qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Qemu-devel] [PATCH v3 17/26] Add i21154 bridge chip.


From: Jason Baron
Subject: [Qemu-devel] [PATCH v3 17/26] Add i21154 bridge chip.
Date: Fri, 19 Oct 2012 16:43:37 -0400

From: Jason Baron <address@hidden>

This adds support for the DECchip 21154 PCI bridge.

Signed-off-by: Isaku Yamahata <address@hidden>
Signed-off-by: Jason Baron <address@hidden>
---
 hw/Makefile.objs |    2 +-
 hw/i21154.c      |  113 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 hw/i21154.h      |    9 ++++
 3 files changed, 123 insertions(+), 1 deletions(-)
 create mode 100644 hw/i21154.c
 create mode 100644 hw/i21154.h

diff --git a/hw/Makefile.objs b/hw/Makefile.objs
index ef444d8..eb18a55 100644
--- a/hw/Makefile.objs
+++ b/hw/Makefile.objs
@@ -9,7 +9,7 @@ common-obj-$(CONFIG_PCI) += shpc.o
 common-obj-$(CONFIG_PCI) += slotid_cap.o
 common-obj-$(CONFIG_PCI) += pci_host.o pcie_host.o
 common-obj-$(CONFIG_PCI) += ioh3420.o xio3130_upstream.o xio3130_downstream.o
-common-obj-$(CONFIG_PCI) += i82801b11.o
+common-obj-$(CONFIG_PCI) += i82801b11.o i21154.o
 common-obj-y += watchdog.o
 common-obj-$(CONFIG_ISA_MMIO) += isa_mmio.o
 common-obj-$(CONFIG_ECC) += ecc.o
diff --git a/hw/i21154.c b/hw/i21154.c
new file mode 100644
index 0000000..93faa59
--- /dev/null
+++ b/hw/i21154.c
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2006 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to 
deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+/*
+ * QEMU i21154 PCI Bridge Emulation
+ *
+ *  Copyright (c) 2009, 2010, 2011
+ *                Isaku Yamahata <yamahata at valinux co jp>
+ *                VA Linux Systems Japan K.K.
+ *  Copyright (C) 2012 Jason Baron <address@hidden>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>
+ */
+
+#include "i21154.h"
+#include "pci_ids.h"
+#include "pci.h"
+#include "pci_bridge.h"
+#include "pci_internals.h"
+
+/* i21154 pci bridge*/
+
+typedef struct I21154Bridge {
+    PCIBridge br;
+} I21154Bridge;
+
+static int i21154_bridge_initfn(PCIDevice *d)
+{
+    int rc;
+
+    rc = pci_bridge_initfn(d);
+    if (rc < 0) {
+        return rc;
+    }
+
+    return 0;
+}
+
+#define I21154_REV            0x05
+#define I21154_PI             0x00
+
+static void i21154_bridge_class_init(ObjectClass *klass, void *data)
+{
+    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+    k->is_bridge = 1;
+    k->vendor_id = PCI_VENDOR_ID_DEC;
+    k->device_id = PCI_DEVICE_ID_DEC_21154;
+    k->revision = I21154_REV;
+    k->init = i21154_bridge_initfn;
+}
+
+static const TypeInfo i21154_bridge_info = {
+    .name          = "i21154-bridge",
+    .parent        = TYPE_PCI_DEVICE,
+    .instance_size = sizeof(I21154Bridge),
+    .class_init    = i21154_bridge_class_init,
+};
+
+PCIBridge *i21154_init(PCIBus *bus, int devfn, const char *bus_name,
+                              bool multifunction)
+{
+    PCIDevice *d;
+    PCIBridge *br;
+    DeviceState *qdev;
+
+    d = pci_create_multifunction(bus, devfn, multifunction, "i21154-bridge");
+    if (!d) {
+        return NULL;
+    }
+    br = DO_UPCAST(PCIBridge, dev, d);
+    qdev = &br->dev.qdev;
+
+    pci_bridge_map_irq(br, bus_name, pci_swizzle_map_irq_fn);
+    qdev_init_nofail(qdev);
+
+    return br;
+}
+
+static void i21154_register(void)
+{
+    type_register_static(&i21154_bridge_info);
+}
+type_init(i21154_register);
diff --git a/hw/i21154.h b/hw/i21154.h
new file mode 100644
index 0000000..0cf8753
--- /dev/null
+++ b/hw/i21154.h
@@ -0,0 +1,9 @@
+#ifndef QEMU_I21154_H
+#define QEMU_I21154_H
+
+#include "pci.h"
+
+PCIBridge *i21154_init(PCIBus *bus, int devfn, const char *bus_name,
+                              bool multifunction);
+
+#endif /* QEMU_I21154_H */
-- 
1.7.1




reply via email to

[Prev in Thread] Current Thread [Next in Thread]