mirror of
https://github.com/AsahiLinux/u-boot
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b1e6c4c3d4
Many boot image configuration files refer to the appropriate documentation file, but these references contain typos in the directory and file name. Fix them. Also fix reference to doc/README.SPL file. Signed-off-by: Anatolij Gustschin <agust@denx.de> Cc: Prafulla Wadaskar <prafulla@marvell.com> Cc: Stefano Babic <sbabic@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
229 lines
7.3 KiB
INI
229 lines
7.3 KiB
INI
#
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# Copyright (c) 2012 Michael Walle
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# Michael Walle <michael@walle.cc>
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA
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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
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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-0/1 interface pad voltage to 1.8V
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DATA 0xFFD100E0 0x1B1B1B9B
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# L2 RAM Timing 0
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DATA 0xFFD20134 0xBBBBBBBB
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# not further specified in HW manual, timing taken from original vendor port
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# L2 RAM Timing 1
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DATA 0xFFD20138 0x00BBBBBB
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# not further specified in HW manual, timing taken from original vendor port
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# DDR Configuration register
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DATA 0xFFD01400 0x43000618
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# bit13-0: 0x618, 1560 DDR2 clks refresh rate
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# bit23-14: 0 required
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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: 0 required
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# bit31-30: 0b01 required
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# DDR Controller Control Low
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DATA 0xFFD01404 0x39543000
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# bit3-0: 0 required
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# bit4: 0, addr/cmd in same cycle
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# bit5: 0, clk is driven during self refresh, we don't care for APX
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# bit6: 0, use recommended falling edge of clk for addr/cmd
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# bit11-7: 0 required
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# bit12: 1 required
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# bit13: 1 required
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# bit14: 0, input buffer always powered up
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# bit17-15: 0 required
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# bit18: 1, cpu lock transaction enabled
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# bit19: 0 required
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# bit23-20: 5, recommended value for CL=5 and STARTBURST_DEL disabled bit31=0
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# bit27-24: 9, 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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# DDR Timing (Low)
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DATA 0xFFD01408 0x3302444F
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# bit3-0: 0xf, 16 cycle tRAS (tRAS[3-0])
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# bit7-4: 4, 5 cycle tRCD
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# bit11-8: 4, 5 cyle tRP
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# bit15-12: 4, 5 cyle tWR
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# bit19-16: 2, 3 cyle tWTR
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# bit20: 0, 16 cycle tRAS (tRAS[4])
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# bit23-21: 0 required
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# bit27-24: 3, 4 cycle tRRD
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# bit31-28: 3, 4 cyle tRTP
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# DDR Timing (High)
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DATA 0xFFD0140C 0x00000823
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# bit6-0: 0x23, 35 cycle tRFC
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# bit8-7: 0, 1 cycle tR2R
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# bit10-9: 0, 1 cyle tR2W
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# bit12-11: 1, 2 cylce tW2W
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# bit31-13: 0 required
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# DDR Address Control
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DATA 0xFFD01410 0x00000009
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# bit1-0: 1, Cs0width=x16
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# bit3-2: 2, Cs0size=512Mbit
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# bit5-4: 0, Cs1width=nonexistent
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# bit7-6: 0, Cs1size=nonexistent
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# bit9-8: 0, Cs2width=nonexistent
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# bit11-10: 0, Cs2size=nonexistent
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# bit13-12: 0, Cs3width=nonexistent
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# bit15-14: 0, 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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# DDR Open Pages Control
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DATA 0xFFD01414 0x00000000
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# bit0: 0, OPEn=OpenPage enabled
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# bit31-1: 0 required
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# DDR Operation
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DATA 0xFFD01418 0x00000000
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# bit3-0: 0, Cmd=Normal SDRAM Mode
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# bit31-4: 0 required
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# DDR Mode
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DATA 0xFFD0141C 0x00000652
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# bit2-0: 2, Burst Length (2 required)
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# bit3: 0, Burst Type (0 required)
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# bit6-4: 5, CAS Latency (CL) 5
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# bit7: 0, (Test Mode) Normal operation
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# bit8: 0, (Reset DLL) Normal operation
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# bit11-9: 3, Write recovery for auto-precharge (3 required)
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# bit12: 0, Fast Active power down exit time (0 required)
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# bit31-13: 0 required
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# DDR Extended Mode
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DATA 0xFFD01420 0x00000042
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# bit0: 0, DRAM DLL enabled
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# bit1: 1, DRAM drive strength reduced
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# bit2: 0, ODT control Rtt[0] (Rtt=2, 150 ohm termination)
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# bit5-3: 0 required
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# bit6: 1, ODT control Rtt[1] (Rtt=2, 150 ohm termination)
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# bit9-7: 0 required
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# bit10: 0, differential DQS enabled
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# bit11: 0 required
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# bit12: 0, DRAM output buffer enabled
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# bit31-13: 0 required
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# DDR Controller Control High
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DATA 0xFFD01424 0x0000F17F
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# bit2-0: 0x7 required
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# bit3: 1, MBUS Burst Chop disabled
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# bit6-4: 0x7 required
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# bit7: 0 required (???)
