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From: Fabio Estevam <festevam@gmail.com>
To: Anson Huang <Anson.Huang@nxp.com>
Cc: "linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Russell King - ARM Linux <linux@armlinux.org.uk>,
	"robh+dt@kernel.org" <robh+dt@kernel.org>,
	Sascha Hauer <kernel@pengutronix.de>,
	Fabio Estevam <fabio.estevam@nxp.com>,
	Shawn Guo <shawnguo@kernel.org>
Subject: Re: [PATCH 0/3] Add SMP support for i.MX7D
Date: Fri, 26 Aug 2016 09:43:08 -0300	[thread overview]
Message-ID: <CAOMZO5DaL+CKQe0hOHi_Kv8Vt9y0RHyERS8ek78WebxFmjj9rg@mail.gmail.com> (raw)
In-Reply-To: <1472209971-32469-1-git-send-email-Anson.Huang@nxp.com>

Hi Anson,

On Fri, Aug 26, 2016 at 8:12 AM, Anson Huang <Anson.Huang@nxp.com> wrote:
> i.MX7D has 2 Cortex-A7 ARM cores, and it has a different GPC design
> than i.MX6, so this patch set adds a new GPCV2 driver for i.MX7D,
> and also adds runtime check in SMP code to support both Cortex-A9
> and Cortex-A7 ARM cores.
>
> With this patch set, i.MX7D can boot up SMP kernel with 2 CPUs.

Currently mx7d can boot the 2 CPUs if you use PSCI in the bootloader.

Give mainline U-Boot a try and it will boot the 2 CPUs via PSCI.

There was an attempt to add gpcv2 support at:
https://patchwork.kernel.org/patch/6919831/

, and Shawn suggested to go to the PSCI approach.

PSCI for mx7 is still missing suspend support though.

Regards,

Fabio Estevam

  parent reply	other threads:[~2016-08-26 12:43 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-26 11:12 [PATCH 0/3] Add SMP support for i.MX7D Anson Huang
2016-08-26 11:12 ` [PATCH 1/3] ARM: dts: imx7: support SMP boot up Anson Huang
2016-08-26 11:12 ` [PATCH 2/3] ARM: imx: add gpcv2 support Anson Huang
2016-08-26 11:17   ` Russell King - ARM Linux
2016-08-26 12:25     ` Yongcai Huang
2016-08-26 11:12 ` [PATCH 3/3] ARM: imx: add SMP support for i.MX7D Anson Huang
2016-08-26  8:59   ` Arnd Bergmann
2016-08-26 10:28     ` Yongcai Huang
2016-08-26 11:13   ` Russell King - ARM Linux
2016-08-26 12:20     ` Yongcai Huang
2016-08-26 12:35       ` Russell King - ARM Linux
2016-08-26 13:48       ` Arnd Bergmann
2016-08-26 13:00   ` kbuild test robot
2016-08-26 12:43 ` Fabio Estevam [this message]
2016-08-26 13:02   ` [PATCH 0/3] Add " Yongcai Huang

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