1*4882a593Smuzhiyun# 2*4882a593Smuzhiyun# (C) Copyright 2010 3*4882a593Smuzhiyun# Heiko Schocher, DENX Software Engineering, hs@denx.de. 4*4882a593Smuzhiyun# 5*4882a593Smuzhiyun# (C) Copyright 2012 6*4882a593Smuzhiyun# Valentin Longchamp, Keymile AG, valentin.longchamp@keymile.com 7*4882a593Smuzhiyun# Stefan Bigler, Keymile AG, stefan.bigler@keymile.com 8*4882a593Smuzhiyun# 9*4882a593Smuzhiyun# (C) Copyright 2012 10*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0+ 11*4882a593Smuzhiyun# 12*4882a593Smuzhiyun# Refer doc/README.kwbimage for more details about how-to configure 13*4882a593Smuzhiyun# and create kirkwood boot image 14*4882a593Smuzhiyun# 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun# Boot Media configurations 17*4882a593SmuzhiyunBOOT_FROM spi # Boot from SPI flash 18*4882a593Smuzhiyun 19*4882a593SmuzhiyunDATA 0xFFD10000 0x01112222 # MPP Control 0 Register 20*4882a593Smuzhiyun# bit 3-0: 2, MPPSel0 SPI_CSn (1=NF_IO[2]) 21*4882a593Smuzhiyun# bit 7-4: 2, MPPSel1 SPI_SI (1=NF_IO[3]) 22*4882a593Smuzhiyun# bit 12-8: 2, MPPSel2 SPI_SCK (1=NF_IO[4]) 23*4882a593Smuzhiyun# bit 15-12: 2, MPPSel3 SPI_SO (1=NF_IO[5]) 24*4882a593Smuzhiyun# bit 19-16: 1, MPPSel4 NF_IO[6] 25*4882a593Smuzhiyun# bit 23-20: 1, MPPSel5 NF_IO[7] 26*4882a593Smuzhiyun# bit 27-24: 1, MPPSel6 SYSRST_O 27*4882a593Smuzhiyun# bit 31-28: 0, MPPSel7 GPO[7] 28*4882a593Smuzhiyun 29*4882a593SmuzhiyunDATA 0xFFD10004 0x03303300 # MPP Control 1 Register 30*4882a593Smuzhiyun# bit 3-0: 0, MPPSel8 GPIO[8] 31*4882a593Smuzhiyun# bit 7-4: 0, MPPSel9 GPIO[9] 32*4882a593Smuzhiyun# bit 12-8: 3, MPPSel10 UA0_TXD 33*4882a593Smuzhiyun# bit 15-12: 3, MPPSel11 UA0_RXD 34*4882a593Smuzhiyun# bit 19-16: 0, MPPSel12 not connected 35*4882a593Smuzhiyun# bit 23-20: 3, MPPSel13 UA1_TXD 36*4882a593Smuzhiyun# bit 27-24: 3, MPPSel14 UA1_RXD 37*4882a593Smuzhiyun# bit 31-28: 0, MPPSel15 GPIO[15] 38*4882a593Smuzhiyun 39*4882a593SmuzhiyunDATA 0xFFD10008 0x00001100 # MPP Control 2 Register 40*4882a593Smuzhiyun# bit 3-0: 0, MPPSel16 GPIO[16] 41*4882a593Smuzhiyun# bit 7-4: 0, MPPSel17 not connected 42*4882a593Smuzhiyun# bit 12-8: 1, MPPSel18 NF_IO[0] 43*4882a593Smuzhiyun# bit 15-12: 1, MPPSel19 NF_IO[1] 44*4882a593Smuzhiyun# bit 19-16: 0, MPPSel20 GPIO[20] 45*4882a593Smuzhiyun# bit 23-20: 0, MPPSel21 GPIO[21] 46*4882a593Smuzhiyun# bit 27-24: 0, MPPSel22 GPIO[22] 47*4882a593Smuzhiyun# bit 31-28: 0, MPPSel23 GPIO[23] 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun# MPP Control 3-6 Register untouched (MPP24-49) 50*4882a593Smuzhiyun 51*4882a593SmuzhiyunDATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register 52*4882a593Smuzhiyun# bit 2-0: 3, Reserved 53*4882a593Smuzhiyun# bit 5-3: 3, Reserved 54*4882a593Smuzhiyun# bit 6: 0, Reserved 55*4882a593Smuzhiyun# bit 7: 0, RGMII-pads voltage = 3.3V 56*4882a593Smuzhiyun# bit 