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MicroBlaze Micro Controller System v1.3

14

PG048 December 18, 2012

Chapter 4

Customizing and Generating the Core

This chapter includes information on using Xilinx tools to customize and generate the core

using the Vivado™ Design Suite.

GUI

MicroBlaze™ MCS parameters are divided in seven tabs: MCS, UART, FIT, PIT, GPO, GPI and

Interrupts. The MCS parameter tab is shown in

.

X-Ref Target - Figure 4-1

Figure 4-1:

MCS Parameter Tab

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Содержание LogiCORE MicroBlaze

Страница 1: ...LogiCORE IP MicroBlaze Micro Controller System v1 3 Product Guide PG048 December 18 2012...

Страница 2: ...ification Standards Compliance 7 Performance 7 Resource Utilization 8 Port Descriptions 9 Register Space 10 Chapter 3 Designing with the Core General Design Guidelines 11 Clocking 11 Resets 12 Protoco...

Страница 3: ...e Core GUI 35 Parameter Values 43 Parameter Port Dependencies 43 Tool Flow 43 Chapter 7 Constraining the Core Clock Management 51 SECTION IV APPENDICES Appendix A Application Software Development Xili...

Страница 4: ...MicroBlaze Micro Controller System v1 3 www xilinx com 3 PG048 December 18 2012 SECTION I SUMMARY IP Facts Overview Product Specification Designing with the Core...

Страница 5: ...Core Specifics Supported Device Family 1 Zynq 7000 2 Virtex 7 Kintex 7 Artix 7 Virtex 6 Virtex 5 Spartan 6 Virtex 4 Spartan 3 Supported User Interfaces Local Memory Bus LMB Dynamic Reconfiguration Por...

Страница 6: ...nstruction set computer RISC optimized for implementation in Xilinx Field Programmable Gate Arrays FPGAs Detailed information on the MicroBlaze processor can be found in the MicroBlaze Processor Refer...

Страница 7: ...M data sheet Ref 3 The MDM parameters except the JTAG user defined register are fixed and their values can be found in Table 4 8 When more than one MicroBlaze MCS instance with debug enabled is includ...

Страница 8: ...are aligned to MicroBlaze targets as well as the access latency optimized for MicroBlaze data access Maximum Frequencies The following are clock frequencies for the target families The maximum achieva...

Страница 9: ...ates and the actual utilization of FPGA resources and timing of the MicroBlaze MCS design will vary from the results reported here All parameters not given in Table 2 2 have their default values Table...

Страница 10: ...value Trace_Jump_Taken O Branch instruction evaluated TRUE taken Trace_Delay_Slot O Instruction is in delay slot of a taken branch Trace_Data_AccessT O Valid D side memory access Trace_Data_Address 0...

Страница 11: ...d PITx_Toggle when PITx lapses GPO Signals GPOx 1 C_GPOx_SIZE 1 0 O GPOx Output GPI Signals GPIx 1 C_GPIx_SIZE 1 0 I GPIx Input GPIx_Interrupt 1 O GPIx input changed INTC Signals INTC_Interrupt 0 C_IN...

Страница 12: ...ose Input and Interrupt Controller All of these interfaces are directly connected to the I O Module inside the MicroBlaze MCS MicroBlaze Trace Signals See the MicroBlaze Processor Reference Guide Ref...

Страница 13: ...Reset input is the master reset input signal for the entire MicroBlaze MCS In addition the entire MicroBlaze MCS or just the MicroBlaze processor can be reset from the Xilinx MicroProcessor Debugger...

Страница 14: ...MicroBlaze Micro Controller System v1 3 www xilinx com 13 PG048 December 18 2012 SECTION II VIVADO DESIGN SUITE Customizing and Generating the Core Constraining the Core...

Страница 15: ...Core This chapter includes information on using Xilinx tools to customize and generate the core using the Vivado Design Suite GUI MicroBlaze MCS parameters are divided in seven tabs MCS UART FIT PIT...

Страница 16: ...port When debug support is enabled it is possible to debug software via JTAG from Xilinx Software Development Kit SDK or directly using the Xilinx Microprocessor Debugger XMD Debug JTAG User defined R...

Страница 17: ...s Defines the number of data bits used by the UART Should almost always be set to 8 Use Parity Enable this parameter to use parity checking of the UART characters Even or Odd Parity Select odd or even...

Страница 18: ...arameter tab showing the parameters for one of the four timers is shown in Figure 4 3 Use FIT Enable the Fixed Interval Timer Number of Clocks Between Strobes The number of clock cycles between each s...

Страница 19: ...ammable Interval Timer counter is readable by software when this parameter is set RECOMMENDED Unless resource usage is critical it is recommended that you keep this enabled Define Prescaler Selects a...

