Hi John,
On 1/9/24 11:49, John Crispin wrote:
FAQ
* Why are there are 2 different flash chips?
- the idea is to make the device (almost!) unbrickable and very easy to recover
- NAND will hold the main loader (U-Boot) and the Linux image and will be the
default boot device
- NOR will be write-protected by default (with WP jumper available on the
board) and will hold a recovery bootloader (and other essential data, like
Wi-Fi calibration)
- a dedicated boot select switch will allow changing between NOR and NAND
No Idea how MTK factory calibration data is individual per-device.
If it's possible, I'd like to propose a archive of the radio-calibration /
MAC-Address partition.
So this would be used to enable people download their calibration data for
their serial-number and
make it "unbrickable" with an SPI clamp.
What do you think?
Best
David
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