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Date:      Sat, 10 Nov 2018 12:43:16 +0100
From:      Emmanuel Vadot <manu@bidouilliste.com>
To:        =?ISO-8859-1?Q?S=F8ren?= Schmidt <sos@deepcore.dk>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: Allwinner R40/V40 support anyone ?
Message-ID:  <20181110124316.d92ea7293ad46f440e4fe605@bidouilliste.com>
In-Reply-To: <DF6CD6BC-F03A-41DB-9106-60488F215866@deepcore.dk>
References:  <14FA23F3-03AA-4970-BA02-F57055C4FF64@deepcore.dk> <20181110121241.c016bfc2c0a324a5bb06fa9c@bidouilliste.com> <DF6CD6BC-F03A-41DB-9106-60488F215866@deepcore.dk>

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On Sat, 10 Nov 2018 12:30:52 +0100
S=F8ren Schmidt <sos@deepcore.dk> wrote:

> HI
>=20
> Yeah its almost but not quite like the A20 :)
>=20
> So far I?ve just added the r40 to the following drivers:
>=20
> aw_ccu.c
> clkng/ccu_a10.c
> aw_gpio.c
> aw_machdep.c
> aw_mmc.c

 Doesn't the A64 support in it is enough ?

> Which seem to do OK.
>=20
> However there are issues with the power chip (axp221) it does get found b=
y the axp209 driver, but it immediately shuts down and holds NMI active so =
that needs work at least, bandaid for now is just disable its IRQ.

 Ok weird.

> USB finds the controller, but fails to attach the root hub with uhub_atta=
ch: getting USB 2.0 HUB descriptor failed,error=3DUSB_ERR_SHORT_XFER

 You will need to add support for the phy too. (aw_usbphy.c)

> The GMAC has trouble finding its PHY.
> Both could be due to proper power missing I guess.
> It finds the SATA part and that works quite well (my own ATA stack, not s=
tock CAM).

 Does it work with CAM ?

> Haven?t tried video/audio as that has no interest to me for now.

 Video and Audio were always hackish on Allwinner, we will need to do
something to fix that.

> --S=F8ren Schmidt
> sos@deepcore.dk / sos@freebsd.org
> "So much code to hack, so little time"
>=20
> > On 10 Nov 2018, at 12.12, Emmanuel Vadot <manu@bidouilliste.com> wrote:
> >=20
> >=20
> > Hi,
> >=20
> > On Sat, 10 Nov 2018 11:23:56 +0100
> > S=F8ren Schmidt <sos@deepcore.dk> wrote:
> >=20
> >> Hi
> >>=20
> >> I?m looking into getting the BananaPi M2 Berry running, but before I t=
oss too much time into it I?d like to hear if anybody else is working on it=
 ?
> >=20
> > R40 just contain most of the IP present in the A20. What would be
> > needed is a r40 ccu driver. I haven't read the datasheet but I assume
> > that it could be possible to adapt ccu_a10 for it easily.
> >=20
> >> I?m so far that it boots but with bandaids and sticks :)
> >=20
> > What are they ?
> >=20
> >> --
> >> S=F8ren Schmidt
> >> sos@deepcore.dk / sos@freebsd.org
> >> "So much code to hack, so little time"
> >=20
> >=20
> > --=20
> > Emmanuel Vadot <manu@bidouilliste.com> <manu@freebsd.org>


--=20
Emmanuel Vadot <manu@bidouilliste.com> <manu@freebsd.org>



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