first_example_microzed_appdev
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| first_example_microzed_appdev [2020/11/19 20:15] – ursgraf | first_example_microzed_appdev [2020/12/01 14:28] – [Step by Step Instructions] ursgraf | ||
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| ====== Application Development ====== | ====== Application Development ====== | ||
| - | This is the preferred method when writing applications on the MicroZed board using the existing runtime library together with the board support package. While you can load and test new custom applications quickly, the configuration of the FPGA is loaded from a flash device. This saves time compared to using the method [[first_example_microzed_sysdev|System Developer]]. | + | <box green 100%> |
| - | What must be done when using this method? | + | This is the preferred method when writing applications on the MicroZed board using the existing runtime library together with the board support package. |
| - | | + | </ |
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| + | While you can load and test new custom applications quickly, the configuration of the FPGA is loaded from a flash device. This saves time compared to using the method [[first_example_microzed_sysdev|System Developer]]. What must be done when using this method? | ||
| + | |||
| + | ===== Step by Step Instructions ===== | ||
| + | - Make sure that you have a default boot loader in your flash device, see [[boot_loader]]. This must be done only once as long as you don't overwrite it. | ||
| + | - Set the jumpers on your MicroZed board as follows \\ {{ :qspiboot.png?200 |}}. \\ This will boot the device from the QSPI flash. | ||
| + | - Cycle the power. The settings of the jumpers will be read only at power-on! Hence, make sure to cycle the supply power after changing the jumper settings. | ||
| + | - Create a deep project and setup the project configuration as given in [[first_example_microzed|Hello World on the Avnet MicroZed Board]]. | ||
| + | - Do not specify a configuration for the FPGA part, as it will be loaded from flash. you must select a configuration file for the PL. \\ {{ :: | ||
| + | - When creating the run configuration, | ||
| + | |||
| + | ===== How Does the System Boot? ===== | ||
| + | - reset (by JTAG) | ||
| + | - load and run first stage boot loader from flash | ||
| + | - configuration of PLL, clocks, DDR by host system | ||
| + | - load PL | ||
| + | - handoff to JTAG | ||
| + | - halt | ||
| + | - reset REBOOT_STATUS register | ||
| + | - download of bin-files to OCM and DDR | ||
| + | - download of bit-file (if specified) | ||
| + | - start at address 0x100 | ||
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