From patchwork Sun Dec 27 22:13:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 11990753 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6FE98C433DB for ; Sun, 27 Dec 2020 22:26:42 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E416A224F9 for ; Sun, 27 Dec 2020 22:26:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E416A224F9 Authentication-Results: mail.kernel.org; dmarc=pass (p=none dis=none) header.from=nongnu.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:52640 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kteUr-0002wY-1X for qemu-devel@archiver.kernel.org; Sun, 27 Dec 2020 17:26:41 -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 To: qemu-devel@nongnu.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Reply-to: BALATON Zoltan X-Patchwork-Original-From: BALATON Zoltan via From: BALATON Zoltan 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-Daudé 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 @@ #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 **errp) &d->bus[1], "via-ide1-cmd", 4); pci_register_bar(dev, 3, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd_bar[1]); - 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 mode */ + bmdma_setup_bar(d); + pci_register_bar(dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &d->bmdma_bar); + } qdev_init_gpio_in(ds, via_ide_set_irq, 2); for (i = 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)); bmdma_init(&d->bus[i], &d->bmdma[i], d); @@ -210,6 +218,12 @@ static void via_ide_exitfn(PCIDevice *dev) } } +static Property via_ide_properties[] = { + 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 = DEVICE_CLASS(klass); @@ -223,6 +237,7 @@ static void via_ide_class_init(ObjectClass *klass, void *data) k->device_id = PCI_DEVICE_ID_VIA_IDE; k->revision = 0x06; k->class_id = PCI_CLASS_STORAGE_IDE; + device_class_set_props(dc, via_ide_properties); set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); } 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); - dev = pci_create_simple(pci_bus, PCI_DEVFN(slot, 1), "via-ide"); + dev = 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); pci_create_simple(pci_bus, PCI_DEVFN(slot, 2), "vt82c686b-usb-uhci");