first_example_microzed_appdev
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| first_example_microzed_appdev [2020/11/19 19:54] – created ursgraf | first_example_microzed_appdev [2020/12/01 14:28] – [Step by Step Instructions] ursgraf | ||
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| ====== Application Development ====== | ====== Application Development ====== | ||
| + | <box green 100%> | ||
| + | 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 \\ {{ : | ||
| + | - 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. A soft reset (through the JTAG or by pressing the reset button on the board will reset the board but will not sample the boot mode pins connected to the jumpers. | ||
| + | - 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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