Hello, On Sun, Nov 13, 2011 at 1:04 PM, Ming Lei <tom.leiming@xxxxxxxxx> wrote: > Just be curious, is it a generic IOMMU so that it can be used by all IO > peripherals in OMAP4? No, it's a dedicated iommu for the DSP and dual-M3 subsystems. > From related source code[1] and OMAP4 TRM[2], looks like the omap iommu > only belongs to Cortex-M3 MPU subsystem inside OMAP4 chip, so I am wondering > why introduces the driver for arm v7 based linux kernel... Because we control the iommus from the A9 (which is running Linux..) :) Ohad. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html