1d9354530SHolger Brunck# 2d9354530SHolger Brunck# (C) Copyright 2012 3d9354530SHolger Brunck# Stefan Bigler, Keymile AG, stefan.bigler@keymile.com 4d9354530SHolger Brunck# Norbert Mayer, Keymile AG, norbert.mayer@keymile.com 5d9354530SHolger Brunck# Deepak Patel, XENTECH Limited, deepak.patel@xentech.co.uk 6d9354530SHolger Brunck# 7*1a459660SWolfgang Denk# SPDX-License-Identifier: GPL-2.0+ 8d9354530SHolger Brunck# 9b1e6c4c3SAnatolij Gustschin# Refer doc/README.kwbimage for more details about how-to configure 10d9354530SHolger Brunck# and create kirkwood boot image 11d9354530SHolger Brunck# 12d9354530SHolger Brunck# This configuration applies to COGE5 design (ARM-part) 13d9354530SHolger Brunck# Two 8-Bit devices are connected on the 16-Bit bus on the same 14d9354530SHolger Brunck# chip-select. The supported devices are 15d9354530SHolger Brunck# MT47H256M8EB-3IT:C 16d9354530SHolger Brunck# MT47H256M8EB-25EIT:C 17d9354530SHolger Brunck 18d9354530SHolger Brunck# Boot Media configurations 19d9354530SHolger BrunckBOOT_FROM spi # Boot from SPI flash 20d9354530SHolger Brunck 21d9354530SHolger BrunckDATA 0xFFD10000 0x01112222 # MPP Control 0 Register 22d9354530SHolger Brunck# bit 3-0: 2, MPPSel0 SPI_CSn (1=NF_IO[2]) 23d9354530SHolger Brunck# bit 7-4: 2, MPPSel1 SPI_MOSI (1=NF_IO[3]) 24d9354530SHolger Brunck# bit 12-8: 2, MPPSel2 SPI_SCK (1=NF_IO[4]) 25d9354530SHolger Brunck# bit 15-12: 2, MPPSel3 SPI_MISO (1=NF_IO[5]) 26d9354530SHolger Brunck# bit 19-16: 1, MPPSel4 NF_IO[6] 27d9354530SHolger Brunck# bit 23-20: 1, MPPSel5 NF_IO[7] 28d9354530SHolger Brunck# bit 27-24: 1, MPPSel6 SYSRST_O 29d9354530SHolger Brunck# bit 31-28: 0, MPPSel7 GPO[7] 30d9354530SHolger Brunck 31d9354530SHolger BrunckDATA 0xFFD10004 0x03303300 # MPP Control 1 Register 32d9354530SHolger Brunck# bit 3-0: 0, MPPSel8 GPIO[8] CPU_SDA bitbanged 33d9354530SHolger Brunck# bit 7-4: 0, MPPSel9 GPIO[9] CPU_SCL bitbanged 34d9354530SHolger Brunck# bit 12-8: 3, MPPSel10 UA0_TXD 35d9354530SHolger Brunck# bit 15-12: 3, MPPSel11 UA0_RXD 36d9354530SHolger Brunck# bit 19-16: 0, MPPSel12 not connected 37d9354530SHolger Brunck# bit 23-20: 3, MPPSel13 GPIO[14] 38d9354530SHolger Brunck# bit 27-24: 3, MPPSel14 GPIO[15] 39d9354530SHolger Brunck# bit 31-28: 0, MPPSel15 GPIO[16] BOOT_FL_SEL (SPI-MUX Signal) 40d9354530SHolger Brunck 41d9354530SHolger BrunckDATA 0xFFD10008 0x00001100 # MPP Control 2 Register 42d9354530SHolger Brunck# bit 3-0: 0, MPPSel16 GPIO[16] 43d9354530SHolger Brunck# bit 7-4: 0, MPPSel17 not connected 44d9354530SHolger Brunck# bit 11-8: 1, MPPSel18 NF_IO[0] 45d9354530SHolger Brunck# bit 15-12: 1, MPPSel19 NF_IO[1] 46d9354530SHolger Brunck# bit 19-16: 0, MPPSel20 GPIO[20] 47d9354530SHolger Brunck# bit 23-20: 0, MPPSel21 GPIO[21] 48d9354530SHolger Brunck# bit 27-24: 0, MPPSel22 GPIO[22] 49d9354530SHolger Brunck# bit 31-28: 0, MPPSel23 GPIO[23] 50d9354530SHolger Brunck 51d9354530SHolger Brunck# MPP Control 3-6 Register untouched (MPP24-49) 52d9354530SHolger Brunck 53d9354530SHolger BrunckDATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register 54d9354530SHolger