18170aefcSHolger Brunck# 28170aefcSHolger Brunck# (C) Copyright 2010 38170aefcSHolger Brunck# Heiko Schocher, DENX Software Engineering, hs@denx.de. 48170aefcSHolger Brunck# 58170aefcSHolger Brunck# (C) Copyright 2012 68170aefcSHolger Brunck# Valentin Longchamp, Keymile AG, valentin.longchamp@keymile.com 78170aefcSHolger Brunck# Stefan Bigler, Keymile AG, stefan.bigler@keymile.com 88170aefcSHolger Brunck# 98170aefcSHolger Brunck# (C) Copyright 2012 10*1a459660SWolfgang Denk# SPDX-License-Identifier: GPL-2.0+ 118170aefcSHolger Brunck# 12b1e6c4c3SAnatolij Gustschin# Refer doc/README.kwbimage for more details about how-to configure 138170aefcSHolger Brunck# and create kirkwood boot image 148170aefcSHolger Brunck# 158170aefcSHolger Brunck 168170aefcSHolger Brunck# Boot Media configurations 178170aefcSHolger BrunckBOOT_FROM spi # Boot from SPI flash 188170aefcSHolger Brunck 198170aefcSHolger BrunckDATA 0xFFD10000 0x01112222 # MPP Control 0 Register 208170aefcSHolger Brunck# bit 3-0: 2, MPPSel0 SPI_CSn (1=NF_IO[2]) 218170aefcSHolger Brunck# bit 7-4: 2, MPPSel1 SPI_SI (1=NF_IO[3]) 228170aefcSHolger Brunck# bit 12-8: 2, MPPSel2 SPI_SCK (1=NF_IO[4]) 238170aefcSHolger Brunck# bit 15-12: 2, MPPSel3 SPI_SO (1=NF_IO[5]) 248170aefcSHolger Brunck# bit 19-16: 1, MPPSel4 NF_IO[6] 258170aefcSHolger Brunck# bit 23-20: 1, MPPSel5 NF_IO[7] 268170aefcSHolger Brunck# bit 27-24: 1, MPPSel6 SYSRST_O 278170aefcSHolger Brunck# bit 31-28: 0, MPPSel7 GPO[7] 288170aefcSHolger Brunck 298170aefcSHolger BrunckDATA 0xFFD10004 0x03303300 # MPP Control 1 Register 308170aefcSHolger Brunck# bit 3-0: 0, MPPSel8 GPIO[8] 318170aefcSHolger Brunck# bit 7-4: 0, MPPSel9 GPIO[9] 328170aefcSHolger Brunck# bit 12-8: 3, MPPSel10 UA0_TXD 338170aefcSHolger Brunck# bit 15-12: 3, MPPSel11 UA0_RXD 348170aefcSHolger Brunck# bit 19-16: 0, MPPSel12 not connected 358170aefcSHolger Brunck# bit 23-20: 3, MPPSel13 UA1_TXD 368170aefcSHolger Brunck# bit 27-24: 3, MPPSel14 UA1_RXD 378170aefcSHolger Brunck# bit 31-28: 0, MPPSel15 GPIO[15] 388170aefcSHolger Brunck 398170aefcSHolger BrunckDATA 0xFFD10008 0x00001100 # MPP Control 2 Register 408170aefcSHolger Brunck# bit 3-0: 0, MPPSel16 GPIO[16] 418170aefcSHolger Brunck# bit 7-4: 0, MPPSel17 not connected 428170aefcSHolger Brunck# bit 12-8: 1, MPPSel18 NF_IO[0] 438170aefcSHolger Brunck# bit 15-12: 1, MPPSel19 NF_IO[1] 448170aefcSHolger Brunck# bit 19-16: 0, MPPSel20 GPIO[20] 458170aefcSHolger Brunck# bit 23-20: 0, MPPSel21 GPIO[21] 468170aefcSHolger Brunck# bit 27-24: 0, MPPSel22 GPIO[22] 478170aefcSHolger Brunck# bit 31-28: 0, MPPSel23 GPIO[23] 488170aefcSHolger Brunck 498170aefcSHolger Brunck# MPP Control 3-6 Register untouched (MPP24-49) 508170aefcSHolger Brunck 518170aefcSHolger BrunckDATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register 528170aefcSHolger Brunck# bit 2-0: 3, Reserved 538170aefcSHolger Brunck# bit 5-3: 3, Reserved 548170aefcSHolger Brunck# bit 6: 0, Reserved 558170aefcSHolger Brunck# bit 7: 0, RGMII-pads voltage = 3.3V 568170aefcSHolger