From patchwork Thu Nov 11 01:35:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaojuan Yang X-Patchwork-Id: 12613827 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DFA05C433F5 for ; Thu, 11 Nov 2021 02:00:55 +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 6D58661212 for ; Thu, 11 Nov 2021 02:00:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6D58661212 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:34698 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mkzOY-0007Us-IY for qemu-devel@archiver.kernel.org; Wed, 10 Nov 2021 21:00:54 -0500 Received: from eggs.gnu.org ([209.51.188.92]:54028) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkz0m-0006WS-NJ for qemu-devel@nongnu.org; Wed, 10 Nov 2021 20:36:20 -0500 Received: from mail.loongson.cn ([114.242.206.163]:54256 helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mkz0k-0001qa-Ff for qemu-devel@nongnu.org; Wed, 10 Nov 2021 20:36:20 -0500 Received: from kvm-dev1.localdomain (unknown [10.2.5.134]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Dxr9Ngc4xh9RMCAA--.4955S25; Thu, 11 Nov 2021 09:36:05 +0800 (CST) From: Xiaojuan Yang To: qemu-devel@nongnu.org Subject: [RFC PATCH v2 23/30] hw/loongarch: Add some devices support for 3A5000. Date: Thu, 11 Nov 2021 09:35:21 +0800 Message-Id: <1636594528-8175-24-git-send-email-yangxiaojuan@loongson.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1636594528-8175-1-git-send-email-yangxiaojuan@loongson.cn> References: <1636594528-8175-1-git-send-email-yangxiaojuan@loongson.cn> X-CM-TRANSID: AQAAf9Dxr9Ngc4xh9RMCAA--.4955S25 X-Coremail-Antispam: 1UD129KBjvJXoW3Gr43Wr47Ar4rKr17CrykKrg_yoWxKw4UpF s8CFs8tF48KrsruFZ3J347ZF15Xan7G343Zr4xC348KFWqyryqyr1kt3y2yFyUJFZ8XF1Y 9Fyvk3WIga1UZr7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnUUvcSsGvfC2KfnxnUUI43ZEXa7xR_UUUUUUUUU== X-CM-SenderInfo: p1dqw5xldry3tdq6z05rqj20fqof0/ Received-SPF: pass client-ip=114.242.206.163; envelope-from=yangxiaojuan@loongson.cn; helo=loongson.cn 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_PASS=-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: , Cc: Song Gao Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 1.Add uart,virtio-net,vga and usb for 3A5000. 2.Add irq set and map for the pci host. Non pci device use irq 0-16, pci device use 16-31. 3.Add some unimplented device to emulate guest unused memory space. Signed-off-by: Xiaojuan Yang Signed-off-by: Song Gao --- hw/loongarch/Kconfig | 8 ++++++ hw/loongarch/ls3a5000_virt.c | 49 ++++++++++++++++++++++++++++++++++++ hw/pci-host/ls7a.c | 38 ++++++++++++++++++++++++++-- include/hw/pci-host/ls7a.h | 4 +++ softmmu/qdev-monitor.c | 3 ++- 5 files changed, 99 insertions(+), 3 deletions(-) diff --git a/hw/loongarch/Kconfig b/hw/loongarch/Kconfig index 9212127701..e5f85d9c7f 100644 --- a/hw/loongarch/Kconfig +++ b/hw/loongarch/Kconfig @@ -1,5 +1,13 @@ config LOONGSON_3A5000 bool + imply VGA_PCI + imply VIRTIO_VGA + imply