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Tue, 16 Jun 2026 23:37:38 -0700 (PDT) Received: from localhost ([64.186.250.142]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-1384b9110d3sm16199635c88.5.2026.06.16.23.37.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Jun 2026 23:37:37 -0700 (PDT) Date: Wed, 17 Jun 2026 14:37:34 +0800 From: Chao Liu To: Kuan-Wei Chiu Cc: pbonzini@redhat.com, marcandre.lureau@redhat.com, alistair.francis@wdc.com, farosas@suse.de, lvivier@redhat.com, liwei1518@gmail.com, daniel.barboza@oss.qualcomm.com, zhiwei_liu@linux.alibaba.com, jserv@ccns.ncku.edu.tw, eleanor15x@gmail.com, marscheng@google.com, qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: Re: [PATCH v3 0/5] hw/riscv: Add support for Milk-V Duo board Message-ID: References: <20260616190147.1286316-1-visitorckw@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260616190147.1286316-1-visitorckw@gmail.com> Received-SPF: pass client-ip=2607:f8b0:4864:20::1244; envelope-from=chao.liu.zevorn@gmail.com; helo=mail-dl1-x1244.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org 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 >