blob: 5de8df70fd6607403bd1c21512b9fe0815c98723 [file] [log] [blame]
Holger Brunck2ef42952012-07-05 05:37:46 +00001#
2# (C) Copyright 2010
3# Heiko Schocher, DENX Software Engineering, hs@denx.de.
4#
5# (C) Copyright 2012
6# Valentin Longchamp, Keymile AG, valentin.longchamp@keymile.com
7# Stefan Bigler, Keymile AG, stefan.bigler@keymile.com
8#
9# (C) Copyright 2012
10# See file CREDITS for list of people who contributed to this
11# project.
12#
13# This program is free software; you can redistribute it and/or
14# modify it under the terms of the GNU General Public License as
15# published by the Free Software Foundation; either version 2 of
16# the License, or (at your option) any later version.
17#
18# This program is distributed in the hope that it will be useful,
19# but WITHOUT ANY WARRANTY; without even the implied warranty of
20# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21# GNU General Public License for more details.
22#
23# You should have received a copy of the GNU General Public License
24# along with this program; if not, write to the Free Software
25# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
26# MA 02110-1301 USA
27#
28# Refer docs/README.kwimage for more details about how-to configure
29# and create kirkwood boot image
30#
31
32# Boot Media configurations
33BOOT_FROM spi # Boot from SPI flash
34
35DATA 0xFFD10000 0x01112222 # MPP Control 0 Register
36# bit 3-0: 2, MPPSel0 SPI_CSn (1=NF_IO[2])
37# bit 7-4: 2, MPPSel1 SPI_SI (1=NF_IO[3])
38# bit 12-8: 2, MPPSel2 SPI_SCK (1=NF_IO[4])
39# bit 15-12: 2, MPPSel3 SPI_SO (1=NF_IO[5])
40# bit 19-16: 1, MPPSel4 NF_IO[6]
41# bit 23-20: 1, MPPSel5 NF_IO[7]
42# bit 27-24: 1, MPPSel6 SYSRST_O
43# bit 31-28: 0, MPPSel7 GPO[7]
44
45DATA 0xFFD10004 0x03303300 # MPP Control 1 Register
46# bit 3-0: 0, MPPSel8 GPIO[8]
47# bit 7-4: 0, MPPSel9 GPIO[9]
48# bit 12-8: 3, MPPSel10 UA0_TXD
49# bit 15-12: 3, MPPSel11 UA0_RXD
50# bit 19-16: 0, MPPSel12 not connected
51# bit 23-20: 3, MPPSel13 UA1_TXD
52# bit 27-24: 3, MPPSel14 UA1_RXD
53# bit 31-28: 0, MPPSel15 GPIO[15]
54
55DATA 0xFFD10008 0x00001100 # MPP Control 2 Register
56# bit 3-0: 0, MPPSel16 GPIO[16]
57# bit 7-4: 0, MPPSel17 not connected
58# bit 12-8: 1, MPPSel18 NF_IO[0]
59# bit 15-12: 1, MPPSel19 NF_IO[1]
60# bit 19-16: 0, MPPSel20 GPIO[20]
61# bit 23-20: 0, MPPSel21 GPIO[21]
62# bit 27-24: 0, MPPSel22 GPIO[22]
63# bit 31-28: 0, MPPSel23 GPIO[23]
64
65# MPP Control 3-6 Register untouched (MPP24-49)
66
67DATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register
68# bit 2-0: 3, Reserved
69# bit 5-3: 3, Reserved
70# bit 6: 0, Reserved
71# bit 7: 0, RGMII-pads voltage = 3.3V
72# bit 10-8: 3, Reserved
73# bit 13-11: 3, Reserved
74# bit 14: 0, Reserved
75# bit 15: 0, MPP RGMII-pads voltage = 3.3V
76# bit 31-16 0x1B1B, Reserved
77
78DATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register
79# bit 0-1: 2, Tag RAM RTC RAM0
80# bit 3-2: 1, Tag RAM WTC RAM0
81# bit 7-4: 6, Reserve
82# bit 9-8: 2, Valid RAM RTC RAM
83# bit 11-10: 1, Valid RAM WTC RAM
84# bit 13-12: 2, Dirty RAM RTC RAM
85# bit 15-14: 1, Dirty RAM WTC RAM
86# bit 17-16: 2, Data RAM RTC RAM0
87# bit 19-18: 1, Data RAM WTC RAM0
88# bit 21-20: 2, Data RAM RTC RAM1
89# bit 23-22: 1, Data RAM WTC RAM1
90# bit 25-24: 2, Data RAM RTC RAM2
91# bit 27-26: 1, Data RAM WTC RAM2
92# bit 29-28: 2, Data RAM RTC RAM3
93# bit 31-30: 1, Data RAM WTC RAM4
94
95DATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register
96# bit 15-0: ???, Reserve
97# bit 17-16: 2, ECC RAM RTC RAM0
98# bit 19-18: 1, ECC RAM WTC RAM0
99# bit 31-20: ???,Reserve
100
Holger Brunck6eb68062012-11-02 00:15:07 +0000101# NOTE: Don't write on 0x20148 , 0x2014c and 0x20154, leave them untouched!
