Artesyn COMX-P40x0 ENP2 User manual

COMX-P40x0 ENP2
Installation and Use
P/N: 6806800R95B
August 2014

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About this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
1.2 Standard Compliances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
1.3 Mechanical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
1.3.1 COMX-P4080 ENP2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
1.3.2 COMX-P4040 ENP2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
1.4 Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
1.5 Product Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
1.5.1 COMX-P4080 ENP2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
1.5.2 COMX-P4040 ENP2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2 Hardware Preparation and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2.1 Environmental and Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2.1.1 Environmental Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2.2 Unpacking and Inspecting the Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
2.3 Installing and Removing the Module on the Carrier Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3 Controls, LEDs, and Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
3.1 Connectors and Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
3.1.1 On-Board Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
3.1.2 ON-BOARD LEDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
3.1.3 COMX AB-CD Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
4 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
4.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
4.2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
4.3 Processor Core and Cache Memory Complex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
4.4 Integrated Memory Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
4.5 Local Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
4.5.1 Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
4.5.2 NOR FLASH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
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4.5.3 NAND FLASH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
4.6 SERDES Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
4.7 Thermal Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
4.8 Main Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
4.8.1 Memory Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
4.8.2 Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
4.9 GPIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
4.10 SDHC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
4.11 SPI Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
4.12 LAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
4.12.1 MDIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
4.13 PHY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
4.14 UART Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
4.15 Real Time Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
4.16 Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
4.17 USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
4.18 I2C Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
4.18.1 I2C Device Thermal Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
4.18.2 I2C Device EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
4.18.3 I2C Device WDT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
4.18.4 I2C Device RTC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
4.18.5 I2C Device Clock Generators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
5 Clock Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
5.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
6 Power Domains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
6.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
6.2 Power Controlling Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
7 BSP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
7.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
7.2 Setup Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

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7.3 Basic Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
7.4 BSP Build Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
7.4.1 Install Build Tools of SDK1.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
7.5 BSP Source Code Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
7.5.1 De-Compose Source Code Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
7.6 Basic Environment Variable Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
7.6.1 Setup Build Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
7.6.2 Network Variables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
7.6.3 Filename Variables for BSP Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
7.6.4 Address Variables for BSP Components on NOR Flash. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
7.6.5 Address Variables for the Boot Components in RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
7.6.6 Device Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
7.6.7 HWCONFIG Variable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
7.6.8 Bootargs Variable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
7.6.9 Bootup Variables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
7.7 Checking the BSP Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
7.8 CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
7.9 Address Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
7.10 DDR3 SDRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
7.11 GPIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
7.12 UART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
7.13 NOR Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
7.14 NAND Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
7.15 I2C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
7.15.1 ID EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
7.15.2 Board EEPROM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
7.15.3 Real Time Clock (RTC) and Watchdog Timer (WDT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
7.15.4 DTT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
7.16 SPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
7.17 MMC/SDHC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
7.18 USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
7.19 SerDes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
7.20 Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
7.21 Build BSP Images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
7.21.1 Build U-Boot. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
7.21.2 Build Linux Kernel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

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7.21.3 Build ROOTFS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
7.21.4 Build Misc Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
7.22 Deploy BSP Images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
7.22.1 Pre-Deployment Steps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
7.22.2 Deploying BSP Images on NOR FLASH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
7.23 Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
7.23.1 RAMboot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
7.23.2 NORboot. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
7.23.3 NANDboot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
7.23.4 NFSboot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
7.23.5 USBFATboot and USBEXT2boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
7.23.6 MMCFATboot and MMCEXT2boot. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
A Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
A.1 Artesyn Embedded Technologies - Embedded Computing Documentation . . . . . . . . . . . . . . . 125
Safety Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

