[PATCH 3/4][v2] powerpc/fsl-booke: Add B4_QDS board support

Kumar Gala galak at kernel.crashing.org
Thu Apr 11 01:17:56 EST 2013


On Apr 5, 2013, at 1:33 AM, Shaveta Leekha wrote:

> - Add support for B4 board in board file b4_qds.c,
>  It is common for B4860, B4420 and B4220QDS as they share same QDS board
> - Add B4QDS support in Kconfig and Makefile
> 
> 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 and B4220 have some differences in comparison to 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 @ 1.6GHz
>    - 2 X 4 lane serdes
>    - 3 SGMII interfaces
>    - no sRIO
>    - no 10G
> 
> Key differences between B4860 and B4220:
> B4220 has:
>    - Fewer e6500 cores:
>        1 cluster with 1 e6500 core
>    - Fewer SC3900 cores/clusters:
>        1 cluster with 2 SC3900 cores per cluster
>    - Single DDRC @ 1.33GHz
>    - 2 X 2 lane serdes
>    - 2 SGMII interfaces
>    - no sRIO
>    - no 10G
> 
> Signed-off-by: Shaveta Leekha <shaveta at freescale.com>
> ---
> v2: lines of commit message wrapped at 75 chars max
> 
> arch/powerpc/platforms/85xx/Kconfig  |   17 ++++++
> arch/powerpc/platforms/85xx/Makefile |    1 +
> arch/powerpc/platforms/85xx/b4_qds.c |  102 ++++++++++++++++++++++++++++++++++
> 3 files changed, 120 insertions(+), 0 deletions(-)
> create mode 100644 arch/powerpc/platforms/85xx/b4_qds.c

applied to next

- k


More information about the Linuxppc-dev mailing list