[Buildroot] Support for BCM953012HR board?

Rafał Miłecki zajec5 at gmail.com
Thu Jan 14 17:26:15 UTC 2021


On Thu, 14 Jan 2021 at 18:17, scd rjcom <scdrjcom at gmail.com> wrote:
> On Thu, Jan 14, 2021 at 5:54 AM Rafał Miłecki <zajec5 at gmail.com> wrote:
>> On Thu, 14 Jan 2021 at 02:22, scdrj <scdrjcom at gmail.com> wrote:
>> > How do I build the images for BCM953012HR (Broadcom Northstar Reference
>> > board)?
>>
>> I took care of adding upstream Linux support for a few Northstar hw
>> components. Current support is quite complete except for:
>> 1. Hardware NAT acceleration
>> 2. Broadcom SoftMAC wireless chipsets
>>
>> I planned to add buildroot support for Northstar boards but it takes
>> many months to get my patches reviewed.
>>
>> My initial WiFi firmware patch was accepted after 5 months:
>> [PATCH] package/linux-firmware: add options for Broadcom BCM4366
>> Currently I'm waiting for lzma-alone decision:
>> [PATCH] package/lzma-alone: new package
>>
>> Once I get lzma-alone somehow merged I'm planning to add Northstar
>> boards support.
>>
>> Until that you can check OpenWrt project. It has target called
>> "bcm53xx" that handles Northstar devices. There are only few
>> downstream patches needed to get those devices running:
>> https://git.openwrt.org/?p=openwrt/openwrt.git;a=tree;f=target/linux/bcm53xx/patches-5.4;hb=HEAD
>>
>> --
>> Rafał
>
>
> Thanks for your valuable suggestion. I have checked the targets supported by openwrt for Northstar processors. It provides kernel and rootfs builds for Northstar based boards. (tried MR32)
> I am unable to find the u-boot build for the Northstar based SoCs. How do I enable the u-boot build as well for any of these boards?

I've never seen Northstar device using u-boot. I heard about some
rough plans for porting u-boot to it, but I thought they got abonded.

Can you provide bootloader log from your board?


> It would be great to see the support for Northstar boards in the buildroot as well.

-- 
Rafał


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