*/
#include "hw.h"
-#include "ppc.h"
-#include "ppce500.h"
-typedef target_phys_addr_t pci_addr_t;
#include "pci.h"
#include "pci_host.h"
#include "bswap.h"
-#include "qemu-log.h"
#ifdef DEBUG_PCI
#define pci_debug(fmt, ...) fprintf(stderr, fmt, ## __VA_ARGS__)
#define PCIE500_CFGADDR 0x0
#define PCIE500_CFGDATA 0x4
#define PCIE500_REG_BASE 0xC00
-#define PCIE500_REG_SIZE (0x1000 - PCIE500_REG_BASE)
+#define PCIE500_ALL_SIZE 0x1000
+#define PCIE500_REG_SIZE (PCIE500_ALL_SIZE - PCIE500_REG_BASE)
#define PPCE500_PCI_CONFIG_ADDR 0x0
#define PPCE500_PCI_CONFIG_DATA 0x4
};
struct PPCE500PCIState {
+ PCIHostState pci_state;
struct pci_outbound pob[PPCE500_PCI_NR_POBS];
struct pci_inbound pib[PPCE500_PCI_NR_PIBS];
uint32_t gasket_time;
- PCIHostState pci_state;
- PCIDevice *pci_dev;
+ qemu_irq irq[4];
+ /* mmio maps */
+ int reg;
};
typedef struct PPCE500PCIState PPCE500PCIState;
-static uint32_t pcie500_cfgaddr_readl(void *opaque, target_phys_addr_t addr)
-{
- PPCE500PCIState *pci = opaque;
-
- pci_debug("%s: (addr:" TARGET_FMT_plx ") -> value:%x\n", __func__, addr,
- pci->pci_state.config_reg);
- return pci->pci_state.config_reg;
-}
-
-static CPUReadMemoryFunc * const pcie500_cfgaddr_read[] = {
- &pcie500_cfgaddr_readl,
- &pcie500_cfgaddr_readl,
- &pcie500_cfgaddr_readl,
-};
-
-static void pcie500_cfgaddr_writel(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- PPCE500PCIState *controller = opaque;
-
- pci_debug("%s: value:%x -> (addr:" TARGET_FMT_plx ")\n", __func__, value,
- addr);
- controller->pci_state.config_reg = value & ~0x3;
-}
-
-static CPUWriteMemoryFunc * const pcie500_cfgaddr_write[] = {
- &pcie500_cfgaddr_writel,
- &pcie500_cfgaddr_writel,
- &pcie500_cfgaddr_writel,
-};
-
-static CPUReadMemoryFunc * const pcie500_cfgdata_read[] = {
- &pci_host_data_readb,
- &pci_host_data_readw,
- &pci_host_data_readl,
-};
-
-static CPUWriteMemoryFunc * const pcie500_cfgdata_write[] = {
- &pci_host_data_writeb,
- &pci_host_data_writew,
- &pci_host_data_writel,
-};
-
static uint32_t pci_reg_read4(void *opaque, target_phys_addr_t addr)
{
PPCE500PCIState *pci = opaque;
ret = (irq_num + devno - 0x10) % 4;
break;
default:
- printf("Error:%s:unknow dev number\n", __func__);
+ printf("Error:%s:unknown dev number\n", __func__);
}
pci_debug("%s: devfn %x irq %d -> %d devno:%x\n", __func__,
return ret;
}
-static void mpc85xx_pci_set_irq(qemu_irq *pic, int irq_num, int level)
+static void mpc85xx_pci_set_irq(void *opaque, int irq_num, int level)
{
+ qemu_irq *pic = opaque;
+
pci_debug("%s: PCI irq %d, level:%d\n", __func__, irq_num, level);
qemu_set_irq(pic[irq_num], level);
}
-static void ppce500_pci_save(QEMUFile *f, void *opaque)
-{
- PPCE500PCIState *controller = opaque;
- int i;
-
- pci_device_save(controller->pci_dev, f);
+static const VMStateDescription vmstate_pci_outbound = {
+ .name = "pci_outbound",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .minimum_version_id_old = 0,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(potar, struct pci_outbound),
+ VMSTATE_UINT32(potear, struct pci_outbound),
+ VMSTATE_UINT32(powbar, struct pci_outbound),
