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-rw-r--r--hw/prep_pci.c170
1 files changed, 95 insertions, 75 deletions
diff --git a/hw/prep_pci.c b/hw/prep_pci.c
index ea9fb6902c..4961eede8c 100644
--- a/hw/prep_pci.c
+++ b/hw/prep_pci.c
@@ -25,9 +25,16 @@
#include "hw.h"
#include "pci.h"
#include "pci_host.h"
-#include "prep_pci.h"
+#include "exec-memory.h"
-typedef PCIHostState PREPPCIState;
+typedef struct PRePPCIState {
+ PCIHostState host_state;
+ qemu_irq irq[4];
+} PREPPCIState;
+
+typedef struct RavenPCIState {
+ PCIDevice dev;
+} RavenPCIState;
static inline uint32_t PPC_PCIIO_config(target_phys_addr_t addr)
{
@@ -40,58 +47,24 @@ static inline uint32_t PPC_PCIIO_config(target_phys_addr_t addr)
return (addr & 0x7ff) | (i << 11);
}
-static void PPC_PCIIO_writeb (void *opaque, target_phys_addr_t addr, uint32_t val)
-{
- PREPPCIState *s = opaque;
- pci_data_write(s->bus, PPC_PCIIO_config(addr), val, 1);
-}
-
-static void PPC_PCIIO_writew (void *opaque, target_phys_addr_t addr, uint32_t val)
-{
- PREPPCIState *s = opaque;
- val = bswap16(val);
- pci_data_write(s->bus, PPC_PCIIO_config(addr), val, 2);
-}
-
-static void PPC_PCIIO_writel (void *opaque, target_phys_addr_t addr, uint32_t val)
-{
- PREPPCIState *s = opaque;
- val = bswap32(val);
- pci_data_write(s->bus, PPC_PCIIO_config(addr), val, 4);
-}
-
-static uint32_t PPC_PCIIO_readb (void *opaque, target_phys_addr_t addr)
-{
- PREPPCIState *s = opaque;
- uint32_t val;
- val = pci_data_read(s->bus, PPC_PCIIO_config(addr), 1);
- return val;
-}
-
-static uint32_t PPC_PCIIO_readw (void *opaque, target_phys_addr_t addr)
+static void ppc_pci_io_write(void *opaque, target_phys_addr_t addr,
+ uint64_t val, unsigned int size)
{
PREPPCIState *s = opaque;
- uint32_t val;
- val = pci_data_read(s->bus, PPC_PCIIO_config(addr), 2);
- val = bswap16(val);
- return val;
+ pci_data_write(s->host_state.bus, PPC_PCIIO_config(addr), val, size);
}
-static uint32_t PPC_PCIIO_readl (void *opaque, target_phys_addr_t addr)
+static uint64_t ppc_pci_io_read(void *opaque, target_phys_addr_t addr,
+ unsigned int size)
{
PREPPCIState *s = opaque;
- uint32_t val;
- val = pci_data_read(s->bus, PPC_PCIIO_config(addr), 4);
- val = bswap32(val);
- return val;
+ return pci_data_read(s->host_state.bus, PPC_PCIIO_config(addr), size);
}
static const MemoryRegionOps PPC_PCIIO_ops = {
- .old_mmio = {
- .read = { PPC_PCIIO_readb, PPC_PCIIO_readw, PPC_PCIIO_readl, },
- .write = { PPC_PCIIO_writeb, PPC_PCIIO_writew, PPC_PCIIO_writel, },
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
+ .read = ppc_pci_io_read,
+ .write = ppc_pci_io_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
};
static int prep_map_irq(PCIDevice *pci_dev, int irq_num)
@@ -103,46 +76,93 @@ static void prep_set_irq(void *opaque, int irq_num, int level)
{
qemu_irq *pic = opaque;
- qemu_set_irq(pic[(irq_num & 1) ? 11 : 9] , level);
+ qemu_set_irq(pic[irq_num] , level);
}
-PCIBus *pci_prep_init(qemu_irq *pic,
- MemoryRegion *address_space_mem,
- MemoryRegion *address_space_io)
+static int raven_pcihost_init(SysBusDevice *dev)
{
- PREPPCIState *s;
- PCIDevice *d;
+ PCIHostState *h = FROM_SYSBUS(PCIHostState, dev);
+ PREPPCIState *s = DO_UPCAST(PREPPCIState, host_state, h);
