[Buildroot] [PATCH 00/10] riscv: Various fixes and small enhancements

[Bin Meng]

A bug report [1] was filed recently against HiFive Unleashed board that
it did not build. Although I could not reproduce the build failure, it
does make sense to upgrade the OpenSBI version for this board, as
discussed in the bug report.

Now OpenSBI version is bumped up to 1.3 in this series for all RISC-V
boards. For HiFive Unleashed board I decided to use the latest U-Boot
release as well, which requires some new changes.

The Kconfig options of RISC-V boards have been cleaned up. Instructions
of using QEMU to test the HiFive Unleashed board images are added.

[1] https://bugs.busybox.net/show_bug.cgi?id=15658


Bin Meng (10):
  configs/hifive_unleashed: Update to use OpenSBI 1.2
  configs/hifive_unleashed: Update to use U-Boot v2023.04
  configs/hifive_unleashed: Enable BR2_RISCV_ISA_CUSTOM_RVA explicitly
  configs/beaglev_defconfig: Enable BR2_RISCV_ISA_CUSTOM_RVA explicitly
  arch/Config.in.riscv: Remove BR2_RISCV_ISA_CUSTOM_RVA from
    BR2_riscv_custom
  configs: riscv: Drop BR2_TARGET_OPENSBI_CUSTOM_VERSION
  boot/opensbi: Config.in: Cosmetic style fix
  boot/opensbi: Bump to version 1.3
  board/sifive: hifive-unleashed: Update rootfs offset
  board/sifive: hifive-unleashed: Include QEMU instructions in
    readme.txt

 arch/Config.in.riscv                            |  1 -
 .../sifive/hifive-unleashed/genimage_sdcard.cfg |  1 +
 board/sifive/hifive-unleashed/readme.txt        | 17 +++++++++++++++++
 boot/opensbi/Config.in                          |  6 +++---
 boot/opensbi/opensbi.hash                       |  2 +-
 configs/beaglev_defconfig                       |  1 +
 configs/hifive_unleashed_defconfig              | 10 +++++-----
 configs/nezha_defconfig                         |  2 --
 configs/qemu_riscv32_virt_defconfig             |  2 --
 configs/qemu_riscv64_virt_defconfig             |  2 --
 configs/sipeed_lichee_rv_defconfig              |  2 --
 configs/sipeed_lichee_rv_dock_defconfig         |  2 --
 configs/spike_riscv64_defconfig                 |  2 --
 13 files changed, 28 insertions(+), 22 deletions(-)

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2.34.1