Страница 20: ...Purpose Output ports is shown in Figure 4 5 Use GPO Enable the General Purpose Output port Number of Bits Set the number of bits of the General Purpose Output port Initial Value of GPO Set the initia...

Страница 21: ...ab showing the parameters for one of the four General Purpose Input ports is shown in Figure 4 6 Use GPI Enable the General Purpose Input port Number of Bits Set the number of bits of the General Purp...

Страница 22: ...ach bit in the value corresponds to the equivalent interrupt input When a bit is set to one the interrupt is edge triggered otherwise it is level sensitive Positive or Negative External Interrupts Set...

Страница 23: ...d Table 4 7 LMB BRAM IF Controller Table 4 8 MicroBlaze Debug Module Table 4 1 MicroBlaze MCS Parameters Parameter Name Feature Description Allowable Values Default Value VHDL Type MCS Parameters C_FA...

Страница 24: ...sed determines whether parity is odd or even 0 Even Parity 1 Odd Parity 0 integer C_UART_RX_INTERRUPT Use UART RX Interrupt in INTC 0 Not Used 1 Used 0 integer C_UART_TX_INTERRUPT Use UART TX Interrup...

Страница 25: ...Ix_INTERRUPT 2 Use GPIx_Interrupt in INTC 0 Not Used 1 Used 0 integer INTC Parameters C_INTC_USE_EXT_INTR Use I O Module external interrupt inputs 0 Not Used 1 Used 0 integer C_INTC_INTR_SIZE Number o...

Страница 26: ...er 0x00 C_INSTANCE Instance Name Value of MicroBlaze MCS parameter C_MICROBLAZE_INSTANCE C_D_PLB Data side PLB interface All other data side PLB parameters are don t care 0 C_D_AXI Data side AXI inter...

Страница 27: ...0 C_USE_DCACHE Data cache All other data cache parameters are don t care 0 C_USE_MMU Memory management All other MMU parameters are don t care 0 C_USE_INTERRUPT Enable interrupt handling 2 C_USE_EXT_...

Страница 28: ...B data bus width 32 C_EXT_RESET_HIGH Level of external reset 1 active High reset Table 4 5 Internal LMB_v10 Parameters Settings DLMB Parameter Name Feature Description Value C_LMB_NUM_SLAVES Number of...

Страница 29: ...000000 C_LMB_AWIDTH LMB address bus width 32 C_LMB_DWIDTH LMB data bus width 32 C_ECC Implement error correction and detection All other ECC as well as AXI and PLB parameters are don t care 0 No ECC T...

Страница 30: ...The generic tool flow in Vivado is shown in Figure 4 8 X Ref Target Figure 4 8 Figure 4 8 Generic Vivado Tool Flow Add IP Implement Project Import Hardware Description Import Hardware Create Software...

Страница 31: ...directory project name runs impl_1 For additional information see the Xilinx Vivado Manuals Ref 9 SDK The SDK commands to achieve the MicroBlaze MCS specific steps above are detailed here Import Hardw...

Страница 32: ...1 toplevel_bd bmm In PlanAhead with one MicroBlaze MCS component this file is typically called project name srcs sources_1 ip component name component_name_bd bmm With more than one MicroBlaze MCS com...

Страница 33: ...de Selections There are no Device Package or Speed Grade requirements for this core Clock Frequencies There are no specific clock frequency requirements for this core Clock Management MicroBlaze MCS i...

Страница 34: ...com 33 PG048 December 18 2012 Chapter 5 Constraining the Core Transceiver Placement There are no Transceiver Placement requirements for this core I O Standard and Placement There are no specific I O...

Страница 35: ...MicroBlaze Micro Controller System v1 3 www xilinx com 34 PG048 December 18 2012 SECTION III ISE DESIGN SUITE Customizing and Generating the Core Constraining the Core...

Страница 36: ...GUI The I O Module parameters are divided in seven tabs MCS UART FIT PIT GPO GPI and Interrupts The MCS parameter tab is shown in Figure 6 1 Instance Hierarchical Design Name Defines the unique instan...

Страница 37: ...ia JTAG from Xilinx Software Development Kit SDK or directly using the Xilinx Microprocessor Debugger XMD Debug JTAG User defined Register Specifies the JTAG user defined register for debug When more...

Страница 38: ...ys be set to 8 Use Parity Enable this parameter to use parity checking of the UART characters Even or Odd Parity Select odd or even parity Only available when parity is used Implement Receive Interrup...

Страница 39: ...arameter tab showing the parameters for one of the four timers is shown in Figure 6 3 Use FIT Enable the Fixed Interval Timer Number of Clocks Between Strobes The number of clock cycles between each s...

