APF6 SP The full howto
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Contents
Introduction
This is the full howto to make an APF6_SP CycloneV example design to use :
- PCIe
- DDR3
- LED
- Button
This howto is designed for :
- APF6D_SP-M1GE4G-4m-BW-C4M384: APF6_SP Dual with CycloneV C4 (speed C8) and two DDR3 chips
- Quartus 15.1.1 : Quartus 15 with update 1
To install quartus 15 see this page.
Make the quartus project
- Open the new project wizard in Quartus
- Select a directory for the design:
~/tmp/apf6_the_full_howto
- Open an empty project
- Change the device : right click on "Cyclone V"->Devices... in Project Navigator
- Select the part number : 5CGXFC4C7U19C8 then Ok
Make the Qsys project
- Open Qsys: Tools->Qsys
- Delete the component clk_0 then save the Qsys project with name : qsys_tfht.qsys
- Clic on finish and generate the component with all options left by default
- Under Quartus project add the Qsys project (don't forget to click on add after selected here.
- Relaunch Qsys by double-click on the file in project navigator
Adding the PCIe and CvP
- In IP Catalog select the component:
Library Interface Protocols PCI Express Avalon-MM Cyclone V Hard IP for PCI Express
- PCIe configuration:
- Number of Lanes: x1
- Reference clock frequency: 125Mhz
- check "Use 62.5 MHz application clock"
- BAR0: 32-bit non-prefetchable memory
- BAR1: 32-bit non-prefetchable memory
- BAR2: 32-bit non-prefetchable memory
- Vendor ID: 0x00001172
- Device ID: 0x0000e001
- Class Code: 0x00001300: there is a bug in quartus, the actual class code is here 13
- click on finish
- Export these signal with name in bold:
- refclk : refclk
- npor: npor
- hip_serial: hip_serial
- connect Rxm_BAR0 on Cra
- Adding CvP component reconfig driver, with all default parameters:
Library Interface Protocols PCI Express Altera PCIe Reconfig Driver
- Connect these signals:
- coreclkout -> reconfig_xcvr_clk
- coreclkout -> pld_clk
- nreset_status -> reconfig_xcvr_rst
- Adding CvP component transceiver, with all default parameters:
Library Interface Protocols Transceiver PHY Transceiver Reconfiguration Controller
- Connect these signals:
- coreclkout -> mgmt_clk_clk
- nreset_status -> mgmt_rst_reset
- reconfig_mgmt -> reconfig_mgmt
- reconfig_driver.reconfig_busy -> reconfig_busy
- pci.reconfig_to_xcvr -> reconfig_to_xcvr
- pci.reconfig_from_xcvr -> reconfig_from_xcvr
Adding the DDR3
UniPHY controller
- In the IP catalog, select:
Library Memory Interfaces and Controllers Memory Interfaces with UniPHY DDR3 SDRAM Controller with UniPHY
- Select checkbox Enable Hard External Memory Interface
- In tab PHY Settings configure:
- Speed Grade: 8
- Memory clock frequency: 375Mhz
- PLL reference clock frequency: 62.5Mhz
- Rate on Avalon-MM interface: Full
- supply Voltage: 1.35V DDR3L
- In tab Memory Parameters
- In preset select: JEDEC DDR3-1G6 2GB X8 and apply
- Memory device speed grade: 400Mhz
- Total interface width: 24
- Row address width: 14
- In tab Controller Settings
- checkbox: Generate power-of-2 data bus widths for Qsys or SOPC Builder
- checkbox: Enable Configuration and Status Register Interface (Internacl JTAG)
- checkbox: Enable Error Detection and Correction Logic
- Click on finish
- Connect following signals:
- coreclkout -> pll_ref_clk
- coreclkout -> mp_cmd_clk_0
- coreclkout -> mp_rfifo_clk_0
- coreclkout -> mp_wfifo_clk_0
- coreclkout -> csr_clk
- nreset_status -> global_reset
- nreset_status -> soft_reset
- nreset_status -> mp_cmd_reset_n_0
- nreset_status -> mp_rfifo_reset_n_0
- nreset_status -> mp_wfifo_reset_n_0
- nreset_status -> csr_reset_n
Span extender
DDR3 memory is to large for PCIe BAR domain. Then we have to use a span extender to adapt PCIe BAR domain to DDR3 domain.
- Select span expander in IP Library:
Library Basic Functions Bridges and Adaptors Memory Mapped Address Span Extender
- Configure it with these options:
- Datapath Width: 64bits
- Slave Word Address Width: 20bits
- Finish
- Connect following extender signals:
- coreclckout -> clock
- nreset_status -> reset
- Rxm_BAR1 -> windowed_slave
- expanded_master -> avl_0
- Rxm_BAR0 -> cntl
- Change base address of cntl to 0x0000_4000
The resulting schematics should give the figure below.
Adding the button and led (PIO)
- In IP Library select:
Library Processors and Peripherals Peripherals PIO (Parallel I/O)
- Configure it with these options:
- Direction: Bidir
- checkbox Synchronously capture
- Edge Type: RISING
- checkbox Generate IRQ
- IRQ Type: EDGE
- click on finish
- export external_connection to pio
- Connect following signals:
- coreclkout -> clk
- nreset_status -> reset
- Rxm_BAR2 -> s1
- irq -> Rxmirq