diff options
Diffstat (limited to 'hw/sun4u.c')
| -rw-r--r-- | hw/sun4u.c | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/hw/sun4u.c b/hw/sun4u.c index 101d82d621..35f299c89b 100644 --- a/hw/sun4u.c +++ b/hw/sun4u.c @@ -344,6 +344,48 @@ static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 }; static fdctrl_t *floppy_controller; +static void ebus_mmio_mapfunc(PCIDevice *pci_dev, int region_num, + uint32_t addr, uint32_t size, int type) +{ + DPRINTF("Mapping region %d registers at %08x\n", region_num, addr); + switch (region_num) { + case 0: + isa_mmio_init(addr, 0x1000000); + break; + case 1: + isa_mmio_init(addr, 0x800000); + break; + } +} + +/* EBUS (Eight bit bus) bridge */ +static void +pci_ebus_init(PCIBus *bus, int devfn) +{ + PCIDevice *s; + + s = pci_register_device(bus, "EBUS", sizeof(*s), devfn, NULL, NULL); + s->config[0x00] = 0x8e; // vendor_id : Sun + s->config[0x01] = 0x10; + s->config[0x02] = 0x00; // device_id + s->config[0x03] = 0x10; + s->config[0x04] = 0x06; // command = bus master, pci mem + s->config[0x05] = 0x00; + s->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error + s->config[0x07] = 0x03; // status = medium devsel + s->config[0x08] = 0x01; // revision + s->config[0x09] = 0x00; // programming i/f + s->config[0x0A] = 0x80; // class_sub = misc bridge + s->config[0x0B] = 0x06; // class_base = PCI_bridge + s->config[0x0D] = 0x0a; // latency_timer + s->config[0x0E] = 0x00; // header_type + + pci_register_io_region(s, 0, 0x1000000, PCI_ADDRESS_SPACE_MEM, + ebus_mmio_mapfunc); + pci_register_io_region(s, 1, 0x800000, PCI_ADDRESS_SPACE_MEM, + ebus_mmio_mapfunc); +} + static void sun4uv_init(ram_addr_t RAM_size, int vga_ram_size, const char *boot_devices, DisplayState *ds, const char *kernel_filename, const char *kernel_cmdline, @@ -357,7 +399,7 @@ static void sun4uv_init(ram_addr_t RAM_size, int vga_ram_size, unsigned int i; ram_addr_t ram_offset, prom_offset, vga_ram_offset; long initrd_size, kernel_size; - PCIBus *pci_bus; + PCIBus *pci_bus, *pci_bus2, *pci_bus3; QEMUBH *bh; qemu_irq *irq; int drive_index; @@ -462,13 +504,17 @@ static void sun4uv_init(ram_addr_t RAM_size, int vga_ram_size, } } } - pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, NULL); + pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, NULL, &pci_bus2, + &pci_bus3); isa_mem_base = VGA_BASE; vga_ram_offset = qemu_ram_alloc(vga_ram_size); pci_vga_init(pci_bus, ds, phys_ram_base + vga_ram_offset, vga_ram_offset, vga_ram_size, 0, 0); + // XXX Should be pci_bus3 + pci_ebus_init(pci_bus, -1); + i = 0; if (hwdef->console_serial_base) { serial_mm_init(hwdef->console_serial_base, 0, NULL, 115200, |