Страница 40: ...ammable Interval Timer counter is readable by software when this parameter is set RECOMMENDED Unless resource usage is critical it is recommended that you keep this enabled Define Prescaler Selects a...

Страница 41: ...pose Output ports enabled is shown in Figure 6 5 Use GPO Enable the General Purpose Output port Number of Bits Set the number of bits of the General Purpose Output port Initial Value of GPO Set the in...

Страница 42: ...howing the parameters with one of the four General Purpose Input ports enabled is shown in Figure 6 6 Use GPI Enable the General Purpose Input port Number of Bits Set the number of bits of the General...

Страница 43: ...ach bit in the value corresponds to the equivalent interrupt input When a bit is set to one the interrupt is edge triggered otherwise it is level sensitive Positive or Negative External Interrupts Set...

Страница 44: ...ons detailed in Table 4 2 MicroBlaze Table 4 3 I O Module Table 4 4 and Table 4 5 LMB v10 Table 4 6 and Table 4 7 LMB BRAM IF Controller Table 4 8 MicroBlaze Debug Module Parameter Port Dependencies T...

Страница 45: ...eters are defined using the configuration dialog and the component is generated and synthesized Several files are created during this step X Ref Target Figure 6 8 Figure 6 8 Generic PlanAhead and Proj...

Страница 46: ...y find all the MicroBlaze MCS core BMM files in the project and merge them using a text editor The contents of the files can be concatenated in any order except that the id number at the end of each A...

Страница 47: ...t the bitstream can be updated with software after it has been generated Update Bitstream with Software This step is used to update the previously generated bitstream with all software executable file...

Страница 48: ...script provided to perform the steps Create Merged BMM and Update Tool to Use BMM In the Tcl Console type the following commands cd project path source project name srcs sources_1 ip component name mi...

Страница 49: ...runs impl_1 toplevel bit o b project name runs impl_1 download bit Here part is the complete part name consisting of device package and speed concatenated With more than one MicroBlaze MCS component...

Страница 50: ...ith Software and Generate Simulation Files Type the following command in the Tcl Console to perform this with one MicroBlaze MCS component microblaze_mcs_data2mem sdk workspace path sdk program Debug...

Страница 51: ...than one MicroBlaze MCS component the bm option must indicate the merged BMM file updated with block RAM placement For each additional MicroBlaze MCS component the bd option has to be repeated follow...

Страница 52: ...ze Micro Controller System v1 3 www xilinx com 51 PG048 December 18 2012 Chapter 7 Constraining the Core Clock Management MicroBlaze MCS is fully synchronous with all clocked elements clocked by the C...

Страница 53: ...MicroBlaze Micro Controller System v1 3 www xilinx com 52 PG048 December 18 2012 SECTION IV APPENDICES Application Software Development Debugging Additional Resources...

Страница 54: ...Software Development Kit MicroBlaze MCS can be used with the Xilinx Software Development Kit SDK in the same way as any embedded system The specific steps needed with MicroBlaze MCS are described in...

Страница 55: ...the MicroBlaze MCS the Xilinx Support web page www xilinx com support contains key resources such as product documentation release notes answer records information about known issues and links for op...

Страница 56: ...oper keywords such as Product name Tool message s Summary of the issue encountered A filter search is available after results are returned to further target the results Answer Records for the MicroBla...

Страница 57: ...and virtual I O cores directly into your design The ChipScope Pro debugging tool allows you to set trigger conditions to capture application and integrated block port signals in hardware Captured sign...

Страница 58: ...s is case sensitive in the tools The parameter Memory Size set in the MicroBlaze MCS configuration dialog has changed but the corresponding BMM file has not been updated Corrective action Change Insta...

Страница 59: ...d BMM filename Please regenerate the MicroBlaze MCS instance ERROR Could not find BMM filename Please invoke microblaze_mcs_setup and implement the design Possible causes With PlanAhead the BMM file h...

Страница 60: ...Build with a bm option or embedded BMM information must be included in the source HDL Possible causes The design has been implemented without the Ngdbuild bm option to define the BMM file but with the...

Страница 61: ...the MicroBlaze processor with the simulation Use the microblaze_mcs_data2mem Tcl procedure to do this in ISE Project Navigator or PlanAhead The equivalent command in Vivado Design Suite is Tools Asso...

Страница 62: ...Ensure that all the timing constraints for the core were properly incorporated from the example design and that all constraints were met during implementation Does it work in post place and route tim...

Страница 63: ...umentation see www xilinx com company terms htm References These documents provide supplemental material useful with this user guide 1 Local Memory Bus LMB V10 Product Guide PG087 2 IP Processor LMB B...

Страница 64: ...duce modify distribute or publicly display the Materials without prior written consent Certain products are subject to the terms and conditions of the Limited Warranties which can be viewed at http ww...

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