Mach Speed Technologies Eclipse Touch 2.8V Guía de usuario descargar pdf (Pagina 156)

Porting U-Boot from an i.MX53 Reference Board to an i.MX53 Custom Board

i.MX53 System Development User’s Guide, Rev. 1

11-6 Freescale Semiconductor

1 2 ... 151 152 153 154 155 156 157 158 159 160 161 ... 234 235

User’s Guide 1
Document Number: MX53UG 2
Rev. 1, 3/2011 2
How to Reach Us: 2
Contents 10
Freescale Semiconductor xi 11
Freescale Semiconductor xiii 13
Number Title 14
Freescale Semiconductor xiv 15
About This Guide 17
Organization 18
Essential Reference 19
Signal Conventions 20
Acronyms and Abbreviations 20
Hardware Design and Bring-up 25
I-2 Freescale Semiconductor 26
Chapter 1 27
Design Checklist 27
1.2 DDR Reference Circuit 34
1.3 Avoiding I 35
C Conflicts 35
1.4 JTAG Signal Termination 36
Chapter 2 37
2-2 Freescale Semiconductor 38
2.1.1 Fanout 39
2.2 Stackup 40
Freescale Semiconductor 2-5 41
2.5 Routing Topologies 43
2.5.1 1 Gbyte Topologies 44
2.5.2 2 Gbyte Topologies 45
2-10 Freescale Semiconductor 46
Freescale Semiconductor 2-11 47
2.5.3 DDR2 Routing Examples 48
Freescale Semiconductor 2-19 55
2.6 Power Recommendations 62
2.8 SATA Recommendations 63
2.9 LVDS Recommendations 63
2.10 Reference Resistors 64
Freescale Semiconductor 2-29 65
2-30 Freescale Semiconductor 66
Chapter 3 67
Understanding the IBIS Model 67
3.2 Header Information 68
3.4 Model Information 70
3-6 Freescale Semiconductor 72
3.5 Model Golden Waveforms 73
3.6.1 [Model Selector] ddr 74
3.6.2 [Model Selector] gpio 74
3.6.3 [Model Selector] lvio 75
3.6.4 [Model Selector] uhvio 75
3.8 References 77
3-12 Freescale Semiconductor 78
Chapter 4 79
Using the IOMUX Design Aid 79
4-2 Freescale Semiconductor 80
Freescale Semiconductor 4-3 81
4-4 Freescale Semiconductor 82
Freescale Semiconductor 4-5 83
4-6 Freescale Semiconductor 84
Freescale Semiconductor 4-7 85
4-8 Freescale Semiconductor 86
Freescale Semiconductor 4-9 87
4-10 Freescale Semiconductor 88
Freescale Semiconductor 4-11 89
4-12 Freescale Semiconductor 90
4.5 IOMUX Features Guide 91
4.5.2.1 File Menu 92
4.5.2.2 Device Menu 93
4.5.2.3 View Menu 93
4.5.2.4 Help Menu 94
4.5.5.1 Signals Tab 94
4.5.5.2 Ball Diagram Tab 95
4-18 Freescale Semiconductor 96
Chapter 5 97
Figure 5-1. Internal LDOs 98
VB UCKC OR E 99
Setting up Power Management 100
Figure 5-3. Power Connections 102
DA9053 103
Figure 5-3 and Figure 5-4 104
5.3.1 Using the I 105
C Interface 105
5.4 Interface Table 106
NVCC_EIM_DRAM 108
Freescale Semiconductor 5-13 109
LTC3589-1 110
Optional 110
Freescale Semiconductor 5-15 111
5-16 Freescale Semiconductor 112
5.6.1 DA9053 113
5-18 Freescale Semiconductor 114
5.6.2 LTC3589-1 116
9729 117
5-22 Freescale Semiconductor 118
Chapter 6 119
Processor 119
6-2 Freescale Semiconductor 120
6.2 i.MX53 Memory Interface 121
6.5.1 Main Control Register 128
6.5.2 Power Down Register 129
31 29 28 26 25 21 20 16 130
15 14 12 11 9 8 5 4 3 2 0 130
6-14 Freescale Semiconductor 132
Chapter 7 133
7.4 Avoiding Reset Pitfalls 134
Chapter 8 137
Freescale Semiconductor 8-3 139
8-4 Freescale Semiconductor 140
Chapter 9 141
9-2 Freescale Semiconductor 142
4. Save the configuration 143
9-4 Freescale Semiconductor 144
Software Development 145
II-2 Freescale Semiconductor 146
Chapter 10 147
10.2.2 DDR Test 148
10.2.9 SPI-NOR Test 150
Chapter 11 151
11-6 Freescale Semiconductor 156
Chapter 12 157
Porting the Android Kernel 157
12-2 Freescale Semiconductor 158
12.3 Initializing Android 160
Figure 12-3. Linux Kernel 161
12-6 Freescale Semiconductor 162
Chapter 13 163
13.2.1 Defining the Pads 164
13.2.3 Example—Setting a GPIO 165
13.3.2 Machine Layer File 167
13.3.3 Example—Setting a GPIO 167
• 0x294—MUX Control Offset 168
• 0—Select Input 168
Chapter 14 169
Registering a New UART Driver 169
14.3 Testing the UART 170
14.4 File Names and Locations 170
14-4 Freescale Semiconductor 172
Chapter 15 173
Table 15-2. ESDHC Pins 178
15.3.3 Interface Layouts 179
15-8 Freescale Semiconductor 180
Chapter 16 181
(MTD) Driver 181
.size = 0x000100000 182
Table 16-3. CSPI Parameters 183
16.5 Hardware Operation 184
16.6 Software Operation 185
16-6 Freescale Semiconductor 186
Chapter 17 187
17.2 Creating a Custom Keymap 188
17.4 Enabling the Keypad 189
17.5 Testing the Keypad 189
Chapter 18 191
Figure 18-2. Interface 194
Table 18-2. Timing Parameters 194
Parameters 198
Table 18-7. Sample Values 199
CLAA057VA01CT LCD 204
18-16 Freescale Semiconductor 206
Chapter 19 207
19.2.2 Programming Interface 208
19.3 LDB Ports 209
19.4 Further Reading 210
Chapter 20 211
20.5 Using the I 216
Package List > imx-test 219
Figure 20-3. Chessboard Test 219
20-10 Freescale Semiconductor 220
Freescale Semiconductor 20-11 221
20-14 Freescale Semiconductor 224
Chapter 21 225
21-4 Freescale Semiconductor 228
Chapter 22 229
22.2 Source Code 230
22.3 Ethernet Configuration 230
Chapter 23 231
Porting USB Host1 and USB OTG 231
23-2 Freescale Semiconductor 232
Appendix A 233
Revision History 233
A-4 Freescale Semiconductor 234
Freescale Semiconductor A-5 235

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