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

[Tom Rini]

On Wed, Oct 23, 2019 at 10:20:06PM +0800, Bin Meng wrote:
> +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.

I would also like to see that, but think we can do that in a follow-up.

-- 
Tom
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