Holger Brunck | 2ef4295 | 2012-07-05 05:37:46 +0000 | [diff] [blame] | 1 | # |
| 2 | # (C) Copyright 2010 |
| 3 | # Heiko Schocher, DENX Software Engineering, hs@denx.de. |
| 4 | # |
| 5 | # (C) Copyright 2012 |
| 6 | # Valentin Longchamp, Keymile AG, valentin.longchamp@keymile.com |
| 7 | # Stefan Bigler, Keymile AG, stefan.bigler@keymile.com |
| 8 | # |
| 9 | # (C) Copyright 2012 |
| 10 | # See file CREDITS for list of people who contributed to this |
| 11 | # project. |
| 12 | # |
| 13 | # This program is free software; you can redistribute it and/or |
| 14 | # modify it under the terms of the GNU General Public License as |
| 15 | # published by the Free Software Foundation; either version 2 of |
| 16 | # the License, or (at your option) any later version. |
| 17 | # |
| 18 | # This program is distributed in the hope that it will be useful, |
| 19 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | # GNU General Public License for more details. |
| 22 | # |
| 23 | # You should have received a copy of the GNU General Public License |
| 24 | # along with this program; if not, write to the Free Software |
| 25 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
| 26 | # MA 02110-1301 USA |
| 27 | # |
| 28 | # Refer docs/README.kwimage for more details about how-to configure |
| 29 | # and create kirkwood boot image |
| 30 | # |
| 31 | |
| 32 | # Boot Media configurations |
| 33 | BOOT_FROM spi # Boot from SPI flash |
| 34 | |
| 35 | DATA 0xFFD10000 0x01112222 # MPP Control 0 Register |
| 36 | # bit 3-0: 2, MPPSel0 SPI_CSn (1=NF_IO[2]) |
| 37 | # bit 7-4: 2, MPPSel1 SPI_SI (1=NF_IO[3]) |
| 38 | # bit 12-8: 2, MPPSel2 SPI_SCK (1=NF_IO[4]) |
| 39 | # bit 15-12: 2, MPPSel3 SPI_SO (1=NF_IO[5]) |
| 40 | # bit 19-16: 1, MPPSel4 NF_IO[6] |
| 41 | # bit 23-20: 1, MPPSel5 NF_IO[7] |
| 42 | # bit 27-24: 1, MPPSel6 SYSRST_O |
| 43 | # bit 31-28: 0, MPPSel7 GPO[7] |
| 44 | |
| 45 | DATA 0xFFD10004 0x03303300 # MPP Control 1 Register |
| 46 | # bit 3-0: 0, MPPSel8 GPIO[8] |
| 47 | # bit 7-4: 0, MPPSel9 GPIO[9] |
| 48 | # bit 12-8: 3, MPPSel10 UA0_TXD |
| 49 | # bit 15-12: 3, MPPSel11 UA0_RXD |
| 50 | # bit 19-16: 0, MPPSel12 not connected |
| 51 | # bit 23-20: 3, MPPSel13 UA1_TXD |
| 52 | # bit 27-24: 3, MPPSel14 UA1_RXD |
| 53 | # bit 31-28: 0, MPPSel15 GPIO[15] |
| 54 | |
| 55 | DATA 0xFFD10008 0x00001100 # MPP Control 2 Register |
| 56 | # bit 3-0: 0, MPPSel16 GPIO[16] |
| 57 | # bit 7-4: 0, MPPSel17 not connected |
| 58 | # bit 12-8: 1, MPPSel18 NF_IO[0] |
| 59 | # bit 15-12: 1, MPPSel19 NF_IO[1] |
| 60 | # bit 19-16: 0, MPPSel20 GPIO[20] |
| 61 | # bit 23-20: 0, MPPSel21 GPIO[21] |
| 62 | # bit 27-24: 0, MPPSel22 GPIO[22] |
| 63 | # bit 31-28: 0, MPPSel23 GPIO[23] |
| 64 | |
| 65 | # MPP Control 3-6 Register untouched (MPP24-49) |
| 66 | |
| 67 | DATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register |
| 68 | # bit 2-0: 3, Reserved |
| 69 | # bit 5-3: 3, Reserved |
| 70 | # bit 6: 0, Reserved |
| 71 | # bit 7: 0, RGMII-pads voltage = 3.3V |
| 72 | # bit 10-8: 3, Reserved |
