--- /dev/null
+#
+# (C) Copyright 2010
+# Heiko Schocher, DENX Software Engineering, hs@denx.de.
+#
+# 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: MPPSel0 2, NF_IO[2]
+# bit 7-4: MPPSel1 2, NF_IO[3]
+# bit 12-8: MPPSel2 2, NF_IO[4]
+# bit 15-12: MPPSel3 2, NF_IO[5]
+# bit 19-16: MPPSel4 1, NF_IO[6]
+# bit 23-20: MPPSel5 1, NF_IO[7]
+# bit 27-24: MPPSel6 1, SYSRST_O
+# bit 31-28: MPPSel7 0, GPO[7]
+
+DATA 0xFFD10004 0x03303300
+
+DATA 0xFFD10008 0x00001100 # MPP Control 2 Register
+# bit 3-0: MPPSel16 0, GPIO[16]
+# bit 7-4: MPPSel17 0, GPIO[17]
+# bit 12-8: MPPSel18 1, NF_IO[0]
+# bit 15-12: MPPSel19 1, NF_IO[1]
+# bit 19-16: MPPSel20 0, GPIO[20]
+# bit 23-20: MPPSel21 0, GPIO[21]
+# bit 27-24: MPPSel22 0, GPIO[22]
+# bit 31-28: MPPSel23 0, GPIO[23]
+
+DATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register
+DATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register
+DATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register
+
+# 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
+
+#Dram initalization
+DATA 0xFFD01400 0x43000400 # SDRAM Configuration Register
+# bit13-0: 0x400 (DDR2 clks refresh rate)
+# bit23-14: zero
+# bit24: 1= enable exit self refresh mode on DDR access
+# bit25: 1 required
+# bit29-26: zero
+# bit31-30: 01
+
+DATA 0xFFD01404 0x39543000 # DDR Controller Control Low
+# bit 3-0: 0 reserved
+# bit 4: 0=addr/cmd in smame 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
+# bit14: 0=input buffer always powered up
+# bit18: 1=cpu lock transaction enabled
+# bit23-20: 3=recommended value for CL=3 and STARTBURST_DEL disabled bit31=0
+# bit27-24: 6= CL+3, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
+# bit30-28: 3 required
+# bit31: 0=no additional STARTBURST delay
+
+DATA 0xFFD01408 0x34136552 # DDR Timing (Low) (active cycles value +1)
+# bit3-0: TRAS lsbs
+# bit7-4: TRCD
+# bit11- 8: TRP
+# bit15-12: TWR
+# bit19-16: TWTR
+# bit20: TRAS msb
+# bit23-21: 0x0
+# bit27-24: TRRD
+# bit31-28: TRTP
+
+DATA 0xFFD0140C 0x00000033 # DDR Timing (High)
+# bit6-0: TRFC
+# bit8-7: TR2R
+# bit10-9: TR2W
+# bit12-11: TW2W
+# bit31-13: zero required
+
+DATA 0xFFD01410 0x0000000D # DDR Address Control
+# bit1-0: 01, Cs0width=x16
+# bit3-2: 11, Cs0size=1Gb
+# bit5-4: 00, Cs2width=nonexistent
+# bit7-6: 00, Cs1size =nonexistent
+# bit9-8: 00, Cs2width=nonexistent
+# bit11-10: 00, Cs2size =nonexistent
+# bit13-12: 00, Cs3width=nonexistent
+# bit15-14: 00, Cs3size =nonexistent
+# bit16: 0, Cs0AddrSel
+# bit17: 0, Cs1AddrSel
+# bit18: 0, Cs2AddrSel
+# bit19: 0, Cs3AddrSel
+# bit31-20: 0 required
+
+DATA 0xFFD01414 0x00000000 # DDR Open Pages Control
+# bit0: 0, OpenPage enabled
+# bit31-1: 0 required
+
+DATA 0xFFD01418 0x00000000 # DDR Operation
+# bit3-0: 0x0, DDR cmd
+# bit31-4: 0 required
+
+DATA 0xFFD0141C 0x00000652 # DDR Mode
+DATA 0xFFD01420 0x00000044 # DDR Extended Mode
+# bit0: 0, DDR DLL enabled
+# bit1: 0, DDR drive strenght normal
+# bit2: 1, DDR ODT control lsd disabled
+# bit5-3: 000, required
+# bit6: 1, DDR ODT control msb, enabled
+# bit9-7: 000, required
+# bit10: 0, differential DQS enabled
+# bit11: 0, required
+# bit12: 0, DDR output buffer enabled
+# bit31-13: 0 required
+
+DATA 0xFFD01424 0x0000F07F # DDR Controller Control High
+# bit2-0: 111, required
+# bit3 : 1 , MBUS Burst Chop disabled
+# bit6-4: 111, required
+# bit7 : 0
+# bit8 : 0 , no sample stage
+# bit9 : 0 , no half clock cycle addition to dataout
+# bit10 : 0 , 1/4 clock cycle skew enabled for addr/ctl signals
+# bit11 : 0 , 1/4 clock cycle skew disabled for write mesh
+# bit15-12: 1111 required
+# bit31-16: 0 required
+DATA 0xFFD01428 0x00074510
+DATA 0xFFD0147c 0x00007451
+
+DATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0
+DATA 0xFFD01504 0x07FFFFF1 # CS[0]n Size
+# bit0: 1, Window enabled
+# bit1: 0, Write Protect disabled
+# bit3-2: 00, CS0 hit selected
+# bit23-4: ones, required
+# bit31-24: 0x07, Size (i.e. 128MB)
+
+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 0x00010001 # DDR ODT Control (Low)
+# bit3-0: 0, ODT0Rd, MODT[0] asserted during read from DRAM CS0
+# bit19-16:0, ODT0Wr, MODT[0] asserted during write to DRAM CS0
+
+DATA 0xFFD01498 0x00000000 # DDR ODT Control (High)
+# bit1-0: 00, ODT0 controlled by ODT Control (low) register above
+# bit3-2: 00, ODT1 controlled by register
+# bit31-4: zero, required
+
+DATA 0xFFD0149C 0x0000FC11 # CPU ODT Control
+# bit3-0: F, ODT0Rd, Internal ODT asserted during read from DRAM bank0
+# bit7-4: 0, ODT0Wr, Internal ODT asserted during write to DRAM bank0
+# bit9-8: 1, ODTEn, never active
+# bit11-10:2, DQ_ODTSel. ODT select turned on, 75 ohm
+
+DATA 0xFFD01480 0x00000001 # DDR Initialization Control
+# bit0=1, enable DDR init upon this register write
+
+# End of Header extension
+DATA 0x0 0x0
Code Review / kvmfornfv.git / blobdiff