83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
154 lines
5.0 KiB
INI
154 lines
5.0 KiB
INI
# SPDX-License-Identifier: GPL-2.0+
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#
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# Copyright (C) 2011-2012
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# Gerald Kerma <dreagle@doukki.net>
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# Simon Baatz <gmbnomis@gmail.com>
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# Luka Perkov <luka@openwrt.org>
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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 nand
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NAND_ECC_MODE default
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NAND_PAGE_SIZE 0x0800
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# SOC registers configuration using bootrom header extension
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# Maximum KWBIMAGE_MAX_CONFIG configurations allowed
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# Configure RGMII-0 interface pad voltage to 1.8V
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DATA 0xffd100e0 0x1b1b1b9b
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# Dram initalization for SINGLE x16 CL=5 @ 400MHz
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DATA 0xffd01400 0x43000c30 # DDR Configuration register
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# bit13-0: 0xc30, (3120 DDR2 clks refresh rate)
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# bit23-14: 0x0,
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# bit24: 0x1, enable exit self refresh mode on DDR access
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# bit25: 0x1, required
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# bit29-26: 0x0,
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# bit31-30: 0x1,
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DATA 0xffd01404 0x37543000 # DDR Controller Control Low
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# bit4: 0x0, addr/cmd in smame cycle
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# bit5: 0x0, clk is driven during self refresh, we don't care for APX
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# bit6: 0x0, use recommended falling edge of clk for addr/cmd
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# bit14: 0x0, input buffer always powered up
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# bit18: 0x1, cpu lock transaction enabled
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# bit23-20: 0x5, recommended value for CL=5 and STARTBURST_DEL disabled bit31=0
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# bit27-24: 0x7, CL+2, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
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# bit30-28: 0x3, required
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# bit31: 0x0, no additional STARTBURST delay
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DATA 0xffd01408 0x22125451 # 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 0x00000a33 # 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: 0x0, required
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DATA 0xffd01410 0x0000000c # DDR Address Control
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# bit1-0: 00, Cs0width (x8)
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# bit3-2: 11, Cs0size (1Gb)
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# bit5-4: 00, Cs1width (x8)
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# bit7-6: 11, Cs1size (1Gb)
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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: 0x0, 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: 0x0, 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: 0x0, required
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DATA 0xffd0141c 0x00000c52 # DDR Mode
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# bit2-0: 0x2, BurstLen=2 required
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# bit3: 0x0, BurstType=0 required
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# bit6-4: 0x4, CL=5
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# bit7: 0x0, TestMode=0 normal
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# bit8: 0x0, DLL reset=0 normal
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# bit11-9: 0x6, auto-precharge write recovery
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# bit12: 0x0, PD must be zero
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# bit31-13: 0x0, required
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DATA 0xffd01420 0x00000040 # DDR Extended Mode
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# bit0: 0, DDR DLL enabled
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# bit1: 0, DDR drive strenght normal
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# bit2: 1, DDR ODT control lsd (disabled)
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# bit5-3: 0x0, required
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# bit6: 0, DDR ODT control msb, (disabled)
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# bit9-7: 0x0, 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: 0x0, required
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DATA 0xffd01424 0x0000f17f # DDR Controller Control High
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# bit2-0: 0x7, required
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# bit3: 0x1, MBUS Burst Chop disabled
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# bit6-4: 0x7, required
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# bit7: 0x0,
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# bit8: 0x1, add writepath sample stage, must be 1 for DDR freq >= 300MHz
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# bit9: 0x0, no half clock cycle addition to dataout
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# bit10: 0x0, 1/4 clock cycle skew enabled for addr/ctl signals
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# bit11: 0x0, 1/4 clock cycle skew disabled for write mesh
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# bit15-12: 0xf, required
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# bit31-16: 0, required
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DATA 0xffd01428 0x00085520 # DDR2 ODT Read Timing (default values)
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DATA 0xffd0147c 0x00008552 # DDR2 ODT Write Timing (default values)
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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: 0x1, Window enabled
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# bit1: 0x0, Write Protect disabled
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# bit3-2: 0x0, CS0 hit selected
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# bit23-4: 0xfffff, required
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# bit31-24: 0x0f, Size (i.e. 256MB)
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DATA 0xffd01508 0x10000000 # CS[1]n Base address to 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 0x00030000 # DDR ODT Control (Low)
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# bit3-0: ODT0Rd, MODT[0] asserted during read from DRAM CS1
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# bit7-4: ODT0Rd, MODT[0] asserted during read from DRAM CS0
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# bit19-16:2, ODT0Wr, MODT[0] asserted during write to DRAM CS1
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# bit23-20:1, 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: 0x0, ODT0 controlled by ODT Control (low) register above
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# bit3-2: 0x1, ODT1 active NEVER!
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# bit31-4: 0x0, required
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DATA 0xffd0149c 0x0000e803 # CPU ODT Control
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DATA 0xffd01480 0x00000001 # DDR Initialization Control
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# bit0: 0x1, enable DDR init upon this register write
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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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# End of Header extension
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DATA 0x0 0x0
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