Date: Fri, 17 Jul 2015 09:23:44 +1000 From: Trev <freebsd-arm@sentry.org> Cc: freebsd-arm@freebsd.org Subject: Re: More RPI-B/SD card information [was: Re: RPi won't boot 10.2-BETA1 -- SOLVED] Message-ID: <55A83D00.90603@sentry.org> In-Reply-To: <20150716150919.GK37051@FreeBSD.org> References: <87wpy41zjt.fsf@elk.localnet> <87y4iiyt29.fsf@elk.localnet> <20150715040109.GV15828@FreeBSD.org> <87pp3tzaas.fsf@elk.localnet> <20150716150919.GK37051@FreeBSD.org>
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Glen Barber wrote: > I did a bit more testing, and it seems the RPI-B is *very* picky about > what SD cards will work. Below follows results of the tests, using the > 20150716-r285616 RPI-B image (built last night, propagating now). > > For completeness, I've included 'mmcinfo' output from u-boot, but what > is really interesting is cards (7) and (8). [...] > 7) FAILED > Kingston class 4 SDHC 4GB > U-Boot> mmcinfo > Device: bcm2835_sdhci > Manufacturer ID: 2 > OEM: 544d > Name: SA04G > Tran Speed: 50000000 > Rd Block Len: 512 > SD version 2.0 > High Capacity: Yes > Capacity: 3.6 GiB > Bus Width: 4-bit > > 8) SUCCESS > Kingston class 4 SDHC 4GB > U-Boot> mmcinfo > Device: bcm2835_sdhci > Manufacturer ID: 2 > OEM: 544d > Name: SA04G > Tran Speed: 50000000 > Rd Block Len: 512 > SD version 2.0 > High Capacity: Yes > Capacity: 3.6 GiB > Bus Width: 4-bit Maybe not so interesting if you read http://www.bunniestudios.com/blog/?p=918#comment-512017 regarding "Kingston" cards. Of more interest would be reading the cards ID data for date, fwrev, hwrev, manfid, name, oemid, scr and serial number.
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