| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ops.h> |
| #include <pc80/keyboard.h> |
| |
| static const unsigned char qemu_i440fx_irqs[] = { |
| 11, 10, 10, 11, |
| 11, 10, 10, 11, |
| }; |
| |
| static void qemu_nb_init(struct device *dev) |
| { |
| /* Map memory at 0xc0000 - 0xfffff */ |
| int i; |
| uint8_t v = pci_read_config8(dev, 0x59); |
| v |= 0x30; |
| pci_write_config8(dev, 0x59, v); |
| for (i = 0; i < 6; i++) |
| pci_write_config8(dev, 0x5a + i, 0x33); |
| |
| /* This sneaked in here, because Qemu does not |
| * emulate a SuperIO chip |
| */ |
| pc_keyboard_init(NO_AUX_DEVICE); |
| |
| /* setup IRQ routing */ |
| for (i = 0; i < 32; i++) |
| pci_assign_irqs(pcidev_on_root(i, 0), qemu_i440fx_irqs + (i % 4)); |
| } |
| |
| static struct device_operations nb_operations = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = qemu_nb_init, |
| }; |
| |
| static const struct pci_driver nb_driver __pci_driver = { |
| .ops = &nb_operations, |
| .vendor = 0x8086, |
| .device = 0x1237, |
| }; |