diff options
| -rw-r--r-- | hw/pci-host/apb.c | 29 | ||||
| -rw-r--r-- | include/hw/pci-host/apb.h | 3 |
2 files changed, 13 insertions, 19 deletions
diff --git a/hw/pci-host/apb.c b/hw/pci-host/apb.c index 8bdbbfd214..5562f1adfd 100644 --- a/hw/pci-host/apb.c +++ b/hw/pci-host/apb.c @@ -581,18 +581,11 @@ static void apb_pci_bridge_realize(PCIDevice *dev, Error **errp) * the reset value should be zero unless the boot pin is tied high * (which is true) and thus it should be PCI_COMMAND_MEMORY. */ - uint16_t cmd = PCI_COMMAND_MEMORY; PBMPCIBridge *br = PBM_PCI_BRIDGE(dev); pci_bridge_initfn(dev, TYPE_PCI_BUS); - /* If initialising busA, ensure that we allow IO transactions so that - we get the early serial console until OpenBIOS configures the bridge */ - if (br->busA) { - cmd |= PCI_COMMAND_IO; - } - - pci_set_word(dev->config + PCI_COMMAND, cmd); + pci_set_word(dev->config + PCI_COMMAND, PCI_COMMAND_MEMORY); pci_set_word(dev->config + PCI_STATUS, PCI_STATUS_FAST_BACK | PCI_STATUS_66MHZ | PCI_STATUS_DEVSEL_MEDIUM); @@ -608,8 +601,10 @@ static void apb_pci_bridge_realize(PCIDevice *dev, Error **errp) static void pci_pbm_reset(DeviceState *d) { - unsigned int i; APBState *s = APB_DEVICE(d); + PCIDevice *pci_dev; + unsigned int i; + uint16_t cmd; for (i = 0; i < 8; i++) { s->pci_irq_map[i] &= PBM_PCI_IMR_MASK; @@ -625,6 +620,15 @@ static void pci_pbm_reset(DeviceState *d) /* Power on reset */ s->reset_control = POR; } + + /* As this is the busA PCI bridge which contains the on-board devices + * attached to the ebus, ensure that we initially allow IO transactions + * so that we get the early serial console until OpenBIOS can properly + * configure the PCI bridge itself */ + pci_dev = PCI_DEVICE(s->bridgeA); + cmd = pci_get_word(pci_dev->config + PCI_COMMAND); + pci_set_word(pci_dev->config + PCI_COMMAND, cmd | PCI_COMMAND_IO); + pci_bridge_update_mappings(PCI_BRIDGE(pci_dev)); } static const MemoryRegionOps pci_config_ops = { @@ -681,7 +685,6 @@ static void pci_pbm_realize(DeviceState *dev, Error **errp) TYPE_PBM_PCI_BRIDGE); s->bridgeA = PCI_BRIDGE(pci_dev); pci_bridge_map_irq(s->bridgeA, "pciA", pci_pbmA_map_irq); - qdev_prop_set_bit(DEVICE(pci_dev), "busA", true); qdev_init_nofail(&pci_dev->qdev); } @@ -783,11 +786,6 @@ static const TypeInfo pbm_host_info = { .class_init = pbm_host_class_init, }; -static Property pbm_pci_properties[] = { - DEFINE_PROP_BOOL("busA", PBMPCIBridge, busA, false), - DEFINE_PROP_END_OF_LIST(), -}; - static void pbm_pci_bridge_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -803,7 +801,6 @@ static void pbm_pci_bridge_class_init(ObjectClass *klass, void *data) set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); dc->reset = pci_bridge_reset; dc->vmsd = &vmstate_pci_device; - dc->props = pbm_pci_properties; } static const TypeInfo pbm_pci_bridge_info = { diff --git a/include/hw/pci-host/apb.h b/include/hw/pci-host/apb.h index f0074f7a51..dd49437ff1 100644 --- a/include/hw/pci-host/apb.h +++ b/include/hw/pci-host/apb.h @@ -86,9 +86,6 @@ typedef struct APBState { typedef struct PBMPCIBridge { /*< private >*/ PCIBridge parent_obj; - - /* Is this busA with in-built devices (ebus)? */ - bool busA; } PBMPCIBridge; #define TYPE_PBM_PCI_BRIDGE "pbm-bridge" |