# Re: \[RFC\]\[PATCH 0/3\] iommu/fsl: Freescale PAMU driver and IOMMU API implementation.

- From: Kumar Gala \<hidden\>
- Date: 2012-09-19 13:49:29 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2012/09/3925655
- Thread: https://ratatoskr.run/linuxppc-dev/2012/09/3925643/t.md

```text

On Sep 19, 2012, at 8:17 AM, [ref] =
[ref] wrote:

> From: Varun Sethi <redacted>
>=20
> This patchset provides the Freescale PAMU (Peripheral Access =
Management Unit) driver
> and the corresponding IOMMU API implementation. PAMU is the IOMMU =
present on Freescale
> QorIQ platforms. PAMU can authorize memory access, remap the memory =
address, and remap=20
> the I/O transaction type.
>=20
> This set consists of the following patches:
> 1. Addition of new field in the device (powerpc) archdata structure =
for storing iommu domain information
>   pointer. This pointer is stored when the device is attached to a =
particular iommu domain.
> 2. Addition of domain attributes required by the PAMU driver IOMMU =
API.
> 3. PAMU driver and IOMMU API implementation.
>=20
> Varun Sethi (3):
>  Store iommu domain information pointer in archdata.
>  Add iommu domain attributes required by fsl PAMU driver.
>  FSL PAMU driver and IOMMU API implementation.
>=20
> arch/powerpc/include/asm/device.h |    4 +
> drivers/iommu/Kconfig             |    7 +
> drivers/iommu/Makefile            |    1 +
> drivers/iommu/fsl_pamu.c          | 1033 =
+++++++++++++++++++++++++++++++++++++
> drivers/iommu/fsl_pamu.h          |  377 ++++++++++++++
> drivers/iommu/fsl_pamu_domain.c   |  990 =
+++++++++++++++++++++++++++++++++++
> drivers/iommu/fsl_pamu_domain.h   |   94 ++++
> drivers/iommu/fsl_pamu_proto.h    |   49 ++
> include/linux/iommu.h             |   30 ++
> 9 files changed, 2585 insertions(+), 0 deletions(-)
> create mode 100644 drivers/iommu/fsl_pamu.c
> create mode 100644 drivers/iommu/fsl_pamu.h
> create mode 100644 drivers/iommu/fsl_pamu_domain.c
> create mode 100644 drivers/iommu/fsl_pamu_domain.h
> create mode 100644 drivers/iommu/fsl_pamu_proto.h

I assume that another patch series will add device tree binding spec and =
update device trees for SoCs with PAMU?

- k
```