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Sparc64: convert APB to qdev 

Thanks to Igor Kovalenko for a bugfix.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2009-07-21 08:36:37 +00:00
parent 0bf9e31af1
commit 72f44c8cc7
2 changed files with 77 additions and 36 deletions
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105
hw/apb_pci.c
View File

@ -26,7 +26,7 @@
Ultrasparc PCI host is called the PCI Bus Module (PBM). The APB is
the secondary PCI bridge. */
#include "hw.h"
#include "sysbus.h"
#include "pci.h"
/* debug APB */
@ -42,7 +42,10 @@ do { printf("APB: " fmt , ## __VA_ARGS__); } while (0)
typedef target_phys_addr_t pci_addr_t;
#include "pci_host.h"
typedef PCIHostState APBState;
typedef struct APBState {
SysBusDevice busdev;
PCIHostState host_state;
} APBState;
static void pci_apb_config_writel (void *opaque, target_phys_addr_t addr,
uint32_t val)
@ -54,7 +57,7 @@ static void pci_apb_config_writel (void *opaque, target_phys_addr_t addr,
#endif
APB_DPRINTF("config_writel addr " TARGET_FMT_plx " val %x\n", addr,
val);
s->config_reg = val;
s->host_state.config_reg = val;
}
static uint32_t pci_apb_config_readl (void *opaque,
@ -63,7 +66,7 @@ static uint32_t pci_apb_config_readl (void *opaque,
APBState *s = opaque;
uint32_t val;
val = s->config_reg;
val = s->host_state.config_reg;
#ifdef TARGET_WORDS_BIGENDIAN
val = bswap32(val);
#endif
@ -225,34 +228,65 @@ PCIBus *pci_apb_init(target_phys_addr_t special_base,
target_phys_addr_t mem_base,
qemu_irq *pic, PCIBus **bus2, PCIBus **bus3)
{
DeviceState *dev;
SysBusDevice *s;
APBState *d;
/* Ultrasparc PBM main bus */
dev = qdev_create(NULL, "pbm");
qdev_init(dev);
s = sysbus_from_qdev(dev);
/* apb_config */
sysbus_mmio_map(s, 0, special_base + 0x2000ULL);
/* pci_ioport */
sysbus_mmio_map(s, 1, special_base + 0x2000000ULL);
/* mem_config: XXX size should be 4G-prom */
sysbus_mmio_map(s, 2, special_base + 0x1000000ULL);
/* mem_data */
sysbus_mmio_map(s, 3, mem_base);
d = FROM_SYSBUS(APBState, s);
d->host_state.bus = pci_register_bus(NULL, "pci",
pci_apb_set_irq, pci_pbm_map_irq, pic,
0, 32);
pci_create_simple(d->host_state.bus, 0, "pbm");
/* APB secondary busses */
*bus2 = pci_bridge_init(d->host_state.bus, 8, PCI_VENDOR_ID_SUN,
PCI_DEVICE_ID_SUN_SIMBA, pci_apb_map_irq,
"Advanced PCI Bus secondary bridge 1");
*bus3 = pci_bridge_init(d->host_state.bus, 9, PCI_VENDOR_ID_SUN,
PCI_DEVICE_ID_SUN_SIMBA, pci_apb_map_irq,
"Advanced PCI Bus secondary bridge 2");
return d->host_state.bus;
}
static void pci_pbm_init_device(SysBusDevice *dev)
{
APBState *s;
PCIDevice *d;
int pci_mem_config, pci_mem_data, apb_config, pci_ioport;
s = qemu_mallocz(sizeof(APBState));
/* Ultrasparc PBM main bus */
s->bus = pci_register_bus(NULL, "pci",
pci_apb_set_irq, pci_pbm_map_irq, pic, 0, 32);
pci_mem_config = cpu_register_io_memory(pci_apb_config_read,
pci_apb_config_write, s);
s = FROM_SYSBUS(APBState, dev);
/* apb_config */
apb_config = cpu_register_io_memory(apb_config_read,
