| /* |
| * This file is part of the coreboot project. |
| * |
| * 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 <arch/io.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <console/console.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_VT8237A_LPC, 0); |
| if (!lpc_dev) |
| return 0; |
| |
| acpi_io_base = pci_read_config16(lpc_dev, 0x88) & ~1; |
| if (!acpi_io_base) |
| return 0; |
| |
| gpio_in = inl(acpi_io_base + 0x48); |
| /* bit 9 for primary port, clear if unconnected or 80-pin cable */ |
| res = gpio_in & (1<<9) ? 0 : VT8237R_IDE0_80PIN_CABLE; |
| /* bit 4 for secondary port, clear if unconnected or 80-pin cable */ |
| res |= gpio_in & (1<<4) ? 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; |
| } |
| |
| struct chip_operations mainboard_ops = { |
| }; |