PARALLEL + imply PCI_DEVICES + select ISA_BUS + select SERIAL + select SERIAL_ISA + select VIRTIO_PCI select PCI_EXPRESS_7A select LOONGARCH_PCH_PIC select LOONGARCH_PCH_MSI diff --git a/hw/loongarch/ls3a5000_virt.c b/hw/loongarch/ls3a5000_virt.c index 59a79807e0..f780cca608 100644 --- a/hw/loongarch/ls3a5000_virt.c +++ b/hw/loongarch/ls3a5000_virt.c @@ -10,8 +10,11 @@ #include "qemu/datadir.h" #include "qapi/error.h" #include "hw/boards.h" +#include "hw/char/serial.h" #include "sysemu/sysemu.h" #include "sysemu/qtest.h" +#include "hw/irq.h" +#include "net/net.h" #include "sysemu/runstate.h" #include "sysemu/reset.h" #include "hw/loongarch/loongarch.h" @@ -19,6 +22,7 @@ #include "hw/intc/loongarch_pch_pic.h" #include "hw/intc/loongarch_pch_msi.h" #include "hw/pci-host/ls7a.h" +#include "hw/misc/unimp.h" CPULoongArchState *cpu_states[LOONGARCH_MAX_VCPUS]; @@ -150,6 +154,10 @@ static void ls3a5000_irq_init(MachineState *machine, CPULoongArchState *env[]) sysbus_realize_and_unref(d, &error_fatal); sysbus_mmio_map(d, 0, LS7A_IOAPIC_REG_BASE); + serial_mm_init(get_system_memory(), LS7A_UART_BASE, 0, + qdev_get_gpio_in(pch_pic, LS7A_UART_IRQ - 64), + 115200, serial_hd(0), DEVICE_NATIVE_ENDIAN); + for (int i = 0; i < 32; i++) { sysbus_connect_irq(d, i, lams->pch_irq[i]); } @@ -163,6 +171,22 @@ static void ls3a5000_irq_init(MachineState *machine, CPULoongArchState *env[]) } } +/* Network support */ +static void network_init(PCIBus *pci_bus) +{ + int i; + + for (i = 0; i < nb_nics; i++) { + NICInfo *nd = &nd_table[i]; + + if (!nd->model) { + nd->model = g_strdup("virtio"); + } + + pci_nic_init_nofail(nd, pci_bus, nd->model, NULL); + } +} + static void ls3a5000_virt_init(MachineState *machine) { const char *cpu_model = machine->cpu_type; @@ -176,6 +200,7 @@ static void ls3a5000_virt_init(MachineState *machine) LoongArchMachineState *lams = LOONGARCH_MACHINE(machine); int i; MemoryRegion *iomem = NULL; + PCIBus *pci_bus = NULL; if (!cpu_model) { cpu_model = LOONGARCH_CPU_TYPE_NAME("Loongson-3A5000"); @@ -240,9 +265,33 @@ static void ls3a5000_virt_init(MachineState *machine) memory_region_add_subregion(address_space_mem, PM_MMIO_ADDR, iomem); + /* + * There are some invalid guest memory access. + * Create some unimplemented devices to emulate this. + */ + create_unimplemented_device("ls7a-lpc", 0x10002000, 0x14); + create_unimplemented_device("pci-dma-cfg", 0x1001041c, 0x4); + create_unimplemented_device("node-bridge", 0xEFDFB000274, 0x4); + create_unimplemented_device("ls7a-lionlpc", 0x1fe01400, 0x38); + create_unimplemented_device("ls7a-node0", 0x0EFDFB000274, 0x4); + create_unimplemented_device("ls7a-node1", 0x1EFDFB000274, 0x4); + create_unimplemented_device("ls7a-node2", 0x2EFDFB000274, 0x4); + create_unimplemented_device("ls7a-node3", 0x3EFDFB000274, 0x4); + /* Initialize the IO interrupt subsystem */ ls3a5000_irq_init(machine, cpu_states); + /* Init the north bridge */ + pci_bus = ls7a_init(machine, lams->pch_irq); + + /* Network card */ + network_init(pci_bus); + + /* VGA setup. Don't bother loading the bios. */ + pci_vga_init(pci_bus); + + pci_create_simple(pci_bus, -1, "pci-ohci"); + LOONGARCH_SIMPLE_MMIO_OPS(FEATURE_REG, "loongarch_feature", 0x8); LOONGARCH_SIMPLE_MMIO_OPS(VENDOR_REG, "loongarch_vendor", 0x8); LOONGARCH_SIMPLE_MMIO_OPS(CPUNAME_REG, "loongarch_cpuname", 0x8); diff --git a/hw/pci-host/ls7a.c b/hw/pci-host/ls7a.c index 90b9fe4830..294715801f 100644 --- a/hw/pci-host/ls7a.c +++ b/hw/pci-host/ls7a.c @@ -27,6 +27,38 @@ static const VMStateDescription vmstate_ls7a_pcie = { } }; +static PCIINTxRoute ls7a_route_intx_pin_to_irq(void *opaque, int pin) +{ + PCIINTxRoute route; + + route.irq = pin; + route.mode = PCI_INTX_ENABLED; + return route; +} + +static int pci_ls7a_map_irq(PCIDevice *d, int irq_num) +{ + PCIBus *bus; + int irq; + + bus = pci_get_bus(d); + if (bus->parent_dev) { + irq = pci_swizzle_map_irq_fn(d, irq_num); + return irq; + } + + irq = 64 + 16 + ((PCI_SLOT(d->devfn) * 4 + irq_num) & 0xf); + + return irq; +} + +static void pci_ls7a_set_irq(void *opaque, int irq_num, int level) +{ + LS7APCIEHost *pciehost = opaque; + + qemu_set_irq(pciehost->pic[irq_num - 64], level); +} + static void pci_ls7a_config_write(void *opaque, hwaddr addr, uint64_t val, unsigned size) { @@ -63,11 +95,13 @@ static void ls7a_pciehost_realize(DeviceState *dev, Error **errp) PCIExpressHost *e = PCIE_HOST_BRIDGE(dev); PCIHostState *phb = PCI_HOST_BRIDGE(e); - phb->bus = pci_register_root_bus(dev, "pcie.0", NULL, - NULL, pciehost, + phb->bus = pci_register_root_bus(dev, "pcie.0", pci_ls7a_set_irq, + pci_ls7a_map_irq, pciehost, get_system_memory(), get_system_io(), PCI_DEVFN(1, 0), 128, TYPE_PCIE_BUS); + pci_bus_set_route_irq_fn(phb->bus, ls7a_route_intx_pin_to_irq); + memory_region_init_io(&pciehost->pci_conf, OBJECT(dev), &pci_ls7a_config_ops, phb->bus, "ls7a_pci_conf", HT1LO_PCICFG_SIZE); diff --git a/include/hw/pci-host/ls7a.h b/include/hw/pci-host/ls7a.h index b57277f206..96c9d22f33 100644 --- a/include/hw/pci-host/ls7a.h +++ b/include/hw/pci-host/ls7a.h @@ -27,6 +27,10 @@ #define LS7A_IOAPIC_REG_BASE (LS7A_PCH_REG_BASE) #define LS7A_PCH_MSI_ADDR_LOW 0x2FF00000UL +#define LOONGARCH_PCH_IRQ_BASE 64 +#define LS7A_UART_IRQ (LOONGARCH_PCH_IRQ_BASE + 2) +#define LS7A_UART_BASE 0x1fe001e0 + typedef struct LS7APCIState LS7APCIState; typedef struct LS7APCIEHost { PCIExpressHost parent_obj; diff --git a/softmmu/qdev-monitor.c b/softmmu/qdev-monitor.c index f8b3a4cd82..e2402d1b81 100644 --- a/softmmu/qdev-monitor.c +++ b/softmmu/qdev-monitor.c @@ -60,7 +60,8 @@ typedef struct QDevAlias QEMU_ARCH_HPPA | QEMU_ARCH_I386 | \ QEMU_ARCH_MIPS | QEMU_ARCH_PPC | \ QEMU_ARCH_RISCV | QEMU_ARCH_SH4 | \ - QEMU_ARCH_SPARC | QEMU_ARCH_XTENSA) + QEMU_ARCH_SPARC | QEMU_ARCH_XTENSA | \ + QEMU_ARCH_LOONGARCH) #define QEMU_ARCH_VIRTIO_CCW (QEMU_ARCH_S390X) #define QEMU_ARCH_VIRTIO_MMIO (QEMU_ARCH_M68K)