Emerson MVME6100 PCI Arbitration Assignments for MV64360 Asic, MPP Pin Assignment PCI Masters

Page 47

Programming Details

2	PCI Arbitration Assignments for MV64360 ASIC
2
	PCI arbitration is performed by the MV64360 ASIC. The MV64360

	integrates two PCI arbiters, one for each PCI interface (PCI Bus 0/1). Each
	arbiter can handle up to six external agents plus one internal agent (PCI
	Bus 0/1 master). The internal PCI arbiter REQ#/GNT# signals are
	multiplexed on the MV64360 MPP pins. The internal PCI arbiter is
	disabled by default (the MPP pins function as general purpose inputs).
	Software will configure the MPP pins to function as request/grant pairs for
	the internal PCI arbiter.
	The arbitration assignments on MVME6100 are as follows:

Table 2-7. PCI Arbitration Assignments for MV64360

ASIC

MPP Pin
Assignment	PCI Master(s)

30, 31	PCI6520 (PMCspan bridge) GNT (MPP30), REQ (MPP 31)

28, 29	Tsi148 ASIC (VMEbus) GNT (MPP 28), REQ (MPP 29)

12, 13	PMC Slot 0 GNT, REQ

14, 15	PMC Slot 1 GNT, REQ

8, 9	PMC Slot 0 Secondary PCI Agent / IPMC761 GNT, REQ

10, 11	PMC Slot 1 Secondary PCI Agent GNT, REQ

PCI Bus 1 Local Bus PMC Expansion Slots

Two PMC slots reside on the PCI Bus 1 local bus. The presence of PMCs can be positively determined by reading System Status Register 3. The INTA#, INTB#, INTC#, and INTD# from the PMC slots are routed by the MVME6100 as follows:

2-14	Computer Group Literature Center Web Site

Image 47

Contents MVME6100 Single-Board Computer Programmer’s Reference GuidePage Ground the Instrument Safety SummaryEMI Caution Lithium Battery CautionFlammability CE Notice European Community Limited and Restricted Rights Legend Contents Appendix a List of Figures List of Tables Model Number Description About This GuideComments and Suggestions Overview of ContentsBold Conventions Used in This ManualOverview IntroductionNvram MVME6100 Features SummaryFeature Description PCI/PMC MVME6100 Board Layout Diagram Processor Address Start End Size Definition Default Processor Memory MapDefault Processor Address Map Memory MapsF100 Ffff 29FF Ffff41FF Ffff F0FF FfffMOTLoad’s Processor Address Map MOTLoad’s Processor Memory MapPCI Address Start End Size Definition Default PCI Memory MapDefault PCI Address Map MOTLoad’s PCI Memory Maps MOTLoad’s PCI Memory MapsVME Memory Map System I/O Memory MapCOM 1 Uart Device Bank 1 I/O Memory MapAddress Definition M48T37V NVRAM/RTCBanksel System Status RegisterSystem Status Register RefclkSrominit AbortlFlashbsyl FusestatSystem Status Register 2- 0xF1100001 BdfailEepromwp FlashawpFbawphdr FbootbwpFbootbwphdr TstatmaskSystem Status Register 3- 0xF1100002 BoardresetReset Board Rsvd EREADY1 Presence Detect Register10. Presence Detect Register IpmcprsntPMC0PL Configuration Header/Switch Register S111. Configuration Header/Switch Register Pcieprsntl3 4 5 6 7 TBEN0 Time Base Enable RegisterQuad Universal Asynchronous Receiver/Transmitter Uart 12. Tben RegisterAddress Offset Function 0xF1110000 13. M48T37V AccessReal-Time Clock and Nvram Programming Details MV64360 Multi-Purpose Port ConfigurationMPP Pin Input Number Output Function MV64360 MPP Pin Function AssignmentsMV64360 Reset Configuration Srom MV64360 Power-Up Configuration SettingsMV64360 Power-Up Configuration Settings PCI1 DLL DramBADR0 PCI0 DLLMII/GMII GMII/PCS Dram PLL N TBDReal-Time Clock and Nvram Flash MemoryM48T37V Access Two-Wire Serial InterfaceDevice Function Size A2A1A0 Address DDR Dram Serial Presence DetectI2C Bus Device Addressing Device AddressMV64360 Device Controller Bank Assignments VPD and User Configuration EEPROMsTemperature Sensor MV64360 InitializationDevice Bank Assignments MPC Bus and PCI Bus ArbitrationPCI Bus 0 and PCI Bus 1 Local Buses PCI Mode/Frequency SelectionIdsel AD20 PCI Configuration SpaceIdsel Mapping for PCI Devices MPP Pin Assignment PCI Masters PCI Arbitration Assignments for MV64360 AsicPCI Bus 1 Local Bus PMC Expansion Slots PCI Arbitration Assignments for MV64360PCI Bus 1 Local Bus PMC Expansion Slots PCI Bus 0 Local Bus DevicesGroup MV64360 Edge/Level Polarity Interrupt Source MV64360 Interrupt ControllerMV64360 Interrupt Assignments PCI-PMC 0 INTD#, PMC INTB# PCI-PMC 0 INTC#, PMC INTA#DS1621 Digital Thermometer and Thermostat provides MV64360 Endian IssuesDocument Title Motorola Publication Number Motorola Computer Group DocumentsTable A-1. Motorola Computer Group Documents MPC7457EC/D Manufacturers’ DocumentsTable A-2. Manufacturers’ Documents Document Title and Source Publication NumberManufacturers’ Documents Table A-2. Manufacturers’ Documents Table A-3. Related Specifications Related SpecificationsIndex