10-8: 3, Reserved 57*4882a593Smuzhiyun# bit 13-11: 3, Reserved 58*4882a593Smuzhiyun# bit 14: 0, Reserved 59*4882a593Smuzhiyun# bit 15: 0, MPP RGMII-pads voltage = 3.3V 60*4882a593Smuzhiyun# bit 31-16 0x1B1B, Reserved 61*4882a593Smuzhiyun 62*4882a593SmuzhiyunDATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register 63*4882a593Smuzhiyun# bit 0-1: 2, Tag RAM RTC RAM0 64*4882a593Smuzhiyun# bit 3-2: 1, Tag RAM WTC RAM0 65*4882a593Smuzhiyun# bit 7-4: 6, Reserve 66*4882a593Smuzhiyun# bit 9-8: 2, Valid RAM RTC RAM 67*4882a593Smuzhiyun# bit 11-10: 1, Valid RAM WTC RAM 68*4882a593Smuzhiyun# bit 13-12: 2, Dirty RAM RTC RAM 69*4882a593Smuzhiyun# bit 15-14: 1, Dirty RAM WTC RAM 70*4882a593Smuzhiyun# bit 17-16: 2, Data RAM RTC RAM0 71*4882a593Smuzhiyun# bit 19-18: 1, Data RAM WTC RAM0 72*4882a593Smuzhiyun# bit 21-20: 2, Data RAM RTC RAM1 73*4882a593Smuzhiyun# bit 23-22: 1, Data RAM WTC RAM1 74*4882a593Smuzhiyun# bit 25-24: 2, Data RAM RTC RAM2 75*4882a593Smuzhiyun# bit 27-26: 1, Data RAM WTC RAM2 76*4882a593Smuzhiyun# bit 29-28: 2, Data RAM RTC RAM3 77*4882a593Smuzhiyun# bit 31-30: 1, Data RAM WTC RAM4 78*4882a593Smuzhiyun 79*4882a593SmuzhiyunDATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register 80*4882a593Smuzhiyun# bit 15-0: ???, Reserve 81*4882a593Smuzhiyun# bit 17-16: 2, ECC RAM RTC RAM0 82*4882a593Smuzhiyun# bit 19-18: 1, ECC RAM WTC RAM0 83*4882a593Smuzhiyun# bit 31-20: ???,Reserve 84*4882a593Smuzhiyun 85*4882a593Smuzhiyun# NOTE: Don't write on 0x20148 , 0x2014c and 0x20154, leave them untouched! 86*4882a593Smuzhiyun# If not it could cause KW Exceptions during boot in Fast Corners/High Voltage 87*4882a593Smuzhiyun 88*4882a593Smuzhiyun# SDRAM initalization 89*4882a593SmuzhiyunDATA 0xFFD01400 0x430004E0 # SDRAM Configuration Register 90*4882a593Smuzhiyun# bit 13-0: 0x4E0, DDR2 clks refresh rate 91*4882a593Smuzhiyun# bit 14: 0, reserved 92*4882a593Smuzhiyun# bit 15: 0, reserved 93*4882a593Smuzhiyun# bit 16: 0, CPU to Dram Write buffer policy 94*4882a593Smuzhiyun# bit 17: 0, Enable Registered DIMM or Equivalent Sampling Logic 95*4882a593Smuzhiyun# bit 19-18: 0, reserved 96*4882a593Smuzhiyun# bit 23-20: 0, reserved 97*4882a593Smuzhiyun# bit 24: 1, enable exit self refresh mode on DDR access 98*4882a593Smuzhiyun# bit 25: 1, required 99*4882a593Smuzhiyun# bit 29-26: 0, reserved 100*4882a593Smuzhiyun# bit 31-30: 1, reserved 101*4882a593Smuzhiyun 102*4882a593SmuzhiyunDATA 0xFFD01404 0x36543000 # DDR Controller Control Low 103*4882a593Smuzhiyun# bit 3-0: 0, reserved 104*4882a593Smuzhiyun# bit 4: 0, 2T mode =addr/cmd in same cycle 105*4882a593Smuzhiyun# bit 5: 0, clk is driven during self refresh, we don't care for APX 106*4882a593Smuzhiyun# bit 6: 0, use recommended falling edge of clk for addr/cmd 107*4882a593Smuzhiyun# bit 7-11: 0, reserved 