102# If not it could cause KW Exceptions during boot in Fast Corners/High Voltage
Holger Brunck2ef42952012-07-05 05:37:46 +0000103
104# SDRAM initalization
105DATA 0xFFD01400 0x430004E0 # SDRAM Configuration Register
106# bit 13-0: 0x4E0, DDR2 clks refresh rate
107# bit 14: 0, reserved
108# bit 15: 0, reserved
109# bit 16: 0, CPU to Dram Write buffer policy
110# bit 17: 0, Enable Registered DIMM or Equivalent Sampling Logic
111# bit 19-18: 0, reserved
112# bit 23-20: 0, reserved
113# bit 24: 1, enable exit self refresh mode on DDR access
114# bit 25: 1, required
115# bit 29-26: 0, reserved
116# bit 31-30: 1, reserved
117
118DATA 0xFFD01404 0x36543000 # DDR Controller Control Low
119# bit 3-0: 0, reserved
120# bit 4: 0, 2T mode =addr/cmd in same cycle
121# bit 5: 0, clk is driven during self refresh, we don't care for APX
122# bit 6: 0, use recommended falling edge of clk for addr/cmd
123# bit 7-11: 0, reserved
124# bit 12-13: 1, reserved, required 1
125# bit 14: 0, input buffer always powered up
126# bit 17-15: 0, reserved
127# bit 18: 1, cpu lock transaction enabled
128# bit 19: 0, reserved
129# bit 23-20: 5, recommended value for CL=4 and STARTBURST_DEL disabled bit31=0
130# bit 27-24: 6, CL+1, STARTBURST sample stages, for freqs 200-399MHz, unbuffered DIMM
131# bit 30-28: 3, required
132# bit 31: 0,no additional STARTBURST delay
133
134DATA 0xFFD01408 0x2302444e # DDR Timing (Low) (active cycles value +1)
135# bit 3-0: 0xE, TRAS, 15 clk (45 ns)
136# bit 7-4: 0x4, TRCD, 5 clk (15 ns)
137# bit 11-8: 0x4, TRP, 5 clk (15 ns)
138# bit 15-12: 0x4, TWR, 5 clk (15 ns)
139# bit 19-16: 0x2, TWTR, 3 clk (7.5 ns)
140# bit 20: 0, extended TRAS msb
141# bit 23-21: 0, reserved
142# bit 27-24: 0x3, TRRD, 4 clk (10 ns)
143# bit 31-28: 0x2, TRTP, 3 clk (7.5 ns)
144
145DATA 0xFFD0140C 0x0000003e # DDR Timing (High)
146# bit 6-0: 0x3E, TRFC, 63 clk (195 ns)
147# bit 8-7: 0, TR2R
148# bit 10-9: 0, TR2W
149# bit 12-11: 0, TW2W
150# bit 31-13: 0, reserved
151
152DATA 0xFFD01410 0x00000001 # DDR Address Control
153# bit 1-0: 1, Cs0width=x16
154# bit 3-2: 0, Cs0size=2Gb
155# bit 5-4: 0, Cs1width=nonexistent
156# bit 7-6: 0, Cs1size =nonexistent
157# bit 9-8: 0, Cs2width=nonexistent
158# bit 11-10: 0, Cs2size =nonexistent
159# bit 13-12: 0, Cs3width=nonexistent
160# bit 15-14: 0, Cs3size =nonexistent
161# bit 16: 0, Cs0AddrSel
162# bit 17: 0, Cs1AddrSel
163# bit 18: 0, Cs2AddrSel
164# bit 19: 0, Cs3AddrSel
165# bit 31-20: 0, required
166
167DATA 0xFFD01414 0x00000000 # DDR Open Pages Control
168# bit 0: 0, OpenPage enabled
169# bit 31-1: 0, required
170
171DATA 0xFFD01418 0x00000000 # DDR Operation
172# bit 3-0: 0, DDR cmd
173# bit 31-4: 0, required
174
175DATA 0xFFD0141C 0x00000652 # DDR Mode
176# bit 2-0: 2, Burst Length = 4
177# bit 3: 0, Burst Type
178# bit 6-4: 5, CAS Latency = 5
179# bit 7: 0, Test mode
180# bit 8: 0, DLL Reset
181# bit 11-9: 3, Write recovery for auto-precharge must be 3
182# bit 12: 0, Active power down exit time, fast exit
183# bit 14-13: 0, reserved
184# bit 31-15: 0, reserved
185
186DATA 0xFFD01420 0x00000006 # DDR Extended Mode
187# bit 0: 0, DDR DLL enabled
188# bit 1: 1, DDR drive strength reduced
189# bit 2: 1, DDR ODT control lsb, 75 ohm termination [RTT0]
190# bit 5-3: 0, required
191# bit 6: 0, DDR ODT control msb, 75 ohm termination [RTT1]
192# bit 9-7: 0, required
