Hi,

This patch series adds support for U-Boot + OpenSBI + standard Linux kernel on
K230 board. Thanks to Peng Jiang, Mig Yang, Renzao Ren, Yao Zi for their help.

Test command:

```
$QEMU -M k230 -bios [OpenSBI binary] -m 2G -dtb k230_canmv.dtb -kernel [img]
```

PATCH v3 changelog:
- Patch 1: Align T-Head C908 CPU's RISC-V extension with XUANTIE-QEMU
- Patch 2: Adjust PLIC and CLINT addresses to match K230 datasheet

PATCH v2 changelog:
- Patch 1: Add Svpbmt extension support for the T-Head C908 CPU
- Patch 2: Move the k230.rst definition from MAINTAINERS to Patch 5
- Patch 5: Apply Daniel's bugfix to build the k230 documentation successfully
https://lore.kernel.org/qemu-devel/cover.1764830405.git.chao.liu@zevorn.cn/

PATCH v1 changelog:
- Patch1: Add T-Head C908 and C908v CPU support
- Patch2: Add K230 board initial support(big core is not supported yet)
- Patch3: Add Programmable Watchdog Timer (WDT) peripheral support
- Patch4: Add QEMU test for K230 watchdog
- Patch5: Add documentation for K230 machine
https://lore.kernel.org/qemu-devel/cover.1764493931.git.chao.liu@zevorn.cn/T/#t


Thanks,
Chao

Chao Liu (5):
  target/riscv: add thead-c908 cpu support
  hw/riscv: add k230 board initial support
  hw/watchdog: add k230 watchdog initial support
  tests/qtest: add test for K230 watchdog
  docs/system/riscv: add documentation for k230 machine

 MAINTAINERS                    |  10 +
 docs/system/riscv/k230.rst     |  48 ++++
 docs/system/target-riscv.rst   |   1 +
 hw/riscv/Kconfig               |  11 +
 hw/riscv/k230.c                | 501 +++++++++++++++++++++++++++++++++
 hw/riscv/meson.build           |   2 +-
 hw/watchdog/Kconfig            |   4 +
 hw/watchdog/k230_wdt.c         | 307 ++++++++++++++++++++
 hw/watchdog/meson.build        |   1 +
 hw/watchdog/trace-events       |   9 +
 include/hw/riscv/k230.h        | 153 ++++++++++
 include/hw/watchdog/k230_wdt.h | 130 +++++++++
 target/riscv/cpu-qom.h         |   2 +
 target/riscv/cpu.c             |  51 ++++
 target/riscv/th_csr.c          | 380 ++++++++++++++++++++++++-
 tests/qtest/k230-wdt-test.c    | 199 +++++++++++++
 tests/qtest/meson.build        |   3 +-
 17 files changed, 1809 insertions(+), 3 deletions(-)
 create mode 100644 docs/system/riscv/k230.rst
 create mode 100644 hw/riscv/k230.c
 create mode 100644 hw/watchdog/k230_wdt.c
 create mode 100644 include/hw/riscv/k230.h
 create mode 100644 include/hw/watchdog/k230_wdt.h
 create mode 100644 tests/qtest/k230-wdt-test.c

--
2.51.0