| 73 | # bit 13-11: 3, Reserved |
| 74 | # bit 14: 0, Reserved |
| 75 | # bit 15: 0, MPP RGMII-pads voltage = 3.3V |
| 76 | # bit 31-16 0x1B1B, Reserved |
| 77 | |
| 78 | DATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register |
| 79 | # bit 0-1: 2, Tag RAM RTC RAM0 |
| 80 | # bit 3-2: 1, Tag RAM WTC RAM0 |
| 81 | # bit 7-4: 6, Reserve |
| 82 | # bit 9-8: 2, Valid RAM RTC RAM |
| 83 | # bit 11-10: 1, Valid RAM WTC RAM |
| 84 | # bit 13-12: 2, Dirty RAM RTC RAM |
| 85 | # bit 15-14: 1, Dirty RAM WTC RAM |
| 86 | # bit 17-16: 2, Data RAM RTC RAM0 |
| 87 | # bit 19-18: 1, Data RAM WTC RAM0 |
| 88 | # bit 21-20: 2, Data RAM RTC RAM1 |
| 89 | # bit 23-22: 1, Data RAM WTC RAM1 |
| 90 | # bit 25-24: 2, Data RAM RTC RAM2 |
| 91 | # bit 27-26: 1, Data RAM WTC RAM2 |
| 92 | # bit 29-28: 2, Data RAM RTC RAM3 |
| 93 | # bit 31-30: 1, Data RAM WTC RAM4 |
| 94 | |
| 95 | DATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register |
| 96 | # bit 15-0: ???, Reserve |
| 97 | # bit 17-16: 2, ECC RAM RTC RAM0 |
| 98 | # bit 19-18: 1, ECC RAM WTC RAM0 |
| 99 | # bit 31-20: ???,Reserve |
| 100 | |
Holger Brunck | 6eb6806 | 2012-11-02 00:15:07 +0000 | [diff] [blame] | 101 | # NOTE: Don't write on 0x20148 , 0x2014c and 0x20154, leave them untouched! |
| 102 | # If not it could cause KW Exceptions during boot in Fast Corners/High Voltage |
Holger Brunck | 2ef4295 | 2012-07-05 05:37:46 +0000 | [diff] [blame] | 103 | |
| 104 | # SDRAM initalization |
| 105 | DATA 0xFFD01400 0x430004E0 # SDRAM Configuration Register |
| 106 | # bit 13-0: 0x4E0, DDR2 clks refresh rate |
| 107 | # bit 14: 0, reserved |
| 108 | # bit 15: 0, reserved |
| 109 | # bit 16: 0, CPU to Dram Write buffer policy |
| 110 | # bit 17: 0, Enable Registered DIMM or Equivalent Sampling Logic |
| 111 | # bit 19-18: 0, reserved |
| 112 | # bit 23-20: 0, reserved |
| 113 | # bit 24: 1, enable exit self refresh mode on DDR access |
| 114 | # bit 25: 1, required |
| 115 | # bit 29-26: 0, reserved |
| 116 | # bit 31-30: 1, reserved |
| 117 | |
| 118 | DATA 0xFFD01404 0x36543000 # DDR Controller Control Low |
| 119 | # bit 3-0: 0, reserved |
| 120 | # bit 4: 0, 2T mode =addr/cmd in same cycle |
| 121 | # bit 5: 0, clk is driven during self refresh, we don't care for APX |
| 122 | # bit 6: 0, use recommended falling edge of clk for addr/cmd |
| 123 | # bit 7-11: 0, reserved |
| 124 | # bit 12-13: 1, reserved, required 1 |
| 125 | # bit 14: 0, input buffer always powered up |
| 126 | # bit 17-15: 0, reserved |
| 127 | # bit 18: 1, cpu lock transaction enabled |
| 128 | # bit 19: 0, reserved |
| 129 | # bit 23-20: 5, recommended value for CL=4 and STARTBURST_DEL disabled bit31=0 |
| 130 | # bit 27-24: 6, CL+1, STARTBURST sample stages, for freqs 200-399MHz, unbuffered DIMM |
| 131 | # bit 30-28: 3, required |
| 132 | # bit 31: 0,no additional STARTBURST delay |
| 133 | |
| 134 | DATA 0xFFD01408 0x2302444e # DDR Timing (Low) (active cycles value +1) |
| 135 | # bit 3-0: 0xE, TRAS, 15 clk (45 ns) |
| 136 | # bit 7-4: 0x4, TRCD, 5 clk (15 ns) |
