4 # Based on dockstar/kwbimage.cfg originally written by
7 # Based on sheevaplug/kwbimage.cfg originally written by
10 # Marvell Semiconductor <www.marvell.com>
12 # See file CREDITS for list of people who contributed to this
15 # This program is free software; you can redistribute it and/or
16 # modify it under the terms of the GNU General Public License as
17 # published by the Free Software Foundation; either version 2 of
18 # the License, or (at your option) any later version.
20 # This program is distributed in the hope that it will be useful,
21 # but WITHOUT ANY WARRANTY; without even the implied warranty of
22 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 # GNU General Public License for more details.
25 # You should have received a copy of the GNU General Public License
26 # along with this program; if not, write to the Free Software
27 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
30 # Refer docs/README.kwimage for more details about how-to configure
31 # and create kirkwood boot image
34 # Boot Media configurations
39 # SOC registers configuration using bootrom header extension
40 # Maximum KWBIMAGE_MAX_CONFIG configurations allowed
42 # Configure RGMII-0 interface pad voltage to 1.8V
43 DATA 0xFFD100e0 0x1b1b1b9b
45 #Dram initalization for SINGLE x16 CL=5 @ 400MHz
46 DATA 0xFFD01400 0x43000c30 # DDR Configuration register
47 # bit13-0: 0xc30 (3120 DDR2 clks refresh rate)
49 # bit24: 1= enable exit self refresh mode on DDR access
54 DATA 0xFFD01404 0x37543000 # DDR Controller Control Low
55 # bit 4: 0=addr/cmd in smame cycle
56 # bit 5: 0=clk is driven during self refresh, we don't care for APX
57 # bit 6: 0=use recommended falling edge of clk for addr/cmd
58 # bit14: 0=input buffer always powered up
59 # bit18: 1=cpu lock transaction enabled
60 # bit23-20: 5=recommended value for CL=5 and STARTBURST_DEL disabled bit31=0
61 # bit27-24: 7= CL+2, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
62 # bit30-28: 3 required
63 # bit31: 0=no additional STARTBURST delay
65 DATA 0xFFD01408 0x22125451 # DDR Timing (Low) (active cycles value +1)
76 DATA 0xFFD0140C 0x00000a33 # DDR Timing (High)
81 # bit31-13: zero required
83 DATA 0xFFD01410 0x0000000d # DDR Address Control
84 # bit1-0: 00, Cs0width=x8
85 # bit3-2: 11, Cs0size=1Gb
86 # bit5-4: 00, Cs1width=nonexistent
87 # bit7-6: 00, Cs1size =nonexistent
88 # bit9-8: 00, Cs2width=nonexistent
89 # bit11-10: 00, Cs2size =nonexistent
90 # bit13-12: 00, Cs3width=nonexistent
91 # bit15-14: 00, Cs3size =nonexistent
92 # bit16: 0, Cs0AddrSel
93 # bit17: 0, Cs1AddrSel
94 # bit18: 0, Cs2AddrSel
95 # bit19: 0, Cs3AddrSel
96 # bit31-20: 0 required
98 DATA 0xFFD01414 0x00000000 # DDR Open Pages Control
99 # bit0: 0, OpenPage enabled
100 # bit31-1: 0 required
102 DATA 0xFFD01418 0x00000000 # DDR Operation
103 # bit3-0: 0x0, DDR cmd
104 # bit31-4: 0 required
106 DATA 0xFFD0141C 0x00000C52 # DDR Mode
107 # bit2-0: 2, BurstLen=2 required
108 # bit3: 0, BurstType=0 required
110 # bit7: 0, TestMode=0 normal
111 # bit8: 0, DLL reset=0 normal
112 # bit11-9: 6, auto-precharge write recovery ????????????
113 # bit12: 0, PD must be zero
114 # bit31-13: 0 required
116 DATA 0xFFD01420 0x00000040 # DDR Extended Mode
117 # bit0: 0, DDR DLL enabled
118 # bit1: 0, DDR drive strenght normal
119 # bit2: 0, DDR ODT control lsd (disabled)
120 # bit5-3: 000, required
121 # bit6: 1, DDR ODT control msb, (disabled)
122 # bit9-7: 000, required
123 # bit10: 0, differential DQS enabled
125 # bit12: 0, DDR output buffer enabled
126 # bit31-13: 0 required
128 DATA 0xFFD01424 0x0000F17F # DDR Controller Control High
129 # bit2-0: 111, required
130 # bit3 : 1 , MBUS Burst Chop disabled
131 # bit6-4: 111, required
133 # bit8 : 1 , add writepath sample stage, must be 1 for DDR freq >= 300MHz
134 # bit9 : 0 , no half clock cycle addition to dataout
135 # bit10 : 0 , 1/4 clock cycle skew enabled for addr/ctl signals
136 # bit11 : 0 , 1/4 clock cycle skew disabled for write mesh
137 # bit15-12: 1111 required
138 # bit31-16: 0 required
140 DATA 0xFFD01428 0x00085520 # DDR2 ODT Read Timing (default values)
141 DATA 0xFFD0147C 0x00008552 # DDR2 ODT Write Timing (default values)
143 DATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0
144 DATA 0xFFD01504 0x07FFFFF1 # CS[0]n Size
145 # bit0: 1, Window enabled
146 # bit1: 0, Write Protect disabled
147 # bit3-2: 00, CS0 hit selected
148 # bit23-4: ones, required
149 # bit31-24: 0x07, Size (i.e. 128MB)
151 DATA 0xFFD01508 0x10000000 # CS[1]n Base address to 256Mb
152 DATA 0xFFD0150C 0x00000000 # CS[1]n Size, window disabled
154 DATA 0xFFD01514 0x00000000 # CS[2]n Size, window disabled
155 DATA 0xFFD0151C 0x00000000 # CS[3]n Size, window disabled
157 DATA 0xFFD01494 0x00030000 # DDR ODT Control (Low)
158 DATA 0xFFD01498 0x00000000 # DDR ODT Control (High)
159 # bit1-0: 00, ODT0 controlled by ODT Control (low) register above
160 # bit3-2: 01, ODT1 active NEVER!
161 # bit31-4: zero, required
163 DATA 0xFFD0149C 0x0000E803 # CPU ODT Control
164 DATA 0xFFD01480 0x00000001 # DDR Initialization Control
165 #bit0=1, enable DDR init upon this register write
167 # End of Header extension