text: Tutorial 1->https://www.youtube.com/results?search_query=rasperry+pi+4+bare+metal
  	-#define PBASE	0xFE000000
  	-(12:39)
  	-we can see from the datasheet as " visible to the ARM at 0x0_FEnn_nnnn if Low Peripheral mode is enabled"
  	-we can check the rasperry pi device tree as bcm2711.dtsi (16:29)
  	->we will see (16:29)
  range=<0x7e0000 0x0 0xfe0000
  
  Tutorial 2->https://www.youtube.com/watch?v=r3Ye08ktcMo
  
  