1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
/*
* (C) Copyright 2009
* Stefano Babic DENX Software Engineering sbabic@denx.de.
*
* (C) Copyright 2010
* Klaus Steinhammer TTECH Control Gmbh kst@tttech.com
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not write to the Free Software
* Foundation Inc. 51 Franklin Street Fifth Floor Boston,
* MA 02110-1301 USA
*
* Refer docs/README.imxmage for more details about how-to configure
* and create imximage boot image
*
* The syntax is taken as close as possible with the kwbimage
*/
/*
* Boot Device : one of
* spi, nand, onenand, sd
*/
BOOT_FROM spi
/*
* Device Configuration Data (DCD)
*
* Each entry must have the format:
* Addr-type Address Value
*
* where:
* Addr-type register length (1,2 or 4 bytes)
* Address absolute address of the register
* value value to be stored in the register
*/
/*
* #######################
* ### Disable WDOG ###
* #######################
*/
DATA 2 0x73f98000 0x30
/*
* #######################
* ### SET DDR Clk ###
* #######################
*/
/* CCM: CBMCR - ddr_clk_sel: axi_b (133MHz) */
DATA 4 0x73FD4018 0x000024C0
/* DOUBLE SPI CLK (13MHz->26 MHz Clock) */
DATA 4 0x73FD4038 0x2010241
/* IOMUXC_SW_PAD_CTL_PAD_CSPI1_MOSI HYS_ENABLE | DRV_MAX | SRE_FAST */
DATA 4 0x73fa8600 0x00000107
/* IOMUXC_SW_PAD_CTL_PAD_CSPI1_MISO HYS_ENABLE | DRV_MAX | SRE_FAST */
DATA 4 0x73fa8604 0x00000107
/* IOMUXC_SW_PAD_CTL_PAD_CSPI1_SS0 HYS_ENABLE | PKE_ENABLE | DRV_MAX | SRE_FAST */
DATA 4 0x73fa8608 0x00000187
/* IOMUXC_SW_PAD_CTL_PAD_CSPI1_SS1 HYS_ENABLE | PKE_ENABLE | DRV_MAX | SRE_FAST */
DATA 4 0x73fa860c 0x00000187
/* IOMUXC_SW_PAD_CTL_PAD_CSPI1_SCLK HYS_ENABLE | DRV_MAX | SRE_FAST */
DATA 4 0x73fa8614 0x00000107
/* IOMUXC_SW_PAD_CTL_PAD_DI1_PIN11 HYS_ENABLE | DRV_MAX | SRE_FAST (CSPI1_SS2) */
DATA 4 0x73fa86a8 0x00000187
/*
* #######################
* ### Settings IOMUXC ###
* #######################
*/
/*
* DDR IOMUX configuration
* Control, Data, Address pads are in their default state: HIGH DS, FAST SR.
* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDCLK MAX DS
*/
DATA 4 0x73fa84b8 0x000000e7
/* PVTC MAX (at GPC, PGR reg) */
/* DATA 4 0x73FD8004 0x1fc00000 */
/* DQM0 DS high slew rate slow */
DATA 4 0x73fa84d4 0x000000e4
/* DQM1 DS high slew rate slow */
DATA 4 0x73fa84d8 0x000000e4
/* DQM2 DS high slew rate slow */
DATA 4 0x73fa84dc 0x000000e4
/* DQM3 DS high slew rate slow */
DATA 4 0x73fa84e0 0x000000e4
/* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS0 DS high & SLEW slow */
DATA 4 0x73fa84bc 0x000000c4
/* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS1 DS high & SLEW slow */
DATA 4 0x73fa84c0 0x000000c4
/* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS2 DS high & SLEW slow */
DATA 4 0x73fa84c4 0x000000c4
/* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS3 DS high & SLEW slow */
DATA 4 0x73fa84c8 0x000000c4
/* DRAM_DATA B0 */
DATA 4 0x73fa88a4 0x00000004
/* DRAM_DATA B1 */
DATA 4 0x73fa88ac 0x00000004
/* DRAM_DATA B2 */
DATA 4 0x73fa88b8 0x00000004
/* DRAM_DATA B3 */
DATA 4 0x73fa882c 0x00000004
