From patchwork Tue May 24 08:17:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaojuan Yang X-Patchwork-Id: 12859867 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 3DDE9C433EF for ; Tue, 24 May 2022 09:00:07 +0000 (UTC) Received: from localhost ([::1]:57874 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ntQOc-0000bD-4h for qemu-devel@archiver.kernel.org; Tue, 24 May 2022 05:00:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57150) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ntPkr-0006V4-PD for qemu-devel@nongnu.org; Tue, 24 May 2022 04:19:01 -0400 Received: from mail.loongson.cn ([114.242.206.163]:47388 helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ntPkp-0002FK-EW for qemu-devel@nongnu.org; Tue, 24 May 2022 04:19:01 -0400 Received: from localhost.localdomain (unknown [10.2.5.185]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Axqti8lIxi2v8gAA--.27451S39; Tue, 24 May 2022 16:18:45 +0800 (CST) From: Xiaojuan Yang To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, gaosong@loongson.cn, mark.cave-ayland@ilande.co.uk, mst@redhat.com, imammedo@redhat.com, ani@anisinha.ca Subject: [PATCH v5 37/43] hw/loongarch: Add some devices support for 3A5000. Date: Tue, 24 May 2022 16:17:58 +0800 Message-Id: <20220524081804.3608101-38-yangxiaojuan@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220524081804.3608101-1-yangxiaojuan@loongson.cn> References: <20220524081804.3608101-1-yangxiaojuan@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf9Axqti8lIxi2v8gAA--.27451S39 X-Coremail-Antispam: 1UD129KBjvJXoWxKr4xuFW7Jr13Ary5XrWrZrb_yoW7AF45pF 15Ca95GrW8tFsrXr93tr1fWF15Xan7Ga47uayfZa4vkr1xCr1DZw4kKayDtFWUJFWkXryY gFykGwnag3WUZw7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 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, T_SCC_BODY_TEXT_LINE=-0.01 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: , 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 16-64. 3.Add some unimplented device to emulate guest unused memory space. Signed-off-by: Xiaojuan Yang Signed-off-by: Song Gao Acked-by: Richard Henderson --- hw/loongarch/Kconfig | 7 ++++ hw/loongarch/loongson3.c | 77 ++++++++++++++++++++++++++++++++++++++ include/hw/pci-host/ls7a.h | 8 ++++ 3 files changed, 92 insertions(+) diff --git a/hw/loongarch/Kconfig b/hw/loongarch/Kconfig index f779087416..8552ff4bee 100644 --- a/hw/loongarch/Kconfig +++ b/hw/loongarch/Kconfig @@ -2,6 +2,13 @@ config LOONGARCH_VIRT bool select PCI select PCI_EXPRESS_GENERIC_BRIDGE + imply VGA_PCI + imply VIRTIO_VGA + imply PCI_DEVICES + select ISA_BUS + select SERIAL + select SERIAL_ISA + select VIRTIO_PCI select LOONGARCH_IPI select LOONGARCH_PCH_PIC select LOONGARCH_PCH_MSI diff --git a/hw/loongarch/loongson3.c b/hw/loongarch/loongson3.c index 7a5c61e2df..7bc17113dc 100644 --- a/hw/loongarch/loongson3.c +++ b/hw/loongarch/loongson3.c @@ -9,6 +9,7 @@ #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 "sysemu/runstate.h" @@ -16,14 +17,88 @@ #include "sysemu/rtc.h" #include "hw/loongarch/virt.h" #include "exec/address-spaces.h" +#include "hw/irq.h" +#include "net/net.h" #include "hw/intc/loongarch_ipi.h" #include "hw/intc/loongarch_extioi.h" #include "hw/intc/loongarch_pch_pic.h" #include "hw/intc/loongarch_pch_msi.h" #include "hw/pci-host/ls7a.h" +#include "hw/pci-host/gpex.h" +#include "hw/misc/unimp.h" #include "target/loongarch/cpu.h" +static void loongarch_devices_init(DeviceState *pch_pic) +{ + DeviceState *gpex_dev; + SysBusDevice *d; + PCIBus *pci_bus; + MemoryRegion *ecam_alias, *ecam_reg, *pio_alias, *pio_reg; + MemoryRegion *mmio_alias, *mmio_reg; + int i; + + gpex_dev = qdev_new(TYPE_GPEX_HOST); + d = SYS_BUS_DEVICE(gpex_dev); + sysbus_realize_and_unref(d, &error_fatal); + pci_bus = PCI_HOST_BRIDGE(gpex_dev)->bus; + + /* Map only part size_ecam bytes of ECAM space */ + ecam_alias = g_new0(MemoryRegion, 1); + ecam_reg = sysbus_mmio_get_region(d, 0); + memory_region_init_alias(ecam_alias, OBJECT(gpex_dev), "pcie-ecam", + ecam_reg, 0, LS_PCIECFG_SIZE); + memory_region_add_subregion(get_system_memory(), LS_PCIECFG_BASE, + ecam_alias); + + /* Map PCI mem space */ + mmio_alias = g_new0(MemoryRegion, 1); + mmio_reg = sysbus_mmio_get_region(d, 1); + memory_region_init_alias(mmio_alias, OBJECT(gpex_dev), "pcie-mmio", + mmio_reg, LS7A_PCI_MEM_BASE, LS7A_PCI_MEM_SIZE); + memory_region_add_subregion(get_system_memory(), LS7A_PCI_MEM_BASE, + mmio_alias); + + /* Map PCI IO port space. */ + pio_alias = g_new0(MemoryRegion, 1); + pio_reg = sysbus_mmio_get_region(d, 2); + memory_region_init_alias(pio_alias, OBJECT(gpex_dev), "pcie-io", pio_reg, + LS7A_PCI_IO_OFFSET, LS7A_PCI_IO_SIZE); + memory_region_add_subregion(get_system_memory(), LS7A_PCI_IO_BASE, + pio_alias); + + for (i = 0; i < GPEX_NUM_IRQS; i++) { + sysbus_connect_irq(d, i, + qdev_get_gpio_in(pch_pic, 16 + i)); + gpex_set_irq_num(GPEX_HOST(gpex_dev), i, 16 + i); + } + + serial_mm_init(get_system_memory(), LS7A_UART_BASE, 0, + qdev_get_gpio_in(pch_pic, + LS7A_UART_IRQ - PCH_PIC_IRQ_OFFSET), + 115200, serial_hd(0), DEVICE_LITTLE_ENDIAN); + + /* Network init */ + 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); + } + + /* VGA setup */ + pci_vga_init(pci_bus); + + /* + * There are some invalid guest memory access. + * Create some unimplemented devices to emulate this. + */ + create_unimplemented_device("pci-dma-cfg", 0x1001041c, 0x4); +} + static void loongarch_irq_init(LoongArchMachineState *lams) { MachineState *ms = MACHINE(lams); @@ -118,6 +193,8 @@ static void loongarch_irq_init(LoongArchMachineState *lams) qdev_connect_gpio_out(DEVICE(d), i, qdev_get_gpio_in(extioi, i + PCH_MSI_IRQ_START)); } + + loongarch_devices_init(pch_pic); } static void loongarch_init(MachineState *machine) diff --git a/include/hw/pci-host/ls7a.h b/include/hw/pci-host/ls7a.h index bf80e99ce1..f57417b096 100644 --- a/include/hw/pci-host/ls7a.h +++ b/include/hw/pci-host/ls7a.h @@ -15,6 +15,12 @@ #include "qemu/range.h" #include "qom/object.h" +#define LS7A_PCI_IO_OFFSET 0x4000 +#define LS_PCIECFG_BASE 0x20000000 +#define LS_PCIECFG_SIZE 0x08000000 +#define LS7A_PCI_IO_BASE 0x18004000UL +#define LS7A_PCI_IO_SIZE 0xC000 + #define LS7A_PCH_REG_BASE 0x10000000UL #define LS7A_IOAPIC_REG_BASE (LS7A_PCH_REG_BASE) #define LS7A_PCH_MSI_ADDR_LOW 0x2FF00000UL @@ -27,4 +33,6 @@ #define PCH_PIC_IRQ_OFFSET 64 #define LS7A_DEVICE_IRQS 16 #define LS7A_PCI_IRQS 48 +#define LS7A_UART_IRQ (PCH_PIC_IRQ_OFFSET + 2) +#define LS7A_UART_BASE 0x1fe001e0 #endif