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Microblaze Configuration:
Now we need to configure the MicroBlaze so that it will go into sleep mode upon coming out of reset until it is woken by the user. Double click on the MicroBlaze IP, and Enable Discrete Port (this is on the first page in the GUI). We will be using the reset_mode set to 01. See the MicroBlaze User Guide here for more information on the reset mode. We want to execute from the PS DDR (at address 0x00100000), so we must tell the MicroBlaze where to boot from. Select the advanced tab in the MicroBlaze configuration GUI, Interrupt & Reset and set the Vector Base Address to 0x00100000. Select OK to exit the Config GUI.Adding Reset GPIO IP:
We can use a Constant IP from the IP catalog set to (const width = 2, const val = 01) and connect this to the reset_mode pin on the MicroBlaze. Connect Concat the GPIO_O pin from the Zynq PS and the Microblaze Dbg_Wakeup to the Wakeup input pin on the MicroBlaze.Generate the Output Products (you will see a port mismatch warning, this is fine), and the HDL wrapper. Write Bitstream and export to SDK (File Export -> Export Hardware) and select include bitstream. Finally, export to SDK.
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