/* DRAM_DATA B0 slew rate */
DATA 4 0x73fa8878 0x00000000
/* DRAM_DATA B1 slew rate */
DATA 4 0x73fa8880 0x00000000
/* DRAM_DATA B2 slew rate */
DATA 4 0x73fa888c 0x00000000
/* DRAM_DATA B3 slew rate */
DATA 4 0x73fa889c 0x00000000
/*
* #######################
* ### Configure SDRAM ###
* #######################
*/
/* Configure CS0 */
/* ####################### */
/* ESDCTL0: Enable controller */
DATA 4 0x83fd9000 0x83220000
/* Init DRAM on CS0 /
/* ESDSCR: Precharge command */
DATA 4 0x83fd9014 0x04008008
/* ESDSCR: Refresh command */
DATA 4 0x83fd9014 0x00008010
/* ESDSCR: Refresh command */
DATA 4 0x83fd9014 0x00008010
/* ESDSCR: LMR with CAS=3 and BL=3 (Burst Length = 8) */
DATA 4 0x83fd9014 0x00338018
/* ESDSCR: EMR with half Drive strength (= medium strength @ i.MX51) */
DATA 4 0x83fd9014 0x0020801a
/* ESDSCR */
DATA 4 0x83fd9014 0x00008000
/* ESDSCR: EMR with full Drive strength */
/* DATA 4 0x83fd9014 0x0000801a */
/* ESDCTL0: 14 ROW, 10 COL, 32Bit, SREF=8 */
DATA 4 0x83fd9000 0xC3220000
/*
* ESDCFG0: tRFC:22clks, tXSR:28clks, tXP:2clks, tWTR:2clk, tRP:3clks, tMRD:2clks
* tRAS:8clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:11clks
* DATA 4 0x83fd9004 0xC33574AA
*/
/*
* micron mDDR
* ESDCFG0: tRFC:11clks, tXSR:19clks, tXP:1clks, tWTR:2clk, tRP:3clks, tMRD:2clks
* tRAS:7clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:9clks
* DATA 4 0x83FD9004 0x101564a8
*/
/*
* hynix mDDR
* ESDCFG0: tRFC:17clks, tXSR:21clks, tXP:3clks, tWTR:1clk, tRP:3clks, tMRD:2clks
* tRAS:7clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:9clks
*/
DATA 4 0x83FD9004 0x704564a8
/* ESDMISC: AP=10, Bank interleaving on, MIF3 en, RALAT=2 */
DATA 4 0x83fd9010 0x000a1700
/* Configure CS1 */
/* ####################### */
/* ESDCTL1: Enable controller */
DATA 4 0x83fd9008 0x83220000
/* Init DRAM on CS1 */
/* ESDSCR: Precharge command */
DATA 4 0x83fd9014 0x0400800c
/* ESDSCR: Refresh command */
DATA 4 0x83fd9014 0x00008014
/* ESDSCR: Refresh command */
DATA 4 0x83fd9014 0x00008014
/* ESDSCR: LMR with CAS=3 and BL=3 (Burst Length = 8) */
DATA 4 0x83fd9014 0x0033801c
/* ESDSCR: EMR with half Drive strength (= medium strength @ i.MX51) */
DATA 4 0x83fd9014 0x0020801e
/* ESDSCR */
DATA 4 0x83fd9014 0x00008004
/* ESDCTL1: 14 ROW, 10 COL, 32Bit, SREF=8 */
DATA 4 0x83fd9008 0xC3220000
/*
* ESDCFG1: tRFC:22clks, tXSR:28clks, tXP:2clks, tWTR:2clk, tRP:3clks, tMRD:2clks
* tRAS:8clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:11clks
* DATA 4 0x83fd900c 0xC33574AA
*/
/*
* micron mDDR
* ESDCFG1: tRFC:11clks, tXSR:19clks, tXP:1clks, tWTR:2clk, tRP:3clks, tMRD:2clks
* tRAS:7clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:9clks
* DATA 4 0x83FD900C 0x101564a8
*/
/*
* hynix mDDR
* ESDCFG0: tRFC:17clks, tXSR:21clks, tXP:3clks, tWTR:1clk, tRP:3clks, tMRD:2clks
* tRAS:7clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:9clks
*/
DATA 4 0x83FD900C 0x704564a8
/* ESDSCR (mDRAM configuration finished) */
DATA 4 0x83FD9014 0x00000004
/* ESDSCR - clear "configuration request" bit */
DATA 4 0x83fd9014 0x00000000
|
