| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2012 secunet Security Networks AG |
| * |
| * 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 <stdint.h> |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/cardbus.h> |
| |
| static void pci7xx1_enable(struct device *const dev) |
| { |
| printk(BIOS_DEBUG, "%s: TI PCI7xx1 media controller\n", __func__); |
| if (PCI_FUNC(dev->path.pci.devfn) == 0) { |
| const uint16_t secondary = dev->bus->secondary; |
| const unsigned slot = PCI_SLOT(dev->path.pci.devfn); |
| |
| int fn; |
| |
| /* Hide functions based on devicetree info. */ |
| u16 gcr = pci_read_config16(dev, 0x86); |
| for (fn = 5; fn > 0; --fn) { |
| const struct device *const d = |
| dev_find_slot(secondary, PCI_DEVFN(slot, fn)); |
| if (!d || d->enabled) continue; |
| printk(BIOS_DEBUG, |
| "%s: Hiding function #%d.\n", __func__, fn); |
| switch (fn) { |
| case 1: gcr |= 1 << 4; break; /* CardBus B */ |
| case 2: gcr |= 1 << 3; break; /* OHCI 1394 */ |
| case 3: gcr |= 1 << 5; break; /* Flash media */ |
| case 4: gcr |= 1 << 6; break; /* SD card */ |
| case 5: gcr |= 1 << 7; break; /* Smart Card */ |
| } |
| } |
| pci_write_config16(dev, 0x86, gcr); |
| } |
| } |
| |
| static struct device_operations device_ops = { |
| .read_resources = cardbus_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = cardbus_enable_resources, |
| .init = 0, |
| .scan_bus = pci_scan_bridge, |
| .enable = pci7xx1_enable, |
| .reset_bus = pci_bus_reset, |
| }; |
| |
| static const struct pci_driver ti_pci7xx1 __pci_driver = { |
| .ops = &device_ops, |
| .vendor = 0x104c, |
| .device = 0x8031, |
| }; |
| |