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[77.191.171.138]) by smtp.gmail.com with ESMTPSA id 4-20020a170906310400b00780ab5a9116sm13021558ejx.211.2022.10.22.08.07.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 22 Oct 2022 08:07:06 -0700 (PDT) From: Bernhard Beschow To: qemu-devel@nongnu.org Cc: Eduardo Habkost , =?utf-8?q?Herv=C3=A9_Poussineau?= , Aurelien Jarno , Igor Mammedov , Gerd Hoffmann , John Snow , Jiaxun Yang , Ani Sinha , Marcel Apfelbaum , qemu-block@nongnu.org, Richard Henderson , =?utf-8?q?Philippe_Mathie?= =?utf-8?q?u-Daud=C3=A9?= , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , "Michael S. Tsirkin" , Paolo Bonzini , Bernhard Beschow Subject: [PATCH v2 30/43] hw/isa/piix4: Allow board to provide PCI interrupt routes Date: Sat, 22 Oct 2022 17:04:55 +0200 Message-Id: <20221022150508.26830-31-shentey@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221022150508.26830-1-shentey@gmail.com> References: <20221022150508.26830-1-shentey@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::52d; envelope-from=shentey@gmail.com; helo=mail-ed1-x52d.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" PIIX3 initializes the PIRQx route control registers to the default values as described in the 82371AB PCI-TO-ISA/IDE XCELERATOR (PIIX4) April 1997 manual. PIIX4, however, initializes the routes according to the Malta™ User’s Manual, ch 6.6, which are IRQs 10 and 11. In order to allow the reset methods to be consolidated, allow board code to specify the routes. Signed-off-by: Bernhard Beschow Reviewed-by: Philippe Mathieu-Daudé --- hw/isa/piix4.c | 14 ++++++++++---- hw/mips/malta.c | 4 ++++ 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c index fc698c23be..57b0b98bef 100644 --- a/hw/isa/piix4.c +++ b/hw/isa/piix4.c @@ -58,6 +58,8 @@ struct PIIX4State { MemoryRegion rcr_mem; uint8_t rcr; + uint8_t pci_irq_reset_mappings[PIIX_NUM_PIRQS]; + bool has_acpi; bool has_usb; bool smm_enabled; @@ -123,10 +125,10 @@ 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[PIIX_PIRQCA] = d->pci_irq_reset_mappings[0]; + pci_conf[PIIX_PIRQCB] = d->pci_irq_reset_mappings[1]; + pci_conf[PIIX_PIRQCC] = d->pci_irq_reset_mappings[2]; + pci_conf[PIIX_PIRQCD] = d->pci_irq_reset_mappings[3]; pci_conf[0x69] = 0x02; pci_conf[0x70] = 0x80; pci_conf[0x76] = 0x0c; @@ -300,6 +302,10 @@ static void piix4_init(Object *obj) static Property piix4_props[] = { DEFINE_PROP_UINT32("smb_io_base", PIIX4State, smb_io_base, 0), + DEFINE_PROP_UINT8("pirqa", PIIX4State, pci_irq_reset_mappings[0], 0x80), + DEFINE_PROP_UINT8("pirqb", PIIX4State, pci_irq_reset_mappings[1], 0x80), + DEFINE_PROP_UINT8("pirqc", PIIX4State, pci_irq_reset_mappings[2], 0x80), + DEFINE_PROP_UINT8("pirqd", PIIX4State, pci_irq_reset_mappings[3], 0x80), DEFINE_PROP_BOOL("has-acpi", PIIX4State, has_acpi, true), DEFINE_PROP_BOOL("has-usb", PIIX4State, has_usb, true), DEFINE_PROP_BOOL("smm-enabled", PIIX4State, smm_enabled, false), diff --git a/hw/mips/malta.c b/hw/mips/malta.c index 6339b0d66c..44b6b14f3d 100644 --- a/hw/mips/malta.c +++ b/hw/mips/malta.c @@ -1403,6 +1403,10 @@ void mips_malta_init(MachineState *machine) piix4 = pci_new_multifunction(PCI_DEVFN(10, 0), true, TYPE_PIIX4_PCI_DEVICE); qdev_prop_set_uint32(DEVICE(piix4), "smb_io_base", 0x1100); + qdev_prop_set_uint8(DEVICE(piix4), "pirqa", 10); + qdev_prop_set_uint8(DEVICE(piix4), "pirqb", 10); + qdev_prop_set_uint8(DEVICE(piix4), "pirqc", 11); + qdev_prop_set_uint8(DEVICE(piix4), "pirqd", 11); pci_realize_and_unref(piix4, pci_bus, &error_fatal); isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(piix4), "isa.0"));