From mboxrd@z Thu Jan 1 00:00:00 1970 From: Khiem Nguyen Subject: Re: [PATCH 2/3] arm64: dts: r8a7795: Add Cortex-A57 CPU cores Date: Wed, 16 Mar 2016 10:45:10 +0700 Message-ID: <56E8D6C6.2000306@rvc.renesas.com> References: <1449236333-4410-1-git-send-email-dirk.behme@gmail.com> <1449236333-4410-2-git-send-email-dirk.behme@gmail.com> <20151211230751.GD6496@verge.net.au> <566FD3EE.8040908@gmail.com> <20160316011901.GB23687@verge.net.au> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160316011901.GB23687@verge.net.au> Sender: linux-sh-owner@vger.kernel.org To: Simon Horman , Dirk Behme , Magnus Damm Cc: SH-Linux , Geert Uytterhoeven , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Gaku Inami , Takeshi Kihara , Khiem Nguyen , Toru Oishi List-Id: devicetree@vger.kernel.org Hi Simon, Dirk, Magnus, On 3/16/2016 8:19 AM, Simon Horman wrote: > Hi Dirk, > > On Tue, Dec 15, 2015 at 09:48:46AM +0100, Dirk Behme wrote: >> On 15.12.2015 09:38, Magnus Damm wrote: >>> Hi Simon, >>> >>> On Sat, Dec 12, 2015 at 8:07 AM, Simon Horman wrote: >>>> On Fri, Dec 04, 2015 at 02:38:52PM +0100, Dirk Behme wrote: >>>>> From: Gaku Inami >>>>> >>>>> Add Cortex-A57 CPU cores to r8a7795 SoC for a total of 4 x Cortex-A57. >>>>> >>>>> Signed-off-by: Gaku Inami >>>>> Signed-off-by: Takeshi Kihara >>>>> Sigend-off-by: Dirk Behme >>>> >>>> Thanks, I have queued this up for v4.5. >>> >>> Thanks. May I ask if CPU hotplug is known to work? >> >> >> I didn't test that. > > As a follow-up I am wondering if you subsequently observed CPU hotplug > working. My recent testing on v4.5 indicates that it isn't working in my > environment. It would be quite valuable to know if it has ever been known > to work. > >>> Also, which version >>> of the boot loader stack is required? Yes. CPUHotplug will be supported in boot loader stack released by Dec 2015 and later. >> >> I've the U-Boot / boot loader stack from BSP v3.0.2 on the board. I haven't >> tested v3.0.3, yet. > > For reference my environment is as follows: > > > NOTICE: BL2: R-Car H3 Loader Rev.1.0.1 > NOTICE: BL2: DDR1600(rev.0.10) > NOTICE: BL2: DRAM Split is 4ch > NOTICE: BL2: QoS is Gfx Oriented(rev.0.24A) > NOTICE: BL2: v1.1(release):41099f4 > NOTICE: BL2: Built : 11:47:26, Nov 19 2015 > NOTICE: BL2: Normal boot > NOTICE: BL2: memdrv_block_read dst=0xe630e0b0 src=0x8180000 len=36(0x24) > NOTICE: BL2: memdrv_block_read dst=0x43f00000 src=0x8180400 len=3072(0xc00) > NOTICE: BL2: memdrv_block_read dst=0x44000000 src=0x81c0000 len=65536(0x10000) > NOTICE: BL2: memdrv_block_read dst=0x44100000 src=0x8200000 len=524288(0x80000) > NOTICE: BL2: memdrv_block_read dst=0x49000000 src=0x8640000 len=1048576(0x100000) > > U-Boot 2015.04 (Nov 19 2015 - 11:47:49) > > CPU: Renesas Electronics CPU rev 1.0 > Board: Salvator-X > DRAM: 896 MiB > MMC: sh-sdhi: 0, sh-sdhi: 1, sh-sdhi: 2 > In: serial > Out: serial > Err: serial > Net: ravb > -- > To unsubscribe from this list: send the line "unsubscribe linux-sh" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Best regards, KHIEM Nguyen