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authorJuan Quintela <quintela@redhat.com>2009-08-28 15:28:13 +0200
committerAnthony Liguori <aliguori@us.ibm.com>2009-09-04 09:37:22 -0500
commit823e675a073be146a119bb9056ca9f02eb951448 (patch)
treefd1891c21c987a3a8f85498c7f43b5c855b1344f /hw/piix4.c
parenta4bf1f3e17fe686159c050f8063a6c076f7ba8a2 (diff)
Split piix4 support from piix_pci.c
Now mips_malta uses piix4 and pc's use piix_pci definitions Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/piix4.c')
-rw-r--r--hw/piix4.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/hw/piix4.c b/hw/piix4.c
new file mode 100644
index 000000000..a9849eeeb
--- /dev/null
+++ b/hw/piix4.c
@@ -0,0 +1,128 @@
+/*
+ * QEMU PIIX4 PCI Bridge Emulation
+ *
+ * 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.
+ */
+
+#include "hw.h"
+#include "pc.h"
+#include "pci.h"
+#include "isa.h"
+#include "sysbus.h"
+
+PCIDevice *piix4_dev;
+
+static void piix4_reset(void *opaque)
+{
+ PCIDevice *d = opaque;
+ uint8_t *pci_conf = d->config;
+
+ pci_conf[0x04] = 0x07; // master, memory and I/O
+ pci_conf[0x05] = 0x00;
+ pci_conf[0x06] = 0x00;
+ pci_conf[0x07] = 0x02; // PCI_status_devsel_medium
+ pci_conf[0x4c] = 0x4d;
+ pci_conf[0x4e] = 0x03;
+ pci_conf[0x4f] = 0x00;
+ pci_conf[0x60] = 0x0a; // PCI A -> IRQ 10
+ pci_conf[0x61] = 0x0a; // PCI B -> IRQ 10
+ pci_conf[0x62] = 0x0b; // PCI C -> IRQ 11
+ pci_conf[0x63] = 0x0b; // PCI D -> IRQ 11
+ pci_conf[0x69] = 0x02;
+ pci_conf[0x70] = 0x80;
+ pci_conf[0x76] = 0x0c;
+ pci_conf[0x77] = 0x0c;
+ pci_conf[0x78] = 0x02;
+ pci_conf[0x79] = 0x00;
+ pci_conf[0x80] = 0x00;
+ pci_conf[0x82] = 0x00;
+ pci_conf[0xa0] = 0x08;
+ pci_conf[0xa2] = 0x00;
+ pci_conf[0xa3] = 0x00;
+ pci_conf[0xa4] = 0x00;
+ pci_conf[0xa5] = 0x00;
+ pci_conf[0xa6] = 0x00;
+ pci_conf[0xa7] = 0x00;
+ pci_conf[0xa8] = 0x0f;
+ pci_conf[0xaa] = 0x00;
+ pci_conf[0xab] = 0x00;
+ pci_conf[0xac] = 0x00;
+ pci_conf[0xae] = 0x00;
+}
+
+static void piix_save(QEMUFile* f, void *opaque)
+{
+ PCIDevice *d = opaque;
+ pci_device_save(d, f);
+}
+
+static int piix_load(QEMUFile* f, void *opaque, int version_id)
+{
+ PCIDevice *d = opaque;
+ if (version_id != 2)
+ return -EINVAL;
+ return pci_device_load(d, f);
+}
+
+static int piix4_initfn(PCIDevice *d)
+{
+ uint8_t *pci_conf;
+
+ register_savevm("PIIX4", 0, 2, piix_save, piix_load, d);
+
+ pci_conf = d->config;
+ pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL);
+ pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371AB_0); // 82371AB/EB/MB PIIX4 PCI-to-ISA bridge
+ pci_config_set_class(pci_conf, PCI_CLASS_BRIDGE_ISA);
+ pci_conf[PCI_HEADER_TYPE] =
+ PCI_HEADER_TYPE_NORMAL | PCI_HEADER_TYPE_MULTI_FUNCTION; // header_type = PCI_multifunction, generic
+
+ piix4_dev = d;
+ piix4_reset(d);
+ qemu_register_reset(piix4_reset, d);
+ return 0;
+}
+
+int piix4_init(PCIBus *bus, int devfn)
+{
+ PCIDevice *d;
+
+ d = pci_create_simple(bus, devfn, "PIIX4");
+ return d->devfn;
+}
+
+static PCIDeviceInfo piix4_info[] = {
+ {
+ .qdev.name = "PIIX4",
+ .qdev.desc = "ISA bridge",
+ .qdev.size = sizeof(PCIDevice),
+ .qdev.no_user = 1,
+ .init = piix4_initfn,
+ },{
+ /* end of list */
+ }
+};
+
+static void piix4_register(void)
+{
+ pci_qdev_register_many(piix4_info);
+}
+device_init(piix4_register);