108*4882a593Smuzhiyun# bit 12-13: 1, reserved, required 1 109*4882a593Smuzhiyun# bit 14: 0, input buffer always powered up 110*4882a593Smuzhiyun# bit 17-15: 0, reserved 111*4882a593Smuzhiyun# bit 18: 1, cpu lock transaction enabled 112*4882a593Smuzhiyun# bit 19: 0, reserved 113*4882a593Smuzhiyun# bit 23-20: 5, recommended value for CL=4 and STARTBURST_DEL disabled bit31=0 114*4882a593Smuzhiyun# bit 27-24: 6, CL+1, STARTBURST sample stages, for freqs 200-399MHz, unbuffered DIMM 115*4882a593Smuzhiyun# bit 30-28: 3, required 116*4882a593Smuzhiyun# bit 31: 0,no additional STARTBURST delay 117*4882a593Smuzhiyun 118*4882a593SmuzhiyunDATA 0xFFD01408 0x2302444e # DDR Timing (Low) (active cycles value +1) 119*4882a593Smuzhiyun# bit 3-0: 0xE, TRAS, 15 clk (45 ns) 120*4882a593Smuzhiyun# bit 7-4: 0x4, TRCD, 5 clk (15 ns) 121*4882a593Smuzhiyun# bit 11-8: 0x4, TRP, 5 clk (15 ns) 122*4882a593Smuzhiyun# bit 15-12: 0x4, TWR, 5 clk (15 ns) 123*4882a593Smuzhiyun# bit 19-16: 0x2, TWTR, 3 clk (7.5 ns) 124*4882a593Smuzhiyun# bit 20: 0, extended TRAS msb 125*4882a593Smuzhiyun# bit 23-21: 0, reserved 126*4882a593Smuzhiyun# bit 27-24: 0x3, TRRD, 4 clk (10 ns) 127*4882a593Smuzhiyun# bit 31-28: 0x2, TRTP, 3 clk (7.5 ns) 128*4882a593Smuzhiyun 129*4882a593SmuzhiyunDATA 0xFFD0140C 0x0000003e # DDR Timing (High) 130*4882a593Smuzhiyun# bit 6-0: 0x3E, TRFC, 63 clk (195 ns) 131*4882a593Smuzhiyun# bit 8-7: 0, TR2R 132*4882a593Smuzhiyun# bit 10-9: 0, TR2W 133*4882a593Smuzhiyun# bit 12-11: 0, TW2W 134*4882a593Smuzhiyun# bit 31-13: 0, reserved 135*4882a593Smuzhiyun 136*4882a593SmuzhiyunDATA 0xFFD01410 0x00000001 # DDR Address Control 137*4882a593Smuzhiyun# bit 1-0: 1, Cs0width=x16 138*4882a593Smuzhiyun# bit 3-2: 0, Cs0size=2Gb 139*4882a593Smuzhiyun# bit 5-4: 0, Cs1width=nonexistent 140*4882a593Smuzhiyun# bit 7-6: 0, Cs1size =nonexistent 141*4882a593Smuzhiyun# bit 9-8: 0, Cs2width=nonexistent 142*4882a593Smuzhiyun# bit 11-10: 0, Cs2size =nonexistent 143*4882a593Smuzhiyun# bit 13-12: 0, Cs3width=nonexistent 144*4882a593Smuzhiyun# bit 15-14: 0, Cs3size =nonexistent 145*4882a593Smuzhiyun# bit 16: 0, Cs0AddrSel 146*4882a593Smuzhiyun# bit 17: 0, Cs1AddrSel 147*4882a593Smuzhiyun# bit 18: 0, Cs2AddrSel 148*4882a593Smuzhiyun# bit 19: 0, Cs3AddrSel 149*4882a593Smuzhiyun# bit 31-20: 0, required 150*4882a593Smuzhiyun 151*4882a593SmuzhiyunDATA 0xFFD01414 0x00000000 # DDR Open Pages Control 152*4882a593Smuzhiyun# bit 0: 0, OpenPage enabled 153*4882a593Smuzhiyun# bit 31-1: 0, required 154*4882a593Smuzhiyun 155*4882a593SmuzhiyunDATA 0xFFD01418 0x00000000 # DDR Operation 156*4882a593Smuzhiyun# bit 3-0: 0, DDR cmd 157*4882a593Smuzhiyun# bit 31-4: 0, required 158*4882a593Smuzhiyun 159*4882a593SmuzhiyunDATA 0xFFD0141C 0x00000652 # DDR Mode 160*4882a593Smuzhiyun# bit 2-0: 2, Burst Length = 4 161*4882a593Smuzhiyun# bit 3: 0, Burst