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_ab...@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_ab...@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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