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path: root/hw/spapr_pci.c
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Diffstat (limited to 'hw/spapr_pci.c')
-rw-r--r--hw/spapr_pci.c193
1 files changed, 91 insertions, 102 deletions
diff --git a/hw/spapr_pci.c b/hw/spapr_pci.c
index 374dcf8be7..e7ef551c1c 100644
--- a/hw/spapr_pci.c
+++ b/hw/spapr_pci.c
@@ -32,13 +32,6 @@
#include "hw/pci_internals.h"
-static const uint32_t bars[] = {
- PCI_BASE_ADDRESS_0, PCI_BASE_ADDRESS_1,
- PCI_BASE_ADDRESS_2, PCI_BASE_ADDRESS_3,
- PCI_BASE_ADDRESS_4, PCI_BASE_ADDRESS_5
- /*, PCI_ROM_ADDRESS*/
-};
-
static PCIDevice *find_dev(sPAPREnvironment *spapr,
uint64_t buid, uint32_t config_addr)
{
@@ -187,69 +180,6 @@ static void pci_spapr_set_irq(void *opaque, int irq_num, int level)
qemu_set_irq(phb->lsi_table[irq_num].qirq, level);
}
-static int spapr_phb_init(SysBusDevice *s)
-{
- sPAPRPHBState *phb = FROM_SYSBUS(sPAPRPHBState, s);
- int i;
-
- /* Initialize the LSI table */
- for (i = 0; i < SPAPR_PCI_NUM_LSI; i++) {
- qemu_irq qirq;
- uint32_t num;
-
- qirq = spapr_allocate_irq(0, &num);
- if (!qirq) {
- return -1;
- }
-
- phb->lsi_table[i].dt_irq = num;
- phb->lsi_table[i].qirq = qirq;
- }
-
- return 0;
-}
-
-static int spapr_main_pci_host_init(PCIDevice *d)
-{
- return 0;
-}
-
-static void spapr_main_pci_host_class_init(ObjectClass *klass, void *data)
-{
- PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
-
- k->init = spapr_main_pci_host_init;
-}
-
-static TypeInfo spapr_main_pci_host_info = {
- .name = "spapr-pci-host-bridge-pci",
- .parent = TYPE_PCI_DEVICE,
- .instance_size = sizeof(PCIDevice),
- .class_init = spapr_main_pci_host_class_init,
-};
-
-static void spapr_phb_class_init(ObjectClass *klass, void *data)
-{
- SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
-
- sdc->init = spapr_phb_init;
-}
-
-static TypeInfo spapr_phb_info = {
- .name = "spapr-pci-host-bridge",
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(sPAPRPHBState),
- .class_init = spapr_phb_class_init,
-};
-
-static void spapr_register_types(void)
-{
- type_register_static(&spapr_phb_info);
- type_register_static(&spapr_main_pci_host_info);
-}
-
-type_init(spapr_register_types)
-
static uint64_t spapr_io_read(void *opaque, target_phys_addr_t addr,
unsigned size)
{
@@ -287,35 +217,29 @@ static const MemoryRegionOps spapr_io_ops = {
.write = spapr_io_write
};
-void spapr_create_phb(sPAPREnvironment *spapr,
- const char *busname, uint64_t buid,
- uint64_t mem_win_addr, uint64_t mem_win_size,
- uint64_t io_win_addr)
+/*
+ * PHB PCI device
+ */
+static int spapr_phb_init(SysBusDevice *s)
{
- DeviceState *dev;
- SysBusDevice *s;
- sPAPRPHBState *phb;
+ sPAPRPHBState *phb = FROM_SYSBUS(sPAPRPHBState, s);
+ char *namebuf;
+ int i;
PCIBus *bus;
- char namebuf[strlen(busname)+11];
-
- dev = qdev_create(NULL, "spapr-pci-host-bridge");
- qdev_init_nofail(dev);
- s = sysbus_from_qdev(dev);
- phb = FROM_SYSBUS(sPAPRPHBState, s);
- phb->mem_win_addr = mem_win_addr;
+ phb->dtbusname = g_strdup_printf("pci@%" PRIx64, phb->buid);
+ namebuf = alloca(strlen(phb->dtbusname) + 32);
- sprintf(namebuf, "%s-mem", busname);
+ /* Initialize memory regions */
+ sprintf(namebuf, "%s.mmio", phb->dtbusname);
memory_region_init(&phb->memspace, namebuf, INT64_MAX);
- sprintf(namebuf, "%s-memwindow", busname);
+ sprintf(namebuf, "%s.mmio-alias", phb->dtbusname);
memory_region_init_alias(&phb->memwindow, namebuf, &phb->memspace,
- SPAPR_PCI_MEM_WIN_BUS_OFFSET, mem_win_size);
- memory_region_add_subregion(get_system_memory(), mem_win_addr,
+ SPAPR_PCI_MEM_WIN_BUS_OFFSET, phb->mem_win_size);
+ memory_region_add_subregion(get_system_memory(), phb->mem_win_addr,
&phb->memwindow);
- phb->io_win_addr = io_win_addr;
-
/* On ppc, we only have MMIO no specific IO space from the CPU