Brunck# bit 2-0: 3, Reserved 55d9354530SHolger Brunck# bit 5-3: 3, Reserved 56d9354530SHolger Brunck# bit 6: 0, Reserved 57d9354530SHolger Brunck# bit 7: 0, RGMII-pads voltage = 3.3V 58d9354530SHolger Brunck# bit 10-8: 3, Reserved 59d9354530SHolger Brunck# bit 13-11: 3, Reserved 60d9354530SHolger Brunck# bit 14: 0, Reserved 61d9354530SHolger Brunck# bit 15: 0, MPP RGMII-pads voltage = 3.3V 62d9354530SHolger Brunck# bit 31-16 0x1B1B, Reserved 63d9354530SHolger Brunck 64d9354530SHolger BrunckDATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register 65d9354530SHolger Brunck# bit 0-1: 2, Tag RAM RTC RAM0 66d9354530SHolger Brunck# bit 3-2: 1, Tag RAM WTC RAM0 67d9354530SHolger Brunck# bit 7-4: 6, Reserved 68d9354530SHolger Brunck# bit 9-8: 2, Valid RAM RTC RAM 69d9354530SHolger Brunck# bit 11-10: 1, Valid RAM WTC RAM 70d9354530SHolger Brunck# bit 13-12: 2, Dirty RAM RTC RAM 71d9354530SHolger Brunck# bit 15-14: 1, Dirty RAM WTC RAM 72d9354530SHolger Brunck# bit 17-16: 2, Data RAM RTC RAM0 73d9354530SHolger Brunck# bit 19-18: 1, Data RAM WTC RAM0 74d9354530SHolger Brunck# bit 21-20: 2, Data RAM RTC RAM1 75d9354530SHolger Brunck# bit 23-22: 1, Data RAM WTC RAM1 76d9354530SHolger Brunck# bit 25-24: 2, Data RAM RTC RAM2 77d9354530SHolger Brunck# bit 27-26: 1, Data RAM WTC RAM2 78d9354530SHolger Brunck# bit 29-28: 2, Data RAM RTC RAM3 79d9354530SHolger Brunck# bit 31-30: 1, Data RAM WTC RAM4 80d9354530SHolger Brunck 81d9354530SHolger BrunckDATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register 82d9354530SHolger Brunck# bit 15-0: ?, Reserved 83d9354530SHolger Brunck# bit 17-16: 2, ECC RAM RTC RAM0 84d9354530SHolger Brunck# bit 19-18: 1, ECC RAM WTC RAM0 85d9354530SHolger Brunck# bit 31-20: ?,Reserved 86d9354530SHolger Brunck 872472216cSHolger Brunck# NOTE: Don't write on 0x20148 , 0x2014c and 0x20154, leave them untouched! 882472216cSHolger Brunck# If not it could cause KW Exceptions during boot in Fast Corners/High Voltage 89d9354530SHolger Brunck 90d9354530SHolger Brunck# SDRAM initalization 91d9354530SHolger BrunckDATA 0xFFD01400 0x430004E0 # SDRAM Configuration Register 92d9354530SHolger Brunck# bit 13-0: 0x4E0, DDR2 clks refresh rate 93d9354530SHolger Brunck# bit 14: 0, reserved 94d9354530SHolger Brunck# bit 15: 0, reserved 95d9354530SHolger Brunck# bit 16: 0, CPU to Dram Write buffer policy 96d9354530SHolger Brunck# bit 17: 0, Enable Registered DIMM or Equivalent Sampling Logic 97d9354530SHolger Brunck# bit 19-18: 0, reserved 98d9354530SHolger Brunck# bit 23-20: 0, reserved 99d9354530SHolger Brunck# bit 24: 1, enable exit self refresh mode on DDR access 100d9354530SHolger Brunck# bit 25: 1, required 101d9354530SHolger Brunck# bit 29-26: 0, reserved 102d9354530SHolger Brunck# bit 31-30: 1, reserved 103d9354530SHolger Brunck 104d9354530SHolger BrunckDATA 0xFFD01404 0x36543000 # DDR Controller Control Low 105d9354530SHolger Brunck# bit 3-0: 0, reserved 106d9354530SHolger Brunck# bit 4: 0, 2T mode =addr/cmd in same cycle 107d9354530SHolger Brunck# bit 5: 0, clk is driven during self refresh, we don't care for APX 