+ VMSTATE_UINT32(powar, struct pci_outbound),
+ VMSTATE_END_OF_LIST()
+ }
+};
- for (i = 0; i < PPCE500_PCI_NR_POBS; i++) {
- qemu_put_be32s(f, &controller->pob[i].potar);
- qemu_put_be32s(f, &controller->pob[i].potear);
- qemu_put_be32s(f, &controller->pob[i].powbar);
- qemu_put_be32s(f, &controller->pob[i].powar);
+static const VMStateDescription vmstate_pci_inbound = {
+ .name = "pci_inbound",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .minimum_version_id_old = 0,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(pitar, struct pci_inbound),
+ VMSTATE_UINT32(piwbar, struct pci_inbound),
+ VMSTATE_UINT32(piwbear, struct pci_inbound),
+ VMSTATE_UINT32(piwar, struct pci_inbound),
+ VMSTATE_END_OF_LIST()
}
+};
- for (i = 0; i < PPCE500_PCI_NR_PIBS; i++) {
- qemu_put_be32s(f, &controller->pib[i].pitar);
- qemu_put_be32s(f, &controller->pib[i].piwbar);
- qemu_put_be32s(f, &controller->pib[i].piwbear);
- qemu_put_be32s(f, &controller->pib[i].piwar);
+static const VMStateDescription vmstate_ppce500_pci = {
+ .name = "ppce500_pci",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_STRUCT_ARRAY(pob, PPCE500PCIState, PPCE500_PCI_NR_POBS, 1,
+ vmstate_pci_outbound, struct pci_outbound),
+ VMSTATE_STRUCT_ARRAY(pib, PPCE500PCIState, PPCE500_PCI_NR_PIBS, 1,
+ vmstate_pci_outbound, struct pci_inbound),
+ VMSTATE_UINT32(gasket_time, PPCE500PCIState),
+ VMSTATE_END_OF_LIST()
}
- qemu_put_be32s(f, &controller->gasket_time);
+};
+
+static void e500_pci_map(SysBusDevice *dev, target_phys_addr_t base)
+{
+ PCIHostState *h = FROM_SYSBUS(PCIHostState, sysbus_from_qdev(dev));
+ PPCE500PCIState *s = DO_UPCAST(PPCE500PCIState, pci_state, h);
+
+ sysbus_add_memory(dev, base + PCIE500_CFGADDR, &h->conf_mem);
+ sysbus_add_memory(dev, base + PCIE500_CFGDATA, &h->data_mem);
+ cpu_register_physical_memory(base + PCIE500_REG_BASE, PCIE500_REG_SIZE,
+ s->reg);
}
-static int ppce500_pci_load(QEMUFile *f, void *opaque, int version_id)
+static void e500_pci_unmap(SysBusDevice *dev, target_phys_addr_t base)
{
- PPCE500PCIState *controller = opaque;
- int i;
+ PCIHostState *h = FROM_SYSBUS(PCIHostState, sysbus_from_qdev(dev));
- if (version_id != 1)
- return -EINVAL;
+ sysbus_del_memory(dev, &h->conf_mem);
+ sysbus_del_memory(dev, &h->data_mem);
+ cpu_register_physical_memory(base + PCIE500_REG_BASE, PCIE500_REG_SIZE,
+ IO_MEM_UNASSIGNED);
+}
- pci_device_load(controller->pci_dev, f);
+#include "exec-memory.h"
- for (i = 0; i < PPCE500_PCI_NR_POBS; i++) {
- qemu_get_be32s(f, &controller->pob[i].potar);
- qemu_get_be32s(f, &controller->pob[i].potear);
- qemu_get_be32s(f, &controller->pob[i].powbar);
- qemu_get_be32s(f, &controller->pob[i].powar);
- }
+static int e500_pcihost_initfn(SysBusDevice *dev)
+{
+ PCIHostState *h;
+ PPCE500PCIState *s;
+ PCIBus *b;
+ int i;
+ MemoryRegion *address_space_mem = get_system_memory();
+ MemoryRegion *address_space_io = get_system_io();
+
+ h = FROM_SYSBUS(PCIHostState, sysbus_from_qdev(dev));
+ s = DO_UPCAST(PPCE500PCIState, pci_state, h);
- for (i = 0; i < PPCE500_PCI_NR_PIBS; i++) {
- qemu_get_be32s(f, &controller->pib[i].pitar);
