303 lines
9.6 KiB
C
303 lines
9.6 KiB
C
/*
|
|
* QEMU Uninorth PCI host (for all Mac99 and newer machines)
|
|
*
|
|
* 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 "ppc_mac.h"
|
|
#include "pci.h"
|
|
#include "pci_host.h"
|
|
|
|
/* debug UniNorth */
|
|
//#define DEBUG_UNIN
|
|
|
|
#ifdef DEBUG_UNIN
|
|
#define UNIN_DPRINTF(fmt, ...) \
|
|
do { printf("UNIN: " fmt , ## __VA_ARGS__); } while (0)
|
|
#else
|
|
#define UNIN_DPRINTF(fmt, ...)
|
|
#endif
|
|
|
|
typedef struct UNINState {
|
|
SysBusDevice busdev;
|
|
PCIHostState host_state;
|
|
} UNINState;
|
|
|
|
/* Don't know if this matches real hardware, but it agrees with OHW. */
|
|
static int pci_unin_map_irq(PCIDevice *pci_dev, int irq_num)
|
|
{
|
|
return (irq_num + (pci_dev->devfn >> 3)) & 3;
|
|
}
|
|
|
|
static void pci_unin_set_irq(void *opaque, int irq_num, int level)
|
|
{
|
|
qemu_irq *pic = opaque;
|
|
|
|
qemu_set_irq(pic[irq_num + 8], level);
|
|
}
|
|
|
|
static void pci_unin_save(QEMUFile* f, void *opaque)
|
|
{
|
|
PCIDevice *d = opaque;
|
|
|
|
pci_device_save(d, f);
|
|
}
|
|
|
|
static int pci_unin_load(QEMUFile* f, void *opaque, int version_id)
|
|
{
|
|
PCIDevice *d = opaque;
|
|
|
|
if (version_id != 1)
|
|
return -EINVAL;
|
|
|
|
return pci_device_load(d, f);
|
|
}
|
|
|
|
static void pci_unin_reset(void *opaque)
|
|
{
|
|
}
|
|
|
|
static int pci_unin_main_init_device(SysBusDevice *dev)
|
|
{
|
|
UNINState *s;
|
|
int pci_mem_config, pci_mem_data;
|
|
|
|
/* Use values found on a real PowerMac */
|
|
/* Uninorth main bus */
|
|
s = FROM_SYSBUS(UNINState, dev);
|
|
|
|
pci_mem_config = pci_host_conf_register_mmio(&s->host_state);
|
|
pci_mem_data = pci_host_data_register_mmio(&s->host_state);
|
|
sysbus_init_mmio(dev, 0x1000, pci_mem_config);
|
|
sysbus_init_mmio(dev, 0x1000, pci_mem_data);
|
|
|
|
register_savevm("uninorth", 0, 1, pci_unin_save, pci_unin_load, &s->host_state);
|
|
qemu_register_reset(pci_unin_reset, &s->host_state);
|
|
return 0;
|
|
}
|
|
|
|
static int pci_dec_21154_init_device(SysBusDevice *dev)
|
|
{
|
|
UNINState *s;
|
|
int pci_mem_config, pci_mem_data;
|
|
|
|
/* Uninorth bridge */
|
|
s = FROM_SYSBUS(UNINState, dev);
|
|
|
|
// XXX: s = &pci_bridge[2];
|
|
pci_mem_config = pci_host_conf_register_mmio_noswap(&s->host_state);
|
|
pci_mem_data = pci_host_data_register_mmio(&s->host_state);
|
|
sysbus_init_mmio(dev, 0x1000, pci_mem_config);
|
|
sysbus_init_mmio(dev, 0x1000, pci_mem_data);
|
|
return 0;
|
|
}
|
|
|
|
static int pci_unin_agp_init_device(SysBusDevice *dev)
|
|
{
|
|
UNINState *s;
|
|
int pci_mem_config, pci_mem_data;
|
|
|
|
/* Uninorth AGP bus */
|
|
s = FROM_SYSBUS(UNINState, dev);
|
|
|
|
pci_mem_config = pci_host_conf_register_mmio_noswap(&s->host_state);
|
|
pci_mem_data = pci_host_data_register_mmio(&s->host_state);
|
|
sysbus_init_mmio(dev, 0x1000, pci_mem_config);
|
|
sysbus_init_mmio(dev, 0x1000, pci_mem_data);
|
|
return 0;
|
|
}
|
|
|
|
static int pci_unin_internal_init_device(SysBusDevice *dev)
