--- /dev/null
+#
+# (C) Copyright 2010
+# Heiko Schocher, DENX Software Engineering, hs@denx.de.
+#
+# (C) Copyright 2012
+# Valentin Longchamp, Keymile AG, valentin.longchamp@keymile.com
+# Stefan Bigler, Keymile AG, stefan.bigler@keymile.com
+#
+# (C) Copyright 2012
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Refer doc/README.kwbimage for more details about how-to configure
+# and create kirkwood boot image
+#
+
+# Boot Media configurations
+BOOT_FROM spi # Boot from SPI flash
+
+DATA 0xFFD10000 0x01112222 # MPP Control 0 Register
+# bit 3-0: 2, MPPSel0 SPI_CSn (1=NF_IO[2])
+# bit 7-4: 2, MPPSel1 SPI_SI (1=NF_IO[3])
+# bit 12-8: 2, MPPSel2 SPI_SCK (1=NF_IO[4])
+# bit 15-12: 2, MPPSel3 SPI_SO (1=NF_IO[5])
+# bit 19-16: 1, MPPSel4 NF_IO[6]
+# bit 23-20: 1, MPPSel5 NF_IO[7]
+# bit 27-24: 1, MPPSel6 SYSRST_O
+# bit 31-28: 0, MPPSel7 GPO[7]
+
+DATA 0xFFD10004 0x03303300 # MPP Control 1 Register
+# bit 3-0: 0, MPPSel8 GPIO[8]
+# bit 7-4: 0, MPPSel9 GPIO[9]
+# bit 12-8: 3, MPPSel10 UA0_TXD
+# bit 15-12: 3, MPPSel11 UA0_RXD
+# bit 19-16: 0, MPPSel12 not connected
+# bit 23-20: 3, MPPSel13 UA1_TXD
+# bit 27-24: 3, MPPSel14 UA1_RXD
+# bit 31-28: 0, MPPSel15 GPIO[15]
+
+DATA 0xFFD10008 0x00001100 # MPP Control 2 Register
+# bit 3-0: 0, MPPSel16 GPIO[16]
+# bit 7-4: 0, MPPSel17 not connected
+# bit 12-8: 1, MPPSel18 NF_IO[0]
+# bit 15-12: 1, MPPSel19 NF_IO[1]
+# bit 19-16: 0, MPPSel20 GPIO[20]
+# bit 23-20: 0, MPPSel21 GPIO[21]
+# bit 27-24: 0, MPPSel22 GPIO[22]
+# bit 31-28: 0, MPPSel23 GPIO[23]
+
+# MPP Control 3-6 Register untouched (MPP24-49)
+
+DATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register
+# bit 2-0: 3, Reserved
+# bit 5-3: 3, Reserved
+# bit 6: 0, Reserved
+# bit 7: 0, RGMII-pads voltage = 3.3V
+# bit 10-8: 3, Reserved
+# bit 13-11: 3, Reserved
+# bit 14: 0, Reserved
+# bit 15: 0, MPP RGMII-pads voltage = 3.3V
+# bit 31-16 0x1B1B, Reserved
+
+DATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register
+# bit 0-1: 2, Tag RAM RTC RAM0
+# bit 3-2: 1, Tag RAM WTC RAM0
+# bit 7-4: 6, Reserve
+# bit 9-8: 2, Valid RAM RTC RAM
+# bit 11-10: 1, Valid RAM WTC RAM
+# bit 13-12: 2, Dirty RAM RTC RAM
+# bit 15-14: 1, Dirty RAM WTC RAM
+# bit 17-16: 2, Data RAM RTC RAM0
+# bit 19-18: 1, Data RAM WTC RAM0
+# bit 21-20: 2, Data RAM RTC RAM1
+# bit 23-22: 1, Data RAM WTC RAM1
+# bit 25-24: 2, Data RAM RTC RAM2
+# bit 27-26: 1, Data RAM WTC RAM2
+# bit 29-28: 2, Data RAM RTC RAM3
+# bit 31-30: 1, Data RAM WTC RAM4
+
+DATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register
+# bit 15-0: ???, Reserve
+# bit 17-16: 2, ECC RAM RTC RAM0
+# bit 19-18: 1, ECC RAM WTC RAM0
+# bit 31-20: ???,Reserve
+
+# NOTE: Don't write on 0x20148 , 0x2014c and 0x20154, leave them untouched!
