From patchwork Wed Sep 6 02:50:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: zhaotianrui X-Patchwork-Id: 13375231 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 583E4EB8FAD for ; Wed, 6 Sep 2023 02:51:03 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qdicW-0000P4-NP; Tue, 05 Sep 2023 22:50:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qdicU-0000Ow-Vf for qemu-devel@nongnu.org; Tue, 05 Sep 2023 22:50:19 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qdicR-0002Qz-JK for qemu-devel@nongnu.org; Tue, 05 Sep 2023 22:50:18 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8Cx5_HZ6PdkMwkgAA--.64279S3; Wed, 06 Sep 2023 10:50:01 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Cx_c7Y6Pdk8eltAA--.1921S2; Wed, 06 Sep 2023 10:50:00 +0800 (CST) From: Tianrui Zhao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, gaosong@loongson.cn, maobibo@loongson.cn, yangxiaojuan@loongson.cn, zhaotianrui@loongson.cn Subject: [PATCH] hw/loongarch: Add virtio-mmio bus support Date: Wed, 6 Sep 2023 10:50:00 +0800 Message-Id: <20230906025000.3101766-1-zhaotianrui@loongson.cn> X-Mailer: git-send-email 2.39.1 MIME-Version: 1.0 X-CM-TRANSID: AQAAf8Cx_c7Y6Pdk8eltAA--.1921S2 X-CM-SenderInfo: p2kd03xldq233l6o00pqjv00gofq/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass client-ip=114.242.206.163; envelope-from=zhaotianrui@loongson.cn; helo=mail.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_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: 2.1.29 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add virtio-mmio bus support for LoongArch, so that devices could be added in the virtio-mmio bus. Signed-off-by: Tianrui Zhao --- hw/loongarch/Kconfig | 1 + hw/loongarch/virt.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/hw/loongarch/Kconfig b/hw/loongarch/Kconfig index 1e7c5b43c5..01ab8ce8e7 100644 --- a/hw/loongarch/Kconfig +++ b/hw/loongarch/Kconfig @@ -22,3 +22,4 @@ config LOONGARCH_VIRT select DIMM select PFLASH_CFI01 select ACPI_HMAT + select VIRTIO_MMIO diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index 2629128aed..06f4bc3a5e 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -560,6 +560,9 @@ static void loongarch_devices_init(DeviceState *pch_pic, LoongArchMachineState * VIRT_RTC_IRQ - VIRT_GSI_BASE)); fdt_add_rtc_node(lams); + /* virtio-mmio device */ + sysbus_create_simple("virtio-mmio", 0x1e200000, qdev_get_gpio_in(pch_pic, 7)); + pm_mem = g_new(MemoryRegion, 1); memory_region_init_io(pm_mem, NULL, &loongarch_virt_pm_ops, NULL, "loongarch_virt_pm", PM_SIZE);