Brunck# bit 10-8: 3, Reserved 578170aefcSHolger Brunck# bit 13-11: 3, Reserved 588170aefcSHolger Brunck# bit 14: 0, Reserved 598170aefcSHolger Brunck# bit 15: 0, MPP RGMII-pads voltage = 3.3V 608170aefcSHolger Brunck# bit 31-16 0x1B1B, Reserved 618170aefcSHolger Brunck 628170aefcSHolger BrunckDATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register 638170aefcSHolger Brunck# bit 0-1: 2, Tag RAM RTC RAM0 648170aefcSHolger Brunck# bit 3-2: 1, Tag RAM WTC RAM0 658170aefcSHolger Brunck# bit 7-4: 6, Reserve 668170aefcSHolger Brunck# bit 9-8: 2, Valid RAM RTC RAM 678170aefcSHolger Brunck# bit 11-10: 1, Valid RAM WTC RAM 688170aefcSHolger Brunck# bit 13-12: 2, Dirty RAM RTC RAM 698170aefcSHolger Brunck# bit 15-14: 1, Dirty RAM WTC RAM 708170aefcSHolger Brunck# bit 17-16: 2, Data RAM RTC RAM0 718170aefcSHolger Brunck# bit 19-18: 1, Data RAM WTC RAM0 728170aefcSHolger Brunck# bit 21-20: 2, Data RAM RTC RAM1 738170aefcSHolger Brunck# bit 23-22: 1, Data RAM WTC RAM1 748170aefcSHolger Brunck# bit 25-24: 2, Data RAM RTC RAM2 758170aefcSHolger Brunck# bit 27-26: 1, Data RAM WTC RAM2 768170aefcSHolger Brunck# bit 29-28: 2, Data RAM RTC RAM3 778170aefcSHolger Brunck# bit 31-30: 1, Data RAM WTC RAM4 788170aefcSHolger Brunck 798170aefcSHolger BrunckDATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register 808170aefcSHolger Brunck# bit 15-0: ???, Reserve 818170aefcSHolger Brunck# bit 17-16: 2, ECC RAM RTC RAM0 828170aefcSHolger Brunck# bit 19-18: 1, ECC RAM WTC RAM0 838170aefcSHolger Brunck# bit 31-20: ???,Reserve 848170aefcSHolger Brunck 852472216cSHolger Brunck# NOTE: Don't write on 0x20148 , 0x2014c and 0x20154, leave them untouched! 862472216cSHolger Brunck# If not it could cause KW Exceptions during boot in Fast Corners/High Voltage 878170aefcSHolger Brunck 888170aefcSHolger Brunck# SDRAM initalization 898170aefcSHolger BrunckDATA 0xFFD01400 0x430004E0 # SDRAM Configuration Register 908170aefcSHolger Brunck# bit 13-0: 0x4E0, DDR2 clks refresh rate 918170aefcSHolger Brunck# bit 14: 0, reserved 928170aefcSHolger Brunck# bit 15: 0, reserved 938170aefcSHolger Brunck# bit 16: 0, CPU to Dram Write buffer policy 948170aefcSHolger Brunck# bit 17: 0, Enable Registered DIMM or Equivalent Sampling Logic 958170aefcSHolger Brunck# bit 19-18: 0, reserved 968170aefcSHolger Brunck# bit 23-20: 0, reserved 978170aefcSHolger Brunck# bit 24: 1, enable exit self refresh mode on DDR access 988170aefcSHolger Brunck# bit 25: 1, required 998170aefcSHolger Brunck# bit 29-26: 0, reserved 1008170aefcSHolger Brunck# bit 31-30: 1, reserved 1018170aefcSHolger Brunck 1028170aefcSHolger BrunckDATA 0xFFD01404 0x36543000 # DDR Controller Control Low 1038170aefcSHolger Brunck# bit 3-0: 0, reserved 1048170aefcSHolger Brunck# bit 4: 0, 2T mode =addr/cmd in same cycle 1058170aefcSHolger Brunck# bit 5: 0, clk is driven during self refresh, we don't care for APX 1068170aefcSHolger Brunck# bit 6: 0, use recommended falling edge of clk for addr/cmd 1078170aefcSHolger Brunck# bit 7-11: 0, reserved 