** Changed in: linux-raspi2 (Ubuntu Bionic)
Status: New => Fix Committed
** Changed in: linux-raspi2 (Ubuntu Cosmic)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1813133
Title:
rpi-cm3 dtb is not present in the arm64 variant
Status in linux-raspi2 package in Ubuntu:
Invalid
Status in linux-raspi2 source package in Bionic:
Fix Committed
Status in linux-raspi2 source package in Cosmic:
Fix Committed
Bug description:
Impact:
The dtb for the Raspberry CM3 board is not shipped in the Bionic
-raspi2 kernel arm64 variant.
Fix:
The dtb for the cm3 board was not compiled at all, in the arm64 arch -
apply the attached patch and recompile.
How to test:
The linux-modules-*-raspi2_arm64.deb should contain the bcm2710-rpi-
cm3 dtb now:
$ dpkg -x linux-modules-4.15.0-1031-raspi2_4.15.0-1031.33_arm64.deb foobar
...
$ ls -l foobar/lib/firmware/4.15.0-1031-raspi2/device-tree/broadcom/
total 92
-rw-r--r-- 1 ppisati ppisati 24566 Jan 23 12:59 bcm2710-rpi-3-b-plus.dtb
-rw-r--r-- 1 ppisati ppisati 24303 Jan 23 12:59 bcm2710-rpi-3-b.dtb
-rw-r--r-- 1 ppisati ppisati 23015 Jan 23 12:59 bcm2710-rpi-cm3.dtb
-rw-r--r-- 1 ppisati ppisati 17451 Jan 23 12:59 bcm2837-rpi-3-b.dtb
Regression potential:
The patch is trivial - it just builds the cm3 dtb if arch==arm64, and
doesn't modify any code, so the regression potential is zero.
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