[U-Boot] [PATCH v5 00/15] SiFive FU540 Support

Anup Patel Anup.Patel at wdc.com
Sat Feb 9 05:59:12 UTC 2019



> -----Original Message-----
> From: Anup Patel
> Sent: Tuesday, February 5, 2019 6:34 PM
> To: Rick Chen <rick at andestech.com>; Bin Meng <bmeng.cn at gmail.com>;
> Joe Hershberger <joe.hershberger at ni.com>; Michal Simek
> <monstr at monstr.eu>; Michal Simek <michal.simek at xilinx.com>; Lukas Auer
> <lukas.auer at aisec.fraunhofer.de>; Masahiro Yamada
> <yamada.masahiro at socionext.com>; Simon Glass <sjg at chromium.org>
> Cc: Alexander Graf <agraf at suse.de>; Palmer Dabbelt <palmer at sifive.com>;
> Paul Walmsley <paul.walmsley at sifive.com>; Atish Patra
> <Atish.Patra at wdc.com>; Anup Patel <Anup.Patel at wdc.com>; Christoph
> Hellwig <hch at infradead.org>; U-Boot Mailing List <u-boot at lists.denx.de>
> Subject: [PATCH v5 00/15] SiFive FU540 Support
> 
> This patchset adds SiFive Freedom Unleashed (FU540) support to RISC-V U-
> Boot.
> 
> The patches are based upon latest RISC-V U-Boot tree
> (git://git.denx.de/u-boot-riscv.git) at commit id
> 91882c472d8c0aef4db699d3f2de55bf43d4ae4b
> 
> All drivers namely: SiFive PRCI, SiFive Serial, and Cadance MACB Ethernet
> work fine on actual SiFive Unleashed board and QEMU sifive_u machine.
> 
> Changes since v4:
>  - Removed #ifndef from macb_enable_clk() in PATCH7
>  - Updated test/dm/clk.c in PATCH10 to test fixed factor clock
>    using sandbox
> 
> Changes since v3:
>  - Added patch to un-ignore arch/riscv/include/asm/arch
>  - Added patch to fix mrproper make target to only remove
>    arch/*/include/asm/arch paths which are symlinks
>  - Added patch to have place-holder asm/arch/clk.h for RISC-V
>  - Removed "#ifndef CONFIG_RISCV" from macb clk API patch
> 
> Changes since v2:
>  - Fixed typo in PATCH3 comments
>  - Removed "#if" from clk_fixed_factor_ofdata_to_platdata() in PATCH7
>  - Added PATCH12 for SiFive FU540 README guide
> 
> Changes since v1:
>  - Re-ordered SoB in patches with multiple SoB
>  - Simplified board_get_usable_ram_top() added by PATCH3
> 
> Anup Patel (10):
>   .gitignore: Don't ignore arch/riscv/include/asm/arch
>   Makefile: Fix mrproper make target
>   riscv: Rename cpu/qemu to cpu/generic
>   riscv: Add asm/dma-mapping.h for DMA mappings
>   riscv: Add place-holder asm/arch/clk.h for driver compilation
>   riscv: generic: Ensure that U-Boot runs within 4GB for 64bit systems
>   net: macb: Fix clk API usage for RISC-V systems
>   clk: Add SiFive FU540 PRCI clock driver
>   clk: Add fixed-factor clock driver
>   riscv: Add SiFive FU540 board support
> 
> Atish Patra (5):
>   net: macb: Fix GEM hardware detection
>   drivers: serial_sifive: Fix baud rate calculation
>   drivers: serial_sifive: Skip baudrate config if no input clock
>   cpu: Bind timer driver for boot hart
>   doc: Add a readme guide for SiFive FU540
> 
>  Makefile                                      |   2 +-
>  arch/.gitignore                               |   1 +
>  arch/riscv/Kconfig                            |   6 +-
>  arch/riscv/cpu/{qemu => generic}/Kconfig      |   2 +-
>  arch/riscv/cpu/{qemu => generic}/Makefile     |   0
>  arch/riscv/cpu/{qemu => generic}/cpu.c        |   0
>  arch/riscv/cpu/generic/dram.c                 |  37 ++
>  arch/riscv/cpu/qemu/dram.c                    |  17 -
>  arch/riscv/include/asm/arch/clk.h             |  14 +
>  arch/riscv/include/asm/dma-mapping.h          |  38 ++
>  arch/sandbox/dts/test.dts                     |   8 +
>  board/emulation/qemu-riscv/Kconfig            |   4 +-
>  .../qemu-riscv => sifive/fu540}/Kconfig       |  36 +-
>  board/sifive/fu540/MAINTAINERS                |   9 +
>  board/sifive/fu540/Makefile                   |   5 +
>  board/sifive/fu540/fu540.c                    |  17 +
>  configs/sifive_fu540_defconfig                |  11 +
>  doc/README.sifive-fu540                       | 302 +++++++++
>  drivers/clk/Kconfig                           |   1 +
>  drivers/clk/Makefile                          |   5 +-
>  drivers/clk/clk_fixed_factor.c                |  72 +++
>  drivers/clk/sifive/Kconfig                    |  19 +
>  drivers/clk/sifive/Makefile                   |   5 +
>  .../clk/sifive/analogbits-wrpll-cln28hpc.h    | 101 +++
>  drivers/clk/sifive/fu540-prci.c               | 604 ++++++++++++++++++
>  drivers/clk/sifive/wrpll-cln28hpc.c           | 390 +++++++++++
>  drivers/cpu/riscv_cpu.c                       |   7 +-
>  drivers/net/macb.c                            |  11 +-
>  drivers/serial/serial_sifive.c                |  60 +-
>  include/configs/sifive-fu540.h                |  43 ++
>  include/dt-bindings/clk/sifive-fu540-prci.h   |  29 +
>  test/dm/clk.c                                 |   5 +-
>  32 files changed, 1794 insertions(+), 67 deletions(-)  rename
> arch/riscv/cpu/{qemu => generic}/Kconfig (91%)  rename
> arch/riscv/cpu/{qemu => generic}/Makefile (100%)  rename
> arch/riscv/cpu/{qemu => generic}/cpu.c (100%)  create mode 100644
> arch/riscv/cpu/generic/dram.c  delete mode 100644
> arch/riscv/cpu/qemu/dram.c  create mode 100644
> arch/riscv/include/asm/arch/clk.h  create mode 100644
> arch/riscv/include/asm/dma-mapping.h
>  copy board/{emulation/qemu-riscv => sifive/fu540}/Kconfig (57%)  create
> mode 100644 board/sifive/fu540/MAINTAINERS  create mode 100644
> board/sifive/fu540/Makefile  create mode 100644 board/sifive/fu540/fu540.c
> create mode 100644 configs/sifive_fu540_defconfig  create mode 100644
> doc/README.sifive-fu540  create mode 100644 drivers/clk/clk_fixed_factor.c
> create mode 100644 drivers/clk/sifive/Kconfig  create mode 100644
> drivers/clk/sifive/Makefile  create mode 100644 drivers/clk/sifive/analogbits-
> wrpll-cln28hpc.h
>  create mode 100644 drivers/clk/sifive/fu540-prci.c  create mode 100644
> drivers/clk/sifive/wrpll-cln28hpc.c
>  create mode 100644 include/configs/sifive-fu540.h  create mode 100644
> include/dt-bindings/clk/sifive-fu540-prci.h
> 
> --
> 2.17.1

Hi All,

Passing INITRD to Linux using bootm was not working correctly
on U-Boot RISC-V. We have a fix for this which I will include in
v6 of patchset.

Regards,
Anup



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