Openloader

Open source implementation of the blob running on the Cortex M0.

Status

Working

• PLL, very basic clocks
• UART
• Efuse
• DRAM init (tested on 32, 64 and 128 MB)
• USB
• Download protocol for stage 2

TODO

• NAND/NOR
• microSD (probably)

Not planned

• Pinctrl, non-basic clocks

Credits

• stefand - lots of reverse engineering for this SoC; testing (64 MB)
• Mio-sha512 - DRAM & USB & protocol drivers; testing (32 MB)
• jschwartzenberg - testing (64MB)
• exp-3 - testing (32MB)