+ MemoryRegion *address_space_mem = get_system_memory();
+ MemoryRegion *address_space_io = get_system_io();
+ PCIBus *bus;
+ int i;
- s = g_malloc0(sizeof(PREPPCIState));
- s->bus = pci_register_bus(NULL, "pci",
- prep_set_irq, prep_map_irq, pic,
- address_space_mem,
- address_space_io,
- 0, 4);
+ for (i = 0; i < 4; i++) {
+ sysbus_init_irq(dev, &s->irq[i]);
+ }
- memory_region_init_io(&s->conf_mem, &pci_host_conf_be_ops, s,
+ bus = pci_register_bus(&h->busdev.qdev, NULL,
+ prep_set_irq, prep_map_irq, s->irq,
+ address_space_mem, address_space_io, 0, 4);
+ h->bus = bus;
+
+ memory_region_init_io(&h->conf_mem, &pci_host_conf_be_ops, s,
"pci-conf-idx", 1);
- memory_region_add_subregion(address_space_io, 0xcf8, &s->conf_mem);
- sysbus_init_ioports(&s->busdev, 0xcf8, 1);
+ sysbus_add_io(dev, 0xcf8, &h->conf_mem);
+ sysbus_init_ioports(&h->busdev, 0xcf8, 1);
- memory_region_init_io(&s->data_mem, &pci_host_data_be_ops, s,
+ memory_region_init_io(&h->data_mem, &pci_host_data_be_ops, s,
"pci-conf-data", 1);
- memory_region_add_subregion(address_space_io, 0xcfc, &s->data_mem);
- sysbus_init_ioports(&s->busdev, 0xcfc, 1);
-
- memory_region_init_io(&s->mmcfg, &PPC_PCIIO_ops, s, "pciio", 0x00400000);
- memory_region_add_subregion(address_space_mem, 0x80800000, &s->mmcfg);
-
- /* PCI host bridge */
- d = pci_register_device(s->bus, "PREP Host Bridge - Motorola Raven",
- sizeof(PCIDevice), 0, NULL, NULL);
- pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_MOTOROLA);
- pci_config_set_device_id(d->config, PCI_DEVICE_ID_MOTOROLA_RAVEN);
- d->config[0x08] = 0x00; // revision
- pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
+ sysbus_add_io(dev, 0xcfc, &h->data_mem);
+ sysbus_init_ioports(&h->busdev, 0xcfc, 1);
+
+ memory_region_init_io(&h->mmcfg, &PPC_PCIIO_ops, s, "pciio", 0x00400000);
+ memory_region_add_subregion(address_space_mem, 0x80800000, &h->mmcfg);
+
+ pci_create_simple(bus, 0, "raven");
+
+ return 0;
+}
+
+static int raven_init(PCIDevice *d)
+{
d->config[0x0C] = 0x08; // cache_line_size
d->config[0x0D] = 0x10; // latency_timer
d->config[0x34] = 0x00; // capabilities_pointer
- return s->bus;
+ return 0;
}
+
+static const VMStateDescription vmstate_raven = {
+ .name = "raven",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .fields = (VMStateField[]) {
+ VMSTATE_PCI_DEVICE(dev, RavenPCIState),
+ VMSTATE_END_OF_LIST()
+ },
+};
+
+static PCIDeviceInfo raven_info = {
+ .qdev.name = "raven",
+ .qdev.desc = "PReP Host Bridge - Motorola Raven",
+ .qdev.size = sizeof(RavenPCIState),
+ .qdev.vmsd = &vmstate_raven,
+ .qdev.no_user = 1,
+ .no_hotplug = 1,
+ .init = raven_init,
+ .vendor_id = PCI_VENDOR_ID_MOTOROLA,
+ .device_id = PCI_DEVICE_ID_MOTOROLA_RAVEN,
+ .revision = 0x00,
+ .class_id = PCI_CLASS_BRIDGE_HOST,
+ .qdev.props = (Property[]) {
+ DEFINE_PROP_END_OF_LIST()
+ },
+};
+
+static SysBusDeviceInfo raven_pcihost_info = {
+ .qdev.name = "raven-pcihost",
+ .qdev.fw_name = "pci",
+ .qdev.size = sizeof(PREPPCIState),
+ .qdev.no_user = 1,
+ .init = raven_pcihost_init,
+};
+
+static void raven_register_devices(void)
+{
+ sysbus_register_withprop(&raven_pcihost_info);
+ pci_qdev_register(&raven_info);
+}
+
+device_init(raven_register_devices)
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-03 09:04:26 +0000