| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering |
| * |
| * 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. |
| */ |
| #include <delay.h> |
| #include <stdlib.h> |
| #include <arch/io.h> |
| #include <edid.h> |
| |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <device/pci_ops.h> |
| |
| #include <pc80/vga.h> |
| |
| #include "../common/aspeed_coreboot.h" |
| #include "../common/ast_drv.h" |
| |
| static void aspeed_ast2050_set_resources(struct device *dev) |
| { |
| /* Reserve VGA regions */ |
| mmio_resource(dev, 3, 0xa0000 >> 10, 0x1ffff >> 10); |
| |
| /* Run standard resource set routine */ |
| pci_dev_set_resources(dev); |
| } |
| |
| static void aspeed_ast2050_init(struct device *dev) |
| { |
| u8 ret; |
| struct drm_device drm_dev; |
| |
| drm_dev.pdev = dev; |
| |
| printk(BIOS_INFO, "ASpeed AST2050: initializing video device\n"); |
| ret = ast_driver_load(&drm_dev, 0); |
| |
| /* Unlock extended configuration registers */ |
| outb(0x80, 0x3d4); outb(0xa8, 0x3d5); |
| |
| /* Set CRT Request Threshold */ |
| outb(0xa6, 0x3d4); outb(0x2f, 0x3d5); |
| outb(0xa7, 0x3d4); outb(0x3f, 0x3d5); |
| |
| /* Initialize standard VGA text mode */ |
| vga_io_init(); |
| vga_textmode_init(); |
| printk(BIOS_INFO, "ASpeed VGA text mode initialized\n"); |
| |
| /* if we don't have console, at least print something... */ |
| vga_line_write(0, "ASpeed VGA text mode initialized"); |
| } |
| |
| static struct device_operations aspeed_ast2050_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = aspeed_ast2050_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = aspeed_ast2050_init, |
| .scan_bus = 0, |
| }; |
| |
| static const struct pci_driver aspeed_ast2050_driver __pci_driver = { |
| .ops = &aspeed_ast2050_ops, |
| .vendor = PCI_VENDOR_ID_ASPEED, |
| .device = PCI_DEVICE_ID_ASPEED_AST2050_VGA, |
| }; |