108d9354530SHolger Brunck# bit 6: 0, use recommended falling edge of clk for addr/cmd 109d9354530SHolger Brunck# bit 7-11: 0, reserved 110d9354530SHolger Brunck# bit 12-13: 1, reserved, required 1 111d9354530SHolger Brunck# bit 14: 0, input buffer always powered up 112d9354530SHolger Brunck# bit 17-15: 0, reserved 113d9354530SHolger Brunck# bit 18: 1, cpu lock transaction enabled 114d9354530SHolger Brunck# bit 19: 0, reserved 115d9354530SHolger Brunck# bit 23-20: 5, recommended value for CL=4 and STARTBURST_DEL disabled bit31=0 116d9354530SHolger Brunck# bit 27-24: 6, CL+1, STARTBURST sample stages, freq 200-399MHz, unbuffer DIMM 117d9354530SHolger Brunck# bit 30-28: 3, required 118d9354530SHolger Brunck# bit 31: 0, no additional STARTBURST delay 119d9354530SHolger Brunck 120d9354530SHolger BrunckDATA 0xFFD01408 0x2202444E # DDR Timing (Low) (active cycles value +1) 121d9354530SHolger Brunck# bit 3-0: 0xe, TRAS = 45ns -> 15 clk cycles 122d9354530SHolger Brunck# bit 7-4: 0x4, TRCD = 15ns -> 5 clk cycles 123d9354530SHolger Brunck# bit 11-8: 0x4, TRP = 15ns -> 5 clk cycles 124d9354530SHolger Brunck# bit 15-12: 0x4, TWR = 15ns -> 5 clk cycles 125d9354530SHolger Brunck# bit 19-16: 0x2, TWTR = 7,5ns -> 3 clk cycles 126d9354530SHolger Brunck# bit 20: 0, extended TRAS msb 127d9354530SHolger Brunck# bit 23-21: 0, reserved 128d9354530SHolger Brunck# bit 27-24: 0x2, TRRD = 7,5ns -> 3 clk cycles 129d9354530SHolger Brunck# bit 31-28: 0x2, TRTP = 7,5ns -> 3 clk cycles 130d9354530SHolger Brunck 131d9354530SHolger BrunckDATA 0xFFD0140C 0x0000003E # DDR Timing (High) 132d9354530SHolger Brunck# bit 6-0: 0x3E, TRFC = 195ns -> 63 clk cycles 133d9354530SHolger Brunck# bit 8-7: 0, TR2R 134d9354530SHolger Brunck# bit 10-9: 0, TR2W 135d9354530SHolger Brunck# bit 12-11: 0, TW2W 136d9354530SHolger Brunck# bit 31-13: 0, reserved 137d9354530SHolger Brunck 138d9354530SHolger BrunckDATA 0xFFD01410 0x00000000 # DDR Address Control 139d9354530SHolger Brunck# bit 1-0: 0, Cs0width=x8 (2 devices) 140d9354530SHolger Brunck# bit 3-2: 0, Cs0size=2Gb 141d9354530SHolger Brunck# bit 5-4: 0, Cs1width=nonexistent 142d9354530SHolger Brunck# bit 7-6: 0, Cs1size =nonexistent 143d9354530SHolger Brunck# bit 9-8: 0, Cs2width=nonexistent 144d9354530SHolger Brunck# bit 11-10: 0, Cs2size =nonexistent 145d9354530SHolger Brunck# bit 13-12: 0, Cs3width=nonexistent 146d9354530SHolger Brunck# bit 15-14: 0, Cs3size =nonexistent 147d9354530SHolger Brunck# bit 16: 0, Cs0AddrSel 148d9354530SHolger Brunck# bit 17: 0, Cs1AddrSel 149d9354530SHolger Brunck# bit 18: 0, Cs2AddrSel 150d9354530SHolger Brunck# bit 19: 0, Cs3AddrSel 151d9354530SHolger Brunck# bit 31-20: 0, required 152d9354530SHolger Brunck 153d9354530SHolger BrunckDATA 0xFFD01414 0x00000000 # DDR Open Pages Control 154d9354530SHolger Brunck# bit 0: 0, OpenPage enabled 155d9354530SHolger Brunck# bit 31-1: 0, required 156d9354530SHolger Brunck 157d9354530SHolger BrunckDATA 0xFFD01418 0x00000000 # DDR Operation 158d9354530SHolger Brunck# bit 3-0: 0, DDR cmd 159d9354530SHolger Brunck# bit 31-4: 0, required 160d9354530SHolger Brunck 