On Tue, 24 Apr 2012 21:56:45 +0200 Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> 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@xxxxxxxxxx> > > Cc: Felipe Balbi <balbi@xxxxxx> > > Cc: Arnd Bergmann <arnd@xxxxxxxx> > > --- > > 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? > 2. From the way you describe it above, this sounds like it should be some > kind of generic driver, which obtains the necessary settings to be > programmed into registers from (eg) DT. Agree. -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
