On Mar 18, 2013, at 1:28 AM, Leekha Shaveta-B20052 wrote: > > > -----Original Message----- > From: Kumar Gala [mailto:ga...@kernel.crashing.org] > 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 > > > On Mar 15, 2013, at 2:55 AM, Shaveta Leekha wrote: > >> - Add support for B4 board's personalities in board file b4_qds.c, It >> is common for B4 personalities B4860 and B4420QDS >> - Add B4QDS support in Kconfig and Makefile > > 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 > >> >> B4860QDS is a high-performance computing evaluation, development and >> test platform supporting the B4860 QorIQ Power Architecture processor, >> with following major features: >> >> - 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 >> >> B4420 is a reduced personality of B4860 with fewer core/clusters(both >> SC3900 and e6500), fewer DDR controllers, fewer serdes lanes, fewer SGMII >> interfaces and reduced target frequencies. >> >> 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 >> >> Signed-off-by: Shaveta Leekha <shav...@freescale.com> >> --- >> arch/powerpc/platforms/85xx/Kconfig | 16 +++++ >> arch/powerpc/platforms/85xx/Makefile | 1 + >> arch/powerpc/platforms/85xx/b4_qds.c | 102 >> ++++++++++++++++++++++++++++++++++ >> 3 files changed, 119 insertions(+), 0 deletions(-) create mode 100644 >> arch/powerpc/platforms/85xx/b4_qds.c _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