161d9354530SHolger BrunckDATA 0xFFD0141C 0x00000652 # DDR Mode 162d9354530SHolger Brunck# bit 2-0: 2, Burst Length = 4 163d9354530SHolger Brunck# bit 3: 0, Burst Type 164d9354530SHolger Brunck# bit 6-4: 5, CAS Latency = 5 165d9354530SHolger Brunck# bit 7: 0, Test mode 166d9354530SHolger Brunck# bit 8: 0, DLL Reset 167d9354530SHolger Brunck# bit 11-9: 3, Write recovery for auto-precharge must be 3 168d9354530SHolger Brunck# bit 12: 0, Active power down exit time, fast exit 169d9354530SHolger Brunck# bit 14-13: 0, reserved 170d9354530SHolger Brunck# bit 31-15: 0, reserved 171d9354530SHolger Brunck 172d9354530SHolger BrunckDATA 0xFFD01420 0x00000006 # DDR Extended Mode 173d9354530SHolger Brunck# bit 0: 0, DDR DLL enabled 174d9354530SHolger Brunck# bit 1: 1, DDR drive strenght reduced 175d9354530SHolger Brunck# bit 2: 1, DDR ODT control lsb, 75ohm termination [RTT0] 176d9354530SHolger Brunck# bit 5-3: 0, required 177d9354530SHolger Brunck# bit 6: 0, DDR ODT control msb, 75ohm termination [RTT1] 178d9354530SHolger Brunck# bit 9-7: 0, required 179d9354530SHolger Brunck# bit 10: 0, differential DQS enabled 180d9354530SHolger Brunck# bit 11: 0, required 181d9354530SHolger Brunck# bit 12: 0, DDR output buffer enabled 182d9354530SHolger Brunck# bit 31-13: 0 required 183d9354530SHolger Brunck 184d9354530SHolger BrunckDATA 0xFFD01424 0x0000F17F # DDR Controller Control High 185d9354530SHolger Brunck# bit 2-0: 7, required 186d9354530SHolger Brunck# bit 3: 1, MBUS Burst Chop disabled 187d9354530SHolger Brunck# bit 6-4: 7, required 188d9354530SHolger Brunck# bit 7: 0, reserved 189d9354530SHolger Brunck# bit 8: 1, add sample stage required for > 266Mhz 190d9354530SHolger Brunck# bit 9: 0, no half clock cycle addition to dataout 191d9354530SHolger Brunck# bit 10: 0, 1/4 clock cycle skew enabled for addr/ctl signals 192d9354530SHolger Brunck# bit 11: 0, 1/4 clock cycle skew disabled for write mesh 193d9354530SHolger Brunck# bit 15-12:0xf, required 194d9354530SHolger Brunck# bit 31-16: 0, required 195d9354530SHolger Brunck 196d9354530SHolger BrunckDATA 0xFFD01428 0x00084520 # DDR2 SDRAM Timing Low 197d9354530SHolger Brunck# bit 3-0: 0, required 198d9354530SHolger Brunck# bit 7-4: 2, M_ODT assertion 2 cycles after read start command 199d9354530SHolger Brunck# bit 11-8: 5, M_ODT de-assertion 5 cycles after read start command 200d9354530SHolger Brunck# (ODT turn off delay 2,5 clk cycles) 201d9354530SHolger Brunck# bit 15-12: 4, internal ODT time based on bit 7-4 202d9354530SHolger Brunck# with the considered SDRAM internal delay 203d9354530SHolger Brunck# bit 19-16: 8, internal ODT de-assertion based on bit 11-8 204d9354530SHolger Brunck# with the considered SDRAM internal delay 205d9354530SHolger Brunck# bit 31-20: 0, required 206d9354530SHolger Brunck 207d9354530SHolger BrunckDATA 0xFFD0147c 0x00008452 # DDR2 SDRAM Timing High 208d9354530SHolger Brunck# bit 3-0: 2, M_ODT assertion same as bit 11-8 209d9354530SHolger Brunck# bit 7-4: 5, M_ODT de-assertion same as bit 15-12 210d9354530SHolger Brunck# bit 11-8: 4, internal ODT assertion 2 cycles