Date: Fri, 01 Nov 2013 07:58:17 -0600 From: Ian Lepore <ian@FreeBSD.org> To: freebsd-arm <freebsd-arm@FreeBSD.org> Subject: Re: Wandboard support Message-ID: <1383314297.31172.70.camel@revolution.hippie.lan> In-Reply-To: <1383272225.31172.60.camel@revolution.hippie.lan> References: <1383272225.31172.60.camel@revolution.hippie.lan>
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On Thu, 2013-10-31 at 20:17 -0600, Ian Lepore wrote: > As of r257489 we now have some support for i.MX6 in general and > Wandboard specifically. There is much work to do, especially in the > area of clock and power management and pinmux control, and someone othe= r > than me will have to look towards graphics and sound support (I have no > skills in those areas). >=20 > Things that work: >=20 > * Single core (even on the multicore boards). > * Boots to fully functional multi-user mode. > * Gigabit ethernet > * SD Card > * USB > * UART (serial console) >=20 > I'm not sure what the state of SMP for ARM is in general. I've been > more focused on getting the major imx devices working first. We're > about to the point where it's time to give it a try I think. :) >=20 > I haven't tried using ubldr yet, I've just been directly booting the > kernel via tftp, and nfs-mounting the root filesystem. I have tested > that the boards will boot from and run from sdcard just fine, and I > expect the same would be true for USB drives, but I haven't tried that. >=20 > The kernel is compiled to load at 0x12000000, which is NOT the default > address in the board's u-boot config. I set the kernel to a different > address so that ubldr could load at the board's $loadaddr. >=20 > -- Ian I must have been pretty tired when I wrote that message last night, because I forgot the most important paragraph. Better late than never... Big thanks go to J=FCrgen Wei=DF, who provided me with a starter patchset= a couple months ago that was enough to get the Wandboard booted to single-user mode, so I could concentrate on device drivers and general i.MX infrastructure. I'd still be struggling with this stuff without that jumpstart. -- Ian
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