1#
2# (C) Copyright 2009-2012
3# Wojciech Dubowik <wojciech.dubowik@neratec.com>
4# Luka Perkov <luka@openwrt.org>
5#
6# See file CREDITS for list of people who contributed to this
7# project.
8#
9# This program is free software; you can redistribute it and/or
10# modify it under the terms of the GNU General Public License as
11# published by the Free Software Foundation; either version 2 of
12# the License, or (at your option) any later version.
13#
14# This program is distributed in the hope that it will be useful,
15# but WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17# GNU General Public License for more details.
18#
19# You should have received a copy of the GNU General Public License
20# along with this program. If not, see <http://www.gnu.org/licenses/>.
21#
22# Refer doc/README.kwbimage for more details about how-to configure
23# and create kirkwood boot image
24#
25
26# Boot Media configurations
27BOOT_FROM	nand
28NAND_ECC_MODE	default
29NAND_PAGE_SIZE	0x0800
30
31# SOC registers configuration using bootrom header extension
32# Maximum KWBIMAGE_MAX_CONFIG configurations allowed
33
34# Configure RGMII-0 interface pad voltage to 1.8V
35DATA 0xffd100e0 0x1b1b1b9b
36
37#Dram initalization for SINGLE x16 CL=5 @ 400MHz
38DATA 0xffd01400 0x43000c30	# DDR Configuration register
39# bit13-0:  0xc30, (3120 DDR2 clks refresh rate)
40# bit23-14: 0x0,
41# bit24:    0x1,   enable exit self refresh mode on DDR access
42# bit25:    0x1,   required
43# bit29-26: 0x0,
44# bit31-30: 0x1,
45
46DATA 0xffd01404 0x37543000	# DDR Controller Control Low
47# bit4:     0x0, addr/cmd in smame cycle
48# bit5:     0x0, clk is driven during self refresh, we don't care for APX
49# bit6:     0x0, use recommended falling edge of clk for addr/cmd
50# bit14:    0x0, input buffer always powered up
51# bit18:    0x1, cpu lock transaction enabled
52# bit23-20: 0x5, recommended value for CL=5 and STARTBURST_DEL disabled bit31=0
53# bit27-24: 0x7, CL+2, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
54# bit30-28: 0x3, required
55# bit31:    0x0, no additional STARTBURST delay
56
57DATA 0xffd01408 0x22125451	# DDR Timing (Low) (active cycles value +1)
58# bit3-0:   TRAS lsbs
59# bit7-4:   TRCD
60# bit11-8:  TRP
61# bit15-12: TWR
62# bit19-16: TWTR
63# bit20:    TRAS msb
64# bit23-21: 0x0
65# bit27-24: TRRD
66# bit31-28: TRTP
67
68DATA 0xffd0140c 0x00000a33	# DDR Timing (High)
69# bit6-0:   TRFC
70# bit8-7:   TR2R
71# bit10-9:  TR2W
72# bit12-11: TW2W
73# bit31-13: 0x0, required
74
75DATA 0xffd01410 0x000000cc	# DDR Address Control
76# bit1-0:   00,  Cs0width (x8)
77# bit3-2:   11,  Cs0size (1Gb)
78# bit5-4:   00,  Cs1width (x8)
79# bit7-6:   11,  Cs1size (1Gb)
80# bit9-8:   00,  Cs2width (nonexistent)
81# bit11-10: 00,  Cs2size (nonexistent)
82# bit13-12: 00,  Cs3width (nonexistent)
83# bit15-14: 00,  Cs3size (nonexistent)
84# bit16:    0,   Cs0AddrSel
85# bit17:    0,   Cs1AddrSel
86# bit18:    0,   Cs2AddrSel
87# bit19:    0,   Cs3AddrSel
88# bit31-20: 0x0, required
89
90DATA 0xffd01414 0x00000000	# DDR Open Pages Control
91# bit0:    0,   OpenPage enabled
92# bit31-1: 0x0, required
93
94DATA 0xffd01418 0x00000000	# DDR Operation
95# bit3-0:   0x0, DDR cmd
96# bit31-4:  0x0, required
97
98DATA 0xffd0141c 0x00000c52	# DDR Mode
99# bit2-0:   0x2, BurstLen=2 required
100# bit3:     0x0, BurstType=0 required
101# bit6-4:   0x4, CL=5
102# bit7:     0x0, TestMode=0 normal
103# bit8:     0x0, DLL reset=0 normal
104# bit11-9:  0x6, auto-precharge write recovery ????????????
