blob: d6edd27943d37865c70d435243b606ae483db8be [file] [log] [blame]
Heiko Schocher67fa8c22010-02-22 16:43:02 +05301#
2# (C) Copyright 2010
3# Heiko Schocher, DENX Software Engineering, hs@denx.de.
4#
5# See file CREDITS for list of people who contributed to this
6# project.
7#
8# This program is free software; you can redistribute it and/or
9# modify it under the terms of the GNU General Public License as
10# published by the Free Software Foundation; either version 2 of
11# the License, or (at your option) any later version.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16# GNU General Public License for more details.
17#
18# You should have received a copy of the GNU General Public License
19# along with this program; if not, write to the Free Software
20# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
21# MA 02110-1301 USA
22#
23# Refer docs/README.kwimage for more details about how-to configure
24# and create kirkwood boot image
25#
26
27# Boot Media configurations
28BOOT_FROM spi # Boot from SPI flash
29
30DATA 0xFFD10000 0x01111111 # MPP Control 0 Register
31# bit 3-0: MPPSel0 1, NF_IO[2]
32# bit 7-4: MPPSel1 1, NF_IO[3]
33# bit 12-8: MPPSel2 1, NF_IO[4]
34# bit 15-12: MPPSel3 1, NF_IO[5]
35# bit 19-16: MPPSel4 1, NF_IO[6]
36# bit 23-20: MPPSel5 1, NF_IO[7]
37# bit 27-24: MPPSel6 1, SYSRST_O
38# bit 31-28: MPPSel7 0, GPO[7]
39
40DATA 0xFFD10008 0x00001100 # MPP Control 2 Register
41# bit 3-0: MPPSel16 0, GPIO[16]
42# bit 7-4: MPPSel17 0, GPIO[17]
43# bit 12-8: MPPSel18 1, NF_IO[0]
44# bit 15-12: MPPSel19 1, NF_IO[1]
45# bit 19-16: MPPSel20 0, GPIO[20]
46# bit 23-20: MPPSel21 0, GPIO[21]
47# bit 27-24: MPPSel22 0, GPIO[22]
48# bit 31-28: MPPSel23 0, GPIO[23]
49
50DATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register
51DATA 0xFFD20134 0xBBBBBBBB # L2 RAM Timing 0 Register
52DATA 0xFFD20138 0x00BBBBBB # L2 RAM Timing 1 Register
53DATA 0xFFD20154 0x00000200 # CPU RAM Management Control3 Register
54DATA 0xFFD2014C 0x00001C00 # CPU RAM Management Control1 Register
55DATA 0xFFD20148 0x00000001 # CPU RAM Management Control0 Register
56
57#Dram initalization
58DATA 0xFFD01400 0x43000400 # SDRAM Configuration Register
59# bit13-0: 0x400 (DDR2 clks refresh rate)
60# bit23-14: zero
61# bit24: 1= enable exit self refresh mode on DDR access
62# bit25: 1 required
63# bit29-26: zero
64# bit31-30: 01
65
66DATA 0xFFD01404 0x36343000 # DDR Controller Control Low
67 0x38543000
68# bit 3-0: 0 reserved
69# bit 4: 0=addr/cmd in smame cycle
70# bit 5: 0=clk is driven during self refresh, we don't care for APX
71# bit 6: 0=use recommended falling edge of clk for addr/cmd
72# bit14: 0=input buffer always powered up
73# bit18: 1=cpu lock transaction enabled
74# bit23-20: 3=recommended value for CL=3 and STARTBURST_DEL disabled bit31=0
75# bit27-24: 6= CL+3, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
76# bit30-28: 3 required
77# bit31: 0=no additional STARTBURST delay
78
79DATA 0xFFD01408 0x2302544B # DDR Timing (Low) (active cycles value +1)
80# bit3-0: TRAS lsbs
81# bit7-4: TRCD
82# bit11- 8: TRP
83# bit15-12: TWR
84# bit19-16: TWTR
