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flink on Phytec PCM032 Board (mpc5200)

The following example describes in detail how a Phytec PCM032 Board containing a mpc5200 and a FPGA is configured to be used with flink. The FPGA will contain a single channel PWM module and a single channel GPIO modul.

Setup

  • Configure the board with a working Linux kernel and root file system or use the system described in Installation von Emdebian Grip auf den Phytec phyCORE-MPC5200B
  • Make sure that the device tree blob is up-to-date. It must contain a node for the FPGA sitting on the local plus bus.
  • Get necessary sources for the flink project.
    git clone https://github.com/flink-project/flinkvhdl.git
    git clone https://github.com/flink-project/flinklinux.git
    git clone https://github.com/flink-project/flinklib.git

Configure the FPGA

Proceed as described in VHDL.

  • In 5: add a block gpio and a block pwm to the system. Also add a lpb_mpc5200b_to_avalon module. Leave the standard values as they are except for the PWM module, whose base clock should be 33000000.
    Invalid Link
    Adding an interface block
  • After 9: the System should now look like:
    Invalid Link
    Complete system
  • In 14: choose the pins as follows:
signaldirpin
clk_clkinPIN_H2
lpb_ack_noutPIN_T11
lpb_ad[31]bidirPIN_T6
lpb_ad[30]bidirPIN_N8
lpb_ad[29]bidirPIN_R9
lpb_ad[28]bidirPIN_T9
lpb_ad[27]bidirPIN_R8
lpb_ad[26]bidirPIN_T8
lpb_ad[25]bidirPIN_L8
lpb_ad[24]bidirPIN_L7
lpb_ad[23]bidirPIN_R7
lpb_ad[22]bidirPIN_T7
lpb_ad[21]bidirPIN_R5
lpb_ad[20]bidirPIN_T5
lpb_ad[19]bidirPIN_R4
lpb_ad[18]bidirPIN_T4
lpb_ad[17]bidirPIN_P4
lpb_ad[16]bidirPIN_P5
lpb_ad[15]bidirPIN_R3
lpb_ad[14]bidirPIN_T3
lpb_ad[13]bidirPIN_P11
lpb_ad[12]bidirPIN_N11
lpb_ad[11]bidirPIN_L11
lpb_ad[10]bidirPIN_M11
lpb_ad[9]bidirPIN_R14
lpb_ad[8]bidirPIN_T14
lpb_ad[7]bidirPIN_R13
lpb_ad[6]bidirPIN_T13
lpb_ad[5]bidirPIN_R12
lpb_ad[4]bidirPIN_T12
lpb_ad[3]bidirPIN_P13
lpb_ad[2]bidirPIN_P12
lpb_ad[1]bidirPIN_K10
lpb_ad[0]bidirPIN_K11
lpb_ale_ninPIN_R11
lpb_cs_n[0]inPIN_N10
lpb_intoutPIN_R6
lpb_oe_ninPIN_L9
lpb_rdwr_ninPIN_L10
lpb_ts_ninPIN_T10
reset_reset_ninPIN_N9

The pins for the PWM output and the GPIO have to be assigned according to your hardware.