+# If not it could cause KW Exceptions during boot in Fast Corners/High Voltage
+
+# SDRAM initalization
+DATA 0xFFD01400 0x430004E0 # SDRAM Configuration Register
+# bit 13-0: 0x4E0, DDR2 clks refresh rate
+# bit 14: 0, reserved
+# bit 15: 0, reserved
+# bit 16: 0, CPU to Dram Write buffer policy
+# bit 17: 0, Enable Registered DIMM or Equivalent Sampling Logic
+# bit 19-18: 0, reserved
+# bit 23-20: 0, reserved
+# bit 24: 1, enable exit self refresh mode on DDR access
+# bit 25: 1, required
+# bit 29-26: 0, reserved
+# bit 31-30: 1, reserved
+
+DATA 0xFFD01404 0x36543000 # DDR Controller Control Low
+# bit 3-0: 0, reserved
+# bit 4: 0, 2T mode =addr/cmd in same cycle
+# bit 5: 0, clk is driven during self refresh, we don't care for APX
+# bit 6: 0, use recommended falling edge of clk for addr/cmd
+# bit 7-11: 0, reserved
+# bit 12-13: 1, reserved, required 1
+# bit 14: 0, input buffer always powered up
+# bit 17-15: 0, reserved
+# bit 18: 1, cpu lock transaction enabled
+# bit 19: 0, reserved
+# bit 23-20: 5, recommended value for CL=4 and STARTBURST_DEL disabled bit31=0
+# bit 27-24: 6, CL+1, STARTBURST sample stages, for freqs 200-399MHz, unbuffered DIMM
+# bit 30-28: 3, required
+# bit 31: 0,no additional STARTBURST delay
+
+DATA 0xFFD01408 0x2302444e # DDR Timing (Low) (active cycles value +1)
+# bit 3-0: 0xE, TRAS, 15 clk (45 ns)
+# bit 7-4: 0x4, TRCD, 5 clk (15 ns)
+# bit 11-8: 0x4, TRP, 5 clk (15 ns)
+# bit 15-12: 0x4, TWR, 5 clk (15 ns)
+# bit 19-16: 0x2, TWTR, 3 clk (7.5 ns)
+# bit 20: 0, extended TRAS msb
+# bit 23-21: 0, reserved
+# bit 27-24: 0x3, TRRD, 4 clk (10 ns)
+# bit 31-28: 0x2, TRTP, 3 clk (7.5 ns)
+
+DATA 0xFFD0140C 0x0000003e # DDR Timing (High)
+# bit 6-0: 0x3E, TRFC, 63 clk (195 ns)
+# bit 8-7: 0, TR2R
+# bit 10-9: 0, TR2W
+# bit 12-11: 0, TW2W
+# bit 31-13: 0, reserved
+
+DATA 0xFFD01410 0x00000001 # DDR Address Control
+# bit 1-0: 1, Cs0width=x16
+# bit 3-2: 0, Cs0size=2Gb
+# bit 5-4: 0, Cs1width=nonexistent
+# bit 7-6: 0, Cs1size =nonexistent
+# bit 9-8: 0, Cs2width=nonexistent
+# bit 11-10: 0, Cs2size =nonexistent
+# bit 13-12: 0, Cs3width=nonexistent
+# bit 15-14: 0, Cs3size =nonexistent
+# bit 16: 0, Cs0AddrSel
+# bit 17: 0, Cs1AddrSel
+# bit 18: 0, Cs2AddrSel
+# bit 19: 0, Cs3AddrSel
+# bit 31-20: 0, required
+
+DATA 0xFFD01414 0x00000000 # DDR Open Pages Control
+# bit 0: 0, OpenPage enabled
+# bit 31-1: 0, required
+
+DATA 0xFFD01418 0x00000000 # DDR Operation
+# bit 3-0: 0, DDR cmd
+# bit 31-4: 0, required
+
+DATA 0xFFD0141C 0x00000652 # DDR Mode
+# bit 2-0: 2, Burst Length = 4
+# bit 3: 0, Burst Type
+# bit 6-4: 5, CAS Latency = 5
+# bit 7: 0, Test mode
+# bit 8: 0, DLL Reset
+# bit 11-9: 3, Write recovery for auto-precharge must be 3
+# bit 12: 0, Active power down exit time, fast exit
+# bit 14-13: 0, reserved
+# bit 31-15: 0, reserved
+
+DATA 0xFFD01420 0x00000006 # DDR Extended Mode
+# bit 0: 0, DDR DLL enabled
+# bit 1: 1, DDR drive strength reduced
+# bit 2: 1, DDR ODT control lsb, 75 ohm termination [RTT0]
+# bit 5-3: 0, required
+# bit 6: 0, DDR ODT control msb, 75 ohm termination [RTT1]
+# bit 9-7: 0, required
+# bit 10: 0, differential DQS enabled
