From 7d6e771f49c36f4388798ce25bde1dede40cda74 Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Thu, 1 Sep 2011 18:36:53 +0100 Subject: [PATCH] hw/versatile_pci: Expose multiple sysbus mmio regions Clean up versatile_pci to expose the various PCI mmio regions properly as separate mmio regions rather than as a single mmio which uses callbacks to map and unmap everything. Signed-off-by: Peter Maydell Signed-off-by: Avi Kivity --- hw/realview.c | 12 ++++++++++-- hw/versatile_pci.c | 42 ++++++++---------------------------------- hw/versatilepb.c | 12 ++++++++++-- 3 files changed, 28 insertions(+), 38 deletions(-) diff --git a/hw/realview.c b/hw/realview.c index 549bb150c6..11ffb8a824 100644 --- a/hw/realview.c +++ b/hw/realview.c @@ -272,8 +272,16 @@ static void realview_init(ram_addr_t ram_size, sysbus_create_simple("pl031", 0x10017000, pic[10]); if (!is_pb) { - dev = sysbus_create_varargs("realview_pci", 0x60000000, - pic[48], pic[49], pic[50], pic[51], NULL); + dev = qdev_create(NULL, "realview_pci"); + busdev = sysbus_from_qdev(dev); + qdev_init_nofail(dev); + sysbus_mmio_map(busdev, 0, 0x61000000); /* PCI self-config */ + sysbus_mmio_map(busdev, 1, 0x62000000); /* PCI config */ + sysbus_mmio_map(busdev, 2, 0x63000000); /* PCI I/O */ + sysbus_connect_irq(busdev, 0, pic[48]); + sysbus_connect_irq(busdev, 1, pic[49]); + sysbus_connect_irq(busdev, 2, pic[50]); + sysbus_connect_irq(busdev, 3, pic[51]); pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci"); if (usb_enabled) { usb_ohci_init_pci(pci_bus, -1); diff --git a/hw/versatile_pci.c b/hw/versatile_pci.c index 98e56f1610..8a88696f2c 100644 --- a/hw/versatile_pci.c +++ b/hw/versatile_pci.c @@ -58,38 +58,6 @@ static void pci_vpb_set_irq(void *opaque, int irq_num, int level) qemu_set_irq(pic[irq_num], level); } - -static void pci_vpb_map(SysBusDevice *dev, target_phys_addr_t base) -{ - PCIVPBState *s = (PCIVPBState *)dev; - /* Selfconfig area. */ - memory_region_add_subregion(get_system_memory(), base + 0x01000000, - &s->mem_config); - /* Normal config area. */ - memory_region_add_subregion(get_system_memory(), base + 0x02000000, - &s->mem_config2); - - if (s->realview) { - /* IO memory area. */ - memory_region_add_subregion(get_system_memory(), base + 0x03000000, - &s->isa); - } -} - -static void pci_vpb_unmap(SysBusDevice *dev, target_phys_addr_t base) -{ - PCIVPBState *s = (PCIVPBState *)dev; - /* Selfconfig area. */ - memory_region_del_subregion(get_system_memory(), &s->mem_config); - /* Normal config area. */ - memory_region_del_subregion(get_system_memory(), &s->mem_config2); - - if (s->realview) { - /* IO memory area. */ - memory_region_del_subregion(get_system_memory(), &s->isa); - } -} - static int pci_vpb_init(SysBusDevice *dev) { PCIVPBState *s = FROM_SYSBUS(PCIVPBState, dev); @@ -106,16 +74,22 @@ static int pci_vpb_init(SysBusDevice *dev) /* ??? Register memory space. */ + /* Our memory regions are: + * 0 : PCI self config window + * 1 : PCI config window + * 2 : PCI IO window (realview_pci only) + */ memory_region_init_io(&s->mem_config, &pci_vpb_config_ops, bus, "pci-vpb-selfconfig", 0x1000000); + sysbus_init_mmio_region(dev, &s->mem_config); memory_region_init_io(&s->mem_config2, &pci_vpb_config_ops, bus, "pci-vpb-config", 0x1000000); + sysbus_init_mmio_region(dev, &s->mem_config2); if (s->realview) { isa_mmio_setup(&s->isa, 0x0100000); + sysbus_init_mmio_region(dev, &s->isa); } - sysbus_init_mmio_cb2(dev, pci_vpb_map, pci_vpb_unmap); - pci_create_simple(bus, -1, "versatile_pci_host"); return 0; } diff --git a/hw/versatilepb.c b/hw/versatilepb.c index 49f8f5fc56..68402cc479 100644 --- a/hw/versatilepb.c +++ b/hw/versatilepb.c @@ -181,6 +181,7 @@ static void versatile_init(ram_addr_t ram_size, qemu_irq pic[32]; qemu_irq sic[32]; DeviceState *dev, *sysctl; + SysBusDevice *busdev; PCIBus *pci_bus; NICInfo *nd; int n; @@ -219,8 +220,15 @@ static void versatile_init(ram_addr_t ram_size, sysbus_create_simple("pl050_keyboard", 0x10006000, sic[3]); sysbus_create_simple("pl050_mouse", 0x10007000, sic[4]); - dev = sysbus_create_varargs("versatile_pci", 0x40000000, - sic[27], sic[28], sic[29], sic[30], NULL); + dev = qdev_create(NULL, "versatile_pci"); + busdev = sysbus_from_qdev(dev); + qdev_init_nofail(dev); + sysbus_mmio_map(busdev, 0, 0x41000000); /* PCI self-config */ + sysbus_mmio_map(busdev, 1, 0x42000000); /* PCI config */ + sysbus_connect_irq(busdev, 0, sic[27]); + sysbus_connect_irq(busdev, 1, sic[28]); + sysbus_connect_irq(busdev, 2, sic[29]); + sysbus_connect_irq(busdev, 3, sic[30]); pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci"); /* The Versatile PCI bridge does not provide access to PCI IO space, -- 2.11.4.GIT