|
|
{
|
|
UNINState *s;
|
|
int pci_mem_config, pci_mem_data;
|
|
|
|
/* Uninorth internal bus */
|
|
s = FROM_SYSBUS(UNINState, dev);
|
|
|
|
pci_mem_config = pci_host_conf_register_mmio_noswap(&s->host_state);
|
|
pci_mem_data = pci_host_data_register_mmio(&s->host_state);
|
|
sysbus_init_mmio(dev, 0x1000, pci_mem_config);
|
|
sysbus_init_mmio(dev, 0x1000, pci_mem_data);
|
|
return 0;
|
|
}
|
|
|
|
PCIBus *pci_pmac_init(qemu_irq *pic)
|
|
{
|
|
DeviceState *dev;
|
|
SysBusDevice *s;
|
|
UNINState *d;
|
|
|
|
/* Use values found on a real PowerMac */
|
|
/* Uninorth main bus */
|
|
dev = qdev_create(NULL, "uni-north");
|
|
qdev_init_nofail(dev);
|
|
s = sysbus_from_qdev(dev);
|
|
d = FROM_SYSBUS(UNINState, s);
|
|
d->host_state.bus = pci_register_bus(&d->busdev.qdev, "pci",
|
|
pci_unin_set_irq, pci_unin_map_irq,
|
|
pic, 11 << 3, 4);
|
|
|
|
#if 0
|
|
pci_create_simple(d->host_state.bus, 11 << 3, "uni-north");
|
|
#endif
|
|
|
|
sysbus_mmio_map(s, 0, 0xf2800000);
|
|
sysbus_mmio_map(s, 1, 0xf2c00000);
|
|
|
|
/* DEC 21154 bridge */
|
|
#if 0
|
|
/* XXX: not activated as PPC BIOS doesn't handle multiple buses properly */
|
|
pci_create_simple(d->host_state.bus, 12 << 3, "dec-21154");
|
|
#endif
|
|
|
|
/* Uninorth AGP bus */
|
|
pci_create_simple(d->host_state.bus, 11 << 3, "uni-north-agp");
|
|
dev = qdev_create(NULL, "uni-north-agp");
|
|
qdev_init_nofail(dev);
|
|
s = sysbus_from_qdev(dev);
|
|
sysbus_mmio_map(s, 0, 0xf0800000);
|
|
sysbus_mmio_map(s, 1, 0xf0c00000);
|
|
|
|
/* Uninorth internal bus */
|
|
#if 0
|
|
/* XXX: not needed for now */
|
|
pci_create_simple(d->host_state.bus, 14 << 3, "uni-north-pci");
|
|
dev = qdev_create(NULL, "uni-north-pci");
|
|
qdev_init_nofail(dev);
|
|
s = sysbus_from_qdev(dev);
|
|
sysbus_mmio_map(s, 0, 0xf4800000);
|
|
sysbus_mmio_map(s, 1, 0xf4c00000);
|
|
#endif
|
|
|
|
return d->host_state.bus;
|
|
}
|
|
|
|
static int unin_main_pci_host_init(PCIDevice *d)
|
|
{
|
|
pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
|
|
pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_PCI);
|
|
d->config[0x08] = 0x00; // revision
|
|
pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
|
|
d->config[0x0C] = 0x08; // cache_line_size
|
|
d->config[0x0D] = 0x10; // latency_timer
|
|
d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
|
|
d->config[0x34] = 0x00; // capabilities_pointer
|
|
return 0;
|
|
}
|
|
|
|
static int dec_21154_pci_host_init(PCIDevice *d)
|
|
{
|
|
/* pci-to-pci bridge */
|
|
pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_DEC);
|
|
pci_config_set_device_id(d->config, PCI_DEVICE_ID_DEC_21154);
|
|
d->config[0x08] = 0x05; // revision
|
|
pci_config_set_class(d->config, PCI_CLASS_BRIDGE_PCI);
|
|
d->config[0x0C] = 0x08; // cache_line_size
|
|
d->config[0x0D] = 0x20; // latency_timer
|
|
d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_BRIDGE; // header_type
|
|
|
|
d->config[0x18] = 0x01; // primary_bus
|
|
