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/*
* 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.
*/
#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,
};
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