105# bit12:    0x0, PD must be zero
106# bit31-13: 0x0, required
107
108DATA 0xffd01420 0x00000040	# DDR Extended Mode
109# bit0:     0,   DDR DLL enabled
110# bit1:     0,   DDR drive strenght normal
111# bit2:     0,   DDR ODT control lsd (disabled)
112# bit5-3:   0x0, required
113# bit6:     1,   DDR ODT control msb, (disabled)
114# bit9-7:   0x0, required
115# bit10:    0,   differential DQS enabled
116# bit11:    0,   required
117# bit12:    0,   DDR output buffer enabled
118# bit31-13: 0x0, required
119
120DATA 0xffd01424 0x0000f17f	# DDR Controller Control High
121# bit2-0:   0x7, required
122# bit3:     0x1, MBUS Burst Chop disabled
123# bit6-4:   0x7, required
124# bit7:     0x0,
125# bit8:     0x1, add writepath sample stage, must be 1 for DDR freq >= 300MHz
126# bit9:     0x0, no half clock cycle addition to dataout
127# bit10:    0x0, 1/4 clock cycle skew enabled for addr/ctl signals
128# bit11:    0x0, 1/4 clock cycle skew disabled for write mesh
129# bit15-12: 0xf, required
130# bit31-16: 0x0, required
131
132DATA 0xffd01428 0x00085520	# DDR2 ODT Read Timing (default values)
133DATA 0xffd0147c 0x00008552	# DDR2 ODT Write Timing (default values)
134
135DATA 0xffd01500 0x00000000	# CS[0]n Base address to 0x0
136DATA 0xffd01504 0x0ffffff1	# CS[0]n Size
137# bit0:     0x1,     Window enabled
138# bit1:     0x0,     Write Protect disabled
139# bit3-2:   0x0,     CS0 hit selected
140# bit23-4:  0xfffff, required
141# bit31-24: 0x0f,    Size (i.e. 256MB)
142
143DATA 0xffd01508 0x00000000	# CS[1]n Base address to 256Mb
144DATA 0xffd0150c 0x00000000	# CS[1]n Size, window disabled
145
146DATA 0xffd01514 0x00000000	# CS[2]n Size, window disabled
147DATA 0xffd0151c 0x00000000	# CS[3]n Size, window disabled
148
149DATA 0xffd01494 0x00030000	# DDR ODT Control (Low)
150# bit3-0:     ODT0Rd, MODT[0] asserted during read from DRAM CS1
151# bit7-4:     ODT0Rd, MODT[0] asserted during read from DRAM CS0
152# bit19-16:2, ODT0Wr, MODT[0] asserted during write to DRAM CS1
153# bit23-20:1, ODT0Wr, MODT[0] asserted during write to DRAM CS0
154
155DATA 0xffd01498 0x00000000	# DDR ODT Control (High)
156# bit1-0:  0x0, ODT0 controlled by ODT Control (low) register above
157# bit3-2:  0x1, ODT1 active NEVER!
158# bit31-4: 0x0, required
159
160DATA 0xffd0149c 0x0000e803	# CPU ODT Control
161DATA 0xffd01480 0x00000001	# DDR Initialization Control
162# bit0: 0x1, enable DDR init upon this register write
163
164# End of Header extension
165DATA 0x0 0x0
166