| 137 | # bit 11-8: 0x4, TRP, 5 clk (15 ns) |
| 138 | # bit 15-12: 0x4, TWR, 5 clk (15 ns) |
| 139 | # bit 19-16: 0x2, TWTR, 3 clk (7.5 ns) |
| 140 | # bit 20: 0, extended TRAS msb |
| 141 | # bit 23-21: 0, reserved |
| 142 | # bit 27-24: 0x3, TRRD, 4 clk (10 ns) |
| 143 | # bit 31-28: 0x2, TRTP, 3 clk (7.5 ns) |
| 144 | |
| 145 | DATA 0xFFD0140C 0x0000003e # DDR Timing (High) |
| 146 | # bit 6-0: 0x3E, TRFC, 63 clk (195 ns) |
| 147 | # bit 8-7: 0, TR2R |
| 148 | # bit 10-9: 0, TR2W |
| 149 | # bit 12-11: 0, TW2W |
| 150 | # bit 31-13: 0, reserved |
| 151 | |
| 152 | DATA 0xFFD01410 0x00000001 # DDR Address Control |
| 153 | # bit 1-0: 1, Cs0width=x16 |
| 154 | # bit 3-2: 0, Cs0size=2Gb |
| 155 | # bit 5-4: 0, Cs1width=nonexistent |
| 156 | # bit 7-6: 0, Cs1size =nonexistent |
| 157 | # bit 9-8: 0, Cs2width=nonexistent |
| 158 | # bit 11-10: 0, Cs2size =nonexistent |
| 159 | # bit 13-12: 0, Cs3width=nonexistent |
| 160 | # bit 15-14: 0, Cs3size =nonexistent |
| 161 | # bit 16: 0, Cs0AddrSel |
| 162 | # bit 17: 0, Cs1AddrSel |
| 163 | # bit 18: 0, Cs2AddrSel |
| 164 | # bit 19: 0, Cs3AddrSel |
| 165 | # bit 31-20: 0, required |
| 166 | |
| 167 | DATA 0xFFD01414 0x00000000 # DDR Open Pages Control |
| 168 | # bit 0: 0, OpenPage enabled |
| 169 | # bit 31-1: 0, required |
| 170 | |
| 171 | DATA 0xFFD01418 0x00000000 # DDR Operation |
| 172 | # bit 3-0: 0, DDR cmd |
| 173 | # bit 31-4: 0, required |
| 174 | |
| 175 | DATA 0xFFD0141C 0x00000652 # DDR Mode |
| 176 | # bit 2-0: 2, Burst Length = 4 |
| 177 | # bit 3: 0, Burst Type |
| 178 | # bit 6-4: 5, CAS Latency = 5 |
| 179 | # bit 7: 0, Test mode |
| 180 | # bit 8: 0, DLL Reset |
| 181 | # bit 11-9: 3, Write recovery for auto-precharge must be 3 |
| 182 | # bit 12: 0, Active power down exit time, fast exit |
| 183 | # bit 14-13: 0, reserved |
| 184 | # bit 31-15: 0, reserved |
| 185 | |
| 186 | DATA 0xFFD01420 0x00000006 # DDR Extended Mode |
| 187 | # bit 0: 0, DDR DLL enabled |
| 188 | # bit 1: 1, DDR drive strength reduced |
| 189 | # bit 2: 1, DDR ODT control lsb, 75 ohm termination [RTT0] |
| 190 | # bit 5-3: 0, required |
| 191 | # bit 6: 0, DDR ODT control msb, 75 ohm termination [RTT1] |
| 192 | # bit 9-7: 0, required |
| 193 | # bit 10: 0, differential DQS enabled |
| 194 | # bit 11: 0, required |
| 195 | # bit 12: 0, DDR output buffer enabled |
| 196 | # bit 31-13: 0 required |
| 197 | |
| 198 | DATA 0xFFD01424 0x0000F17F # DDR Controller Control High |
| 199 | # bit 2-0: 7, required |
| 200 | # bit 3: 1, MBUS Burst Chop disabled |
| 201 | # bit 6-4: 7, required |
| 202 | # bit 7: 0, reserved |
| 203 | # bit 8: 1, add sample stage required for f > 266 MHz |
| 204 | # bit 9: 0, no half clock cycle addition to dataout |
| 205 | # bit 10: 0, 1/4 clock cycle skew enabled for addr/ctl signals |
| 206 | # bit 11: 0, 1/4 clock cycle skew disabled for write mesh |
| 207 | # bit 15-12:0xf, required |
| 208 | # bit 31-16: 0, required |
| 209 | |
| 210 | DATA 0xFFD01428 0x00084520 # DDR2 SDRAM Timing Low |
| 211 | # bit 3-0: 0, required |
