocher# bit3-0: 0, ODT0Rd, MODT[0] asserted during read from DRAM CS0 16267fa8c25SHeiko Schocher# bit19-16:0, ODT0Wr, MODT[0] asserted during write to DRAM CS0 16367fa8c25SHeiko Schocher 16467fa8c25SHeiko SchocherDATA 0xFFD01498 0x00000000 # DDR ODT Control (High) 16567fa8c25SHeiko Schocher# bit1-0: 00, ODT0 controlled by ODT Control (low) register above 16667fa8c25SHeiko Schocher# bit3-2: 00, ODT1 controlled by register 16767fa8c25SHeiko Schocher# bit31-4: zero, required 16867fa8c25SHeiko Schocher 1691ebbb77aSHeiko SchocherDATA 0xFFD0149C 0x0000FC11 # CPU ODT Control 17067fa8c25SHeiko Schocher# bit3-0: F, ODT0Rd, Internal ODT asserted during read from DRAM bank0 17167fa8c25SHeiko Schocher# bit7-4: 0, ODT0Wr, Internal ODT asserted during write to DRAM bank0 17267fa8c25SHeiko Schocher# bit9-8: 1, ODTEn, never active 17367fa8c25SHeiko Schocher# bit11-10:2, DQ_ODTSel. ODT select turned on, 75 ohm 17467fa8c25SHeiko Schocher 17567fa8c25SHeiko SchocherDATA 0xFFD01480 0x00000001 # DDR Initialization Control 17667fa8c25SHeiko Schocher# bit0=1, enable DDR init upon this register write 17767fa8c25SHeiko Schocher 17867fa8c25SHeiko Schocher# End of Header extension 17967fa8c25SHeiko SchocherDATA 0x0 0x0 180