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From: Martin Michlmayr <tbm-R+vWnYXSFMfQT0dZR+AlfA@public.gmane.org>
To: Mikko Perttunen <cyndis-/1wQRMveznE@public.gmane.org>
Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Vagrant Cascadian
	<vagrant-8fiUuRrzOP0dnm+yROfE0A@public.gmane.org>
Subject: Re: Only 1 CPU on Jetson TX1
Date: Sun, 26 Mar 2017 15:49:12 -0700	[thread overview]
Message-ID: <20170326224912.GD4723@jirafa.cyrius.com> (raw)
In-Reply-To: <6da81dbc-b070-da0f-1589-ec2cb8f453d5-/1wQRMveznE@public.gmane.org>

* Mikko Perttunen <cyndis-/1wQRMveznE@public.gmane.org> [2017-03-25 10:32]:
> It appears you need to have
> 
>   fdt_copy_node_names=/cpus:/psci
>   fdt_copy_src_addr=0x83080000
> 
> in your U-Boot configuration. This is documented somewhere in the middle of
> http://elinux.org/Jetson/TX1_Upstream_Kernel.

I can confirm that this works with u-boot from L4T R24.2.1.

However, it doesn't work with mainling u-boot (grepping for fdt_copy_
doesn't show anything in the source code).

Does anyone know how to get all 4 CPUs working with mainline u-boot?
-- 
Martin Michlmayr
http://www.cyrius.com/

  parent reply	other threads:[~2017-03-26 22:49 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-23  0:11 Only 1 CPU on Jetson TX1 Martin Michlmayr
     [not found] ` <20170323001131.GA7507-IRMp5PtgtdoigzW5ZibpNwC/G2K4zDHf@public.gmane.org>
2017-03-25  8:32   ` Mikko Perttunen
     [not found]     ` <6da81dbc-b070-da0f-1589-ec2cb8f453d5-/1wQRMveznE@public.gmane.org>
2017-03-26 22:49       ` Martin Michlmayr [this message]
     [not found]         ` <20170326224912.GD4723-IRMp5PtgtdoigzW5ZibpNwC/G2K4zDHf@public.gmane.org>
2017-03-27 15:39           ` Stephen Warren
     [not found]             ` <fe29c677-584f-fd1f-d2f8-ff29c8bebf9c-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2017-03-27 16:04               ` Jon Hunter
2017-03-27 16:58               ` Thierry Reding
     [not found]                 ` <20170327165824.GA10278-EkSeR96xj6Pcmrwk2tT4+A@public.gmane.org>
2017-03-27 17:03                   ` Stephen Warren

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