1088170aefcSHolger Brunck# bit 12-13: 1, reserved, required 1 1098170aefcSHolger Brunck# bit 14: 0, input buffer always powered up 1108170aefcSHolger Brunck# bit 17-15: 0, reserved 1118170aefcSHolger Brunck# bit 18: 1, cpu lock transaction enabled 1128170aefcSHolger Brunck# bit 19: 0, reserved 1138170aefcSHolger Brunck# bit 23-20: 5, recommended value for CL=4 and STARTBURST_DEL disabled bit31=0 1148170aefcSHolger Brunck# bit 27-24: 6, CL+1, STARTBURST sample stages, for freqs 200-399MHz, unbuffered DIMM 1158170aefcSHolger Brunck# bit 30-28: 3, required 1168170aefcSHolger Brunck# bit 31: 0,no additional STARTBURST delay 1178170aefcSHolger Brunck 1188170aefcSHolger BrunckDATA 0xFFD01408 0x2302444e # DDR Timing (Low) (active cycles value +1) 1198170aefcSHolger Brunck# bit 3-0: 0xE, TRAS, 15 clk (45 ns) 1208170aefcSHolger Brunck# bit 7-4: 0x4, TRCD, 5 clk (15 ns) 1218170aefcSHolger Brunck# bit 11-8: 0x4, TRP, 5 clk (15 ns) 1228170aefcSHolger Brunck# bit 15-12: 0x4, TWR, 5 clk (15 ns) 1238170aefcSHolger Brunck# bit 19-16: 0x2, TWTR, 3 clk (7.5 ns) 1248170aefcSHolger Brunck# bit 20: 0, extended TRAS msb 1258170aefcSHolger Brunck# bit 23-21: 0, reserved 1268170aefcSHolger Brunck# bit 27-24: 0x3, TRRD, 4 clk (10 ns) 1278170aefcSHolger Brunck# bit 31-28: 0x2, TRTP, 3 clk (7.5 ns) 1288170aefcSHolger Brunck 1298170aefcSHolger BrunckDATA 0xFFD0140C 0x0000003e # DDR Timing (High) 1308170aefcSHolger Brunck# bit 6-0: 0x3E, TRFC, 63 clk (195 ns) 1318170aefcSHolger Brunck# bit 8-7: 0, TR2R 1328170aefcSHolger Brunck# bit 10-9: 0, TR2W 1338170aefcSHolger Brunck# bit 12-11: 0, TW2W 1348170aefcSHolger Brunck# bit 31-13: 0, reserved 1358170aefcSHolger Brunck 1368170aefcSHolger BrunckDATA 0xFFD01410 0x00000001 # DDR Address Control 1378170aefcSHolger Brunck# bit 1-0: 1, Cs0width=x16 1388170aefcSHolger Brunck# bit 3-2: 0, Cs0size=2Gb 1398170aefcSHolger Brunck# bit 5-4: 0, Cs1width=nonexistent 1408170aefcSHolger Brunck# bit 7-6: 0, Cs1size =nonexistent 1418170aefcSHolger Brunck# bit 9-8: 0, Cs2width=nonexistent 1428170aefcSHolger Brunck# bit 11-10: 0, Cs2size =nonexistent 1438170aefcSHolger Brunck# bit 13-12: 0, Cs3width=nonexistent 1448170aefcSHolger Brunck# bit 15-14: 0, Cs3size =nonexistent 1458170aefcSHolger Brunck# bit 16: 0, Cs0AddrSel 1468170aefcSHolger Brunck# bit 17: 0, Cs1AddrSel 1478170aefcSHolger Brunck# bit 18: 0, Cs2AddrSel 1488170aefcSHolger Brunck# bit 19: 0, Cs3AddrSel 1498170aefcSHolger Brunck# bit 31-20: 0, required 1508170aefcSHolger Brunck 1518170aefcSHolger BrunckDATA 0xFFD01414 0x00000000 # DDR Open Pages Control 1528170aefcSHolger Brunck# bit 0: 0, OpenPage enabled 1538170aefcSHolger Brunck# bit 31-1: 0, required 1548170aefcSHolger Brunck 1558170aefcSHolger BrunckDATA 0xFFD01418 0x00000000 # DDR Operation 1568170aefcSHolger Brunck# bit 3-0: 0, DDR cmd 1578170aefcSHolger Brunck# bit 31-4: 0, required 1588170aefcSHolger Brunck 1598170aefcSHolger BrunckDATA 0xFFD0141C 0x00000652 # DDR Mode 1608170aefcSHolger Brunck# bit 2-0: 2, Burst Length = 4 1618170aefcSHolger