On Mon, Sep 09, 2019 at 01:49:49PM +0530, Faiz Abbas wrote: > The following patches add support for the Universal Flash Storage (UFS) > subsystem and its implementation on TI's J721e platform. > > The UFS Application Layer (UAP) uses SCSI SAM-4 command set for > communication with the device. Therefore, the first 4 patches prepare > the scsi layer for compatibility with UFS. Patch 9 also adds support for > initializing and configuring the device from the U-boot command line. > > The UFS Transport Protocol Layer (UTP) and UFS Interconnect Layer (UIC) > are implemented with patch 5. This series only adds support for > detect and read/write operations to the LUNs present in the remote > device. Task Management operations and configuration of LUNs will be > added in a future series. > > Patches 6 through 10 add platform driver, device tree and config support > for TI's J721E devices. > > Log: https://pastebin.ubuntu.com/p/fTPZsxNjZM/ > > Tested on top of Lokesh's tree: > https://github.com/lokeshvutla/u-boot > Branch: j721e-full-boot > > References: > > [1] JESD220D UFS 3.0: > https://www.jedec.org/standards-documents/docs/jesd220c > [2] JESD223D UFS Host Controller Interface (UFSHCI) version 3.0: > https://www.jedec.org/standards-documents/docs/jesd223c > > Faiz Abbas (10): > scsi: Simplify scsi_read()/_write() > scsi: Add max_bytes to scsi_platdata > scsi: Retry inquiry 3 times to overcome Unit Attention condition > scsi: Add dma direction member to command structure > ufs: Add Initial Support for UFS subsystem > ufs: Add Support for Cadence platform UFS driver > ufs: Add glue layer driver for TI J721E devices > arm: dts: k3-j721e-main: Add UFS nodes > cmd: Add Support for UFS commands > configs: j721e_evm_a72: Enable configs for UFS > > arch/arm/dts/k3-j721e-main.dtsi | 25 + > cmd/Kconfig | 7 + > cmd/Makefile | 2 +- > cmd/ufs.c | 28 + > configs/j721e_evm_a72_defconfig | 7 +- > drivers/Kconfig | 2 + > drivers/Makefile | 1 + > drivers/scsi/scsi.c | 83 +- > drivers/ufs/Kconfig | 23 + > drivers/ufs/Makefile | 8 + > drivers/ufs/cdns-platform.c | 122 ++ > drivers/ufs/ti-j721e-ufs.c | 75 ++ > drivers/ufs/ufs-uclass.c | 16 + > drivers/ufs/ufs.c | 1973 +++++++++++++++++++++++++++++++ > drivers/ufs/ufs.h | 918 ++++++++++++++ > drivers/ufs/unipro.h | 270 +++++ > include/dm/uclass-id.h | 1 + > include/scsi.h | 4 + > include/ufs.h | 7 + > 19 files changed, 3526 insertions(+), 46 deletions(-) > create mode 100644 cmd/ufs.c > create mode 100644 drivers/ufs/Kconfig > create mode 100644 drivers/ufs/Makefile > create mode 100644 drivers/ufs/cdns-platform.c > create mode 100644 drivers/ufs/ti-j721e-ufs.c > 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'm glad to see this support coming, it's something we need. Would you be willing to list yourself as the maintainer in the top-level MAINTAINER file for drivers/ufs at least? Thanks! -- Tom
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