+# bit 11: 0, required
+# bit 12: 0, DDR output buffer enabled
+# bit 31-13: 0 required
+
+DATA 0xFFD01424 0x0000F17F # DDR Controller Control High
+# bit 2-0: 7, required
+# bit 3: 1, MBUS Burst Chop disabled
+# bit 6-4: 7, required
+# bit 7: 0, reserved
+# bit 8: 1, add sample stage required for f > 266 MHz
+# bit 9: 0, no half clock cycle addition to dataout
+# bit 10: 0, 1/4 clock cycle skew enabled for addr/ctl signals
+# bit 11: 0, 1/4 clock cycle skew disabled for write mesh
+# bit 15-12:0xf, required
+# bit 31-16: 0, required
+
+DATA 0xFFD01428 0x00084520 # DDR2 SDRAM Timing Low
+# bit 3-0: 0, required
+# bit 7-4: 2, M_ODT assertion 2 cycles after read start command
+# bit 11-8: 5, M_ODT de-assertion 5 cycles after read start command
+# (ODT turn off delay 2,5 clk cycles)
+# bit 15-12: 4, internal ODT time based on bit 7-4
+# with the considered SDRAM internal delay
+# bit 19-16: 8, internal ODT de-assertion based on bit 11-8
+# with the considered SDRAM internal delay
+# bit 31-20: 0, required
+
+DATA 0xFFD0147c 0x00008452 # DDR2 SDRAM Timing High
+# bit 3-0: 2, M_ODT assertion same as bit 11-8
+# bit 7-4: 5, M_ODT de-assertion same as bit 15-12
+# bit 11-8: 4, internal ODT assertion 2 cycles after write start command
+# with the considered SDRAM internal delay
+# bit 15-12: 8, internal ODT de-assertion 5 cycles after write start command
+# with the considered SDRAM internal delay
+
+DATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0
+# bit 23-0: 0, reserved
+# bit 31-24: 0, CPU CS Window0 Base Address, addr bits [31:24]
+
+DATA 0xFFD01504 0x0FFFFFF1 # CS[0]n Size
+# bit 0: 1, Window enabled
+# bit 1: 0, Write Protect disabled
+# bit 3-2: 0, CS0 hit selected
+# bit 23-4:ones, required
+# bit 31-24: 0x0F, Size (i.e. 256MB)
+
+DATA 0xFFD0150C 0x00000000 # CS[1]n Size, window disabled
+DATA 0xFFD01514 0x00000000 # CS[2]n Size, window disabled
+DATA 0xFFD0151C 0x00000000 # CS[3]n Size, window disabled
+
+DATA 0xFFD01494 0x00010000 # DDR ODT Control (Low)
+# bit 3-0: 0, ODT0Rd, MODT[0] not asserted during read from DRAM CS0
+# bit 7-4: 0, ODT0Rd, MODT[1] not asserted
+# bit 11-8: 0, required
+# big 15-11: 0, required
+# bit 19-16: 1, ODT0Wr, MODT[0] asserted during write to DRAM CS0
+# bit 23-20: 0, ODT0Wr, MODT[1] not asserted
+# bit 27-24: 0, required
+# bit 31-28: 0, required
+
+DATA 0xFFD01498 0x00000000 # DDR ODT Control (High)
+# bit 1-0: 0, ODT0 controlled by ODT Control (low) register above
+# bit 3-2: 0, ODT1 controlled by register
+# bit 31-4: 0, required
+
+DATA 0xFFD0149C 0x0000E801 # CPU ODT Control
+# bit 3-0: 1, ODTRd, Internal ODT asserted during read from DRAM bank0
+# bit 7-4: 0, ODTWr, Internal ODT not asserted during write to DRAM
+# bit 9-8: 0, ODTEn, controlled by ODTRd and ODTWr
+# bit 11-10: 2, DQ_ODTSel. ODT select turned on, 75 ohm
+# bit 13-12: 2, STARTBURST ODT buffer selected, 75 ohm
+# bit 14: 1, STARTBURST ODT enabled
+# bit 15: 1, Use ODT Block
+
+DATA 0xFFD01480 0x00000001 # DDR Initialization Control
+# bit 0: 1, enable DDR init upon this register write
+# bit 31-1: 0, reserved
+
+# End of Header extension
+DATA 0x0 0x0
Code Review / kvmfornfv.git / blobdiff