Type 162*4882a593Smuzhiyun# bit 6-4: 5, CAS Latency = 5 163*4882a593Smuzhiyun# bit 7: 0, Test mode 164*4882a593Smuzhiyun# bit 8: 0, DLL Reset 165*4882a593Smuzhiyun# bit 11-9: 3, Write recovery for auto-precharge must be 3 166*4882a593Smuzhiyun# bit 12: 0, Active power down exit time, fast exit 167*4882a593Smuzhiyun# bit 14-13: 0, reserved 168*4882a593Smuzhiyun# bit 31-15: 0, reserved 169*4882a593Smuzhiyun 170*4882a593SmuzhiyunDATA 0xFFD01420 0x00000006 # DDR Extended Mode 171*4882a593Smuzhiyun# bit 0: 0, DDR DLL enabled 172*4882a593Smuzhiyun# bit 1: 1, DDR drive strength reduced 173*4882a593Smuzhiyun# bit 2: 1, DDR ODT control lsb, 75 ohm termination [RTT0] 174*4882a593Smuzhiyun# bit 5-3: 0, required 175*4882a593Smuzhiyun# bit 6: 0, DDR ODT control msb, 75 ohm termination [RTT1] 176*4882a593Smuzhiyun# bit 9-7: 0, required 177*4882a593Smuzhiyun# bit 10: 0, differential DQS enabled 178*4882a593Smuzhiyun# bit 11: 0, required 179*4882a593Smuzhiyun# bit 12: 0, DDR output buffer enabled 180*4882a593Smuzhiyun# bit 31-13: 0 required 181*4882a593Smuzhiyun 182*4882a593SmuzhiyunDATA 0xFFD01424 0x0000F17F # DDR Controller Control High 183*4882a593Smuzhiyun# bit 2-0: 7, required 184*4882a593Smuzhiyun# bit 3: 1, MBUS Burst Chop disabled 185*4882a593Smuzhiyun# bit 6-4: 7, required 186*4882a593Smuzhiyun# bit 7: 0, reserved 187*4882a593Smuzhiyun# bit 8: 1, add sample stage required for f > 266 MHz 188*4882a593Smuzhiyun# bit 9: 0, no half clock cycle addition to dataout 189*4882a593Smuzhiyun# bit 10: 0, 1/4 clock cycle skew enabled for addr/ctl signals 190*4882a593Smuzhiyun# bit 11: 0, 1/4 clock cycle skew disabled for write mesh 191*4882a593Smuzhiyun# bit 15-12:0xf, required 192*4882a593Smuzhiyun# bit 31-16: 0, required 193*4882a593Smuzhiyun 194*4882a593SmuzhiyunDATA 0xFFD01428 0x00084520 # DDR2 SDRAM Timing Low 195*4882a593Smuzhiyun# bit 3-0: 0, required 196*4882a593Smuzhiyun# bit 7-4: 2, M_ODT assertion 2 cycles after read start command 197*4882a593Smuzhiyun# bit 11-8: 5, M_ODT de-assertion 5 cycles after read start command 198*4882a593Smuzhiyun# (ODT turn off delay 2,5 clk cycles) 199*4882a593Smuzhiyun# bit 15-12: 4, internal ODT time based on bit 7-4 200*4882a593Smuzhiyun# with the considered SDRAM internal delay 201*4882a593Smuzhiyun# bit 19-16: 8, internal ODT de-assertion based on bit 11-8 202*4882a593Smuzhiyun# with the considered SDRAM internal delay 203*4882a593Smuzhiyun# bit 31-20: 0, required 204*4882a593Smuzhiyun 205*4882a593SmuzhiyunDATA 0xFFD0147c 0x00008452 # DDR2 SDRAM Timing High 206*4882a593Smuzhiyun# bit 3-0: 2, M_ODT assertion same as bit 11-8 207*4882a593Smuzhiyun# bit 7-4: 5, M_ODT de-assertion same as bit 15-12 208*4882a593Smuzhiyun# bit 11-8: 4, internal ODT assertion 2 cycles after write start command 209*4882a593Smuzhiyun# with the considered SDRAM