Hi, On Wed, Apr 23, 2014 at 07:46:20PM -0400, Santosh Shilimkar wrote: > From: Sandeep Nair <sandeep_n@xxxxxx> > > The QMSS (Queue Manager Sub System) found on Keystone SOCs is one of > the main hardware sub system which forms the backbone of the Keystone > Multi-core Navigator. QMSS consist of queue managers, packed-data structure > processors(PDSP), linking RAM, descriptor pools and infrastructure > Packet DMA. > > The Queue Manager is a hardware module that is responsible for accelerating > management of the packet queues. Packets are queued/de-queued by writing or > reading descriptor address to a particular memory mapped location. The PDSPs > perform QMSS related functions like accumulation, QoS, or event management. > Linking RAM registers are used to link the descriptors which are stored in > descriptor RAM. Descriptor RAM is configurable as internal or external memory. > > The QMSS driver manages the PDSP setups, linking RAM regions, > queue pool management (allocation, push, pop and notify) and descriptor > pool management. The specifics on the device tree bindings for > QMSS can be found in: > Documentation/devicetree/bindings/soc/keystone-navigator-qmss.txt > > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Cc: Kumar Gala <galak@xxxxxxxxxxxxxx> > Cc: Olof Johansson <olof@xxxxxxxxx> > Cc: Arnd Bergmann <arnd@xxxxxxxx> > Cc: Grant Likely <grant.likely@xxxxxxxxxx> > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > Cc: Mark Rutland <mark.rutland@xxxxxxx> > Signed-off-by: Sandeep Nair <sandeep_n@xxxxxx> > Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> > --- > drivers/Kconfig | 2 + > drivers/soc/Kconfig | 2 + > drivers/soc/Makefile | 5 + > drivers/soc/ti/Kconfig | 21 + > drivers/soc/ti/Makefile | 4 + > drivers/soc/ti/knav_qmss.h | 386 ++++++++ > drivers/soc/ti/knav_qmss_acc.c | 591 +++++++++++++ > drivers/soc/ti/knav_qmss_queue.c | 1814 ++++++++++++++++++++++++++++++++++++++ > include/linux/soc/ti/knav_qmss.h | 90 ++ > 9 files changed, 2915 insertions(+) > create mode 100644 drivers/soc/Makefile > create mode 100644 drivers/soc/ti/Kconfig > create mode 100644 drivers/soc/ti/Makefile > create mode 100644 drivers/soc/ti/knav_qmss.h > create mode 100644 drivers/soc/ti/knav_qmss_acc.c > create mode 100644 drivers/soc/ti/knav_qmss_queue.c > create mode 100644 include/linux/soc/ti/knav_qmss.h > > diff --git a/drivers/Kconfig b/drivers/Kconfig > index 0e87a34..8993913 100644 > --- a/drivers/Kconfig > +++ b/drivers/Kconfig > @@ -148,6 +148,8 @@ source "drivers/remoteproc/Kconfig" > > source "drivers/rpmsg/Kconfig" > > +source "drivers/soc/Kconfig" This hunk was already in patch one but in a different offset in this file. -- balbi
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