From patchwork Tue Oct 13 11:49:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Mark Cave-Ayland X-Patchwork-Id: 271370 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 8B086C43467 for ; Tue, 13 Oct 2020 11:54:46 +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 191A9214D8 for ; Tue, 13 Oct 2020 11:54:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 191A9214D8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ilande.co.uk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:34248 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kSIt8-0002oi-Po for qemu-devel@archiver.kernel.org; Tue, 13 Oct 2020 07:54:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43702) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kSIoP-0005cU-5M; Tue, 13 Oct 2020 07:49:49 -0400 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]:51584 helo=mail.default.ilande.uk0.bigv.io) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kSIoM-0004gF-Ta; Tue, 13 Oct 2020 07:49:48 -0400 Received: from host86-158-109-18.range86-158.btcentralplus.com ([86.158.109.18] helo=kentang.home) by mail.default.ilande.uk0.bigv.io with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kSIoI-0004jn-Pb; Tue, 13 Oct 2020 12:49:49 +0100 From: Mark Cave-Ayland To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, f4bug@amsat.org Date: Tue, 13 Oct 2020 12:49:22 +0100 Message-Id: <20201013114922.2946-4-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201013114922.2946-1-mark.cave-ayland@ilande.co.uk> References: <20201013114922.2946-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 86.158.109.18 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH v2 3/3] uninorth: use qdev gpios for PCI IRQs X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.default.ilande.uk0.bigv.io) Received-SPF: pass client-ip=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.default.ilande.uk0.bigv.io X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Currently an object link property is used to pass a reference to the OpenPIC into the PCI host bridge so that pci_unin_init_irqs() can connect the PCI IRQs to the PIC itself. This can be simplified by defining the PCI IRQs as qdev gpios and then wiring up the PCI IRQs to the PIC in the New World machine init function. Signed-off-by: Mark Cave-Ayland Reviewed-by: Philippe Mathieu-Daudé --- hw/pci-host/uninorth.c | 45 +++++++--------------------------- hw/ppc/mac_newworld.c | 24 ++++++++++++------ include/hw/pci-host/uninorth.h | 2 -- 3 files changed, 25 insertions(+), 46 deletions(-) diff --git a/hw/pci-host/uninorth.c b/hw/pci-host/uninorth.c index 1ed1072eeb..0c0a9ecee1 100644 --- a/hw/pci-host/uninorth.c +++ b/hw/pci-host/uninorth.c @@ -32,8 +32,6 @@ #include "hw/pci-host/uninorth.h" #include "trace.h" -static const int unin_irq_line[] = { 0x1b, 0x1c, 0x1d, 0x1e }; - static int pci_unin_map_irq(PCIDevice *pci_dev, int irq_num) { return (irq_num + (pci_dev->devfn >> 3)) & 3; @@ -43,7 +41,7 @@ static void pci_unin_set_irq(void *opaque, int irq_num, int level) { UNINHostState *s = opaque; - trace_unin_set_irq(unin_irq_line[irq_num], level); + trace_unin_set_irq(irq_num, level); qemu_set_irq(s->irqs[irq_num], level); } @@ -112,15 +110,6 @@ static const MemoryRegionOps unin_data_ops = { .endianness = DEVICE_LITTLE_ENDIAN, }; -static void pci_unin_init_irqs(UNINHostState *s) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(s->irqs); i++) { - s->irqs[i] = qdev_get_gpio_in(DEVICE(s->pic), unin_irq_line[i]); - } -} - static char *pci_unin_main_ofw_unit_address(const SysBusDevice *dev) { UNINHostState *s = UNI_NORTH_PCI_HOST_BRIDGE(dev); @@ -141,7 +130,6 @@ static void pci_unin_main_realize(DeviceState *dev, Error **errp) PCI_DEVFN(11, 0), 4, TYPE_PCI_BUS); pci_create_simple(h->bus, PCI_DEVFN(11, 0), "uni-north-pci"); - pci_unin_init_irqs(s); /* DEC 21154 bridge */ #if 0 @@ -172,15 +160,12 @@ static void pci_unin_main_init(Object *obj) "unin-pci-hole", &s->pci_mmio, 0x80000000ULL, 0x10000000ULL); - object_property_add_link(obj, "pic", TYPE_OPENPIC, - (Object **) &s->pic, - qdev_prop_allow_set_link_before_realize, - 0); - sysbus_init_mmio(sbd, &h->conf_mem); sysbus_init_mmio(sbd, &h->data_mem); sysbus_init_mmio(sbd, &s->pci_hole); sysbus_init_mmio(sbd, &s->pci_io); + + qdev_init_gpio_out(DEVICE(obj), s->irqs, ARRAY_SIZE(s->irqs)); } static void pci_u3_agp_realize(DeviceState *dev, Error **errp) @@ -196,7 +181,6 @@ static void pci_u3_agp_realize(DeviceState *dev, Error **errp) PCI_DEVFN(11, 0), 4, TYPE_PCI_BUS); pci_create_simple(h->bus, PCI_DEVFN(11, 0), "u3-agp"); - pci_unin_init_irqs(s); } static void pci_u3_agp_init(Object *obj) @@ -220,15 +204,12 @@ static void pci_u3_agp_init(Object *obj) "unin-pci-hole", &s->pci_mmio, 0x80000000ULL, 