Page History

...

Dependencies for sdcard flashing.

Bootloader:

Bananapi r4 follows a atf (arm-trusted firmware) flow for device bootup, by default flash memory is present in the device which will be loaded with BL1  and BL1 will be having bl2 address to load bl2 and make device up.

Device bootup flow as mentioned below 

a)BL1: Bootloader one which will be part of flash memory of bpir4 , it will be holding address for bl2.
b)BL2: Bootloader two need to be generated and loaded in a specified sector so that bl1 can load bl2. 
c)fip: Firmware image Package which contains firmware components eg bl31.
d)Kernel: Layer which will be acting between hardware and OS.
e)RDKB : RDKB stack or RDKB OS for user interaction.

...