[PATCH v4 00/14] RISC-V SiFive FU540 support SPL

[Palmer Dabbelt]

On Mon, 24 Feb 2020 00:32:32 PST (-0800), pragnesh.patel at sifive.com wrote:
> This series add support for SPL to FU540.U-Boot SPL can boot from
> L2 LIM (0x0800_0000) and jump to OpenSBI(FW_DYNAMIC firmware) and
> U-Boot proper from MMC devices.
>
> How to test this patch:
> 1) Go to OpenSBI-dir : make PLATFORM=sifive/fu540 O=build_dir I=install_dir FW_DYNAMIC=y install
> 2) cp install_dir/platform/sifive/fu540/firmware/fw_dynamic.bin <u-boot-dir>/
> 3) Change to u-boot-dir
> 4) make sifive_fu540_defconfig
> 5) make all
> 6) ZSBL loads the U-boot SPL(u-boot-spl.bin) from a partition with
>    GUID type 5B193300-FC78-40CD-8002-E86C45580B47
>
>    sudo dd if=spl/u-boot-spl.bin of=/dev/sdc4 bs=1M
>
> 7) U-boot SPL expects a u-boot FIT image(u-boot.itb) from 1st partition(/dev/sdc1)
>    of SD card irrespective of GUID
>
>    sudo dd if=u-boot.itb of=/dev/sdc1 bs=1M
>
> Thanks to Yash Shah <yash.shah at sifive.com> for testing the series.
>
> Changes in v4:
> - Split misc DM driver patch into multiple patches
> - Added new SPL_CRC7_SUPPORT Kconfig option
> - Added DM driver for DDR
> - Added clk_enable and clk_disable ops in SiFive PRCI driver
> - Added early clock initialization for SPL in SiFive PRCI driver
> - Added SPL config options in sifive_fu540_defconfig instead of
>   creatiing a new config file for SPL
> - Update fu540.rst on how to build and flash U-boot SPL
>
> Changes in v3:
> - Remove arch-fu540 and arch-sifive from arch/riscv/include/asm/
> - Split SPL patches into DDR and SPL and spl defconfig
> - Update fu540/MAINTAINERS file
> - Update fu540.rst on how to build and flash U-boot SPL
>
> Changes in v2:
> - Add DM driver Sifive OTP
> - Split SPL patches into multiple patches
> - Add a seprate patch for _image_binary_end and crc7.c
> - Add a seprate patch to add board -u-boot.dtsi files
> - Update FU540 RISC-V documentation
>
>
> Pragnesh Patel (14):
>   misc: add driver for the SiFive otp controller
>   riscv: sifive: fu540: Use OTP DM driver for serial environment
>     variable
>   riscv: Add _image_binary_end for SPL
>   lib: Makefile: build crc7.c when CONFIG_MMC_SPI
>   riscv: sifive: dts: fu540: Add board -u-boot.dtsi files
>   sifive: fu540: add ddr driver
>   sifive: dts: fu540: Add DDR controller and phy register settings
>   clk: sifive: fu540-prci: Add clock enable and disable ops
>   clk: sifive: fu540-prci: Add clock initialization for SPL
>   riscv: sifive: fu540: add SPL configuration
>   configs: fu540: Add config options for U-boot SPL
>   riscv: sifive: fu540: enable all cache ways from u-boot proper
>   sifive: fix palmer's email address
>   doc: update FU540 RISC-V documentation

Thanks for doing this.  I don't see any responses here and I'm afraid I'm not
even remotely familiar with u-boot development, but I took a look and don't see
any issues aside from what I replied to.

>
>  arch/riscv/cpu/u-boot-spl.lds                 |    1 +
>  arch/riscv/dts/fu540-c000-u-boot.dtsi         |   63 +
>  arch/riscv/dts/fu540-sdram-lpddr4.dtsi        | 1489 +++++++++++++++++
>  .../dts/hifive-unleashed-a00-u-boot.dtsi      |   23 +
>  board/sifive/fu540/Kconfig                    |   10 +
>  board/sifive/fu540/MAINTAINERS                |    2 +-
>  board/sifive/fu540/Makefile                   |    5 +
>  board/sifive/fu540/cache.c                    |   20 +
>  board/sifive/fu540/cache.h                    |   13 +
>  board/sifive/fu540/fu540-memory-map.h         |   33 +
>  board/sifive/fu540/fu540.c                    |  139 +-
>  board/sifive/fu540/spl.c                      |   78 +
>  board/sifive/fu540/ux00prci.h                 |   56 +
>  common/spl/Kconfig                            |    7 +
>  configs/sifive_fu540_defconfig                |   11 +
>  doc/board/sifive/fu540.rst                    |  409 ++++-
>  drivers/clk/sifive/fu540-prci.c               |  169 +-
>  drivers/misc/Kconfig                          |    7 +
>  drivers/misc/Makefile                         |    1 +
>  drivers/misc/sifive-otp.c                     |  241 +++
>  drivers/ram/Kconfig                           |    7 +
>  drivers/ram/Makefile                          |    2 +
>  drivers/ram/sifive/Kconfig                    |    8 +
>  drivers/ram/sifive/Makefile                   |    6 +
>  drivers/ram/sifive/sdram_fu540.c              |  295 ++++
>  drivers/ram/sifive/sdram_fu540.h              |   94 ++
>  include/configs/sifive-fu540.h                |   18 +
>  lib/Makefile                                  |    1 +
>  28 files changed, 3107 insertions(+), 101 deletions(-)
>  create mode 100644 arch/riscv/dts/fu540-c000-u-boot.dtsi
>  create mode 100644 arch/riscv/dts/fu540-sdram-lpddr4.dtsi
>  create mode 100644 arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi
>  create mode 100644 board/sifive/fu540/cache.c
>  create mode 100644 board/sifive/fu540/cache.h
>  create mode 100644 board/sifive/fu540/fu540-memory-map.h
>  create mode 100644 board/sifive/fu540/spl.c
>  create mode 100644 board/sifive/fu540/ux00prci.h
>  create mode 100644 drivers/misc/sifive-otp.c
>  create mode 100644 drivers/ram/sifive/Kconfig
>  create mode 100644 drivers/ram/sifive/Makefile
>  create mode 100644 drivers/ram/sifive/sdram_fu540.c
>  create mode 100644 drivers/ram/sifive/sdram_fu540.h