/* * This file is part of the coreboot project. * * Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz> * Copyright (C) 2010 Tobias Diedrich <ranma+coreboot@tdiedrich.de> * * 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 <console/console.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> #include <arch/io.h> #include "southbridge/via/vt8237r/vt8237r.h" u32 vt8237_ide_80pin_detect(struct device *dev) { device_t lpc_dev; u16 acpi_io_base; u32 gpio_in; u32 res; lpc_dev = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT8237R_LPC, 0); if (!lpc_dev) return 0; acpi_io_base = pci_read_config16(lpc_dev, 0x88) & ~1; if (!acpi_io_base) return 0; /* select function GPIO29 for pin AB9 */ pci_write_config8(lpc_dev, 0xe5, pci_read_config8(lpc_dev, 0xe5) | 0x08); gpio_in = inl(acpi_io_base + 0x48); /* bit 29 for primary port, clear if unconnected or 80-pin cable */ res = gpio_in & (1<<29) ? 0 : VT8237R_IDE0_80PIN_CABLE; /* bit 8 for secondary port, clear if unconnected or 80-pin cable */ res |= gpio_in & (1<<8) ? 0 : VT8237R_IDE1_80PIN_CABLE; printk(BIOS_INFO, "Cable on %s PATA port: %d pin\n", "primary", res & VT8237R_IDE0_80PIN_CABLE ? 80 : 40); printk(BIOS_INFO, "Cable on %s PATA port: %d pin\n", "secondary", res & VT8237R_IDE1_80PIN_CABLE ? 80 : 40); return res; }