mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 13:56:30 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
181 lines
5.9 KiB
INI
181 lines
5.9 KiB
INI
#
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# (C) Copyright 2010
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# Heiko Schocher, DENX Software Engineering, hs@denx.de.
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#
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# (C) Copyright 2011
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# Valentin Longchamp, Keymile AG, valentin.longchamp@keymile.com
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#
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# SPDX-License-Identifier: GPL-2.0+
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#
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# Refer doc/README.kwbimage for more details about how-to configure
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# and create kirkwood boot image
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#
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# Boot Media configurations
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BOOT_FROM spi # Boot from SPI flash
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DATA 0xFFD10000 0x01112222 # MPP Control 0 Register
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# bit 3-0: MPPSel0 2, NF_IO[2]
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# bit 7-4: MPPSel1 2, NF_IO[3]
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# bit 12-8: MPPSel2 2, NF_IO[4]
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# bit 15-12: MPPSel3 2, NF_IO[5]
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# bit 19-16: MPPSel4 1, NF_IO[6]
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# bit 23-20: MPPSel5 1, NF_IO[7]
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# bit 27-24: MPPSel6 1, SYSRST_O
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# bit 31-28: MPPSel7 0, GPO[7]
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DATA 0xFFD10004 0x03303300
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DATA 0xFFD10008 0x00001100 # MPP Control 2 Register
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# bit 3-0: MPPSel16 0, GPIO[16]
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# bit 7-4: MPPSel17 0, GPIO[17]
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# bit 12-8: MPPSel18 1, NF_IO[0]
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# bit 15-12: MPPSel19 1, NF_IO[1]
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# bit 19-16: MPPSel20 0, GPIO[20]
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# bit 23-20: MPPSel21 0, GPIO[21]
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# bit 27-24: MPPSel22 0, GPIO[22]
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# bit 31-28: MPPSel23 0, GPIO[23]
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DATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register
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DATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register
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DATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register
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# NOTE: Don't write on 0x20148 , 0x2014c and 0x20154, leave them untouched!
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# If not it could cause KW Exceptions during boot in Fast Corners/High Voltage
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#Dram initalization
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DATA 0xFFD01400 0x430004E0 # SDRAM Configuration Register
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# bit13-0: 0x4E0 (DDR2 clks refresh rate)
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# bit23-14: zero
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# bit24: 1= enable exit self refresh mode on DDR access
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# bit25: 1 required
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# bit29-26: zero
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# bit31-30: 01
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DATA 0xFFD01404 0x38543000 # DDR Controller Control Low
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# bit 3-0: 0 reserved
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# bit 4: 0=addr/cmd in smame cycle
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# bit 5: 0=clk is driven during self refresh, we don't care for APX
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# bit 6: 0=use recommended falling edge of clk for addr/cmd
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# bit14: 0=input buffer always powered up
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# bit18: 1=cpu lock transaction enabled
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# bit23-20: 5=recommended value for CL=4 and STARTBURST_DEL disabled bit31=0
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# bit27-24: 8= CL+4, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
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# bit30-28: 3 required
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# bit31: 0=no additional STARTBURST delay
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DATA 0xFFD01408 0x2302433E # DDR Timing (Low) (active cycles value +1)
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# bit3-0: TRAS lsbs
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# bit7-4: TRCD
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# bit11- 8: TRP
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# bit15-12: TWR
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# bit19-16: TWTR
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# bit20: TRAS msb
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# bit23-21: 0x0
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# bit27-24: TRRD
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# bit31-28: TRTP
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DATA 0xFFD0140C 0x00000A3E # DDR Timing (High)
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# bit6-0: TRFC
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# bit8-7: TR2R
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# bit10-9: TR2W
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# bit12-11: TW2W
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# bit31-13: zero required
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DATA 0xFFD01410 0x00000001 # DDR Address Control
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# bit1-0: 01, Cs0width=x16
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# bit3-2: 00, Cs0size=2Gb
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# bit5-4: 00, Cs2width=nonexistent
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# bit7-6: 00, Cs1size =nonexistent
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# bit9-8: 00, Cs2width=nonexistent
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# bit11-10: 00, Cs2size =nonexistent
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# bit13-12: 00, Cs3width=nonexistent
