Tom,
On 15/10/19 6:24 PM, 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/65JZXGT3Z6/
>
> Tested on top of Lokesh's tree:
> https://github.com/lokeshvutla/u-boot
> Branch: j721e-full-boot
>
> Changes in v2:
> 1. Added environment variables such that its easy to boot kernel from
>UFS.
> 2. Introduced an API to probe UFS devices individually.
> 3. Changed ti-j721e-ufs wrapper driver to UCLASS_MISC because its not
>really a UFS device driver.
>
> 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 (11):
> scsi: Simplify scsi_read()/_write()
> scsi: Add max_bytes_per_req 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
> env: ti: Add environment variables to boot from UFS
> configs: j721e_evm_a72: Enable configs for UFS
>
> MAINTAINERS |5 +
> arch/arm/dts/k3-j721e-main.dtsi | 24 +
> cmd/Kconfig |7 +
> cmd/Makefile|2 +-
> cmd/ufs.c | 37 +
> configs/j721e_evm_a72_defconfig |8 +-
> 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 | 71 ++
> drivers/ufs/ufs-uclass.c| 16 +
> drivers/ufs/ufs.c | 1968 +++
> drivers/ufs/ufs.h | 918 ++
> drivers/ufs/unipro.h| 270 +
> include/configs/j721e_evm.h |4 +-
> include/dm/uclass-id.h |1 +
> include/environment/ti/ufs.h| 33 +
> include/scsi.h |5 +
> include/ufs.h | 29 +
> 22 files changed, 3590 insertions(+), 47 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/environment/ti/ufs.h
> create mode 100644 include/ufs.h
>
Were you able to pick this up for the merge window?
Thanks,
Faiz
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