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Iglesias" , Peter Maydell , Alistair Francis , Paolo Bonzini , YannickV Subject: [PATCH 20/21] hw/arm/beckhoff_CX7200: Add dummy DDR CTRL to CX7200 Date: Tue, 18 Mar 2025 14:08:11 +0100 Message-ID: <20250318130817.119636-21-corvin.koehne@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250318130817.119636-1-corvin.koehne@gmail.com> References: <20250318130817.119636-1-corvin.koehne@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::62f; envelope-from=corvin.koehne@gmail.com; helo=mail-ej1-x62f.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=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: 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 From: YannickV The CX7200 polls for statusregisters in the DDR Controller. To avaid endless polling loops, a dummy DDR Controller is added. Signed-off-by: Yannick Voßen --- hw/arm/beckhoff_CX7200.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/hw/arm/beckhoff_CX7200.c b/hw/arm/beckhoff_CX7200.c index 0fe03f570f..8c1379aab4 100644 --- a/hw/arm/beckhoff_CX7200.c +++ b/hw/arm/beckhoff_CX7200.c @@ -141,6 +141,17 @@ static void ccat_init(uint32_t base) sysbus_mmio_map(busdev, 0, base); } +static void ddr_ctrl_init(uint32_t base) +{ + DeviceState *dev; + SysBusDevice *busdev; + + dev = qdev_new("zynq.ddr-ctlr"); + busdev = SYS_BUS_DEVICE(dev); + sysbus_realize_and_unref(busdev, &error_fatal); + sysbus_mmio_map(busdev, 0, base); +} + static inline int beckhoff_cx7200_init_spi_flashes(uint32_t base_addr, qemu_irq irq, bool is_qspi, int unit0) { @@ -326,6 +337,8 @@ static void beckhoff_cx7200_init(MachineState *machine) ccat_init(0x40000000); + ddr_ctrl_init(0xF8006000); + /* * Compatible with: * - SD Host Controller Specification Version 2.0 Part A2