147 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			INI
		
	
	
	
			
		
		
	
	
			147 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			INI
		
	
	
	
| #
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| # (C) Copyright 2009
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| # Marvell Semiconductor <www.marvell.com>
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| # Written-by: Siddarth Gore <gores@marvell.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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| 
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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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| 
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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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| 
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| # Configure RGMII-0/1 interface pad voltage to 1.8V
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| DATA 0xFFD100e0 0x1b1b9b9b
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| 
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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: 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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| 
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| DATA 0xFFD01404 0x37543000	# DDR Controller Control Low
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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=5 and STARTBURST_DEL disabled bit31=0
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| # bit27-24: 7= CL+2, 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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| 
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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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| 
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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: zero required
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| 
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| DATA 0xFFD01410 0x000000cc	#  DDR Address Control
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| # bit1-0:   01, Cs0width=x8
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| # bit3-2:   10, Cs0size=1Gb
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| # bit5-4:   01, Cs1width=x8
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| # bit7-6:   10, 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: 0 required
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| 
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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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| 
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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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| 
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| DATA 0xFFD0141C 0x00000C52	#  DDR Mode
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| # bit2-0:   2, BurstLen=2 required
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| # bit3:     0, BurstType=0 required
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| # bit6-4:   4, CL=5
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| # bit7:     0, TestMode=0 normal
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| # bit8:     0, DLL reset=0 normal
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| # bit11-9:  6, auto-precharge write recovery ????????????
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| # bit12:    0, PD must be zero
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| # bit31-13: 0 required
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| 
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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:    0,  DDR ODT control lsd (disabled)
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| # bit5-3:  000, required
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| # bit6:    1,  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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| 
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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 writepath sample stage, must be 1 for DDR freq >= 300MHz
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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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| 
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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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| 
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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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| 
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| DATA 0xFFD01508 0x10000000	# CS[1]n Base address to 256Mb
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| DATA 0xFFD0150C 0x0FFFFFF5	# CS[1]n Size 256Mb Window enabled for CS1
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| 
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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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| 
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| DATA 0xFFD01494 0x00030000	#  DDR ODT Control (Low)
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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:  01, ODT1 active NEVER!
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| # bit31-4: zero, required
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| 
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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=1, enable DDR init upon this register write
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| 
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| # End of Header extension
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| DATA 0x0 0x0
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