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[2003:fa:af0b:b200:9c49:4783:8afc:41b6]) by smtp.gmail.com with ESMTPSA id bt15-20020a056000080f00b00297dcfdc90fsm12260447wrb.24.2023.01.05.06.33.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Jan 2023 06:33:09 -0800 (PST) From: Bernhard Beschow To: qemu-devel@nongnu.org Cc: Eduardo Habkost , qemu-block@nongnu.org, =?utf-8?q?Herv=C3=A9_Poussineau?= , Ani Sinha , Richard Henderson , Jiaxun Yang , Aurelien Jarno , "Michael S. Tsirkin" , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Paolo Bonzini , Igor Mammedov , Marcel Apfelbaum , John Snow , Gerd Hoffmann , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PATCH v5 03/31] hw/isa/piix4: Correct IRQRC[A:D] reset values Date: Thu, 5 Jan 2023 15:32:00 +0100 Message-Id: <20230105143228.244965-4-shentey@gmail.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230105143228.244965-1-shentey@gmail.com> References: <20230105143228.244965-1-shentey@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=shentey@gmail.com; helo=mail-wr1-x42a.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: Philippe Mathieu-Daudé IRQRC[A:D] registers reset value is 0x80. We were forcing the MIPS Malta machine routing to be able to boot a Linux kernel without any bootloader. We now have these registers initialized in the Malta machine write_bootloader(), so we can use the correct reset values. Signed-off-by: Philippe Mathieu-Daudé Message-Id: <20221027204720.33611-4-philmd@linaro.org> --- hw/isa/piix4.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c index eca96fb8f0..6e9434129d 100644 --- a/hw/isa/piix4.c +++ b/hw/isa/piix4.c @@ -91,10 +91,10 @@ static void piix4_isa_reset(DeviceState *dev) pci_conf[0x4c] = 0x4d; pci_conf[0x4e] = 0x03; pci_conf[0x4f] = 0x00; - pci_conf[0x60] = 0x0a; // PCI A -> IRQ 10 - pci_conf[0x61] = 0x0a; // PCI B -> IRQ 10 - pci_conf[0x62] = 0x0b; // PCI C -> IRQ 11 - pci_conf[0x63] = 0x0b; // PCI D -> IRQ 11 + pci_conf[0x60] = 0x80; + pci_conf[0x61] = 0x80; + pci_conf[0x62] = 0x80; + pci_conf[0x63] = 0x80; pci_conf[0x69] = 0x02; pci_conf[0x70] = 0x80; pci_conf[0x76] = 0x0c;