From: "Yazdani, Reyhaneh" <RYazdani@data-modul.com>
To: Lucas Stach <l.stach@pengutronix.de>,
"barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: Re: signed HDMI firmware in imx8mq image
Date: Thu, 17 Jan 2019 08:19:48 +0000 [thread overview]
Message-ID: <0e681bb5-54cf-c0a6-8a12-a5fed4a37e60@data-modul.com> (raw)
In-Reply-To: <1547631290.4339.26.camel@pengutronix.de>
Hi Lucas,
I built ATF version that is used in the NXP-UBoot-Kernel image, and compiled
Barebox with that one. But still no further process. I think it is not related
to the Trusted Firmware.
Best,
Reyhaneh
On 1/16/19 10:34 AM, Lucas Stach wrote:
> Hi Reyhaneh,
>
> Am Mittwoch, den 16.01.2019, 08:48 +0000 schrieb Yazdani, Reyhaneh:
>> Every one,
>>
>> In order to build a Barebox image to boot imx8mq-evk with HDMI, I have tried to
>> tell Barebox about the embedded signed HDMI firmware, which is necessary for
>> provided kernel image by NXP.
>>
>> for this matter, I added the below line into the
>> arch/arm/boards/nxp-imx8mq-evk/flash-header-imx8mq-evk.imxcfg
>>
>> soc imx8mq
>> loadaddr 0x007E1000
>> dcdofs 0x400
>> + signed_hdmi_firmware firmware/imx/signed_hdmi_imx8m.bin
>>
>> And placed the firmware into the build-directory/firmware/imx
>>
>>
>> By checking kernel boot message, it seems the HDMI FW is running, but no access
>> to the HDMI:
>> [drm:hdmi_phy_init_t28hpc] *ERROR* HDMI mailbox access failed
>>
>> What should I do more in Barebox to make HDMI accessible by kernel?
>
> I don't think there is anything more needed from the Barebox side. At
> least the same change works for me and gets me a working HDMI display
> on the EVK board.
>
> I don't use the NXP kernel through, but running a 4.20 based kernel
> with lot of downstream bits ported. This might be a incompatibility of
> your kernel with the imx8 ATF version shipped with Barebox.
>
> Regards,
> Lucas
>
--
Reyhaneh Yazdani
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prev parent reply other threads:[~2019-01-17 8:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-16 8:48 Yazdani, Reyhaneh
2019-01-16 9:34 ` Lucas Stach
2019-01-16 20:30 ` Andrey Smirnov
2019-01-17 10:04 ` Yazdani, Reyhaneh
2019-01-23 10:43 ` Yazdani, Reyhaneh
2019-01-17 8:19 ` Yazdani, Reyhaneh [this message]
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