- qemu_get_be32s(f, &controller->pib[i].piwbar);
- qemu_get_be32s(f, &controller->pib[i].piwbear);
- qemu_get_be32s(f, &controller->pib[i].piwar);
+ for (i = 0; i < ARRAY_SIZE(s->irq); i++) {
+ sysbus_init_irq(dev, &s->irq[i]);
}
- qemu_get_be32s(f, &controller->gasket_time);
+
+ b = pci_register_bus(&s->pci_state.busdev.qdev, NULL, mpc85xx_pci_set_irq,
+ mpc85xx_pci_map_irq, s->irq, address_space_mem,
+ address_space_io, PCI_DEVFN(0x11, 0), 4);
+ s->pci_state.bus = b;
+
+ pci_create_simple(b, 0, "e500-host-bridge");
+
+ memory_region_init_io(&h->conf_mem, &pci_host_conf_be_ops, h,
+ "pci-conf-idx", 4);
+ memory_region_init_io(&h->data_mem, &pci_host_data_le_ops, h,
+ "pci-conf-data", 4);
+ s->reg = cpu_register_io_memory(e500_pci_reg_read, e500_pci_reg_write, s,
+ DEVICE_BIG_ENDIAN);
+ sysbus_init_mmio_cb2(dev, e500_pci_map, e500_pci_unmap);
return 0;
}
-PCIBus *ppce500_pci_init(qemu_irq pci_irqs[4], target_phys_addr_t registers)
+static PCIDeviceInfo e500_host_bridge_info = {
+ .qdev.name = "e500-host-bridge",
+ .qdev.desc = "Host bridge",
+ .qdev.size = sizeof(PCIDevice),
+ .vendor_id = PCI_VENDOR_ID_FREESCALE,
+ .device_id = PCI_DEVICE_ID_MPC8533E,
+ .class_id = PCI_CLASS_PROCESSOR_POWERPC,
+};
+
+static SysBusDeviceInfo e500_pcihost_info = {
+ .init = e500_pcihost_initfn,
+ .qdev.name = "e500-pcihost",
+ .qdev.size = sizeof(PPCE500PCIState),
+ .qdev.vmsd = &vmstate_ppce500_pci,
+};
+
+static void e500_pci_register(void)
{
- PPCE500PCIState *controller;
- PCIDevice *d;
- int index;
- static int ppce500_pci_id;
-
- controller = qemu_mallocz(sizeof(PPCE500PCIState));
-
- controller->pci_state.bus = pci_register_bus(NULL, "pci",
- mpc85xx_pci_set_irq,
- mpc85xx_pci_map_irq,
- pci_irqs, 0x88, 4);
- d = pci_register_device(controller->pci_state.bus,
- "host bridge", sizeof(PCIDevice),
- 0, NULL, NULL);
-
- pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_FREESCALE);
- pci_config_set_device_id(d->config, PCI_DEVICE_ID_MPC8533E);
- pci_config_set_class(d->config, PCI_CLASS_PROCESSOR_POWERPC);
-
- controller->pci_dev = d;
-
- /* CFGADDR */
- index = cpu_register_io_memory(pcie500_cfgaddr_read,
- pcie500_cfgaddr_write, controller);
- if (index < 0)
- goto free;
- cpu_register_physical_memory(registers + PCIE500_CFGADDR, 4, index);
-
- /* CFGDATA */
- index = cpu_register_io_memory(pcie500_cfgdata_read,
- pcie500_cfgdata_write,
- &controller->pci_state);
- if (index < 0)
- goto free;
- cpu_register_physical_memory(registers + PCIE500_CFGDATA, 4, index);
-
- index = cpu_register_io_memory(e500_pci_reg_read,
- e500_pci_reg_write, controller);
- if (index < 0)
- goto free;
- cpu_register_physical_memory(registers + PCIE500_REG_BASE,
- PCIE500_REG_SIZE, index);
-
- /* XXX load/save code not tested. */
- register_savevm("ppce500_pci", ppce500_pci_id++, 1,
- ppce500_pci_save, ppce500_pci_load, controller);
-
- return controller->pci_state.bus;
-
-free:
- printf("%s error\n", __func__);
- qemu_free(controller);
- return NULL;
+ sysbus_register_withprop(&e500_pcihost_info);
+ pci_qdev_register(&e500_host_bridge_info);
}
+device_init(e500_pci_register);
projects / qemu.git / blobdiff