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PIIX4 support, by Aurelien Jarno.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2317 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-01-15 17:08:08 +00:00
parent 567daa491f
commit 5c2b87e34d
1 changed files with 63 additions and 0 deletions
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63
hw/piix_pci.c
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@ -197,6 +197,7 @@ PCIBus *i440fx_init(PCIDevice **pi440fx_state)
/* PIIX3 PCI to ISA bridge */
PCIDevice *piix3_dev;
PCIDevice *piix4_dev;
/* just used for simpler irq handling. */
#define PCI_IRQ_WORDS ((PCI_DEVICES_MAX + 31) / 32)
@ -259,6 +260,44 @@ static void piix3_reset(PCIDevice *d)
pci_conf[0xae] = 0x00;
}
static void piix4_reset(PCIDevice *d)
{
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[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;
@ -296,3 +335,27 @@ int piix3_init(PCIBus *bus, int devfn)
piix3_reset(d);
return d->devfn;
}
int piix4_init(PCIBus *bus, int devfn)
{
PCIDevice *d;
uint8_t *pci_conf;
d = pci_register_device(bus, "PIIX4", sizeof(PCIDevice),
devfn, NULL, NULL);
register_savevm("PIIX4", 0, 2, piix_save, piix_load, d);
piix4_dev = d;
pci_conf = d->config;
pci_conf[0x00] = 0x86; // Intel
pci_conf[0x01] = 0x80;
pci_conf[0x02] = 0x10; // 82371AB/EB/MB PIIX4 PCI-to-ISA bridge
pci_conf[0x03] = 0x71;
pci_conf[0x0a] = 0x01; // class_sub = PCI_ISA
pci_conf[0x0b] = 0x06; // class_base = PCI_bridge
pci_conf[0x0e] = 0x80; // header_type = PCI_multifunction, generic
piix4_reset(d);
return d->devfn;
}