[U-Boot] [PATCH v9 0/9] Update SiFive Unleashed Drivers

Atish Patra Atish.Patra at wdc.com
Tue Jul 2 19:01:18 UTC 2019


On Tue, 2019-06-25 at 06:30 +0000, Anup Patel wrote:
> This series update SiFive Unleashed clock driver and Cadence MACB
> driver
> so that:
> 1. It is in sync with upstream Linux driver
> 2. It uses latest DT bindings as-per upstream Linux driver
> 
> With this series, we can now use latest DT bindings with U-Boot. I
> have
> tested SiFive Serial driver and Cadence MACB ethernet driver with
> this
> changes and both work fine.
> 
> The legacy FSBL will still pass DTB with older DT bindings which will
> break
> the updated SiFive Unleashed clock driver. To tackle this, we have
> embedded
> DTB in OpenSBI FW_PAYLOAD firmware for SiFive Unleashed so that
> OpenSBI will
> override and pass updated DTB to U-Boot.
> 
> The updated DTB passed by OpenSBI is in fact the DTB build by
> upstream Linux
> so we can straight away pass this DTB to Linux as well.
> 
> This series can be found in riscv_unleashed_clk_sync_v9 branch at:
> https://github.com/avpatel/u-boot.git
> 
> To try this series use latest OpenSBI at:
> https://github.com/riscv/opensbi.git
> And Linux-5.2-rc1 from v5.2-rc1_unleashed branch at:
> https://github.com/avpatel/linux.git
> 

I see the entire series has reviewed-by.
Can this be queued for 2019-07 release or it's too late?

If it can be queued, it will easier for distros to upgrade everything
at one shot. We can have all upstream boot flow for unleashed board.

OpenSBI (0.4) + Linux (5.2) + U-Boot (v2019-07)

> Changes since v8:
> - Removed probe() from macb_config for PATCH6
> - Renamed set_tx_clk() to clk_init() in macb_config for PATCH6
> 
> Changes since v7:
> - Update PATCH6 to not treat dma_burst_length = 0 as skip
> gmac_configure_dma()
> - Update PATCH9 to check endianess at runtime
> 
> Changes since v6:
> - Added separate patch to fix endianess check in gmac_configure_dma()
> 
> Changes since v5:
> - Addressed Ramon's comments in PATCH6
> - Addressed Bin's comments in PATCH7
> 
> Changes since v4:
> - Rebased patches upon Ramon's MACB changes
>   (Refer, https://patchwork.ozlabs.org/patch/1114025/)
> - Added PATCH7 to setup ethaddr based on board serial number read
> from OTP
> - Added PATCH8 to update documentation
> 
> Changes since v3:
> - Extend MACB ethernet driver for SiFive Unleashed board (just like
> Linux)
> 
> Changes since v2:
> - Dropped PATCH6 which adds new compatible string to MACB driver
> because
>   more changes are required in MACB driver for different ethernet
> speeds
> 
> Changes since v1:
> - Dropped GEMGXL clock driver
> - Added new compatible string for SiFive MACB ethernet
> 
> Anup Patel (9):
>   clk: sifive: Factor-out PLL library as separate module
>   clk: sifive: Sync-up WRPLL library with upstream Linux
>   clk: sifive: Sync-up DT bindings header with upstream Linux
>   clk: sifive: Sync-up main driver with upstream Linux
>   clk: sifive: Drop GEMGXL clock driver
>   net: macb: Extend MACB driver for SiFive Unleashed board
>   riscv: sifive: fu540: Setup ethaddr env variable using OTP
>   doc: sifive-fu540: Update README for stepsgit.denx.de/u-boot-
> riscv.git to create FW_PAYLOAD
>   net: macb: Fix check for little-endian system
> in  gmac_configure_dma()
> 
>  board/sifive/fu540/Kconfig                    |   1 -
>  board/sifive/fu540/fu540.c                    | 122 ++++++
>  configs/sifive_fu540_defconfig                |   1 +
>  doc/README.sifive-fu540                       | 356 ++++++++------
> ----
>  drivers/clk/Kconfig                           |   1 +
>  drivers/clk/Makefile                          |   1 +
>  drivers/clk/analogbits/Kconfig                |   4 +
>  drivers/clk/analogbits/Makefile               |   3 +
>  .../{sifive => analogbits}/wrpll-cln28hpc.c   | 168 ++++-----
>  drivers/clk/sifive/Kconfig                    |  10 -
>  drivers/clk/sifive/Makefile                   |   4 -
>  drivers/clk/sifive/fu540-prci.c               | 123 +++---
>  drivers/clk/sifive/gemgxl-mgmt.c              |  60 ---
>  drivers/net/macb.c                            |  82 ++--
>  include/dt-bindings/clk/sifive-fu540-prci.h   |  29 --
>  include/dt-bindings/clock/sifive-fu540-prci.h |  18 +
>  .../linux/clk}/analogbits-wrpll-cln28hpc.h    |  70 ++--
>  17 files changed, 543 insertions(+), 510 deletions(-)
>  create mode 100644 drivers/clk/analogbits/Kconfig
>  create mode 100644 drivers/clk/analogbits/Makefile
>  rename drivers/clk/{sifive => analogbits}/wrpll-cln28hpc.c (69%)
>  delete mode 100644 drivers/clk/sifive/gemgxl-mgmt.c
>  delete mode 100644 include/dt-bindings/clk/sifive-fu540-prci.h
>  create mode 100644 include/dt-bindings/clock/sifive-fu540-prci.h
>  rename {drivers/clk/sifive => include/linux/clk}/analogbits-wrpll-
> cln28hpc.h (52%)
> 
> --
> 2.17.1

-- 
Regards,
Atish


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