Brunck# bit 3: 0, Burst Type 1628170aefcSHolger Brunck# bit 6-4: 5, CAS Latency = 5 1638170aefcSHolger Brunck# bit 7: 0, Test mode 1648170aefcSHolger Brunck# bit 8: 0, DLL Reset 1658170aefcSHolger Brunck# bit 11-9: 3, Write recovery for auto-precharge must be 3 1668170aefcSHolger Brunck# bit 12: 0, Active power down exit time, fast exit 1678170aefcSHolger Brunck# bit 14-13: 0, reserved 1688170aefcSHolger Brunck# bit 31-15: 0, reserved 1698170aefcSHolger Brunck 1708170aefcSHolger BrunckDATA 0xFFD01420 0x00000006 # DDR Extended Mode 1718170aefcSHolger Brunck# bit 0: 0, DDR DLL enabled 1728170aefcSHolger Brunck# bit 1: 1, DDR drive strength reduced 1738170aefcSHolger Brunck# bit 2: 1, DDR ODT control lsb, 75 ohm termination [RTT0] 1748170aefcSHolger Brunck# bit 5-3: 0, required 1758170aefcSHolger Brunck# bit 6: 0, DDR ODT control msb, 75 ohm termination [RTT1] 1768170aefcSHolger Brunck# bit 9-7: 0, required 1778170aefcSHolger Brunck# bit 10: 0, differential DQS enabled 1788170aefcSHolger Brunck# bit 11: 0, required 1798170aefcSHolger Brunck# bit 12: 0, DDR output buffer enabled 1808170aefcSHolger Brunck# bit 31-13: 0 required 1818170aefcSHolger Brunck 1828170aefcSHolger BrunckDATA 0xFFD01424 0x0000F17F # DDR Controller Control High 1838170aefcSHolger Brunck# bit 2-0: 7, required 1848170aefcSHolger Brunck# bit 3: 1, MBUS Burst Chop disabled 1858170aefcSHolger Brunck# bit 6-4: 7, required 1868170aefcSHolger Brunck# bit 7: 0, reserved 1878170aefcSHolger Brunck# bit 8: 1, add sample stage required for f > 266 MHz 1888170aefcSHolger Brunck# bit 9: 0, no half clock cycle addition to dataout 1898170aefcSHolger Brunck# bit 10: 0, 1/4 clock cycle skew enabled for addr/ctl signals 1908170aefcSHolger Brunck# bit 11: 0, 1/4 clock cycle skew disabled for write mesh 1918170aefcSHolger Brunck# bit 15-12:0xf, required 1928170aefcSHolger Brunck# bit 31-16: 0, required 1938170aefcSHolger Brunck 1948170aefcSHolger BrunckDATA 0xFFD01428 0x00084520 # DDR2 SDRAM Timing Low 1958170aefcSHolger Brunck# bit 3-0: 0, required 1968170aefcSHolger Brunck# bit 7-4: 2, M_ODT assertion 2 cycles after read start command 1978170aefcSHolger Brunck# bit 11-8: 5, M_ODT de-assertion 5 cycles after read start command 1988170aefcSHolger Brunck# (ODT turn off delay 2,5 clk cycles) 1998170aefcSHolger Brunck# bit 15-12: 4, internal ODT time based on bit 7-4 2008170aefcSHolger Brunck# with the considered SDRAM internal delay 2018170aefcSHolger Brunck# bit 19-16: 8, internal ODT de-assertion based on bit 11-8 2028170aefcSHolger Brunck# with the considered SDRAM internal delay 2038170aefcSHolger Brunck# bit 31-20: 0, required 2048170aefcSHolger Brunck 2058170aefcSHolger BrunckDATA 0xFFD0147c 0x00008452 # DDR2 SDRAM Timing High 2068170aefcSHolger Brunck# bit 3-0: 2, M_ODT assertion same as bit 11-8 2078170aefcSHolger Brunck# bit 7-4: 5, M_ODT de-assertion same as bit 15-12 2088170aefcSHolger Brunck# bit 11-8: 4, internal ODT assertion 2 cycles after write start command 2098170aefcSHolger Brunck# with the considered