| 212 | # bit 7-4: 2, M_ODT assertion 2 cycles after read start command |
| 213 | # bit 11-8: 5, M_ODT de-assertion 5 cycles after read start command |
| 214 | # (ODT turn off delay 2,5 clk cycles) |
| 215 | # bit 15-12: 4, internal ODT time based on bit 7-4 |
| 216 | # with the considered SDRAM internal delay |
| 217 | # bit 19-16: 8, internal ODT de-assertion based on bit 11-8 |
| 218 | # with the considered SDRAM internal delay |
| 219 | # bit 31-20: 0, required |
| 220 | |
| 221 | DATA 0xFFD0147c 0x00008452 # DDR2 SDRAM Timing High |
| 222 | # bit 3-0: 2, M_ODT assertion same as bit 11-8 |
| 223 | # bit 7-4: 5, M_ODT de-assertion same as bit 15-12 |
| 224 | # bit 11-8: 4, internal ODT assertion 2 cycles after write start command |
| 225 | # with the considered SDRAM internal delay |
| 226 | # bit 15-12: 8, internal ODT de-assertion 5 cycles after write start command |
| 227 | # with the considered SDRAM internal delay |
| 228 | |
| 229 | DATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0 |
| 230 | # bit 23-0: 0, reserved |
| 231 | # bit 31-24: 0, CPU CS Window0 Base Address, addr bits [31:24] |
| 232 | |
| 233 | DATA 0xFFD01504 0x0FFFFFF1 # CS[0]n Size |
| 234 | # bit 0: 1, Window enabled |
| 235 | # bit 1: 0, Write Protect disabled |
| 236 | # bit 3-2: 0, CS0 hit selected |
| 237 | # bit 23-4:ones, required |
| 238 | # bit 31-24: 0x0F, Size (i.e. 256MB) |
| 239 | |
| 240 | DATA 0xFFD0150C 0x00000000 # CS[1]n Size, window disabled |
| 241 | DATA 0xFFD01514 0x00000000 # CS[2]n Size, window disabled |
| 242 | DATA 0xFFD0151C 0x00000000 # CS[3]n Size, window disabled |
| 243 | |
| 244 | DATA 0xFFD01494 0x00010000 # DDR ODT Control (Low) |
| 245 | # bit 3-0: 0, ODT0Rd, MODT[0] not asserted during read from DRAM CS0 |
| 246 | # bit 7-4: 0, ODT0Rd, MODT[1] not asserted |
| 247 | # bit 11-8: 0, required |
| 248 | # big 15-11: 0, required |
| 249 | # bit 19-16: 1, ODT0Wr, MODT[0] asserted during write to DRAM CS0 |
| 250 | # bit 23-20: 0, ODT0Wr, MODT[1] not asserted |
| 251 | # bit 27-24: 0, required |
| 252 | # bit 31-28: 0, required |
| 253 | |
| 254 | DATA 0xFFD01498 0x00000000 # DDR ODT Control (High) |
| 255 | # bit 1-0: 0, ODT0 controlled by ODT Control (low) register above |
| 256 | # bit 3-2: 0, ODT1 controlled by register |
| 257 | # bit 31-4: 0, required |
| 258 | |
| 259 | DATA 0xFFD0149C 0x0000E801 # CPU ODT Control |
| 260 | # bit 3-0: 1, ODTRd, Internal ODT asserted during read from DRAM bank0 |
| 261 | # bit 7-4: 0, ODTWr, Internal ODT not asserted during write to DRAM |
| 262 | # bit 9-8: 0, ODTEn, controlled by ODTRd and ODTWr |
| 263 | # bit 11-10: 2, DQ_ODTSel. ODT select turned on, 75 ohm |
| 264 | # bit 13-12: 2, STARTBURST ODT buffer selected, 75 ohm |
| 265 | # bit 14: 1, STARTBURST ODT enabled |
| 266 | # bit 15: 1, Use ODT Block |
| 267 | |
| 268 | DATA 0xFFD01480 0x00000001 # DDR Initialization Control |
| 269 | # bit 0: 1, enable DDR init upon this register write |
| 270 | # bit 31-1: 0, reserved |
| 271 | |
| 272 | # End of Header extension |
| 273 | DATA 0x0 0x0 |