The source code is coming soon.
With the ESP32-P4 not having any wireless functionality and instead focusing on being a small SoC, it makes sense to combine it with a second chip that handles features like WiFi and Bluetooth.
With just 768 KB of internal memory, 32MB of PSRAM, and 16MB of SPI flash storage, the Olimex ESP32-P4-PC is clearly not meant for use as a general purpose computer. But it’s a fairly versatile system ...