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# bit15-14: 00, Cs3size =nonexistent
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# bit16: 0, Cs0AddrSel
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# bit17: 0, Cs1AddrSel
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# bit18: 0, Cs2AddrSel
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# bit19: 0, Cs3AddrSel
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# bit31-20: 0 required
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DATA 0xFFD01414 0x00000000 # DDR Open Pages Control
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# bit0: 0, OpenPage enabled
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# bit31-1: 0 required
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DATA 0xFFD01418 0x00000000 # DDR Operation
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# bit3-0: 0x0, DDR cmd
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# bit31-4: 0 required
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DATA 0xFFD0141C 0x00000652 # DDR Mode
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DATA 0xFFD01420 0x00000006 # DDR Extended Mode
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# bit0: 0, DDR DLL enabled
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# bit1: 1, DDR drive strenght reduced
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# bit2: 1, DDR ODT control lsd disabled
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# bit5-3: 000, required
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# bit6: 0, DDR ODT control msb disabled
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# bit9-7: 000, required
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# bit10: 0, differential DQS enabled
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# bit11: 0, required
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# bit12: 0, DDR output buffer enabled
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# bit31-13: 0 required
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DATA 0xFFD01424 0x0000F17F # DDR Controller Control High
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# bit2-0: 111, required
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# bit3 : 1 , MBUS Burst Chop disabled
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# bit6-4: 111, required
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# bit7 : 0
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# bit8 : 1 , add a sample stage
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# bit9 : 0 , no half clock cycle addition to dataout
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# bit10 : 0 , 1/4 clock cycle skew enabled for addr/ctl signals
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# bit11 : 0 , 1/4 clock cycle skew disabled for write mesh
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# bit15-12: 1111 required
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# bit31-16: 0 required
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DATA 0xFFD01428 0x00084520 # DDR2 SDRAM Timing Low
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# bit3-0 : 0000, required
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# bit7-4 : 0010, M_ODT assertion 2 cycles after read
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# bit11-8 : 0101, M_ODT de-assertion 5 cycles after read
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# bit15-12: 0100, internal ODT assertion 4 cycles after read
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# bit19-16: 1000, internal ODT de-assertion 8 cycles after read
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# bit31-20: 0 , required
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DATA 0xFFD0147c 0x00008451 # DDR2 SDRAM Timing High
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# bit3-0 : 0001, M_ODT assertion same cycle as write
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# bit7-4 : 0101, M_ODT de-assertion x cycles after write
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# bit11-8 : 0100, internal ODT assertion x cycles after write
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# bit15-12: 1000, internal ODT de-assertion x cycles after write
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DATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0
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DATA 0xFFD01504 0x0FFFFFF1 # CS[0]n Size
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# bit0: 1, Window enabled
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# bit1: 0, Write Protect disabled
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# bit3-2: 00, CS0 hit selected
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# bit23-4: ones, required
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# bit31-24: 0x0F, Size (i.e. 256MB)
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DATA 0xFFD0150C 0x00000000 # CS[1]n Size, window disabled
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DATA 0xFFD01514 0x00000000 # CS[2]n Size, window disabled
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DATA 0xFFD0151C 0x00000000 # CS[3]n Size, window disabled
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DATA 0xFFD01494 0x00010000 # DDR ODT Control (Low)
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# bit3-0: 0, ODT0Rd, MODT[0] not asserted during read from DRAM CS0
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# bit19-16:1, ODT0Wr, MODT[0] asserted during write to DRAM CS0
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DATA 0xFFD01498 0x00000000 # DDR ODT Control (High)
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# bit1-0: 00, ODT0 controlled by ODT Control (low) register above
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# bit3-2: 00, ODT1 controlled by register
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# bit31-4: zero, required
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DATA 0xFFD0149C 0x0000F801 # CPU ODT Control
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# bit3-0: 1, ODT0Rd, Internal ODT asserted during read from DRAM bank0
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# bit7-4: 0, ODT0Wr, Internal ODT not asserted during write to DRAM bank0
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# bit9-8: 0, ODTEn, controlled by ODT0Rd and ODT0Wr
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# bit11-10:2, DQ_ODTSel. ODT select turned on, 75 ohm
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# bit13-12:3, STARTBURST ODT buffer selected, 50 ohm
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# bit14 :1, STARTBURST ODT enabled
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# bit15 :1, Use ODT Block
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DATA 0xFFD01480 0x00000001 # DDR Initialization Control
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# bit0=1, enable DDR init upon this register write
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# End of Header extension
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DATA 0x0 0x0
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