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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: 0xf required
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# bit31-16: 0 required
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# DDR2 ODT Read Timing (default values)
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DATA 0xFFD01428 0x00085520
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# bit3-0: 0 required
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# bit7-4: 2, 2 cycles from read command to assertion of M_ODT signal
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# bit11-8: 5, 5 cycles from read command to de-assertion of M_ODT signal
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# bit15-12: 5, 5 cycles from read command to assertion of internal ODT signal
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# bit19-16: 8, 8 cycles from read command to de-assertion of internal ODT signal
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# bit31-20: 0 required
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# DDR2 ODT Write Timing (default values)
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DATA 0xFFD0147C 0x00008552
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# bit3-0: 2, 2 cycles from write comand to assertion of M_ODT signal
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# bit7-4: 5, 5 cycles from write command to de-assertion of M_ODT signal
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# bit15-12: 5, 5 cycles from write command to assertion of internal ODT signal
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# bit19-16: 8, 8 cycles from write command to de-assertion of internal ODT signal
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# bit31-16: 0 required
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# CS[0]n Base address
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DATA 0xFFD01500 0x00000000
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# at 0x0
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# CS[0]n Size
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DATA 0xFFD01504 0x03FFFFF1
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# bit0: 1, Window enabled
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# bit1: 0, 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: 0x03, Size (i.e. 64MB)
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# CS[1]n Size
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DATA 0xFFD0150C 0x00000000
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# window disabled
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# CS[2]n Size
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DATA 0xFFD01514 0x00000000
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# window disabled
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# CS[3]n Size
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DATA 0xFFD0151C 0x00000000
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# window disabled
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# DDR ODT Control (Low)
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DATA 0xFFD01494 0x003C0000
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# bit3-0: 0b0000, (read) M_ODT[0] is not asserted during read from DRAM
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# bit7-4: 0b0000, (read) M_ODT[1] is not asserted during read from DRAM
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# bit15-8: 0 required
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# bit19-16: 0b1100, (write) M_ODT[0] is asserted during write to DRAM CS2, CS3
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# bit23-20: 0b0011, (write) M_ODT[1] is asserted during write to DRAM CS0, CS1
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# bit31-24: 0 required
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# DDR ODT Control (High)
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DATA 0xFFD01498 0x00000000
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# bit1-0: 0, M_ODT[0] assertion is controlled by ODT Control Low register
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# bit3-2: 0, M_ODT[1] assertion is controlled by ODT Control Low register
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# bit31-4 0 required
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# CPU ODT Control
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DATA 0xFFD0149C 0x0000E80F
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# bit3-0: 0b1111, internal ODT is asserted during read from DRAM bank 0-3
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# bit7-4: 0b0000, internal ODT is not asserted during write to DRAM bank 0-3
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# bit9-8: 0, Internal ODT assertion is controlled by fiels
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# bit11-10: 2, M_DQ, M_DM, and M_DQS I/O buffer ODT 75 ohm
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# bit13-12: 2, M_STARTBURST_IN I/O buffer ODT 75 ohm
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# bit14: 1, M_STARTBURST_IN ODT enabled
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# bit15: 1, DDR IO ODT Unit: Drive ODT calibration values
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# bit20-16: 0, Pad N channel driving strength for ODT
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# bit25-21: 0, Pad P channel driving strength for ODT
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# bit31-26: 0 required
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# DDR Initialization Control
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DATA 0xFFD01480 0x00000001
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# bit0: 1, enable DDR init upon this register write
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# bit31-1: 0, required
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# End of Header extension
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DATA 0x0 0x0
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