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Ultrasparc PCI host is called the PCI Bus Module (PBM). The APB is
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the secondary PCI bridge. */
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//#define DEBUG_APB
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#define APB_DPRINTF(fmt, args...) \
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do { printf("APB: " fmt , ##args); } while (0)
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#define APB_DPRINTF(fmt, ...) \
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do { printf("APB: " fmt , ## __VA_ARGS__); } while (0)
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#define APB_DPRINTF(fmt, args...)
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#define APB_DPRINTF(fmt, ...)
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typedef target_phys_addr_t pci_addr_t;
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#include "pci_host.h"
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typedef PCIHostState APBState;
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typedef struct APBState {
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PCIHostState host_state;
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static void pci_apb_config_writel (void *opaque, target_phys_addr_t addr,
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static void pci_apb_iowriteb (void *opaque, target_phys_addr_t addr,
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cpu_outb(NULL, addr & 0xffff, val);
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cpu_outb(NULL, addr & IOPORTS_MASK, val);
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static void pci_apb_iowritew (void *opaque, target_phys_addr_t addr,
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cpu_outw(NULL, addr & 0xffff, val);
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cpu_outw(NULL, addr & IOPORTS_MASK, val);
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static void pci_apb_iowritel (void *opaque, target_phys_addr_t addr,
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cpu_outl(NULL, addr & 0xffff, val);
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cpu_outl(NULL, addr & IOPORTS_MASK, val);
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static uint32_t pci_apb_ioreadb (void *opaque, target_phys_addr_t addr)
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val = cpu_inb(NULL, addr & 0xffff);
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val = cpu_inb(NULL, addr & IOPORTS_MASK);
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target_phys_addr_t mem_base,
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qemu_irq *pic, PCIBus **bus2, PCIBus **bus3)
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/* Ultrasparc PBM main bus */
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dev = qdev_create(NULL, "pbm");
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s = sysbus_from_qdev(dev);
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sysbus_mmio_map(s, 0, special_base + 0x2000ULL);
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sysbus_mmio_map(s, 1, special_base + 0x2000000ULL);
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/* mem_config: XXX size should be 4G-prom */
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sysbus_mmio_map(s, 2, special_base + 0x1000000ULL);
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sysbus_mmio_map(s, 3, mem_base);
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d = FROM_SYSBUS(APBState, s);
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d->host_state.bus = pci_register_bus(NULL, "pci",
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pci_apb_set_irq, pci_pbm_map_irq, pic,
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pci_create_simple(d->host_state.bus, 0, "pbm");
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/* APB secondary busses */
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*bus2 = pci_bridge_init(d->host_state.bus, 8, PCI_VENDOR_ID_SUN,
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PCI_DEVICE_ID_SUN_SIMBA, pci_apb_map_irq,
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"Advanced PCI Bus secondary bridge 1");
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*bus3 = pci_bridge_init(d->host_state.bus, 9, PCI_VENDOR_ID_SUN,
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PCI_DEVICE_ID_SUN_SIMBA, pci_apb_map_irq,
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"Advanced PCI Bus secondary bridge 2");
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return d->host_state.bus;
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static void pci_pbm_init_device(SysBusDevice *dev)
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int pci_mem_config, pci_mem_data, apb_config, pci_ioport;
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s = qemu_mallocz(sizeof(APBState));
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/* Ultrasparc PBM main bus */
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s->bus = pci_register_bus(pci_apb_set_irq, pci_pbm_map_irq, pic, 0, 32);
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pci_mem_config = cpu_register_io_memory(0, pci_apb_config_read,
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pci_apb_config_write, s);
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apb_config = cpu_register_io_memory(0, apb_config_read,
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s = FROM_SYSBUS(APBState, dev);
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apb_config = cpu_register_io_memory(apb_config_read,
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apb_config_write, s);
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pci_mem_data = cpu_register_io_memory(0, pci_apb_read,
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pci_ioport = cpu_register_io_memory(0, pci_apb_ioread,
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sysbus_init_mmio(dev, 0x40ULL, apb_config);
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pci_ioport = cpu_register_io_memory(pci_apb_ioread,
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pci_apb_iowrite, s);
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cpu_register_physical_memory(special_base + 0x2000ULL, 0x40, apb_config);
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cpu_register_physical_memory(special_base + 0x1000000ULL, 0x10,
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cpu_register_physical_memory(special_base + 0x2000000ULL, 0x10000,
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cpu_register_physical_memory(mem_base, 0x10000000,
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pci_mem_data); // XXX size should be 4G-prom
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d = pci_register_device(s->bus, "Advanced PCI Bus", sizeof(PCIDevice),
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sysbus_init_mmio(dev, 0x10000ULL, pci_ioport);
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pci_mem_config = cpu_register_io_memory(pci_apb_config_read,
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pci_apb_config_write, s);
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sysbus_init_mmio(dev, 0x10ULL, pci_mem_config);
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pci_mem_data = cpu_register_io_memory(pci_apb_read,
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pci_apb_write, &s->host_state);
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sysbus_init_mmio(dev, 0x10000000ULL, pci_mem_data);
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static void pbm_pci_host_init(PCIDevice *d)
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pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_SUN);
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pci_config_set_device_id(d->config, PCI_DEVICE_ID_SUN_SABRE);
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d->config[0x04] = 0x06; // command = bus master, pci mem
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d->config[0x09] = 0x00; // programming i/f
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pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
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d->config[0x0D] = 0x10; // latency_timer
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d->config[0x0E] = 0x00; // header_type
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/* APB secondary busses */
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*bus2 = pci_bridge_init(s->bus, 8, PCI_VENDOR_ID_SUN,
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PCI_DEVICE_ID_SUN_SIMBA, pci_apb_map_irq,
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"Advanced PCI Bus secondary bridge 1");
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*bus3 = pci_bridge_init(s->bus, 9, PCI_VENDOR_ID_SUN,
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PCI_DEVICE_ID_SUN_SIMBA, pci_apb_map_irq,
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"Advanced PCI Bus secondary bridge 2");
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d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
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static PCIDeviceInfo pbm_pci_host_info = {
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.qdev.size = sizeof(PCIDevice),
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.init = pbm_pci_host_init,
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static void pbm_register_devices(void)
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sysbus_register_dev("pbm", sizeof(APBState), pci_pbm_init_device);
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pci_qdev_register(&pbm_pci_host_info);
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device_init(pbm_register_devices)