On Tue, Jun 16, 2026 at 07:01:42PM +0800, Kuan-Wei Chiu wrote: Hi Kuan-Wei,
> Add initial support for the Milk-V Duo board. > > The Sophgo CV1800B SoC features T-Head C906 processing, standard PLIC > and CLINT controllers, a dw8250 uart, and basic clock control. The > current implementation can successfully run OpenSBI and boot Linux v7.0 > from an SD card to the Linux shell. Can you add a document for the Milk-V Duo board? Thanks, Chao > --- > Changes in v3: > - Rebase on master branch. > - Drop custom T-Head PMU CSR patch to avoid duplication. > - Use REG_BYTE_WIDTH macro in clock controller. > > Changes in v2: > - Added link for the custom T-Head PMU CSRs > - Added qtest to validate basic for the dw8250 and clock controller. > - Removed RFC tag. > > Kuan-Wei Chiu (5): > hw/char: Add dw8250 UART > hw/misc: Add Sophgo CV1800B clock controller > hw/riscv: Add Sophgo CV1800B SoC support > hw/riscv: Add Milk-V Duo board support > tests/qtest: Add qtest for Milk-V Duo board > > MAINTAINERS | 12 ++ > configs/devices/riscv64-softmmu/default.mak | 1 + > hw/char/Kconfig | 4 + > hw/char/dw8250.c | 118 ++++++++++++++ > hw/char/meson.build | 1 + > hw/misc/Kconfig | 3 + > hw/misc/cv1800b_clk.c | 90 +++++++++++ > hw/misc/meson.build | 1 + > hw/riscv/Kconfig | 14 ++ > hw/riscv/cv1800b.c | 168 ++++++++++++++++++++ > hw/riscv/meson.build | 3 + > hw/riscv/milkv_duo.c | 124 +++++++++++++++ > include/hw/char/dw8250.h | 27 ++++ > include/hw/misc/cv1800b_clk.h | 24 +++ > include/hw/riscv/cv1800b.h | 52 ++++++ > tests/qtest/meson.build | 3 +- > tests/qtest/milkv-duo-test.c | 70 ++++++++ > 17 files changed, 714 insertions(+), 1 deletion(-) > create mode 100644 hw/char/dw8250.c > create mode 100644 hw/misc/cv1800b_clk.c > create mode 100644 hw/riscv/cv1800b.c > create mode 100644 hw/riscv/milkv_duo.c > create mode 100644 include/hw/char/dw8250.h > create mode 100644 include/hw/misc/cv1800b_clk.h > create mode 100644 include/hw/riscv/cv1800b.h > create mode 100644 tests/qtest/milkv-duo-test.c > > -- > 2.54.0.1136.gdb2ca164c4-goog >
