Re: U-Boot, d-i and selecting the console device
not a direct answer to your mail but very related and raising other
questions / problems:
jessie kernel already supports simplefb (simple framebuffer) together
with newer u-boot, specific u-boot environment and a custom device tree
it is possible to get a framebuffer.
The specific u-boot environment is needed for the lcd display
settings/timings. Would it be an option to build different u-boot
configurations for the different board+display combinations?
The custom device tree is needed to make the touchscreen known. It looks
like such a device tree won't be accepted in mainline and one should use
device tree overlays. Is there anything related already in debian?
example here:
http://karme.de/prisirah/
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Setup │ U‑Boot file name ┃
┠──────────────────────────────────┼──────────────────────────────────────┨
┃ A20‑OLinuXino‑MICRO │ ┃
┃ + LCD‑OLinuXino‑7TS (or │ u-boot-A20-OLinuXino_MICRO-lcd7.bin ┃
┃ A13‑LCD7‑TS) │ ┃
┠──────────────────────────────────┼──────────────────────────────────────┨
┃ A20‑OLinuXino‑MICRO │ ┃
┃ + LCD‑OLinuXino‑10TS (or │ u-boot-A20-OLinuXino_MICRO-lcd10.bin ┃
┃ A13‑LCD10‑TS) │ ┃
┠──────────────────────────────────┼──────────────────────────────────────┨
┃ A20‑OLinuXino‑MICRO + HDMI/DVI/ │ u-boot-A20-OLinuXino_MICRO.bin ┃
┃ VGA │ ┃
┠──────────────────────────────────┼──────────────────────────────────────┨
┃ A20‑OLinuXino‑LIME2 │ u-boot-A20-OLinuXino-Lime2-lcd7.bin ┃
┃ + LCD‑OLinuXino‑7TS │ ┃
┠──────────────────────────────────┼──────────────────────────────────────┨
┃ A20‑OLinuXino‑LIME2 │ u-boot-A20-OLinuXino-Lime2-lcd10.bin ┃
┃ + LCD‑OLinuXino‑10TS │ ┃
┠──────────────────────────────────┼──────────────────────────────────────┨
┃ A20‑OLinuXino‑LIME2 + HDMI/DVI │ u-boot-A20-OLinuXino-Lime2.bin ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
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