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Interphase Tech 4538 Example 4-5.FLASH Read and Write Routines (From PCI Side)

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Chapter 4: Accessing the 4538 on the PCI Side

Example 4-5. FLASH Read and Write Routines (From PCI Side)

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4538 Hardware Reference Manual

Contents

Page Page Copyright Notice Disclaimer Trademark Acknowledgments Assistance Product Purchased from Reseller Product Purchased Directly from Interphase Corporation END-USERLICENSE AGREEMENT FOR INTERPHASE CORPORATION SOFTWARE IMPORTANT NOTICE TO USER–READCAREFULLY Grant of License: Restrictions on Use: Limitation of Liability: Confidentiality: Termination: Export: U.S. Government Restricted Rights: Contents CHAPTER 2 4538 Power-UpInitialization CHAPTER 3 Programming the Peripherals CHAPTER 4 Accessing the 4538 on the PCI Side CHAPTER 5 Connectors and Front Panel APPENDIX A Mechanical Information List of Figures Page List of Tables Page List of Examples Page Using This Guide NOTE CAUTION WARNING Return WWWMethod FTP Method <directory Page 1Hardware Description 4538 Hardware Structure Figure 1-1.4538 Structure PowerQUICC II Resets System Clocks PCI Local Space Mapping Table 1-1.PCI Local Space Mapping Figure 1-2.Local Space Mapping Interrupts Table 1-2.Local Interrupts Table 1-3.PowerQUICC II Memory Controller Machine Usage Communication Processor Module (CPM) I/O Ports 7DEOHCPM Port A Usage 'LU 7DEOHCPM Port B Usage 7DEOHCPM Port C Usage Table 1-7.CPM Port D Usage Table 1-7.CPM Port D Usage (cont) CPM TDM Busses Table 1-8.CPM SI1 TDM Busses Wiring Table 1-9.CPM SI2 TDM Busses Wiring Bank of Clocks Table 1-10.CPM Bank of Clocks Usage Baud Rate Generator Table 1-11.CPM Baud Rate Usage Ethernet 10/100BaseT Table 1-12.Ethernet Signals on the CPM (cont) TTY Console Serial Port Table 1-13.Asynchronous Console Serial Port Wiring User-ProgrammableLEDs Figure 1-3.Board CPU_LEDs Table 1-14. User-ProgrammableLED Control Ports PowerSpan PCI Configuration Registers Table 1-15.PCI Configuration Registers Table 1-15.PCI Configuration Registers (cont) PowerSpan PCI Registers Table 1-16.PowerSpan PCI Registers Table 1-16.PowerSpan PCI Registers (cont) PowerSpan Processor Bus Registers Table 1-17.PowerSpan Processor Bus Registers PowerSpan DMA Registers Table 1-18.PowerSpan DMA Registers PowerSpan Miscellaneous Registers Table 1-19.PowerSpan Miscellaneous Registers PowerSpan I²O Registers Table 1-20.PowerSpan I²O Registers Interrupt Pins and Doorbell Usage Table 1-21.PowerSpan Interrupt Pin Usage PCI to Local Interrupt (ATN) Local to PCI Interrupt (–INTA) Hardware and Software Resets Through the PowerSpan Local Space Access From PCI Memory Space Page Figure 1-4.Local Space Access From PCI Memory Space Access to the FLASH EEPROM Through CompactPCI PCI Memory Space and I/O Space Access From the PowerQUICC Page Figure 1-5.PCI I/O or Memory Space Access from Local Space In-situEPLDs Programming Serial EEPROM Connected to the PowerSpan Table 1-22.Serial EEPROM Mapping Board Equipment Register Table 1-23.Board Equipment Register Layout Table 1-24.Hardware Configuration Register Field Descriptions Field Vital Product Data (VPD) Interphase-SpecificProduction Data and Boot Monitor Parameters Table 1-25.FLASH EEPROM Mapping Table 1-25.FLASH EEPROM Mapping (cont) FLASH Addr 1st MAP Table 1-26.GCM Register Programming (MCLK=12.500 MHz) Table 1-27.Transmit Pulse Shape Programming Table 1-28.QuadFALC Multifunction Port Usage Table 1-29.Ethernet LEDs General Direct Mode Switched Mode Pass Through Mode Figure 1-6.TDM Busses General Structure Figure 1-7.General Clock Structure (Framer 1 & 2) Figure 1-8.General Clock Structure (Framer 3 & 4) Multiplex Direct Mode Table 1-30.TDM and Synchronization Signals in Multiplex Direct Mode Figure 1-9.TDM Busses in Multiplex Direct Mode Figure 1-10.Clocks in Multiplex Direct Mode (Framer 1 & 2) Figure 1-11.Clocks in Multiplex Direct Mode (Framer 3 & 4) Independent Direct Mode Table 1-31.TDM and Synchronization Signals in Independent Direct Mode Table 1-31.TDM and Synchronization Signals in Independent Direct Mode (cont) Page Figure 1-12.TDM Busses in Independent Direct Mode Figure 1-13.Clocks in Independent Direct Mode (Framer 1 & 2) Figure 1-14.Clocks in Independent Direct Mode (Framer 3 & 4) Switched Mode PA(7) = SWMODE_N