diff options
Diffstat (limited to 'src/mainboard/emulation/qemu-i440fx/mainboard.c')
| -rw-r--r-- | src/mainboard/emulation/qemu-i440fx/mainboard.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/mainboard/emulation/qemu-i440fx/mainboard.c b/src/mainboard/emulation/qemu-i440fx/mainboard.c new file mode 100644 index 0000000000..f651b99094 --- /dev/null +++ b/src/mainboard/emulation/qemu-i440fx/mainboard.c @@ -0,0 +1,65 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2004 Stefan Reinauer <stefan.reinauer@coreboot.org> + * Copyright (C) 2010 Kevin O'Connor <kevin@koconnor.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include <pc80/keyboard.h> +#include <arch/io.h> + +static const unsigned char qemu_i440fx_irqs[] = { + 11, 10, 10, 11, + 11, 10, 10, 11, +}; + +static void qemu_nb_init(device_t 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(0); + + /* setup IRQ routing */ + for (i = 0; i < 32; i++) + pci_assign_irqs(0, i, 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, + .ops_pci = 0, +}; + +static const struct pci_driver nb_driver __pci_driver = { + .ops = &nb_operations, + .vendor = 0x8086, + .device = 0x1237, +}; |