SDRAM internal delay 2108170aefcSHolger Brunck# bit 15-12: 8, internal ODT de-assertion 5 cycles after write start command 2118170aefcSHolger Brunck# with the considered SDRAM internal delay 2128170aefcSHolger Brunck 2138170aefcSHolger BrunckDATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0 2148170aefcSHolger Brunck# bit 23-0: 0, reserved 2158170aefcSHolger Brunck# bit 31-24: 0, CPU CS Window0 Base Address, addr bits [31:24] 2168170aefcSHolger Brunck 2178170aefcSHolger BrunckDATA 0xFFD01504 0x0FFFFFF1 # CS[0]n Size 2188170aefcSHolger Brunck# bit 0: 1, Window enabled 2198170aefcSHolger Brunck# bit 1: 0, Write Protect disabled 2208170aefcSHolger Brunck# bit 3-2: 0, CS0 hit selected 2218170aefcSHolger Brunck# bit 23-4:ones, required 2228170aefcSHolger Brunck# bit 31-24: 0x0F, Size (i.e. 256MB) 2238170aefcSHolger Brunck 2248170aefcSHolger BrunckDATA 0xFFD0150C 0x00000000 # CS[1]n Size, window disabled 2258170aefcSHolger BrunckDATA 0xFFD01514 0x00000000 # CS[2]n Size, window disabled 2268170aefcSHolger BrunckDATA 0xFFD0151C 0x00000000 # CS[3]n Size, window disabled 2278170aefcSHolger Brunck 2288170aefcSHolger BrunckDATA 0xFFD01494 0x00010000 # DDR ODT Control (Low) 2298170aefcSHolger Brunck# bit 3-0: 0, ODT0Rd, MODT[0] not asserted during read from DRAM CS0 2308170aefcSHolger Brunck# bit 7-4: 0, ODT0Rd, MODT[1] not asserted 2318170aefcSHolger Brunck# bit 11-8: 0, required 2328170aefcSHolger Brunck# big 15-11: 0, required 2338170aefcSHolger Brunck# bit 19-16: 1, ODT0Wr, MODT[0] asserted during write to DRAM CS0 2348170aefcSHolger Brunck# bit 23-20: 0, ODT0Wr, MODT[1] not asserted 2358170aefcSHolger Brunck# bit 27-24: 0, required 2368170aefcSHolger Brunck# bit 31-28: 0, required 2378170aefcSHolger Brunck 2388170aefcSHolger BrunckDATA 0xFFD01498 0x00000000 # DDR ODT Control (High) 2398170aefcSHolger Brunck# bit 1-0: 0, ODT0 controlled by ODT Control (low) register above 2408170aefcSHolger Brunck# bit 3-2: 0, ODT1 controlled by register 2418170aefcSHolger Brunck# bit 31-4: 0, required 2428170aefcSHolger Brunck 2438170aefcSHolger BrunckDATA 0xFFD0149C 0x0000E801 # CPU ODT Control 2448170aefcSHolger Brunck# bit 3-0: 1, ODTRd, Internal ODT asserted during read from DRAM bank0 2458170aefcSHolger Brunck# bit 7-4: 0, ODTWr, Internal ODT not asserted during write to DRAM 2468170aefcSHolger Brunck# bit 9-8: 0, ODTEn, controlled by ODTRd and ODTWr 2478170aefcSHolger Brunck# bit 11-10: 2, DQ_ODTSel. ODT select turned on, 75 ohm 2488170aefcSHolger Brunck# bit 13-12: 2, STARTBURST ODT buffer selected, 75 ohm 2498170aefcSHolger Brunck# bit 14: 1, STARTBURST ODT enabled 2508170aefcSHolger Brunck# bit 15: 1, Use ODT Block 2518170aefcSHolger Brunck 2528170aefcSHolger BrunckDATA 0xFFD01480 0x00000001 # DDR Initialization Control 2538170aefcSHolger Brunck# bit 0: 1, enable DDR init upon this register write 2548170aefcSHolger Brunck# bit 31-1: 0, reserved 2558170aefcSHolger Brunck 2568170aefcSHolger Brunck# End of Header extension 2578170aefcSHolger BrunckDATA 0x0 0x0 258