Table 1-32.TDM and Synchronization Signals in Switched Mode Figure 1-15.TDM Busses in Switched Mode Figure 1-16.Clocks in Switched Mode (Framer 1 & 2) Figure 1-17.Clocks in Switched Mode (Framer 3 & 4) Pass-ThroughMode PA(0) = COMCLK_N COMCLK_N = 0) TDMd1_TX and TDMa1_TX must be configured as open drain ports Table 1-33.TDM and Synchronization Signals in Pass Through Mode Table 1-33.TDM and Synchronization Signals in Pass Through Mode (cont) Unused TDM signals must be tristated Figure 1-18.TDM Busses in Pass-ThroughMode (1->2& 3->4Example) Figure 1-19.TDM Busses in Pass-ThroughMode (2->1& 4->3Example) Figure 1-20.Clocks in Pass-ThroughMode (Framer 1 & 2) Figure 1-21.Clocks in Pass-ThroughMode (Framer 3 & 4) Page 24538 Power-UpInitialization PowerSpan Register Initialization Through the I²C Serial EEPROM Table 2-1.PowerSpan Register Initialization Values in the Serial EEPROM Table 2-1.PowerSpan Register Initialization Values in the Serial EEPROM (cont) Other PowerSpan Initializations Example 2-1.PowerSpan Interrupt Map Registers Initialization Code Internal Memory Map Register (IMMR) Bus Configuration Register (BCR) System Protection Control Register (SYPCR) 60x Bus Arbiter Registers (PPC_ACR, PPC_ALRH, and PPC_ALRL) SIU Module Configuration Register (SIUMCR) Bus Transfer Error Registers (TESCR1 and L_TESCR1) SDRAM Controller and SDRAM Device Initialization GPCM Controller Initialization UPM Controller Programming MMU Initialization Cache Initialization I/O Port Initialization CPM RCCR Reset Page 3Programming the Peripherals TDM Busses in Multiplexed Direct Mode and in Switched Mode TDM Busses in Independent Direct Mode TDM Busses in Pass-ThroughMode Page Introduction BRGCLK BRG7 – TTY Baud-RateGenerator Page Introduction Master Clock Initialization Table 3-1.GCM Register Programming TDM Busses General Structure Multiplexed Direct Mode Table 3-2.Channel Phase Programming in Multiplexed System Data Streams RCLK1 Configuration as TDM Bus Clock Table 3-3.QuadFALC RCLK Reference Source for DCO-R Independent Direct Mode Switched Mode Pass-ThroughMode Page Common Initialization T1 Specific Initialization E1/E1-CRC4Common Initialization E1 Non-CRC4Specific Initialization E1-CRC4Specific Initialization Clock Synchronization Initialization Table 3-10.Master Mode Initialization (cont) Value Comment Transmit Pulse Shape Line LED Control Page Page 4Accessing the 4538 on the PCI Side Example 4-1.Reset and Run Command Routines Example 4-2.PCI to Local Interrupt Routines (From the PCI Side) Example 4-3.Routines Related to Local-to-PCIInterrupt Example 4-4.Set and Reset FLASH Mode Routine (From PCI Side) Example 4-5.FLASH Read and Write Routines (From PCI Side) FLASH EEPROM Programming Algorithms Example 4-6.I²C Serial EEPROM Read and Write Routines (From PCI Side) Avoid the reads. Prefer the writes Prefer the bursts Prefer DMA transfers Example: 5Connectors and Front Panel Figure 5-3.Connectors and Leds on front panel LED Descriptions RJ48 Connectors J1 and J2 Table 5-1.RJ48 Connectors J1 and J2 Signal Ethernet 10/100 RJ45 Connector J3 Table 5-2.Ethernet 10/100 RJ45 Connector TTY Serial Port J4 Table 5-3.J4 TTY Serial Connector Figure 5-4.TTY connector : 2.5mm stereo jack plug PMC Connectors P1 and P2 Table 5-4.PMC Connector P1 Table 5-4.PMC Connector P1 (cont) Table 5-5.PMC Connector P2 Table 5-5.PMC Connector P2 (cont) Page PMC Connector P4 Table 5-6.PMC Connector P4 Table 5-6.PMC Connector P4 (cont) Page Table 5-7.J5 Debug Port Figure 5-5.4538 Connectors CompactPCI Carrier Card Table 5-8.CompactPCI J3 Pin-Out Table 5-8.CompactPCI J3 Pin-Out(cont) Table 5-9.CompactPCI J5 Pin-Out 30&,2 30&,2 Custom Carrier Card Page Table 5-10.T1/E1/J1 RJ48 Connector Page AMechanical Information A Page Bibliography Page Page Page Page Page Glossary Basic Rate Interface Board Support Package Broadcast and Unknown Server Content Addressable Memory Constant Bit Rate Data Terminal Equipment Emulated LAN END u Enhanced Network Driver EPLD u Electrically Programmable Logic Device End System Local-Area Network LAN Emulation Link Access Procedure, Balanced LAN Emulation Client Protocol Data Unit Packet Level Protocol PCI Mezzanine Card Power-On-Self-Test Primary Rate Interface STS u Synchronous Transport Signal Synchronous Transport Signal level Switched Virtual Circuit Transmission Control Protocol Trivial File Transfer Protocol Index