List of Tables
COMX-P40x0 ENP2 Installation and Use (6806800R95B) 7
Table 1-1 Standard Compliances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 1-2 COMX-P4080 ENP2 PCB Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Table 1-3 COMX-P4040 ENP2 PCB Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Table 1-4 Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Table 2-1 Environmental Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 2-2 Critical Temperature Spots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Table 2-3 Current Drawn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 2-4 COMX-P4080-4G-E-ENP2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 3-1 P4080 COP Header Pin-out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Table 3-2 P4040 COP Header Pin-out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Table 3-3 Module LED Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Table 3-4 COMX AB-CD Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Table 4-1 NOR FLASH Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Table 4-2 NAND FLASH Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Table 4-3 Options of the SERDES routed to COM Express Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Table 4-4 Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Table 4-5 GPIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Table 4-6 GPIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Table 4-7 SD or Micro SD card on the Carrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Table 4-8 I2C Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Table 5-1 Configuration of the frequency of SERDES reference clock by carrier . . . . . . . . . . . . . . . . . . 79
Table 5-2 Configuration of the frequency of SERDES reference clock by GPIO . . . . . . . . . . . . . . . . . . . 80
Table 7-1 Basic U-Boot Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Table 7-2 BSP Source Code Package Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Table 7-3 COMX-P4080 Address Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Table 7-4 GPIO States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Table 7-5 GPIO Command Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Table 7-6 NOR Flash Command Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Table 7-7 NAND Flash Command Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Table 7-8 U-Boot I2C Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Table 7-9 Network Ports Naming Rules in U-Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Table 7-10 Valid Network Ports Combination of SerDes/RCW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Table 7-11 UDEV Rules for Network Ports in Linux . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Table A-1 Artesyn Embedded Technologies - Embedded Computing Publications . . . . . . . . . . . . . . 125

COMX-P40x0 ENP2 Installation and Use (6806800R95B)
8
List of Tables

List of Figures
COMX-P40x0 ENP2 Installation and Use (6806800R95B) 9
Figure 1-1 Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 1-2 COMX-P40X0-ENP2 Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 1-3 COMX-P40X0-ENP2 Bottom View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 1-4 COMX-P4080 ENP2 Mechanical Dimensions (Top and side views) . . . . . . . . . . . . . 21
Figure 1-5 COMX-P4040 ENP2 Mechanical Dimensions (Top and side views) . . . . . . . . . . . . . 23
Figure 1-6 COMX-P4080 ENP2 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 1-7 COMX-P4040 ENP2 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 2-1 Mounting Module on Carrier Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 2-2 Heat-sink installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 4-1 COMX-P40x0 ENP2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Figure 4-2 Distribution of Local Bus on P40x0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Figure 4-3 Distribution of SERDES Lanes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Figure 4-4 Module Thermal Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Figure 4-5 Memory Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Figure 4-6 Distribution of GPIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Figure 4-7 MDIO Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Figure 4-8 Distribution of I2C buses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Figure 5-1 Clock Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Figure 6-1 Power Tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Figure 6-2 Power Sequence of COMX-P40x0 ENP2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Figure 7-1 COMX-P4080 CPU Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Figure 7-2 Example of Boot Up Message in U-Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

COMX-P40x0 ENP2 Installation and Use (6806800R95B)
10
List of Figures

COMX-P40x0 ENP2 Installation and Use (6806800R95B) 11
About this Manual
Overview of Contents
This manual is divided into the following chapters and appendices.
Introduction provides an overview of the module's features.
Hardware Preparation and Installation provides instructions for installing and removing the
module.
Controls, LEDs, and Connectors provides pin assignments for the various connectors on the
module.
Functional Description describes the functions of the various components on the module.
Clock Structure describes the clock distribution and the setup utility used to configure the
module.
Power Domains describes the power supply system for the module.
BSP describes how to build the Basic Support Package (BSP) and deploy the built images on
the module.
Related Documentation provides a list of related product documentation, manufacturer’s
documents, and industry standard specifications.
Safety Notes summarizes the safety instructions in the manual.
Abbreviations
This document uses the following abbreviations:
TERM MEANING
AAmps
ACPI Advanced Configuration Power Interface - software standard to
implement power saving modes in PC-AT systems
EEPROM Electrically Erasable Programmable Read-Only Memory
GPI General Purpose Input
GPIO General Purpose Input Output
GPO General Purpose Output

