Porting Linux to a new processor architecture, Part 1(lwn.net)

70 pointsby vezzy-fnordvor 11 Jahren3 comments

Porting Linux to a new processor architecture, Part 1

https://lwn.net/Articles/654783/

1 comments

buserrorvor 11 Jahren

I can relate to the article; I've been working for a year to make a new ARM based SoC architecture for a vendor, mostly for industrial purpose. It's already quite a chunk of work. Just designing the clock tree, pinmux, fancy DMA -- let alone the individual 'custom' IPs for peripherals is enough to keep a handful of dev busy for a while!

But, I have to say, it's quite fun too!

mmastracvor 11 Jahren

Does ARM have a good device configuration story yet? Last time I worked in ARM/Linux everything was done through the "board" model where you basically just hard-coded devices you expected to exist.

I thought that Microsoft was bringing UEFI/ACPI to ARM but TBH I haven't kept up.

kelleykvor 11 Jahren

Have you heard of Device Tree? Linux supports it on the x86, ARM, and PPC architectures, among others.

(http://events.linuxfoundation.org/sites/events/files/slides/..., http://www.devicetree.org/Main_Page, https://en.wikipedia.org/wiki/Device_tree, http://elinux.org/Device_Tree)