From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Anholt Subject: Re: [PATCH v2 0/8] Raspberry Pi 2 support. Date: Thu, 24 Dec 2015 16:01:40 -0800 Message-ID: <87lh8jqtuj.fsf@eliezer.anholt.net> References: <1450310115-22163-1-git-send-email-eric@anholt.net> <201512220011.32234.arnd@arndb.de> <20151222142045.GA29335@omega> <201512222223.52449.arnd@arndb.de> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============8825556399905071606==" Return-path: In-Reply-To: <201512222223.52449.arnd@arndb.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Arnd Bergmann , Alexander Aring Cc: Mark Rutland , devicetree@vger.kernel.org, Florian Fainelli , Jason Cooper , Scott Branden , Ian Campbell , Marc Zyngier , Ray Jui , linux-kernel@vger.kernel.org, Rob Herring , bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Kumar Gala , Thomas Gleixner , linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org --===============8825556399905071606== Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Arnd Bergmann writes: > On Tuesday 22 December 2015, Alexander Aring wrote: >> Later while booting the kernel hangs forever, the solution on my side >> was to enable: >>=20 >> CONFIG_HAVE_ARM_ARCH_TIMER >>=20 >> I think this doesn't use the BCM2835 timer anymore and some cortex-a7 >> related "generic timer", or? > > Right, but I don't see how that relates to the irqchip. Is the BCM2835 ti= mer > connected to a secondary irqchip, while the arch timer connects to the pr= imary GIC? The 2835 timer is a "peripheral", and connects to the second level irqchip, while the arm arch timer can give us per-cpu interrupts in the first level controller. --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCgAGBQJWfIdkAAoJELXWKTbR/J7onFsP/22O7LiNE9td9J010tDu1dIO SekNqS75oYDFjYq0ZL2Rw0kGATqFCkr1OpnIyI7da8qdFn6Pa3eFngu4FCQFMvMC /KmrZwHY4lEvxND/jS/MdzzNWurjrmfOLR6kc/MM1lU3tnmiKxD3gR2e3ZzuWTVp hZgXmI3wPZQuY4S0vWgVWpd2KSBtJlA7BRc37N24gUvORiVaUDLsezlaD7RIv59+ 8V2i8DCcgG9tkP1FfTuz+a1GN4aobolAtmGY/kAd87b2p+ji5s+ryc3t6i8V9V2g KnY9NSv0zrpC/UK3FtvRBDc74nmGktszlWmCYDRho5pj/dWZEkXMGVmUNXGhcvSj kGc4F4LVRTGI603Zku5ECWWXa6HdrTugTjcWVgtk2ZHJ7DkdVcUup9O/sPWhPNvo /veJSg87YIm8/+meqrGpx6S3Gb2d7VfwzXyu4+LFd7r0vxLWB03sz8RAi0Zt0tWS 3gip26HFohMvkftvyqjZYiIJ0TydaPSIOWmehXjuBTIQ3OAhgzPfNkt74oFbb5Px HfMmzrvRbE/pPp97kwM7PRa4Y0vurejOZ73BsYiC4ua+Z2ye17jwOd8BwgCkzWSx xlvmGhHEdXFvW5jGiCrA+oe5km72P3fi0KVezFVwg2NxSsIfhOZoKhIdtzchkSvu aEwsnioVzM/CFyzkBfin =LZ3M -----END PGP SIGNATURE----- --=-=-=-- --===============8825556399905071606== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============8825556399905071606==--