From nobody Tue Nov 18 09:18:22 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1609108003; cv=none; d=zohomail.com; s=zohoarc; b=eh19bi2oN0X8zOe0an9IOBuiFLBjwNK6RJgqD9xXAbtKmyPnFaN1uz/y7OXjR8Md4W4LkrlGS6QZrZTJAJ7imlHcWpmeLKbFtvkx8O5tnBOngr78anIis4yUx3nDE6CcLt42Zn0OPDLaQsM35u3jj7w7EW1kcmeeT8Gpu2X0hbA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1609108003; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=1JD9U23es29rgc7oEQvuPAe3I7eakP7QY7rQlSdROhc=; b=YnnuFlF6uR8Cdl2Mlki/OdjC7wszgTVe6al4izjEf3bruPes0+lzrorpomy5atUGSbOy+f1OKWBL1FqOkHjrV6zXjFAsnFyXqmK2bGCgiHqoJwjFQnwGPmKInZeiKdx2ix+5/c6fgXZUM667knPZY6OgFGG0yMu1RgunlfhQvLQ= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1609108003852951.8900884670386; Sun, 27 Dec 2020 14:26:43 -0800 (PST) Received: from localhost ([::1]:52640 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kteUt-0002wY-5j for importer@patchew.org; Sun, 27 Dec 2020 17:26:43 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:34840) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kteSs-0000MA-7Q for qemu-devel@nongnu.org; Sun, 27 Dec 2020 17:24:38 -0500 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]:21903) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kteSk-0007zp-NI for qemu-devel@nongnu.org; Sun, 27 Dec 2020 17:24:36 -0500 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 32FFC74645F; Sun, 27 Dec 2020 23:24:27 +0100 (CET) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 94D977470DF; Sun, 27 Dec 2020 23:24:26 +0100 (CET) Message-Id: <8e58807dd2ba46866e7f152244e4541e6425177d.1609107222.git.balaton@eik.bme.hu> In-Reply-To: References: Subject: [PATCH v2 2/2] via-ide: Fix fuloong2e support Date: Sun, 27 Dec 2020 23:13:42 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable To: qemu-devel@nongnu.org X-Spam-Probability: 8% Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2001:738:2001:2001::2001; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Huacai Chen , Mark Cave-Ayland , f4bug@amsat.org, John Snow , Guenter Roeck Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: BALATON Zoltan From: BALATON Zoltan via From: Guenter Roeck The IDE legacy mode emulation has been removed in commit 4ea98d317eb ("ide/via: Implement and use native PCI IDE mode") but some Linux kernels (probably including def_config) require legacy mode on the Fuloong2e so only emulating native mode did not turn out feasible. Add property to via-ide model to make the mode configurable, and set legacy mode for Fuloong2e. Signed-off-by: Guenter Roeck [balaton: Use bit in flags for property, add comment for missing BAR4] Signed-off-by: BALATON Zoltan Reviewed-by: Philippe Mathieu-Daud=C3=A9 Tested-by: Guenter Roeck Reviewed-by: Jiaxun Yang --- v2: Reworded commit message hw/ide/via.c | 19 +++++++++++++++++-- hw/mips/fuloong2e.c | 4 +++- 2 files changed, 20 insertions(+), 3 deletions(-) diff --git a/hw/ide/via.c b/hw/ide/via.c index be09912b33..7d54d7e829 100644 --- a/hw/ide/via.c +++ b/hw/ide/via.c @@ -26,6 +26,7 @@ =20 #include "qemu/osdep.h" #include "hw/pci/pci.h" +#include "hw/qdev-properties.h" #include "migration/vmstate.h" #include "qemu/module.h" #include "sysemu/dma.h" @@ -185,12 +186,19 @@ static void via_ide_realize(PCIDevice *dev, Error **e= rrp) &d->bus[1], "via-ide1-cmd", 4); pci_register_bar(dev, 3, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd_bar[1]); =20 - bmdma_setup_bar(d); - pci_register_bar(dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &d->bmdma_bar); + if (!(d->flags & BIT(PCI_IDE_LEGACY_MODE))) { + /* Missing BAR4 will make Linux driver fall back to legacy PIO mod= e */ + bmdma_setup_bar(d); + pci_register_bar(dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &d->bmdma_bar); + } =20 qdev_init_gpio_in(ds, via_ide_set_irq, 2); for (i =3D 0; i < 2; i++) { ide_bus_new(&d->bus[i], sizeof(d->bus[i]), ds, i, 2); + if (d->flags & BIT(PCI_IDE_LEGACY_MODE)) { + ide_init_ioport(&d->bus[i], NULL, i ? 0x170 : 0x1f0, + i ? 0x376 : 0x3f6); + } ide_init2(&d->bus[i], qdev_get_gpio_in(ds, i)); =20 bmdma_init(&d->bus[i], &d->bmdma[i], d); @@ -210,6 +218,12 @@ static void via_ide_exitfn(PCIDevice *dev) } } =20 +static Property via_ide_properties[] =3D { + DEFINE_PROP_BIT("legacy_mode", PCIIDEState, flags, PCI_IDE_LEGACY_MODE, + false), + DEFINE_PROP_END_OF_LIST(), +}; + static void via_ide_class_init(ObjectClass *klass, void *data) { DeviceClass *dc =3D DEVICE_CLASS(klass); @@ -223,6 +237,7 @@ static void via_ide_class_init(ObjectClass *klass, void= *data) k->device_id =3D PCI_DEVICE_ID_VIA_IDE; k->revision =3D 0x06; k->class_id =3D PCI_CLASS_STORAGE_IDE; + device_class_set_props(dc, via_ide_properties); set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); } =20 diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c index 45c596f4fe..f0733e87b7 100644 --- a/hw/mips/fuloong2e.c +++ b/hw/mips/fuloong2e.c @@ -253,7 +253,9 @@ static void vt82c686b_southbridge_init(PCIBus *pci_bus,= int slot, qemu_irq intc, /* Super I/O */ isa_create_simple(isa_bus, TYPE_VT82C686B_SUPERIO); =20 - dev =3D pci_create_simple(pci_bus, PCI_DEVFN(slot, 1), "via-ide"); + dev =3D pci_new(PCI_DEVFN(slot, 1), "via-ide"); + qdev_prop_set_bit(&dev->qdev, "legacy_mode", true); + pci_realize_and_unref(dev, pci_bus, &error_fatal); pci_ide_create_devs(dev); =20 pci_create_simple(pci_bus, PCI_DEVFN(slot, 2), "vt82c686b-usb-uhci"); --=20 2.21.3