[PATCH v2 1/3] ARM: tegra: Add AHB driver

Felipe Balbi balbi at ti.com
Wed Apr 25 03:46:41 EDT 2012


On Wed, Apr 25, 2012 at 08:37:47AM +0300, Hiroshi Doyu wrote:
> On Tue, 24 Apr 2012 21:56:45 +0200
> Russell King - ARM Linux <linux at arm.linux.org.uk> wrote:
> 
> > On Tue, Apr 24, 2012 at 03:05:14PM +0300, Hiroshi DOYU wrote:
> > > The AHB Bus conforms to the AMBA Specification (Rev 2.0) Advanced
> > > High-performance Bus (AHB) architecture.
> > > 
> > > The AHB Arbiter controls AHB bus master arbitration. This effectively
> > > forms a second level of arbitration for access to the memory
> > > controller through the AHB Slave Memory device. The AHB pre-fetch
> > > logic can be configured to enhance performance for devices doing
> > > sequential access. Each AHB master is assigned to either the high or
> > > low priority bin. Both Tegra20/30 have this AHB bus.
> > > 
> > > Signed-off-by: Hiroshi DOYU <hdoyu at nvidia.com>
> > > Cc: Felipe Balbi <balbi at ti.com>
> > > Cc: Arnd Bergmann <arnd at arndb.de>
> > > ---
> > > Update:
> > > - Use platform_device to get info from dt dynamically.(Felipe/Arnd)
> > > ---
> > >  arch/arm/mach-tegra/Makefile    |    1 +
> > >  arch/arm/mach-tegra/tegra-ahb.c |  285 +++++++++++++++++++++++++++++++++++++++
> > >  2 files changed, 286 insertions(+), 0 deletions(-)
> > 
> > 1. I thought we weren't going to have any more drivers under
> >    arch/arm
> 
> Can this driver be located under "drivers/misc"? Or is there any better place?

maybe drivers/platform/arm/ ??

-- 
balbi
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