[Qemu-commits] [COMMIT 72f44c8] Sparc64: convert APB to qdev

[Anthony Liguori]

From: Blue Swirl <address@hidden>

Thanks to Igor Kovalenko for a bugfix.

Signed-off-by: Blue Swirl <address@hidden>

diff --git a/hw/apb_pci.c b/hw/apb_pci.c
index 9f2a44d..8b42fa8 100644
--- a/hw/apb_pci.c
+++ b/hw/apb_pci.c
@@ -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)
 {
-    APBState *s;
-    PCIDevice *d;
-    int pci_mem_config, pci_mem_data, apb_config, pci_ioport;
+    DeviceState *dev;
+    SysBusDevice *s;
+    APBState *d;
 
-    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);
+    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");
 
-    pci_mem_config = cpu_register_io_memory(pci_apb_config_read,
-                                            pci_apb_config_write, s);
+    return d->host_state.bus;
+}
+
+static void pci_pbm_init_device(SysBusDevice *dev)
+{
+
+    APBState *s;
+    int pci_mem_config, pci_mem_data, apb_config, pci_ioport;
+
+    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)
diff --git a/hw/pci.c b/hw/pci.c
index 3b5a947..b0a2d79 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -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;
 }