* perspective. In theory we ought to be able to embed the PCI IO
* memory region direction in the system memory space. However,
@@ -324,33 +248,92 @@ void spapr_create_phb(sPAPREnvironment *spapr,
* system io address space. This hack to bounce things via
* system_io works around the problem until all the users of
* old_portion are updated */
- sprintf(namebuf, "%s-io", busname);
+ sprintf(namebuf, "%s.io", phb->dtbusname);
memory_region_init(&phb->iospace, namebuf, SPAPR_PCI_IO_WIN_SIZE);
/* FIXME: fix to support multiple PHBs */
memory_region_add_subregion(get_system_io(), 0, &phb->iospace);
- sprintf(namebuf, "%s-iowindow", busname);
+ sprintf(namebuf, "%s.io-alias", phb->dtbusname);
memory_region_init_io(&phb->iowindow, &spapr_io_ops, phb,
namebuf, SPAPR_PCI_IO_WIN_SIZE);
- memory_region_add_subregion(get_system_memory(), io_win_addr,
+ memory_region_add_subregion(get_system_memory(), phb->io_win_addr,
&phb->iowindow);
- phb->host_state.bus = bus = pci_register_bus(&phb->busdev.qdev, busname,
- pci_spapr_set_irq,
- pci_spapr_map_irq,
- phb,
- &phb->memspace, &phb->iospace,
- PCI_DEVFN(0, 0),
- SPAPR_PCI_NUM_LSI);
+ bus = pci_register_bus(&phb->busdev.qdev,
+ phb->busname ? phb->busname : phb->dtbusname,
+ pci_spapr_set_irq, pci_spapr_map_irq, phb,
+ &phb->memspace, &phb->iospace,
+ PCI_DEVFN(0, 0), SPAPR_PCI_NUM_LSI);
+ phb->host_state.bus = bus;
+
+ QLIST_INSERT_HEAD(&spapr->phbs, phb, list);
+
+ /* Initialize the LSI table */
+ for (i = 0; i < SPAPR_PCI_NUM_LSI; i++) {
+ qemu_irq qirq;
+ uint32_t num;
+
+ qirq = spapr_allocate_lsi(0, &num);
+ if (!qirq) {
+ return -1;
+ }
+
+ phb->lsi_table[i].dt_irq = num;
+ phb->lsi_table[i].qirq = qirq;
+ }
+
+ return 0;
+}
+
+static Property spapr_phb_properties[] = {
+ DEFINE_PROP_HEX64("buid", sPAPRPHBState, buid, 0),
+ DEFINE_PROP_STRING("busname", sPAPRPHBState, busname),
+ DEFINE_PROP_HEX64("mem_win_addr", sPAPRPHBState, mem_win_addr, 0),
+ DEFINE_PROP_HEX64("mem_win_size", sPAPRPHBState, mem_win_size, 0x20000000),
+ DEFINE_PROP_HEX64("io_win_addr", sPAPRPHBState, io_win_addr, 0),
+ DEFINE_PROP_HEX64("io_win_size", sPAPRPHBState, io_win_size, 0x10000),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void spapr_phb_class_init(ObjectClass *klass, void *data)
+{
+ SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ sdc->init = spapr_phb_init;
+ dc->props = spapr_phb_properties;
spapr_rtas_register("read-pci-config", rtas_read_pci_config);
spapr_rtas_register("write-pci-config", rtas_write_pci_config);
spapr_rtas_register("ibm,read-pci-config", rtas_ibm_read_pci_config);
spapr_rtas_register("ibm,write-pci-config", rtas_ibm_write_pci_config);
+}
- QLIST_INSERT_HEAD(&spapr->phbs, phb, list);
+static TypeInfo spapr_phb_info = {
+ .name = "spapr-pci-host-bridge",
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(sPAPRPHBState),
+ .class_init = spapr_phb_class_init,
+};
+
+void spapr_create_phb(sPAPREnvironment *spapr,
+ const char *busname, uint64_t buid,
+ uint64_t mem_win_addr, uint64_t mem_win_size,
+ uint64_t io_win_addr)
+{
+ DeviceState *dev;
+
+ dev = qdev_create(NULL, spapr_phb_info.name);
- /* pci_bus_set_mem_base(bus, mem_va_start - SPAPR_PCI_MEM_BAR_START); */
+ if (busname) {
+ qdev_prop_set_string(dev, "busname", g_strdup(busname));
+ }
+ qdev_prop_set_uint64(dev, "buid", buid);
+ qdev_prop_set_uint64(dev, "mem_win_addr", mem_win_addr);
+ qdev_prop_set_uint64(dev, "mem_win_size", mem_win_size);
+ qdev_prop_set_uint64(dev, "io_win_addr", io_win_addr);
+
+ qdev_init_nofail(dev);
}
/* Macros to operate with address in OF binding to PCI */
@@ -442,3 +425,9 @@ int spapr_populate_pci_devices(sPAPRPHBState *phb,
return 0;
}
+
+static void register_types(void)
+{
+ type_register_static(&spapr_phb_info);
+}
+type_init(register_types)