COMX-P40x0 ENP2 Installation and Use (6806800R95B)
About this Manual
12
About this Manual
I2C Inter Integrated Circuit - 2 wire (clock and data) signaling scheme
allowing communication between integrated circuits, primarily used
to read and load registers values.
IDE Integrated Device Electronics - parallel interface for hard disk drives -
also known as PATA
LPC Low Pin-Count Interface: a low speed interface used for peripheral
circuits such as Super I/O controllers, which typically combine
legacy-device support into a single IC.
LVDS Low Voltage Differential Signaling - widely used as a physical
interface for TFT flat panels. LVDS can be used for many high-speed
signaling applications. In this document, it refers only to TFT flat-
panel applications.
PCI Peripheral Component Interface
PCI-E Peripheral Component Interface Express - next-generation high
speed Serialized I/O bus
PHY Ethernet controller physical layer device
Pin-out Type A reference to one of five COM ExpressTM definitions for what signals
appear on the COM ExpressTM module connector pins.
SPD Serial Presence Detect - refers to serial EEPROM on DRAMs that has
DRAM module configuration information
S0, S1, S2, S3, S4, S5 System states describing the power and activity level
S0 Full power, all devices powered S1 S2
S3 Suspend to RAM System context stored in RAM; RAM is in standby
S4 Suspend to Disk System context stored on disk
S5 Soft Off Main power rail off, only standby power rail present
SATA Serial AT Attachment: serial-interface standard for hard disks
SBC Single Board Computer
Super I/O An integrated circuit typically interfaced via the LPC bus that
provides legacy PC I/O functions including PS2 keyboard and mouse
ports, serial and parallel port(s) and a floppy interface.
USB Universal Serial Bus
VGA Video Graphics Adapter
WDT Watch Dog Timer.
TERM MEANING

About this Manual
COMX-P40x0 ENP2 Installation and Use (6806800R95B) 13
Conventions
The following table describes the conventions used throughout this manual.
Notation Description
0x00000000 Typical notation for hexadecimal numbers (digits are
0 through F), for example used for addresses and
offsets
0b0000 Same for binary numbers (digits are 0 and 1)
bold Used to emphasize a word
Screen Used for on-screen output and code related elements
or commands in body text
Courier + Bold Used to characterize user input and to separate it
from system output
Reference Used for references and for table and figure
descriptions
File > Exit Notation for selecting a submenu
<text> Notation for variables and keys
[text] Notation for software buttons to click on the screen
and parameter description
... Repeated item for example node 1, node 2, ..., node
12
.
.
.
Omission of information from example/command
that is not necessary at the time being
.. Ranges, for example: 0..4 means one of the integers
0,1,2,3, and 4 (used in registers)
| Logical OR

COMX-P40x0 ENP2 Installation and Use (6806800R95B)
About this Manual
14
About this Manual
Summary of Changes
This manual has been revised and replaces all prior editions.
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury
Indicates a hazardous situation which, if not avoided,
may result in minor or moderate injury
Indicates a property damage message
No danger encountered. Pay attention to important
information
Notation Description
Part Number Publication Date Description
6806800R95A August, 2013 Initial version
6806800R95B August, 2014 Re-branded to Artesyn

Chapter 1
COMX-P40x0 ENP2 Installation and Use (6806800R95B) 15
Introduction
1.1 Overview
The COMX-P40x0 ENP2 is a COM Express module based on the Freescale Power PC P4040 and
P4080 platforms. This board provides some of the universal interfaces such as Gigabit
Ethernet, USB, PCIE, and so on.
Following are the features of the COMX-P40x0 ENP2:
Form Factor: Basic (95mm x 125mm)
P4040 or P4080 CPU supported
Boot Options:
– 16 bit NOR FLASH from local bus (standard product default)
– NAND FLASH from local bus
– I2C EEPROM
Note: Selectable via carrier
Demo, runtime Linux Operating System and filesystem(s), pre-installed in NOR/NAND
Flash.
Dual channel on-board DDR3 with ECC. COMX-P40x0-2G boards have 1GB per channel for
a total of 2GB. COMX-P40x0-4G boards have 2GB per channel for a total of 4GB.
– Designed to support up to 8GB of DDR3
16 lanes of SERDES routed to COME connectors, which can be configured as PCIE, XAUI,
SRIO, SGMII
4 UARTs (2-wire interfaces)
0/1/2 GE ports (option available to use this port as USB)
5/4/0 USB ports
IEEE 1588 support signals to the COME connectors
Total 3 I2C buses
1 SPI bus with 3 chip select signals
Secure Digital Host Controller interface to the COME connector for MultiMediaCard
(MMC) and Secure Digital card (SD) support.

