Date: Fri, 29 Jun 2018 01:01:32 +0200 From: Emmanuel Vadot <manu@bidouilliste.com> To: Oleksandr Tymoshenko <gonzo@FreeBSD.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r335779 - in head/sys: arm/broadcom/bcm2835 conf Message-ID: <20180629010132.0fdedfa7ae660294800f2a34@bidouilliste.com> In-Reply-To: <201806282114.w5SLEXr2061320@repo.freebsd.org> References: <201806282114.w5SLEXr2061320@repo.freebsd.org>
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On Thu, 28 Jun 2018 21:14:33 +0000 (UTC) Oleksandr Tymoshenko <gonzo@FreeBSD.org> wrote: > Author: gonzo > Date: Thu Jun 28 21:14:33 2018 > New Revision: 335779 > URL: https://svnweb.freebsd.org/changeset/base/335779 > > Log: > [rpi] Add SDHOST device driver for Raspberry Pi > > SDHOST is another SD controller that is present on Raspberry Pi (the > other one is SDHC and handled by bcm2835_sdhci driver). Both > controllers are capable of providing interface to SD card, actual > configuration can be set in dtb file. At the moment custom DTBs for > RPi/RPi2 have sdhost node disabled. On RPi3 sdhost is disabled in > snapshot images by applying mmc.dtbo overlay. To enalbe both devices > user has to edit config.txt on FAT partition and remove or comment > "dtoverlay=mmc" line. > > When no overlay applied on RPi3 SDHOST controls SD card and SDHC > interface can be used for SDIO. mmc.dtbo overlay disables SDHOST node > and switches SD card over to SDHC. Likewise sdhost.dtbo overlay (not > currently included in snapshot image, but can be obtained from firmare > repo[1]) disabled SDHC node and switch SD card over to SDHOST. > > [1] https://github.com/raspberrypi/firmware/tree/master/boot/overlays > > Submitted by: Klaus P. Ohrhallinger <k@7he.at> > Differential Revision: https://reviews.freebsd.org/D14168 > > Added: > head/sys/arm/broadcom/bcm2835/bcm2835_sdhost.c (contents, props changed) > Modified: > head/sys/arm/broadcom/bcm2835/files.bcm283x > head/sys/conf/files.arm64 > Thanks ! Note that if would be better to take overlays from the rpi-firmware packages as it's where the dtb for the snapshot image is taken. -- Emmanuel Vadot <manu@bidouilliste.com> <manu@freebsd.org>
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