Sergio Martínez Neirth

## rpi4_eufi_booting_flatcar.md

      
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              Created
              December 2, 2020 09:21
            
              
                UEFI/iPXE booting Raspberry Pi for Flatcar Linux
              
          
    UEFI/iPXE booting Raspberry Pi for Flatcar Linux

Download and compile the following https://github.com/pftf/RPi4.git. I made the following change to edk2-platforms to always enable 3GB RAM+ as TFTP booting this seems to cause issues with it remembering the options.
diff --git a/Platform/RaspberryPi/RPi4/RPi4.dsc b/Platform/RaspberryPi/RPi4/RPi4.dsc
index c481c35342..4b495b1fe8 100644
--- a/Platform/RaspberryPi/RPi4/RPi4.dsc
+++ b/Platform/RaspberryPi/RPi4/RPi4.dsc
@@ -495,7 +495,7 @@


## hello_world.c
int doubler(int x) {
  return 2 * x;
}

## gpio.java
public class GPIO {

	public String port;
	public int pin;

	//get direction of gpio
	public String getInOut()
	{
		String command = String.format("cat /sys/class/gpio/%s/direction",this.port);
		try {
	public class GPIO {

	public String port;
	public int pin;

	//get direction of gpio
	public String getInOut()
	{
	String command = String.format("cat /sys/class/gpio/%s/direction",this.port);
	try {