diff options
Diffstat (limited to 'hw/sun4m.c')
| -rw-r--r-- | hw/sun4m.c | 50 |
1 files changed, 42 insertions, 8 deletions
diff --git a/hw/sun4m.c b/hw/sun4m.c index c67bf0b1b2..8f098d60ff 100644 --- a/hw/sun4m.c +++ b/hw/sun4m.c @@ -382,6 +382,46 @@ static void lance_init(NICInfo *nd, target_phys_addr_t leaddr, *reset = qdev_get_gpio_in(dev, 0); } +/* NCR89C100/MACIO Internal ID register */ +static const uint8_t idreg_data[] = { 0xfe, 0x81, 0x01, 0x03 }; + +static void idreg_init(target_phys_addr_t addr) +{ + DeviceState *dev; + SysBusDevice *s; + + dev = qdev_create(NULL, "macio_idreg"); + qdev_init(dev); + s = sysbus_from_qdev(dev); + + sysbus_mmio_map(s, 0, addr); + cpu_physical_memory_write_rom(addr, idreg_data, sizeof(idreg_data)); +} + +static void idreg_init1(SysBusDevice *dev) +{ + ram_addr_t idreg_offset; + + idreg_offset = qemu_ram_alloc(sizeof(idreg_data)); + sysbus_init_mmio(dev, sizeof(idreg_data), idreg_offset | IO_MEM_ROM); +} + +static SysBusDeviceInfo idreg_info = { + .init = idreg_init1, + .qdev.name = "macio_idreg", + .qdev.size = sizeof(SysBusDevice), + .qdev.props = (DevicePropList[]) { + {.name = NULL} + } +}; + +static void idreg_register_devices(void) +{ + sysbus_register_withprop(&idreg_info); +} + +device_init(idreg_register_devices); + static void sun4m_hw_init(const struct sun4m_hwdef *hwdef, ram_addr_t RAM_size, const char *boot_device, const char *kernel_filename, @@ -397,7 +437,7 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef, ram_addr_t RAM_size, qemu_irq *esp_reset, *le_reset; qemu_irq *fdc_tc; qemu_irq *cpu_halt; - ram_addr_t ram_offset, prom_offset, idreg_offset; + ram_addr_t ram_offset, prom_offset; unsigned long kernel_size; int ret; char *filename; @@ -477,13 +517,7 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef, ram_addr_t RAM_size, hwdef->clock_irq); if (hwdef->idreg_base) { - static const uint8_t idreg_data[] = { 0xfe, 0x81, 0x01, 0x03 }; - - idreg_offset = qemu_ram_alloc(sizeof(idreg_data)); - cpu_register_physical_memory(hwdef->idreg_base, sizeof(idreg_data), - idreg_offset | IO_MEM_ROM); - cpu_physical_memory_write_rom(hwdef->idreg_base, idreg_data, - sizeof(idreg_data)); + idreg_init(hwdef->idreg_base); } iommu = iommu_init(hwdef->iommu_base, hwdef->iommu_version, |