193# bit 10: 0, differential DQS enabled
194# bit 11: 0, required
195# bit 12: 0, DDR output buffer enabled
196# bit 31-13: 0 required
197
198DATA 0xFFD01424 0x0000F17F # DDR Controller Control High
199# bit 2-0: 7, required
200# bit 3: 1, MBUS Burst Chop disabled
201# bit 6-4: 7, required
202# bit 7: 0, reserved
203# bit 8: 1, add sample stage required for f > 266 MHz
204# bit 9: 0, no half clock cycle addition to dataout
205# bit 10: 0, 1/4 clock cycle skew enabled for addr/ctl signals
206# bit 11: 0, 1/4 clock cycle skew disabled for write mesh
207# bit 15-12:0xf, required
208# bit 31-16: 0, required
209
210DATA 0xFFD01428 0x00084520 # DDR2 SDRAM Timing Low
211# bit 3-0: 0, required
212# bit 7-4: 2, M_ODT assertion 2 cycles after read start command
213# bit 11-8: 5, M_ODT de-assertion 5 cycles after read start command
214# (ODT turn off delay 2,5 clk cycles)
215# bit 15-12: 4, internal ODT time based on bit 7-4
216# with the considered SDRAM internal delay
217# bit 19-16: 8, internal ODT de-assertion based on bit 11-8
218# with the considered SDRAM internal delay
219# bit 31-20: 0, required
220
221DATA 0xFFD0147c 0x00008452 # DDR2 SDRAM Timing High
222# bit 3-0: 2, M_ODT assertion same as bit 11-8
223# bit 7-4: 5, M_ODT de-assertion same as bit 15-12
224# bit 11-8: 4, internal ODT assertion 2 cycles after write start command
225# with the considered SDRAM internal delay
226# bit 15-12: 8, internal ODT de-assertion 5 cycles after write start command
227# with the considered SDRAM internal delay
228
229DATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0
230# bit 23-0: 0, reserved
231# bit 31-24: 0, CPU CS Window0 Base Address, addr bits [31:24]
232
233DATA 0xFFD01504 0x0FFFFFF1 # CS[0]n Size
234# bit 0: 1, Window enabled
235# bit 1: 0, Write Protect disabled
236# bit 3-2: 0, CS0 hit selected
237# bit 23-4:ones, required
238# bit 31-24: 0x0F, Size (i.e. 256MB)
239
240DATA 0xFFD0150C 0x00000000 # CS[1]n Size, window disabled
241DATA 0xFFD01514 0x00000000 # CS[2]n Size, window disabled
242DATA 0xFFD0151C 0x00000000 # CS[3]n Size, window disabled
243
244DATA 0xFFD01494 0x00010000 # DDR ODT Control (Low)
245# bit 3-0: 0, ODT0Rd, MODT[0] not asserted during read from DRAM CS0
246# bit 7-4: 0, ODT0Rd, MODT[1] not asserted
247# bit 11-8: 0, required
248# big 15-11: 0, required
249# bit 19-16: 1, ODT0Wr, MODT[0] asserted during write to DRAM CS0
250# bit 23-20: 0, ODT0Wr, MODT[1] not asserted
251# bit 27-24: 0, required
252# bit 31-28: 0, required
253
254DATA 0xFFD01498 0x00000000 # DDR ODT Control (High)
255# bit 1-0: 0, ODT0 controlled by ODT Control (low) register above
256# bit 3-2: 0, ODT1 controlled by register
257# bit 31-4: 0, required
258
259DATA 0xFFD0149C 0x0000E801 # CPU ODT Control
260# bit 3-0: 1, ODTRd, Internal ODT asserted during read from DRAM bank0
261# bit 7-4: 0, ODTWr, Internal ODT not asserted during write to DRAM
262# bit 9-8: 0, ODTEn, controlled by ODTRd and ODTWr
263# bit 11-10: 2, DQ_ODTSel. ODT select turned on, 75 ohm
264# bit 13-12: 2, STARTBURST ODT buffer selected, 75 ohm
265# bit 14: 1, STARTBURST ODT enabled
266# bit 15: 1, Use ODT Block
267
268DATA 0xFFD01480 0x00000001 # DDR Initialization Control
269# bit 0: 1, enable DDR init upon this register write
270# bit 31-1: 0, reserved
271
272# End of Header extension
273DATA 0x0 0x0