From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dinh Nguyen Subject: Re: [PATCH 3/3] ARM: dts: socfpga: memreserve first 4KB for SMP code Date: Thu, 14 Aug 2014 15:56:53 -0500 Message-ID: <53ED2295.3020700@opensource.altera.com> References: <1408031491-15609-1-git-send-email-dinguyen@opensource.altera.com> <1408031491-15609-4-git-send-email-dinguyen@opensource.altera.com> <20140814185432.GE11558@amd.pavel.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20140814185432.GE11558-tWAi6jLit6GreWDznjuHag@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Pavel Machek Cc: dinh.linux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, atull-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org, tthayer-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org, vbridger-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org On 8/14/14, 1:54 PM, Pavel Machek wrote: > On Thu 2014-08-14 10:51:31, dinguyen-yzvPICuk2ABMcg4IHK0kFoH6Mc4MB0Vx@public.gmane.org wrote: >> From: Dinh Nguyen >> >> The SOCFPGA's SMP code uses 0x0 for as the location for the trampoline to >> bring secondary cores online. This patch adds a /memreserve/ section to >> reserve the first 4K for the SMP trampoline code. >> >> Signed-off-by: Dinh Nguyen >> --- >> arch/arm/boot/dts/socfpga_arria5.dtsi | 1 + >> arch/arm/boot/dts/socfpga_cyclone5.dtsi | 1 + >> 2 files changed, 2 insertions(+) >> >> diff --git a/arch/arm/boot/dts/socfpga_arria5.dtsi b/arch/arm/boot/dts/socfpga_arria5.dtsi >> index 468fc4c..73b939e 100644 >> --- a/arch/arm/boot/dts/socfpga_arria5.dtsi >> +++ b/arch/arm/boot/dts/socfpga_arria5.dtsi >> @@ -15,6 +15,7 @@ >> */ >> >> /dts-v1/; >> +/memreserve/ 0x00000000 0x0001000; > > Actually, comment here explaining that ROM code uses 0x0 for the > trampoline would be nice here... if I understand it correctly. Sure...I'll add a single line comment. Dinh > > Thanks, > Pavel > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html