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Sylvain Munaut 246tnt at gmail.comHi, > As you can see from the patch, I made some progress with a port of Nuttx to > the Calypso platform. The UART doesn't work yet. The few possible tests with > just the backlight suggest that the IRQ is working. More work required but > I'd like to avoid doing the work twice. I've just add a quick look at the patch (really, just 10 min) and I have a few comments: - I think it'd be better to progressively add support. I see for example you copied a bunch of the header over (including things that definitely cleaning like l1_environment.h and that one is probably not gonna be in the nutt-x repo anyway) - Make it a patch series adding things one by one so we can see a progress / logical path when reviewing (like 1: base structure, 2: statrup files 3: interrupts ....) Also (unrelated to the patch), somethings that I think should be discussed/addressed soon are: - How we will handle the boards in nuttx (including variants like US/EU version of the same phone) - How we will handle the memory zones (SRAM / SDRAM / Flash / XIP from flash (or just .rodata ?)) - How we will handle our different ram config (boot from ram / flash), can we use the loader to load part of the SDRAM if we don't fit in SRAM completely ? - Memory allocator (handling zones ...). I think that'd be something very useful. Currently we can only allocate msgb and that's a little limiting. (nuttx may have mechanism in place already for those, I'm not sure yet) Just my 10 cents. Cheers, Sylvain