[Pkg-raspi-maintainers] Bug#858428: raspi3-firmware: avail package on armhf architecture

[Vagrant Cascadian]

On 2017-05-15, Michael Stapelberg wrote:
> Thanks for your patch and tests. As we’re currently in a freeze, I’ll hold
> off uploading this. Could you ping this bug once the freeze is over please?

Ping!

live well,
  vagrant

> On Wed, May 3, 2017 at 1:24 AM, Vagrant Cascadian <vagrant at debian.org>
> wrote:
>
>> On 2017-05-02, Vagrant Cascadian wrote:
>> > Obviously, etc/kernel/postinst.d/raspi3-firmware will need some
>> > adjustments, as it's currently hard-coded for raspberry pi 3.
>>
>> Wow, it's hard-coded in all sorts of ways... the commandline options,
>> the boot options, etc.
>>
>> Patch below to at least to hard-code support raspberry pi2 on armhf,
>> which doesn't handle running armhf on raspberry pi 3 (a plausible
>> configuration). Maybe it should support /etc/default/raspi3-firmware and
>> only set defaults for dtb if unspecified.
>>
>>
>> diff --git a/debian/kernel/postinst.d/raspi3-firmware
>> b/debian/kernel/postinst.d/raspi3-firmware
>> index ca4d158..bfd16c9 100755
>> --- a/debian/kernel/postinst.d/raspi3-firmware
>> +++ b/debian/kernel/postinst.d/raspi3-firmware
>> @@ -10,6 +10,18 @@ exec </dev/null >&2
>>
>>  eval set -- "$DEB_MAINT_PARAMS"
>>
>> +
>> +# Detect appropriate .dtb
>> +arch=$(dpkg --print-architecture)
>> +case ${arch} in
>> +       armhf)
>> +               dtb=bcm2836-rpi-2-b.dtb
>> +               ;;
>> +       arm64)
>> +               dtb=bcm2837-rpi-3-b.dtb
>> +               ;;
>> +esac
>> +
>>  # Only run on configure to avoid unnecessary work.
>>  if [ -z "$1" ] || [ "$1" != "configure" ]; then
>>    exit 0
>> @@ -34,7 +46,7 @@ if [ -z "$latest_initrd" ]; then
>>    exit 0
>>  fi
>>
>> -latest_dtb="/usr/lib/linux-image-${latest_kernel#/boot/
>> vmlinuz-}/broadcom/bcm2837-rpi-3-b.dtb"
>> +latest_dtb="/usr/lib/linux-image-${latest_kernel#/boot/
>> vmlinuz-}/broadcom/${dtb}"
>>
>>  if [ ! -e "$latest_dtb" ]; then
>>    echo "raspi3-firmware: device tree file ${latest_dtb} does not exist,
>> cannot populate /boot/firmware"
>> @@ -49,10 +61,15 @@ latest_kernel_basename=$(basename "$latest_kernel")
>>  latest_initrd_basename=$(basename "$latest_initrd")
>>  latest_dtb_basename=$(basename "$latest_dtb")
>>
>> -cat >/boot/firmware/config.txt <<EOF
>> +if [ "arm64" = "$arch" ]; then
>> +       cat >/boot/firmware/config.txt <<EOF
>>  # Switch the CPU from ARMv7 into ARMv8 (aarch64) mode
>>  arm_control=0x200
>>
>> +EOF
>> +fi
>> +
>> +cat >/boot/firmware/config.txt <<EOF
>>  enable_uart=1
>>
>>  device_tree=${latest_dtb_basename}
>>
>>
>>
>> live well,
>>   vagrant
>>
>> p.s. FWIW, I also tested that u-boot works with the firmware from
>> raspi3-firmware.
>>
>
>
>
> -- 
> Best regards,
> Michael
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