From patchwork Tue Aug 2 18:07:26 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 655078 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3s3ksy27fvz9sCY for ; Wed, 3 Aug 2016 04:16:22 +1000 (AEST) Received: from localhost ([::1]:58281 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bUeEm-0002uH-9g for incoming@patchwork.ozlabs.org; Tue, 02 Aug 2016 14:16:20 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54053) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bUe6j-0003lN-Mr for qemu-devel@nongnu.org; Tue, 02 Aug 2016 14:08:02 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bUe6h-00017m-ER for qemu-devel@nongnu.org; Tue, 02 Aug 2016 14:08:00 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43880) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bUe6a-00013i-TZ; Tue, 02 Aug 2016 14:07:53 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8698E4E038; Tue, 2 Aug 2016 18:07:52 +0000 (UTC) Received: from localhost.localdomain.com (vpn1-7-58.ams2.redhat.com [10.36.7.58]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u72I7UL9024790; Tue, 2 Aug 2016 14:07:49 -0400 From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, peter.maydell@linaro.org, qemu-arm@nongnu.org, qemu-devel@nongnu.org, p.fedin@samsung.com Date: Tue, 2 Aug 2016 20:07:26 +0200 Message-Id: <1470161247-10251-7-git-send-email-eric.auger@redhat.com> In-Reply-To: <1470161247-10251-1-git-send-email-eric.auger@redhat.com> References: <1470161247-10251-1-git-send-email-eric.auger@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Tue, 02 Aug 2016 18:07:52 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [RFC v5 6/7] arm/virt: Add ITS to the virt board X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: drjones@redhat.com, tn@semihalf.com, shlomopongratz@gmail.com, shannon.zhao@linaro.org, diana.craciun@freescale.com, christoffer.dall@linaro.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Pavel Fedin If supported by the configuration, ITS will be added automatically. This patch also renames v2m_phandle to msi_phandle because it's now used by both MSI implementations. Signed-off-by: Pavel Fedin Signed-off-by: Eric Auger Reviewed-by: Peter Maydell --- v3 -> v4: - added Peter's R-b --- hw/arm/virt.c | 47 +++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 41 insertions(+), 6 deletions(-) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index a193b5a..c5f65dd 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -76,7 +76,7 @@ typedef struct VirtBoardInfo { int fdt_size; uint32_t clock_phandle; uint32_t gic_phandle; - uint32_t v2m_phandle; + uint32_t msi_phandle; bool using_psci; } VirtBoardInfo; @@ -423,9 +423,22 @@ static void fdt_add_cpu_nodes(const VirtBoardInfo *vbi) } } +static void fdt_add_its_gic_node(VirtBoardInfo *vbi) +{ + vbi->msi_phandle = qemu_fdt_alloc_phandle(vbi->fdt); + qemu_fdt_add_subnode(vbi->fdt, "/intc/its"); + qemu_fdt_setprop_string(vbi->fdt, "/intc/its", "compatible", + "arm,gic-v3-its"); + qemu_fdt_setprop(vbi->fdt, "/intc/its", "msi-controller", NULL, 0); + qemu_fdt_setprop_sized_cells(vbi->fdt, "/intc/its", "reg", + 2, vbi->memmap[VIRT_GIC_ITS].base, + 2, vbi->memmap[VIRT_GIC_ITS].size); + qemu_fdt_setprop_cell(vbi->fdt, "/intc/its", "phandle", vbi->msi_phandle); +} + static void fdt_add_v2m_gic_node(VirtBoardInfo *vbi) { - vbi->v2m_phandle = qemu_fdt_alloc_phandle(vbi->fdt); + vbi->msi_phandle = qemu_fdt_alloc_phandle(vbi->fdt); qemu_fdt_add_subnode(vbi->fdt, "/intc/v2m"); qemu_fdt_setprop_string(vbi->fdt, "/intc/v2m", "compatible", "arm,gic-v2m-frame"); @@ -433,7 +446,7 @@ static void fdt_add_v2m_gic_node(VirtBoardInfo *vbi) qemu_fdt_setprop_sized_cells(vbi->fdt, "/intc/v2m", "reg", 2, vbi->memmap[VIRT_GIC_V2M].base, 2, vbi->memmap[VIRT_GIC_V2M].size); - qemu_fdt_setprop_cell(vbi->fdt, "/intc/v2m", "phandle", vbi->v2m_phandle); + qemu_fdt_setprop_cell(vbi->fdt, "/intc/v2m", "phandle", vbi->msi_phandle); } static void fdt_add_gic_node(VirtBoardInfo *vbi, int type) @@ -500,6 +513,26 @@ static void fdt_add_pmu_nodes(const VirtBoardInfo *vbi, int gictype) } } +static void create_its(VirtBoardInfo *vbi, DeviceState *gicdev) +{ + const char *itsclass = its_class_name(); + DeviceState *dev; + + if (!itsclass) { + /* Do nothing if not supported */ + return; + } + + dev = qdev_create(NULL, itsclass); + + object_property_set_link(OBJECT(dev), OBJECT(gicdev), "parent-gicv3", + &error_abort); + qdev_init_nofail(dev); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, vbi->memmap[VIRT_GIC_ITS].base); + + fdt_add_its_gic_node(vbi); +} + static void create_v2m(VirtBoardInfo *vbi, qemu_irq *pic) { int i; @@ -583,7 +616,9 @@ static void create_gic(VirtBoardInfo *vbi, qemu_irq *pic, int type, bool secure) fdt_add_gic_node(vbi, type); - if (type == 2) { + if (type == 3) { + create_its(vbi, gicdev); + } else { create_v2m(vbi, pic); } } @@ -1025,9 +1060,9 @@ static void create_pcie(const VirtBoardInfo *vbi, qemu_irq *pic, nr_pcie_buses - 1); qemu_fdt_setprop(vbi->fdt, nodename, "dma-coherent", NULL, 0); - if (vbi->v2m_phandle) { + if (vbi->msi_phandle) { qemu_fdt_setprop_cells(vbi->fdt, nodename, "msi-parent", - vbi->v2m_phandle); + vbi->msi_phandle); } qemu_fdt_setprop_sized_cells(vbi->fdt, nodename, "reg",