Cyrus Plus Technical Reference Manual 1.1.1 2/36
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CYRUS PLUS MOTHERBOARD TECHNICAL REFERENCE MANUAL VERSION 1.1.1 AMIGAONE X5000 Issue Author Approved Date 1 James Felix Marcin Jankowski 16/05/2014 1.1 James Felix Marcin Jankowski 10/06/2014 1.1.1 Lyle Hazlewood R.T.Dickinson 16/07/2014 1 CONTENTS 1 Contents ......................................................................................................................................................... 2 2 Introduction .................................................................................................................................................... 7 2.1 Technical Support ..................................................................................................................................... 7 2.2 Abbreviations ........................................................................................................................................... 7 3 Architecture .................................................................................................................................................... 8 3.1 CPU ........................................................................................................................................................... 8 3.1.1 P3041 .............................................................................................................................................. 8 3.1.2 P5020 .............................................................................................................................................. 9 3.1.3 P5040 .............................................................................................................................................. 9 3.2 Main Memory ........................................................................................................................................... 9 3.3 Ethernet Phy ............................................................................................................................................. 9 3.4 Xena .......................................................................................................................................................... 9 3.5 CPLD ......................................................................................................................................................... 9 3.6 Boot SD Card .......................................................................................................................................... 10 3.7 BIOS ........................................................................................................................................................ 10 4 CPU ............................................................................................................................................................... 11 4.1 SerDes Lanes .......................................................................................................................................... 11 4.2 UARTS ..................................................................................................................................................... 11 4.3 GPIOs ...................................................................................................................................................... 12 4.4 External Interrupts ................................................................................................................................. 12 4.5 I2C Controller .......................................................................................................................................... 12 4.6 Serial Terminal ........................................................................................................................................ 13 5 DDR3 DIMMs ................................................................................................................................................ 14 5.1 Size ......................................................................................................................................................... 14 5.2 Speed ...................................................................................................................................................... 14 5.3 Serial Presence Detect ............................................................................................................................ 14 6 XMOS Subsystem .......................................................................................................................................... 15 6.1 Block Diagram ......................................................................................................................................... 16 6.2 XENA Connetors ..................................................................................................................................... 17 16 July 2014 ©A-EON Technology Cyrus Plus Technical Reference Manual 1.1.1 2/36 6.3 XMOS Device Type and Clocking ............................................................................................................ 17 6.4 Bootstrapping and Debug ...................................................................................................................... 17 6.5 CPU COMMS ........................................................................................................................................... 18 6.6 Xorro Slot ................................................................................................................................................ 19 6.7 LEDs ........................................................................................................................................................ 19 6.8 Spare Port Line ....................................................................................................................................... 19 6.9 PCU ......................................................................................................................................................... 19 6.10 Haze Xorro Header ............................................................................................................................ 19 7 CPLD .............................................................................................................................................................. 20 7.1 CPU COMMS ........................................................................................................................................... 20 7.1.1 CPLD XMOS DEBUG Register......................................................................................................... 21 7.1.2 CPLD XMOS JTAG register ............................................................................................................. 21 7.1.3 CPLD PCIe register ......................................................................................................................... 21 7.1.4 CPLD Build Format ........................................................................................................................ 21 8 MCU .............................................................................................................................................................. 22 8.1 Supervisor Interface ............................................................................................................................... 22 8.1.1 Power Button ................................................................................................................................ 22 8.1.2 Shut Power Down ......................................................................................................................... 22 8.1.3 Temperatures Readings ................................................................................................................ 22 8.1.4 Voltages ........................................................................................................................................ 23 8.1.5 CPU Fan Speed .............................................................................................................................. 24 8.2 Debug Serial Terminal ............................................................................................................................ 24 9 Boot .............................................................................................................................................................. 26 9.1 Micro SD card ......................................................................................................................................... 26 9.2 U-Boot .................................................................................................................................................... 26 10 CONNECTOR, JUMPER AND LEDS ........................................................................................................... 27 10.1 Switches ............................................................................................................................................. 27 10.2 Jumpers ............................................................................................................................................. 27 10.3 LEDs ................................................................................................................................................... 28 10.4 PCIe and PCI Slots .............................................................................................................................