internal delay 210*4882a593Smuzhiyun# bit 15-12: 8, internal ODT de-assertion 5 cycles after write start command 211*4882a593Smuzhiyun# with the considered SDRAM internal delay 212*4882a593Smuzhiyun 213*4882a593SmuzhiyunDATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0 214*4882a593Smuzhiyun# bit 23-0: 0, reserved 215*4882a593Smuzhiyun# bit 31-24: 0, CPU CS Window0 Base Address, addr bits [31:24] 216*4882a593Smuzhiyun 217*4882a593SmuzhiyunDATA 0xFFD01504 0x0FFFFFF1 # CS[0]n Size 218*4882a593Smuzhiyun# bit 0: 1, Window enabled 219*4882a593Smuzhiyun# bit 1: 0, Write Protect disabled 220*4882a593Smuzhiyun# bit 3-2: 0, CS0 hit selected 221*4882a593Smuzhiyun# bit 23-4:ones, required 222*4882a593Smuzhiyun# bit 31-24: 0x0F, Size (i.e. 256MB) 223*4882a593Smuzhiyun 224*4882a593SmuzhiyunDATA 0xFFD0150C 0x00000000 # CS[1]n Size, window disabled 225*4882a593SmuzhiyunDATA 0xFFD01514 0x00000000 # CS[2]n Size, window disabled 226*4882a593SmuzhiyunDATA 0xFFD0151C 0x00000000 # CS[3]n Size, window disabled 227*4882a593Smuzhiyun 228*4882a593SmuzhiyunDATA 0xFFD01494 0x00010000 # DDR ODT Control (Low) 229*4882a593Smuzhiyun# bit 3-0: 0, ODT0Rd, MODT[0] not asserted during read from DRAM CS0 230*4882a593Smuzhiyun# bit 7-4: 0, ODT0Rd, MODT[1] not asserted 231*4882a593Smuzhiyun# bit 11-8: 0, required 232*4882a593Smuzhiyun# big 15-11: 0, required 233*4882a593Smuzhiyun# bit 19-16: 1, ODT0Wr, MODT[0] asserted during write to DRAM CS0 234*4882a593Smuzhiyun# bit 23-20: 0, ODT0Wr, MODT[1] not asserted 235*4882a593Smuzhiyun# bit 27-24: 0, required 236*4882a593Smuzhiyun# bit 31-28: 0, required 237*4882a593Smuzhiyun 238*4882a593SmuzhiyunDATA 0xFFD01498 0x00000000 # DDR ODT Control (High) 239*4882a593Smuzhiyun# bit 1-0: 0, ODT0 controlled by ODT Control (low) register above 240*4882a593Smuzhiyun# bit 3-2: 0, ODT1 controlled by register 241*4882a593Smuzhiyun# bit 31-4: 0, required 242*4882a593Smuzhiyun 243*4882a593SmuzhiyunDATA 0xFFD0149C 0x0000E801 # CPU ODT Control 244*4882a593Smuzhiyun# bit 3-0: 1, ODTRd, Internal ODT asserted during read from DRAM bank0 245*4882a593Smuzhiyun# bit 7-4: 0, ODTWr, Internal ODT not asserted during write to DRAM 246*4882a593Smuzhiyun# bit 9-8: 0, ODTEn, controlled by ODTRd and ODTWr 247*4882a593Smuzhiyun# bit 11-10: 2, DQ_ODTSel. ODT select turned on, 75 ohm 248*4882a593Smuzhiyun# bit 13-12: 2, STARTBURST ODT buffer selected, 75 ohm 249*4882a593Smuzhiyun# bit 14: 1, STARTBURST ODT enabled 250*4882a593Smuzhiyun# bit 15: 1, Use ODT Block 251*4882a593Smuzhiyun 252*4882a593SmuzhiyunDATA 0xFFD01480 0x00000001 # DDR Initialization Control 253*4882a593Smuzhiyun# bit 0: 1, enable DDR init upon this register write 254*4882a593Smuzhiyun# bit 31-1: 0, reserved 255*4882a593Smuzhiyun 256*4882a593Smuzhiyun# End of Header extension 257*4882a593SmuzhiyunDATA 0x0 0x0 258