/* * 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 <string.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(device_t 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, };