85# bit20: TRAS msb
86# bit23-21: 0x0
87# bit27-24: TRRD
88# bit31-28: TRTP
89
90DATA 0xFFD0140C 0x00000032 # DDR Timing (High)
91# bit6-0: TRFC
92# bit8-7: TR2R
93# bit10-9: TR2W
94# bit12-11: TW2W
95# bit31-13: zero required
96
97DATA 0xFFD01410 0x0000000D # DDR Address Control
98# bit1-0: 01, Cs0width=x16
99# bit3-2: 11, Cs0size=1Gb
100# bit5-4: 00, Cs2width=nonexistent
101# bit7-6: 00, Cs1size =nonexistent
102# bit9-8: 00, Cs2width=nonexistent
103# bit11-10: 00, Cs2size =nonexistent
104# bit13-12: 00, Cs3width=nonexistent
105# bit15-14: 00, Cs3size =nonexistent
106# bit16: 0, Cs0AddrSel
107# bit17: 0, Cs1AddrSel
108# bit18: 0, Cs2AddrSel
109# bit19: 0, Cs3AddrSel
110# bit31-20: 0 required
111
112DATA 0xFFD01414 0x00000000 # DDR Open Pages Control
113# bit0: 0, OpenPage enabled
114# bit31-1: 0 required
115
116DATA 0xFFD01418 0x00000000 # DDR Operation
117# bit3-0: 0x0, DDR cmd
118# bit31-4: 0 required
119
120DATA 0xFFD0141C 0x00000642 # DDR Mode
121DATA 0xFFD01420 0x00000040 # DDR Extended Mode
122# bit0: 0, DDR DLL enabled
123# bit1: 0, DDR drive strenght normal
124# bit2: 1, DDR ODT control lsd disabled
125# bit5-3: 000, required
126# bit6: 1, DDR ODT control msb, enabled
127# bit9-7: 000, required
128# bit10: 0, differential DQS enabled
129# bit11: 0, required
130# bit12: 0, DDR output buffer enabled
131# bit31-13: 0 required
132
133DATA 0xFFD01424 0x0000F07F # DDR Controller Control High
134# bit2-0: 111, required
135# bit3 : 1 , MBUS Burst Chop disabled
136# bit6-4: 111, required
137# bit7 : 0
138# bit8 : 0 , no sample stage
139# bit9 : 0 , no half clock cycle addition to dataout
140# bit10 : 0 , 1/4 clock cycle skew enabled for addr/ctl signals
141# bit11 : 0 , 1/4 clock cycle skew disabled for write mesh
142# bit15-12: 1111 required
143# bit31-16: 0 required
144
145DATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0
146DATA 0xFFD01504 0x07FFFFF1 # CS[0]n Size
147# bit0: 1, Window enabled
148# bit1: 0, Write Protect disabled
149# bit3-2: 00, CS0 hit selected
150# bit23-4: ones, required
151# bit31-24: 0x07, Size (i.e. 128MB)
152
153DATA 0xFFD0150C 0x00000000 # CS[1]n Size, window disabled
154DATA 0xFFD01514 0x00000000 # CS[2]n Size, window disabled
155DATA 0xFFD0151C 0x00000000 # CS[3]n Size, window disabled
156
157DATA 0xFFD01494 0x00000000 # DDR ODT Control (Low)
158# bit3-0: 0, ODT0Rd, MODT[0] asserted during read from DRAM CS0
159# bit19-16:0, ODT0Wr, MODT[0] asserted during write to DRAM CS0
160
161DATA 0xFFD01498 0x00000000 # DDR ODT Control (High)
162# bit1-0: 00, ODT0 controlled by ODT Control (low) register above
163# bit3-2: 00, ODT1 controlled by register
164# bit31-4: zero, required
165
166DATA 0xFFD0149C 0x0000E90F # CPU ODT Control
167# bit3-0: F, ODT0Rd, Internal ODT asserted during read from DRAM bank0
168# bit7-4: 0, ODT0Wr, Internal ODT asserted during write to DRAM bank0
169# bit9-8: 1, ODTEn, never active
170# bit11-10:2, DQ_ODTSel. ODT select turned on, 75 ohm
171
172DATA 0xFFD01480 0x00000001 # DDR Initialization Control
173#bit0=1, enable DDR init upon this register write
174
175# End of Header extension
176DATA 0x0 0x0