0x70000000ULL); - object_property_add_link(obj, "pic", TYPE_OPENPIC, - (Object **) &s->pic, - qdev_prop_allow_set_link_before_realize, - 0); - sysbus_init_mmio(sbd, &h->conf_mem); sysbus_init_mmio(sbd, &h->data_mem); sysbus_init_mmio(sbd, &s->pci_hole); sysbus_init_mmio(sbd, &s->pci_io); + + qdev_init_gpio_out(DEVICE(obj), s->irqs, ARRAY_SIZE(s->irqs)); } static void pci_unin_agp_realize(DeviceState *dev, Error **errp) @@ -244,7 +225,6 @@ static void pci_unin_agp_realize(DeviceState *dev, Error **errp) PCI_DEVFN(11, 0), 4, TYPE_PCI_BUS); pci_create_simple(h->bus, PCI_DEVFN(11, 0), "uni-north-agp"); - pci_unin_init_irqs(s); } static void pci_unin_agp_init(Object *obj) @@ -259,13 +239,10 @@ static void pci_unin_agp_init(Object *obj) memory_region_init_io(&h->data_mem, OBJECT(h), &pci_host_data_le_ops, obj, "unin-agp-conf-data", 0x1000); - object_property_add_link(obj, "pic", TYPE_OPENPIC, - (Object **) &s->pic, - qdev_prop_allow_set_link_before_realize, - 0); - sysbus_init_mmio(sbd, &h->conf_mem); sysbus_init_mmio(sbd, &h->data_mem); + + qdev_init_gpio_out(DEVICE(obj), s->irqs, ARRAY_SIZE(s->irqs)); } static void pci_unin_internal_realize(DeviceState *dev, Error **errp) @@ -281,7 +258,6 @@ static void pci_unin_internal_realize(DeviceState *dev, Error **errp) PCI_DEVFN(14, 0), 4, TYPE_PCI_BUS); pci_create_simple(h->bus, PCI_DEVFN(14, 0), "uni-north-internal-pci"); - pci_unin_init_irqs(s); } static void pci_unin_internal_init(Object *obj) @@ -296,13 +272,10 @@ static void pci_unin_internal_init(Object *obj) memory_region_init_io(&h->data_mem, OBJECT(h), &pci_host_data_le_ops, obj, "unin-pci-conf-data", 0x1000); - object_property_add_link(obj, "pic", TYPE_OPENPIC, - (Object **) &s->pic, - qdev_prop_allow_set_link_before_realize, - 0); - sysbus_init_mmio(sbd, &h->conf_mem); sysbus_init_mmio(sbd, &h->data_mem); + + qdev_init_gpio_out(DEVICE(obj), s->irqs, ARRAY_SIZE(s->irqs)); } static void unin_main_pci_host_realize(PCIDevice *d, Error **errp) diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c index 6f5ef2e782..7a8dc09c8d 100644 --- a/hw/ppc/mac_newworld.c +++ b/hw/ppc/mac_newworld.c @@ -303,8 +303,6 @@ static void ppc_core99_init(MachineState *machine) /* 970 gets a U3 bus */ /* Uninorth AGP bus */ dev = qdev_new(TYPE_U3_AGP_HOST_BRIDGE); - object_property_set_link(OBJECT(dev), "pic", OBJECT(pic_dev), - &error_abort); sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); uninorth_pci = U3_AGP_HOST_BRIDGE(dev); s = SYS_BUS_DEVICE(dev); @@ -317,32 +315,38 @@ static void ppc_core99_init(MachineState *machine) sysbus_mmio_map(s, 0, 0xf0800000); sysbus_mmio_map(s, 1, 0xf0c00000); + for (i = 0; i < 4; i++) { + qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i)); + } + machine_arch = ARCH_MAC99_U3; } else { /* Use values found on a real PowerMac */ /* Uninorth AGP bus */ dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE); - object_property_set_link(OBJECT(dev), "pic", OBJECT(pic_dev), - &error_abort); s = SYS_BUS_DEVICE(dev); sysbus_realize_and_unref(s, &error_fatal); sysbus_mmio_map(s, 0, 0xf0800000); sysbus_mmio_map(s, 1, 0xf0c00000); + for (i = 0; i < 4; i++) { + qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i)); + } + /* Uninorth internal bus */ dev = qdev_new(TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE); - object_property_set_link(OBJECT(dev), "pic", OBJECT(pic_dev), - &error_abort); s = SYS_BUS_DEVICE(dev); sysbus_realize_and_unref(s, &error_fatal); sysbus_mmio_map(s, 0, 0xf4800000); sysbus_mmio_map(s, 1, 0xf4c00000); + for (i = 0; i < 4; i++) { + qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i)); + } + /* Uninorth main bus */ dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE); qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000); - object_property_set_link(OBJECT(dev), "pic", OBJECT(pic_dev), - &error_abort); sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); uninorth_pci = UNI_NORTH_PCI_HOST_BRIDGE(dev); s = SYS_BUS_DEVICE(dev); @@ -355,6 +359,10 @@ static void ppc_core99_init(MachineState *machine) sysbus_mmio_map(s, 0, 0xf2800000); sysbus_mmio_map(s, 1, 0xf2c00000); + for (i = 0; i < 4; i++) { + qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i)); + } + machine_arch = ARCH_MAC99; } diff --git a/include/hw/pci-host/uninorth.h b/include/hw/pci-host/uninorth.h index a6ba5f21a8..62bd81e721 100644 --- a/include/hw/pci-host/uninorth.h +++ b/include/hw/pci-host/uninorth.h @@ -26,7 +26,6 @@ #define UNINORTH_H #include "hw/pci/pci_host.h" -#include "hw/ppc/openpic.h" #include "qom/object.h" /* UniNorth version */ @@ -51,7 +50,6 @@ struct UNINHostState { PCIHostState parent_obj; uint32_t ofw_addr; - OpenPICState *pic; qemu_irq irqs[4]; MemoryRegion pci_mmio; MemoryRegion pci_hole;