/* EBUS (Eight bit bus) bridge */
static void ebus_realize(PCIDevice *pci_dev, Error **errp)
{
EbusState *s = EBUS(pci_dev);
SysBusDevice *sbd;
DeviceState *dev;
qemu_irq *isa_irq;
DriveInfo *fd[MAX_FD];
int i;
s->isa_bus = isa_bus_new(DEVICE(pci_dev), get_system_memory(),
pci_address_space_io(pci_dev), errp);
if (!s->isa_bus) {
error_setg(errp, "unable to instantiate EBUS ISA bus");
return;
}
/* ISA bus */
isa_irq = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS);
isa_bus_irqs(s->isa_bus, isa_irq);
qdev_init_gpio_out_named(DEVICE(s), s->isa_bus_irqs, "isa-irq",
ISA_NUM_IRQS);
/* Serial ports */
i = 0;
if (s->console_serial_base) {
serial_mm_init(pci_address_space(pci_dev), s->console_serial_base,
0, NULL, 115200, serial_hds[i], DEVICE_BIG_ENDIAN);
i++;
}
serial_hds_isa_init(s->isa_bus, i, MAX_SERIAL_PORTS);
/* Parallel ports */
parallel_hds_isa_init(s->isa_bus, MAX_PARALLEL_PORTS);
/* Keyboard */
isa_create_simple(s->isa_bus, "i8042");
/* Floppy */
for (i = 0; i < MAX_FD; i++) {
fd[i] = drive_get(IF_FLOPPY, 0, i);
}
dev = DEVICE(isa_create(s->isa_bus, TYPE_ISA_FDC));
if (fd[0]) {
qdev_prop_set_drive(dev, "driveA", blk_by_legacy_dinfo(fd[0]),
&error_abort);
}
if (fd[1]) {
qdev_prop_set_drive(dev, "driveB", blk_by_legacy_dinfo(fd[1]),
&error_abort);
}
qdev_prop_set_uint32(dev, "dma", -1);
qdev_init_nofail(dev);
/* Power */
dev = qdev_create(NULL, TYPE_SUN4U_POWER);
qdev_init_nofail(dev);
sbd = SYS_BUS_DEVICE(dev);
memory_region_add_subregion(pci_address_space_io(pci_dev), 0x7240,
sysbus_mmio_get_region(sbd, 0));
/* PCI */
pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
pci_dev->config[0x05] = 0x00;
pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
pci_dev->config[0x07] = 0x03; // status = medium devsel
pci_dev->config[0x09] = 0x00; // programming i/f
pci_dev->config[0x0D] = 0x0a; // latency_timer
memory_region_init_alias(&s->bar0, OBJECT(s), "bar0", get_system_io(),
0, 0x1000000);
pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(),
0, 0x8000);
pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
}
static void sun4uv_init(MemoryRegion *address_space_mem,
MachineState *machine,
const struct hwdef *hwdef)
{
SPARCCPU *cpu;
Nvram *nvram;
unsigned int i;
uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
PCIBus *pci_bus, *pci_bus2, *pci_bus3;
ISABus *isa_bus;
SysBusDevice *s;
qemu_irq *ivec_irqs, *pbm_irqs;
DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
DriveInfo *fd[MAX_FD];
FWCfgState *fw_cfg;
/* init CPUs */
cpu = cpu_devinit(machine->cpu_model, hwdef);
/* set up devices */
ram_init(0, machine->ram_size);
prom_init(hwdef->prom_addr, bios_name);
ivec_irqs = qemu_allocate_irqs(cpu_set_ivec_irq, cpu, IVEC_MAX);
pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, ivec_irqs, &pci_bus2,
&pci_bus3, &pbm_irqs);
pci_vga_init(pci_bus);
// XXX Should be pci_bus3
isa_bus = pci_ebus_init(pci_bus, -1, pbm_irqs);
i = 0;
if (hwdef->console_serial_base) {
serial_mm_init(address_space_mem, hwdef->console_serial_base, 0,
NULL, 115200, serial_hds[i], DEVICE_BIG_ENDIAN);
i++;
}
serial_hds_isa_init(isa_bus, MAX_SERIAL_PORTS);
parallel_hds_isa_init(isa_bus, MAX_PARALLEL_PORTS);
for(i = 0; i < nb_nics; i++)
pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
ide_drive_get(hd, ARRAY_SIZE(hd));
pci_cmd646_ide_init(pci_bus, hd, 1);
isa_create_simple(isa_bus, "i8042");
for(i = 0; i < MAX_FD; i++) {
fd[i] = drive_get(IF_FLOPPY, 0, i);
}
fdctrl_init_isa(isa_bus, fd);
/* Map NVRAM into I/O (ebus) space */
nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59);
s = SYS_BUS_DEVICE(nvram);
memory_region_add_subregion(get_system_io(), 0x2000,
sysbus_mmio_get_region(s, 0));
initrd_size = 0;
initrd_addr = 0;
kernel_size = sun4u_load_kernel(machine->kernel_filename,
machine->initrd_filename,
ram_size, &initrd_size, &initrd_addr,
&kernel_addr, &kernel_entry);
sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
machine->boot_order,
kernel_addr, kernel_size,
machine->kernel_cmdline,
initrd_addr, initrd_size,
/* XXX: need an option to load a NVRAM image */
0,
graphic_width, graphic_height, graphic_depth,
(uint8_t *)&nd_table[0].macaddr);
fw_cfg = fw_cfg_init_io(BIOS_CFG_IOPORT);
fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
if (machine->kernel_cmdline) {
fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
strlen(machine->kernel_cmdline) + 1);
fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
} else {
fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
}
fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]);
fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}