From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from na01-bl2-obe.outbound.protection.outlook.com (mail-bl2lp0205.outbound.protection.outlook.com [207.46.163.205]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 750DF1A0008 for ; Sat, 7 Jun 2014 06:47:52 +1000 (EST) Message-ID: <1402087652.6603.450.camel@snotra.buserror.net> Subject: Re: [linuxppc-release] [PATCH][v10] powerpc/mpc85xx:Add initial device tree support of T104x From: Scott Wood To: Liu Shengzhou-B36685 Date: Fri, 6 Jun 2014 15:47:32 -0500 In-Reply-To: References: <1398080069-3807-1-git-send-email-prabhakar@freescale.com> Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Cc: Aggrwal Poonam-B10812 , Jain Priyanka-B32167 , "linuxppc-dev@lists.ozlabs.org" , Kushwaha Prabhakar-B32579 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, 2014-06-06 at 00:04 -0500, Liu Shengzhou-B36685 wrote: > > > -----Original Message----- > > From: linuxppc-release-bounces@linux.freescale.net [mailto:linuxppc- > > release-bounces@linux.freescale.net] On Behalf Of Prabhakar Kushwaha > > Sent: Monday, April 21, 2014 7:34 PM > > To: linuxppc-dev@lists.ozlabs.org > > Cc: Wood Scott-B07421; Jain Priyanka-B32167; Aggrwal Poonam-B10812; > > Kushwaha Prabhakar-B32579 > > Subject: [linuxppc-release] [PATCH][v10] powerpc/mpc85xx:Add initial > > device tree support of T104x > > > > The QorIQ T1040/T1042 processor support four integrated 64-bit e5500 PA > > processor cores with high-performance data path acceleration architecture > > and network peripheral interfaces required for networking & > > telecommunications. > > > > + > > + iommu@20000 { > > + compatible = "fsl,pamu-v1.0", "fsl,pamu"; > > + reg = <0x20000 0x1000>; > > + ranges = <0 0x20000 0x1000>; > > + #address-cells = <1>; > > + #size-cells = <1>; > > + interrupts = < > > + 24 2 0 0 > > + 16 2 1 30>; > > + pamu0: pamu@0 { > > + reg = <0 0x1000>; > > + fsl,primary-cache-geometry = <128 1>; > > + fsl,secondary-cache-geometry = <16 2>; > > + }; > > > [Shengzhou] T1040 RM says: > Hardware coherent PAMU Look-aside caches to improve performance > * A 32-entry, direct-mapped primary PAACT cache > * A 128-entry, 2-way, set-associative secondary PAACT cache > It appears it should be: > fsl,primary-cache-geometry = <32 1>; > fsl,secondary-cache-geometry = <128 2>; > > is there any reason that it was "<128 1>, <16 2>" ? The B4 device trees are also suspicous. -Scott