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 Data Modul AG TEL: +49-89-56017-154 Embedded development FAX: +49-89-56017-119 Linux - Development RG: HR-Muenchen B-85591 Landsberger Str. 322 D-80687 Muenchen - http://www.data-modul.com Vertrauliche E-Mail von / Confidential e-mail from: DATA MODUL AG Vorstand / CEO: Dr. Florian Pesahl Vorsitzende des Aufsichtsrates / Chairwoman of the Supervisory Board: Kristin D. Russell Sitz der Gesellschaft / Registered Office: München Registergericht / Registration Court: München Handelsregister B 85 591 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
