On 10/07/2011 12:09 PM, Kukjin Kim wrote: > From: KyongHo Cho<pullip.cho@xxxxxxxxxxx> > > This is the System MMU driver and IOMMU API implementation for > Exynos SOC platforms. Exynos platforms has more than 10 System > MMUs dedicated for each multimedia accellerators. > > The System MMU driver is already in arc/arm/plat-s5p but it is > moved to drivers/iommu due to Ohad Ben-Cohen gathered IOMMU drivers > there > > This patch also includes fault handling feature in IOMMU driver > suggested by Ohad. > Users of IOMMU API can register its own fault handler with > iommu_set_fault_handler() and the handler is called by IRQ handler > of System MMU. > If no user installs fault handler, IOMMU driver prints debugging > message and generates kernel oops. > > This IOMMU driver calls bus_set_iommu() instead of register_iommu() > since Joerg suggested that installing iommu_ops in bus_type. > > Cc: Joerg Roedel<joerg.roedel@xxxxxxx> > Cc: Ohad Ben-Cohen<ohad@xxxxxxxxxx> > Signed-off-by: KyongHo Cho<pullip.cho@xxxxxxxxxxx> > Signed-off-by: Kukjin Kim<kgene.kim@xxxxxxxxxxx> > --- > NOTE: Since previous sending has problem, I'm re-sending. > Sorry, please kindly ignore previous one. > > arch/arm/plat-s5p/Kconfig | 14 - > arch/arm/plat-s5p/Makefile | 1 - > arch/arm/plat-s5p/sysmmu.c | 312 --------- > arch/arm/plat-samsung/include/plat/sysmmu.h | 95 --- > drivers/iommu/Kconfig | 14 + > drivers/iommu/Makefile | 1 + > drivers/iommu/exynos_iommu.c | 963 +++++++++++++++++++++++++++ > 7 files changed, 978 insertions(+), 422 deletions(-) > delete mode 100644 arch/arm/plat-s5p/sysmmu.c > delete mode 100644 arch/arm/plat-samsung/include/plat/sysmmu.h > create mode 100644 drivers/iommu/exynos_iommu.c > > diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig > index 7b9dada..fa374cc 100644 > --- a/arch/arm/plat-s5p/Kconfig > +++ b/arch/arm/plat-s5p/Kconfig > @@ -46,20 +46,6 @@ config S5P_PM > Common code for power management support on S5P and newer SoCs > Note: Do not select this for S5P6440 and S5P6450. > > -comment "System MMU" > - > -config S5P_SYSTEM_MMU > - bool "S5P SYSTEM MMU" > - depends on ARCH_EXYNOS4 > - help > - Say Y here if you want to enable System MMU > - > -config S5P_SLEEP > - bool > - help > - Internal config node to apply common S5P sleep management code. > - Can be selected by S5P and newer SoCs with similar sleep procedure. > - Is S5P_SLEEP being removed intentionally ? It doesn't seem to belong here. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
 |