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04 Mar 2020 15:09:40 -0800 From: Alistair Francis To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v2 0/3] hw/riscv: Add a serial property to the sifive_u machine Date: Wed, 4 Mar 2020 15:02:25 -0800 Message-Id: X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x [fuzzy] X-Received-From: 216.71.154.42 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alistair.francis@wdc.com, palmer@dabbelt.com, alistair23@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" At present the board serial number is hard-coded to 1, and passed to OTP model during initialization. Firmware (FSBL, U-Boot) uses the serial number to generate a unique MAC address for the on-chip ethernet controller. When multiple QEMU 'sifive_u' instances are created and connected to the same subnet, they all have the same MAC address hence it creates a unusable network. A new "serial" property is introduced to specify the board serial number. When not given, the default serial number 1 is used. v2: - Fix the serial setting so it correctly sets Alistair Francis (2): riscv/sifive_u: Fix up file ordering riscv/sifive_u: Add a serial property to the sifive_u SoC Bin Meng (1): riscv/sifive_u: Add a serial property to the sifive_u machine hw/riscv/sifive_u.c | 135 +++++++++++++++++++++--------------- include/hw/riscv/sifive_u.h | 3 + 2 files changed, 84 insertions(+), 54 deletions(-) -- 2.25.1