From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 91AF02C0085 for ; Tue, 19 Mar 2013 01:55:48 +1100 (EST) Subject: Re: [PATCH 5/6] powerpc/fsl-booke: Add B4_QDS board support Mime-Version: 1.0 (Apple Message framework v1278) Content-Type: text/plain; charset=us-ascii From: Kumar Gala In-Reply-To: Date: Mon, 18 Mar 2013 09:56:00 -0500 Message-Id: <6F89A437-E585-4426-8DA9-36B2D85BF590@kernel.crashing.org> References: <1363334109-21922-1-git-send-email-shaveta@freescale.com> <1363334109-21922-5-git-send-email-shaveta@freescale.com> <69F32D25-11C5-414D-A23A-AD25C9CCF9C6@kernel.crashing.org> To: Leekha Shaveta-B20052 Cc: "linuxppc-dev@lists.ozlabs.org" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mar 18, 2013, at 1:28 AM, Leekha Shaveta-B20052 wrote: >=20 >=20 > -----Original Message----- > From: Kumar Gala [mailto:galak@kernel.crashing.org]=20 > Sent: Friday, March 15, 2013 9:28 PM > To: Leekha Shaveta-B20052 > Cc: linuxppc-dev@lists.ozlabs.org > Subject: Re: [PATCH 5/6] powerpc/fsl-booke: Add B4_QDS board support >=20 >=20 > On Mar 15, 2013, at 2:55 AM, Shaveta Leekha wrote: >=20 >> - Add support for B4 board's personalities in board file b4_qds.c, = It=20 >> is common for B4 personalities B4860 and B4420QDS >> - Add B4QDS support in Kconfig and Makefile >=20 > Code also references a B4220, what about it? > [SL] I have added the basic support for it in board file as it's one = of the personality of > B4, missed it in description. But device trees for this has not been = created and tested. > So what do you suggest here: > Should I add it here in B4 board support or should I remove its = references altogether? What's the difference between B4220 and B4420 or B4860? - k >=20 >>=20 >> B4860QDS is a high-performance computing evaluation, development and=20= >> test platform supporting the B4860 QorIQ Power Architecture = processor,=20 >> with following major features: >>=20 >> - Four dual-threaded e6500 Power Architecture processors >> organized in one cluster-each core runs up to 1.8 GHz >> - Two DDR3/3L controllers for high-speed memory interface each >> runs at up to 1866.67 MHz >> - CoreNet fabric that fully supports coherency using MESI protocol >> between the e6500 cores, SC3900 FVP cores, memories and >> external interfaces. >> - Data Path Acceleration Architecture having FMAN, QMan, BMan, SEC = 5.3 and RMAN >> - Large internal cache memory with snooping and stashing = capabilities >> - Sixteen 10-GHz SerDes lanes that serve: >> - Two SRIO interfaces. Each supports up to 4 lanes and >> a total of up to 8 lanes >> - Up to 8-lanes Common Public Radio Interface (CPRI) controller >> for glue-less antenna connection >> - Two 10-Gbit Ethernet controllers (10GEC) >> - Six 1G/2.5-Gbit Ethernet controllers for network = communications >> - PCI Express controller >> - Debug (Aurora) >> - Various system peripherals >>=20 >> B4420 is a reduced personality of B4860 with fewer core/clusters(both=20= >> SC3900 and e6500), fewer DDR controllers, fewer serdes lanes, fewer = SGMII interfaces and reduced target frequencies. >>=20 >> Key differences between B4860 and B4420: >> B4420 has: >> - Fewer e6500 cores: >> 1 cluster with 2 e6500 cores >> - Fewer SC3900 cores/clusters: >> 1 cluster with 2 SC3900 cores per cluster >> - Single DDRC >> - 2X 4 lane serdes >> - 3 SGMII interfaces >> - no sRIO >> - no 10G >>=20 >> Signed-off-by: Shaveta Leekha >> --- >> arch/powerpc/platforms/85xx/Kconfig | 16 +++++ >> arch/powerpc/platforms/85xx/Makefile | 1 + >> arch/powerpc/platforms/85xx/b4_qds.c | 102=20 >> ++++++++++++++++++++++++++++++++++ >> 3 files changed, 119 insertions(+), 0 deletions(-) create mode 100644=20= >> arch/powerpc/platforms/85xx/b4_qds.c