diff options
Diffstat (limited to 'src/mainboard/roda/rk9/ti_pci7xx1.c')
| -rw-r--r-- | src/mainboard/roda/rk9/ti_pci7xx1.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/mainboard/roda/rk9/ti_pci7xx1.c b/src/mainboard/roda/rk9/ti_pci7xx1.c new file mode 100644 index 0000000000..8acc90f9e7 --- /dev/null +++ b/src/mainboard/roda/rk9/ti_pci7xx1.c @@ -0,0 +1,71 @@ +/* + * 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, +}; + |