From patchwork Tue Mar 2 21:11:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 1446345 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 ozlabs.org (Postfix) with ESMTPS id 4Dqr1s2svpz9sCD for ; Wed, 3 Mar 2021 08:32:17 +1100 (AEDT) Received: from localhost ([::1]:56968 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lHCcp-0008Fy-A8 for incoming@patchwork.ozlabs.org; Tue, 02 Mar 2021 16:32:15 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:55192) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lHCXp-0003Ro-NZ; Tue, 02 Mar 2021 16:27:05 -0500 Received: from zero.eik.bme.hu ([152.66.115.2]:16486) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lHCXk-000546-AS; Tue, 02 Mar 2021 16:27:05 -0500 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id B0FB174639B; Tue, 2 Mar 2021 22:26:57 +0100 (CET) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 4FDF8746346; Tue, 2 Mar 2021 22:26:57 +0100 (CET) Message-Id: <1481a5c8dcb06769f9bca9e6f07e735b501a59a8.1614719482.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v5 5/8] vt82c686: Add emulation of VT8231 south bridge Date: Tue, 02 Mar 2021 22:11:22 +0100 MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org X-Spam-Probability: 10% Received-SPF: pass client-ip=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, 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: Peter Maydell , Paolo Bonzini , f4bug@amsat.org, David Gibson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Add emulation of VT8231 south bridge ISA part based on the similar VT82C686B but implemented in a separate subclass that holds the differences while reusing parts that can be shared. Signed-off-by: BALATON Zoltan Reviewed-by: Philippe Mathieu-Daudé --- hw/isa/vt82c686.c | 84 +++++++++++++++++++++++++++++++++++++++ include/hw/isa/vt82c686.h | 1 + include/hw/pci/pci_ids.h | 1 + 3 files changed, 86 insertions(+) diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c index 5137f97f37..e0f2f2a5ce 100644 --- a/hw/isa/vt82c686.c +++ b/hw/isa/vt82c686.c @@ -8,6 +8,9 @@ * * Contributions after 2012-01-13 are licensed under the terms of the * GNU GPL, version 2 or (at your option) any later version. + * + * VT8231 south bridge support and general clean up to allow it + * Copyright (c) 2018-2020 BALATON Zoltan */ #include "qemu/osdep.h" @@ -731,6 +734,86 @@ static const TypeInfo vt82c686b_isa_info = { .class_init = vt82c686b_class_init, }; +/* TYPE_VT8231_ISA */ + +static void vt8231_write_config(PCIDevice *d, uint32_t addr, + uint32_t val, int len) +{ + ViaISAState *s = VIA_ISA(d); + + trace_via_isa_write(addr, val, len); + pci_default_write_config(d, addr, val, len); + if (addr == 0x50) { + /* BIT(2): enable or disable superio config io ports */ + via_superio_io_enable(s->via_sio, val & BIT(2)); + } +} + +static void vt8231_isa_reset(DeviceState *dev) +{ + ViaISAState *s = VIA_ISA(dev); + uint8_t *pci_conf = s->dev.config; + + pci_set_long(pci_conf + PCI_CAPABILITY_LIST, 0x000000c0); + pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_IO | PCI_COMMAND_MEMORY | + PCI_COMMAND_MASTER | PCI_COMMAND_SPECIAL); + pci_set_word(pci_conf + PCI_STATUS, PCI_STATUS_DEVSEL_MEDIUM); + + pci_conf[0x58] = 0x40; /* Miscellaneous Control 0 */ + pci_conf[0x67] = 0x08; /* Fast IR Config */ + pci_conf[0x6b] = 0x01; /* Fast IR I/O Base */ +} + +static void vt8231_realize(PCIDevice *d, Error **errp) +{ + ViaISAState *s = VIA_ISA(d); + DeviceState *dev = DEVICE(d); + ISABus *isa_bus; + qemu_irq *isa_irq; + int i; + + qdev_init_gpio_out(dev, &s->cpu_intr, 1); + isa_irq = qemu_allocate_irqs(via_isa_request_i8259_irq, s, 1); + isa_bus = isa_bus_new(dev, get_system_memory(), pci_address_space_io(d), + &error_fatal); + isa_bus_irqs(isa_bus, i8259_init(isa_bus, *isa_irq)); + i8254_pit_init(isa_bus, 0x40, 0, NULL); + i8257_dma_init(isa_bus, 0); + s->via_sio = VIA_SUPERIO(isa_create_simple(isa_bus, TYPE_VT8231_SUPERIO)); + mc146818_rtc_init(isa_bus, 2000, NULL); + + for (i = 0; i < PCI_CONFIG_HEADER_SIZE; i++) { + if (i < PCI_COMMAND || i >= PCI_REVISION_ID) { + d->wmask[i] = 0; + } + } +} + +static void vt8231_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + + k->realize = vt8231_realize; + k->config_write = vt8231_write_config; + k->vendor_id = PCI_VENDOR_ID_VIA; + k->device_id = PCI_DEVICE_ID_VIA_8231_ISA; + k->class_id = PCI_CLASS_BRIDGE_ISA; + k->revision = 0x10; + dc->reset = vt8231_isa_reset; + dc->desc = "ISA bridge"; + dc->vmsd = &vmstate_via; + /* Reason: part of VIA VT8231 southbridge, needs to be wired up */ + dc->user_creatable = false; +} + +static const TypeInfo vt8231_isa_info = { + .name = TYPE_VT8231_ISA, + .parent = TYPE_VIA_ISA, + .instance_size = sizeof(ViaISAState), + .class_init = vt8231_class_init, +}; + static void vt82c686b_register_types(void) { @@ -742,6 +825,7 @@ static void vt82c686b_register_types(void) type_register_static(&vt8231_superio_info); type_register_static(&via_isa_info); type_register_static(&vt82c686b_isa_info); + type_register_static(&vt8231_isa_info); } type_init(vt82c686b_register_types) diff --git a/include/hw/isa/vt82c686.h b/include/hw/isa/vt82c686.h index 0692b9a527..0f01aaa471 100644 --- a/include/hw/isa/vt82c686.h +++ b/include/hw/isa/vt82c686.h @@ -3,6 +3,7 @@ #define TYPE_VT82C686B_ISA "vt82c686b-isa" #define TYPE_VT82C686B_PM "vt82c686b-pm" +#define TYPE_VT8231_ISA "vt8231-isa" #define TYPE_VT8231_PM "vt8231-pm" #define TYPE_VIA_AC97 "via-ac97" #define TYPE_VIA_MC97 "via-mc97" diff --git a/include/hw/pci/pci_ids.h b/include/hw/pci/pci_ids.h index aa3f67eaa4..ac0c23ebc7 100644 --- a/include/hw/pci/pci_ids.h +++ b/include/hw/pci/pci_ids.h @@ -210,6 +210,7 @@ #define PCI_DEVICE_ID_VIA_82C686B_PM 0x3057 #define PCI_DEVICE_ID_VIA_AC97 0x3058 #define PCI_DEVICE_ID_VIA_MC97 0x3068 +#define PCI_DEVICE_ID_VIA_8231_ISA 0x8231 #define PCI_DEVICE_ID_VIA_8231_PM 0x8235 #define PCI_VENDOR_ID_MARVELL 0x11ab