svn commit: r558163 - in head/sysutils/rpi-firmware: . files
Kyle Evans
kevans at freebsd.org
Tue Dec 15 15:21:49 UTC 2020
On Tue, Dec 15, 2020 at 9:18 AM Emmanuel Vadot <manu at bidouilliste.com> wrote:
>
> On Tue, 15 Dec 2020 09:12:53 -0600
> Kyle Evans <kevans at freebsd.org> wrote:
>
> > On Tue, Dec 15, 2020 at 9:07 AM Emmanuel Vadot <manu at freebsd.org> wrote:
> > >
> > > Author: manu
> > > Date: Tue Dec 15 15:07:07 2020
> > > New Revision: 558163
> > > URL: https://svnweb.freebsd.org/changeset/ports/558163
> > >
> > > Log:
> > > sysutils/rpi-firmware: Add a generic config file for 64bits variant of RPIs
> > >
> > > Submitted by: kevans (original version)
> > >
> > > Added:
> > > head/sysutils/rpi-firmware/files/config_arm64.txt (contents, props changed)
> > > Modified:
> > > head/sysutils/rpi-firmware/Makefile
> > > head/sysutils/rpi-firmware/pkg-plist
> > >
> > > Modified: head/sysutils/rpi-firmware/Makefile
> > > ==============================================================================
> > > --- head/sysutils/rpi-firmware/Makefile Tue Dec 15 15:04:15 2020 (r558162)
> > > +++ head/sysutils/rpi-firmware/Makefile Tue Dec 15 15:07:07 2020 (r558163)
> > > @@ -2,6 +2,7 @@
> > >
> > > PORTNAME= rpi-firmware
> > > PORTVERSION= 1.20201201.g20201201
> > > +PORTREVISION= 1
> > > CATEGORIES= sysutils
> > >
> > > MAINTAINER= uboot at FreeBSD.org
> > > @@ -29,7 +30,8 @@ CONFIG_TXT_FILES= config.txt \
> > > config_rpi_0_w.txt \
> > > config_rpi3.txt \
> > > config_rpi3_edk2.txt \
> > > - config_rpi4.txt
> > > + config_rpi4.txt \
> > > + config_arm64.txt
> > >
> > > do-patch:
> > > .for i in ${CONFIG_TXT_FILES}
> > >
> > > Added: head/sysutils/rpi-firmware/files/config_arm64.txt
> > > ==============================================================================
> > > --- /dev/null 00:00:00 1970 (empty, because file is newly added)
> > > +++ head/sysutils/rpi-firmware/files/config_arm64.txt Tue Dec 15 15:07:07 2020 (r558163)
> > > @@ -0,0 +1,10 @@
> > > +[all]
> > > +arm_control=0x200
> > > +dtparam=audio=on,i2c_arm=on,spi=on
> > > +dtoverlay=mmc
> > > +dtoverlay=disable-bt
> > > +device_tree_address=0x4000
> > > +kernel=u-boot.bin
> > > +
> > > +[pi4]
> > > +armstub=armstub8-gic.bin
> > >
> >
> > I don't think we've tested the pi4 with arm_64bit=1 omitted entirely
> > like this, though. Not that we understand what it really does, since
> > we boot the pi3 without it as aarch64.
> >
> > Thanks,
> >
> > Kyle Evans
>
> I did.
>
> arm_64bit=1 just tell the firmware to load the file from the "kernel8"
> variable instead of the "kernel" one.
> The processors are set to 64bits mode too but u-boot deals with that
> too.
>
> https://www.raspberrypi.org/documentation/configuration/config-txt/boot.md
>
This is wholly disappointing, but re-reading their doc on it I guess
it doesn't really say what the default 0 actually means; I had assumed
it was somehow less reversible than that.
Thanks!
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