after write start command 211d9354530SHolger Brunck# with the considered SDRAM internal delay 212d9354530SHolger Brunck# bit 15-12: 8, internal ODT de-assertion 5 cycles after write start command 213d9354530SHolger Brunck# with the considered SDRAM internal delay 214d9354530SHolger Brunck 215d9354530SHolger BrunckDATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0 216d9354530SHolger Brunck# bit 23-0: 0, reserved 217d9354530SHolger Brunck# bit 31-24: 0, CPU CS Window0 Base Address, addr bits [31:24] 218d9354530SHolger Brunck 219d9354530SHolger BrunckDATA 0xFFD01504 0x1FFFFFF1 # CS[0]n Size 220d9354530SHolger Brunck# bit 0: 1, Window enabled 221d9354530SHolger Brunck# bit 1: 0, Write Protect disabled 222d9354530SHolger Brunck# bit 3-2: 0, CS0 hit selected 223d9354530SHolger Brunck# bit 23-4:ones, required 224d9354530SHolger Brunck# bit 31-24:0x1F, Size (i.e. 512MB) 225d9354530SHolger Brunck 226d9354530SHolger BrunckDATA 0xFFD0150C 0x00000000 # CS[1]n Size, window disabled 227d9354530SHolger BrunckDATA 0xFFD01514 0x00000000 # CS[2]n Size, window disabled 228d9354530SHolger BrunckDATA 0xFFD0151C 0x00000000 # CS[3]n Size, window disabled 229d9354530SHolger Brunck 230d9354530SHolger BrunckDATA 0xFFD01494 0x00010000 # DDR ODT Control (Low) 231d9354530SHolger Brunck# bit 3-0: 0, ODT0Rd, MODT[0] not asserted during read from DRAM CS0 232d9354530SHolger Brunck# bit 7-4: 0, ODT0Rd, MODT[1] not asserted 233d9354530SHolger Brunck# bit 11-8: 0, required 234d9354530SHolger Brunck# big 15-11: 0, required 235d9354530SHolger Brunck# bit 19-16: 1, ODT0Wr, MODT[0] asserted during write to DRAM CS0 236d9354530SHolger Brunck# bit 23-20: 0, ODT0Wr, MODT[1] not asserted 237d9354530SHolger Brunck# bit 27-24: 0, required 238d9354530SHolger Brunck# bit 31-28: 0, required 239d9354530SHolger Brunck 240d9354530SHolger BrunckDATA 0xFFD01498 0x00000004 # DDR ODT Control (High) 241d9354530SHolger Brunck# bit 1-0: 0, ODT0 controlled by ODT Control (low) register above 242d9354530SHolger Brunck# bit 3-2: 1, ODT1 never active 243d9354530SHolger Brunck# bit 31-4: 0, required 244d9354530SHolger Brunck 245d9354530SHolger BrunckDATA 0xFFD0149C 0x0000E801 # CPU ODT Control 246d9354530SHolger Brunck# bit 3-0: 1, ODT0Rd, Internal ODT asserted during read from DRAM bank0 247d9354530SHolger Brunck# bit 7-4: 0, ODT0Wr, Internal ODT not asserted during write to DRAM bank0 248d9354530SHolger Brunck# bit 9-8: 0, ODTEn, controlled by ODT0Rd and ODT0Wr 249d9354530SHolger Brunck# bit 11-10: 2, DQ_ODTSel. ODT select turned on, 75 ohm 250d9354530SHolger Brunck# bit 13-12: 2, STARTBURST ODT buffer selected, 75 ohm 251d9354530SHolger Brunck# bit 14: 1, STARTBURST ODT enabled 252d9354530SHolger Brunck# bit 15: 1, Use ODT Block 253d9354530SHolger Brunck 254d9354530SHolger BrunckDATA 0xFFD01480 0x00000001 # DDR Initialization Control 255d9354530SHolger Brunck# bit 0: 1, enable DDR init upon this register write 256d9354530SHolger Brunck# bit 31-1: 0, reserved 257d9354530SHolger Brunck 258d9354530SHolger Brunck# End of Header extension 259d9354530SHolger BrunckDATA 0x0 0x0 260