Introduction
COMX-P40x0 ENP2 Installation and Use (6806800R95B)
16
Tamper detect pin to the COME connectors
On-board RTC and WDT device
Provide both remote and local thermal sensor
JTAG connector on module
Aurora testing points on module
12V power supplied to module through COME connectors
5V standby power from COME connector not required/used by module
1.2 Standard Compliances
The product is designed to meet the following standards.
Due to P4080 errata GEN-A009, Aurora ports are disabled by default in RCW and must be
re-enabled for debug. For assistance, contact Artesyn representative.
Table 1-1 Standard Compliances
Standard Description
UL60950-1 EN 60950-1 IEC
60950-1 CAN/CSA C22.2 No
60950-1
Safety Requirements
UL/CSA 60950-1
EN 60950-1
IEC 60950-1 CB Scheme
Legal safety requirements
FCC 47 CFR Part 15 Subpart B
(US), Class A
EN55022 Class A (EU)
AS/NZS CISPR 22 Class A
(Australia/New Zealand)
VCCI Class A (Japan)
EMC requirements (legal) on system level
(predefined Artesyn system)

Introduction
COMX-P40x0 ENP2 Installation and Use (6806800R95B) 17
CISPR 22 CISPR 24 EN55022 EN
55024
EMC Requirements on system level
ETSI EN 300 019 Series Environmental Requirement
Directive 2011/65/EU Directive on the restriction of the use of certain
hazardous substances in electrical and electronic
equipment (ROHS)
Table 1-1 Standard Compliances (continued)
Standard Description

Introduction
COMX-P40x0 ENP2 Installation and Use (6806800R95B)
18
The following figure contains the declaration of conformity for COMX-P40x0.
Figure 1-1 Declaration of Conformity
___________________________________________________ ___ 07/30/2014 ______
Tom Tuttle, Manager, Product Testing Services Date (MM/DD/YYYY)
E C Declaration of Conformity
According to EN 17050-1:2004
Manufacturer’s Name: Artesyn Embedded Technologies
Embedded Computing
Manufacturer’s Address:
Zhongshan General Carton Box Factory Co. Ltd. No 62, Qi
Guan Road West, Shiqi District, 528400 Zhongshan City
Guangdong, PRC
Declares that the following product, in accordance with the requirements of 2004/108/EC, 2006/95/EC,
2011/65/EU and their amending directives,
Product: COMX-P40x0-ENP2—Express Form Factor Processor Pluggable Mez-
zanine Module For Extended Temperature and rugged Environments
Model Name/Number: COMX-P40x0-ENP2, SCP-P4040-4G-ENP2, COMX-P4040-4G-ENP2,
COMX-P4080-2G-ENP2, COMX-P4080-4G-E-ENP2
has been designed and manufactured to the following specifications:
EN55022: 2010 Class B
EN55024: 2010
IEC 60950-1: 2005 (2nd Edition) + A1: 2009
2011/65/EU RoHS Directive
As manufacturer we hereby declare that the product named above has been designed to comply with the rele-
vant sections of the above referenced specifications. This product complies with the essential health and safety
requirements of the above specified directives. We have an internal production control system that ensures
compliance between the manufactured products and the technical documentation.

Introduction
COMX-P40x0 ENP2 Installation and Use (6806800R95B) 19
1.3 Mechanical Data
This section provides mechanical details of COMX-P4080-ENP2 and COMX-P4040-ENP2
boards.
Figure 1-2 COMX-P40X0-ENP2 Top View
D6:1.8V power ok
D3:system asleep
D4:3.3V power ok
D5:2.5V power ok
D9:Platform Power OK
D13:CORE power ok
Debug led D18
Debug led D19
D15:USB hub Active
D16:USB hub High Speed
D7:DDR3 power ok
D10:1.5V power ok
Thermal issue D17
Pin 1
COP header

Introduction
COMX-P40x0 ENP2 Installation and Use (6806800R95B)
20
Figure 1-3 COMX-P40X0-ENP2 Bottom View
PIN B1
PIN A1
PIN B1
PIN A1
COME: CD: J3
COME: AB: J2