d->config[0x19] = 0x02; // secondary_bus
|
|
d->config[0x1A] = 0x02; // subordinate_bus
|
|
d->config[0x1B] = 0x20; // secondary_latency_timer
|
|
d->config[0x1C] = 0x11; // io_base
|
|
d->config[0x1D] = 0x01; // io_limit
|
|
d->config[0x20] = 0x00; // memory_base
|
|
d->config[0x21] = 0x80;
|
|
d->config[0x22] = 0x00; // memory_limit
|
|
d->config[0x23] = 0x80;
|
|
d->config[0x24] = 0x01; // prefetchable_memory_base
|
|
d->config[0x25] = 0x80;
|
|
d->config[0x26] = 0xF1; // prefectchable_memory_limit
|
|
d->config[0x27] = 0x7F;
|
|
// d->config[0x34] = 0xdc // capabilities_pointer
|
|
return 0;
|
|
}
|
|
|
|
static int unin_agp_pci_host_init(PCIDevice *d)
|
|
{
|
|
pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
|
|
pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_AGP);
|
|
d->config[0x08] = 0x00; // revision
|
|
pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
|
|
d->config[0x0C] = 0x08; // cache_line_size
|
|
d->config[0x0D] = 0x10; // latency_timer
|
|
d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
|
|
// d->config[0x34] = 0x80; // capabilities_pointer
|
|
return 0;
|
|
}
|
|
|
|
static int unin_internal_pci_host_init(PCIDevice *d)
|
|
{
|
|
pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
|
|
pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_I_PCI);
|
|
d->config[0x08] = 0x00; // revision
|
|
pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
|
|
d->config[0x0C] = 0x08; // cache_line_size
|
|
d->config[0x0D] = 0x10; // latency_timer
|
|
d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
|
|
d->config[0x34] = 0x00; // capabilities_pointer
|
|
return 0;
|
|
}
|
|
|
|
static PCIDeviceInfo unin_main_pci_host_info = {
|
|
.qdev.name = "uni-north",
|
|
.qdev.size = sizeof(PCIDevice),
|
|
.init = unin_main_pci_host_init,
|
|
};
|
|
|
|
static PCIDeviceInfo dec_21154_pci_host_info = {
|
|
.qdev.name = "dec-21154",
|
|
.qdev.size = sizeof(PCIDevice),
|
|
.init = dec_21154_pci_host_init,
|
|
};
|
|
|
|
static PCIDeviceInfo unin_agp_pci_host_info = {
|
|
.qdev.name = "uni-north-agp",
|
|
.qdev.size = sizeof(PCIDevice),
|
|
.init = unin_agp_pci_host_init,
|
|
};
|
|
|
|
static PCIDeviceInfo unin_internal_pci_host_info = {
|
|
.qdev.name = "uni-north-pci",
|
|
.qdev.size = sizeof(PCIDevice),
|
|
.init = unin_internal_pci_host_init,
|
|
};
|
|
|
|
static void unin_register_devices(void)
|
|
{
|
|
sysbus_register_dev("uni-north", sizeof(UNINState),
|
|
pci_unin_main_init_device);
|
|
pci_qdev_register(&unin_main_pci_host_info);
|
|
sysbus_register_dev("dec-21154", sizeof(UNINState),
|
|
pci_dec_21154_init_device);
|
|
pci_qdev_register(&dec_21154_pci_host_info);
|
|
sysbus_register_dev("uni-north-agp", sizeof(UNINState),
|
|
pci_unin_agp_init_device);
|
|
pci_qdev_register(&unin_agp_pci_host_info);
|
|
sysbus_register_dev("uni-north-pci", sizeof(UNINState),
|
|
pci_unin_internal_init_device);
|
|
pci_qdev_register(&unin_internal_pci_host_info);
|
|
}
|
|
|
|
device_init(unin_register_devices)
|