[U-Boot] [PATCH v2 05/11] ufs: Add Initial Support for UFS subsystem

[Bin Meng]

+Simon

On Tue, Oct 15, 2019 at 8:59 PM Faiz Abbas <faiz_abbas at ti.com> wrote:
>
> Add Support for UFS Host Controller Interface (UFSHCI) for communicating
> with Universal Flash Storage (UFS) devices. The steps to initialize the
> host controller interface are the following:
>
> - Initiate the Host Controller Initialization process by writing to the
> Host controller enable register.
> - Configure the Host Controller base address registers by allocating a
> host memory space and related data structures.
> - Unipro link startup procedure
> - Check for connected device
> - Configure UFS host controller to process requests
>
> Also register this host controller as a SCSI host controller.
>
> Taken from Linux Kernel v5.2 (drivers/scsi/ufs/ufshcd.c) and ported to
> U-boot.

nits: U-Boot

>
> Signed-off-by: Faiz Abbas <faiz_abbas at ti.com>
> ---
>  MAINTAINERS              |    5 +
>  drivers/Kconfig          |    2 +
>  drivers/Makefile         |    1 +
>  drivers/ufs/Kconfig      |    9 +
>  drivers/ufs/Makefile     |    6 +
>  drivers/ufs/ufs-uclass.c |   16 +
>  drivers/ufs/ufs.c        | 1968 ++++++++++++++++++++++++++++++++++++++
>  drivers/ufs/ufs.h        |  918 ++++++++++++++++++
>  drivers/ufs/unipro.h     |  270 ++++++
>  include/dm/uclass-id.h   |    1 +
>  include/ufs.h            |   29 +
>  11 files changed, 3225 insertions(+)
>  create mode 100644 drivers/ufs/Kconfig
>  create mode 100644 drivers/ufs/Makefile
>  create mode 100644 drivers/ufs/ufs-uclass.c
>  create mode 100644 drivers/ufs/ufs.c
>  create mode 100644 drivers/ufs/ufs.h
>  create mode 100644 drivers/ufs/unipro.h
>  create mode 100644 include/ufs.h
>

I think we will need a sandbox ufs driver and test cases for testing dm ufs.

Regards,
Bin