apb_config_write, s);
pci_mem_data = cpu_register_io_memory(pci_apb_read,
pci_apb_write, s);
sysbus_init_mmio(dev, 0x40ULL, apb_config);
/* pci_ioport */
pci_ioport = cpu_register_io_memory(pci_apb_ioread,
pci_apb_iowrite, s);
sysbus_init_mmio(dev, 0x10000ULL, pci_ioport);
/* mem_config */
pci_mem_config = cpu_register_io_memory(pci_apb_config_read,
pci_apb_config_write, s);
sysbus_init_mmio(dev, 0x10ULL, pci_mem_config);
/* mem_data */
pci_mem_data = cpu_register_io_memory(pci_apb_read,
pci_apb_write, &s->host_state);
sysbus_init_mmio(dev, 0x10000000ULL, pci_mem_data);
}
cpu_register_physical_memory(special_base + 0x2000ULL, 0x40, apb_config);
cpu_register_physical_memory(special_base + 0x1000000ULL, 0x10,
pci_mem_config);
cpu_register_physical_memory(special_base + 0x2000000ULL, 0x10000,
pci_ioport);
cpu_register_physical_memory(mem_base, 0x10000000,
pci_mem_data); // XXX size should be 4G-prom
d = pci_register_device(s->bus, "Advanced PCI Bus", sizeof(PCIDevice),
0, NULL, NULL);
static void pbm_pci_host_init(PCIDevice *d)
{
pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_SUN);
pci_config_set_device_id(d->config, PCI_DEVICE_ID_SUN_SABRE);
d->config[0x04] = 0x06; // command = bus master, pci mem
@ -264,13 +298,18 @@ PCIBus *pci_apb_init(target_phys_addr_t special_base,
pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
d->config[0x0D] = 0x10; // latency_timer
d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
/* APB secondary busses */
*bus2 = pci_bridge_init(s->bus, 8, PCI_VENDOR_ID_SUN,
PCI_DEVICE_ID_SUN_SIMBA, pci_apb_map_irq,
"Advanced PCI Bus secondary bridge 1");
*bus3 = pci_bridge_init(s->bus, 9, PCI_VENDOR_ID_SUN,
PCI_DEVICE_ID_SUN_SIMBA, pci_apb_map_irq,
"Advanced PCI Bus secondary bridge 2");
return s->bus;
}
static PCIDeviceInfo pbm_pci_host_info = {
.qdev.name = "pbm",
.qdev.size = sizeof(PCIDevice),
.init = pbm_pci_host_init,
};
static void pbm_register_devices(void)
{
sysbus_register_dev("pbm", sizeof(APBState), pci_pbm_init_device);
pci_qdev_register(&pbm_pci_host_info);
}
device_init(pbm_register_devices)

8
hw/pci.c
View File

@ -145,11 +145,13 @@ PCIBus *pci_register_bus(DeviceState *parent, const char *name,
return bus;
}
static PCIBus *pci_register_secondary_bus(PCIDevice *dev, pci_map_irq_fn map_irq)
static PCIBus *pci_register_secondary_bus(PCIDevice *dev,
pci_map_irq_fn map_irq,
const char *name)
{
PCIBus *bus;
bus = qemu_mallocz(sizeof(PCIBus));
bus = FROM_QBUS(PCIBus, qbus_create(&pci_bus_info, &dev->qdev, name));
bus->map_irq = map_irq;
bus->parent_dev = dev;
bus->next = dev->bus->next;
@ -891,7 +893,7 @@ PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint16_t vid, uint16_t did,
PCI_HEADER_TYPE_MULTI_FUNCTION | PCI_HEADER_TYPE_BRIDGE; // header_type
s->dev.config[0x1E] = 0xa0; // secondary status
s->bus = pci_register_secondary_bus(&s->dev, map_irq);
s->bus = pci_register_secondary_bus(&s->dev, map_irq, name);
return s->bus;
}