/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2010 Marc Bertens <mbertens@xs4all.nl>
 *
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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 <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <console/console.h>

#if (	!defined( CONFIG_TI_PCMCIA_CARDBUS_CMDR ) || \
	!defined( CONFIG_TI_PCMCIA_CARDBUS_CLSR ) || \
	!defined( CONFIG_TI_PCMCIA_CARDBUS_CLTR	) || \
	!defined( CONFIG_TI_PCMCIA_CARDBUS_BCR ) || \
	!defined( CONFIG_TI_PCMCIA_CARDBUS_SCR ) || \
	!defined( CONFIG_TI_PCMCIA_CARDBUS_MRR ) )
#error "you must supply these values in your mainboard-specific Kconfig file"
#endif

static void ti_pci1x2y_init(struct device *dev)
{
	printk(BIOS_INFO, "Init of Texas Instruments PCI1x2x PCMCIA/CardBus controller\n");
	// Command register (offset 04)
	pci_write_config16( dev, 0x04, CONFIG_TI_PCMCIA_CARDBUS_CMDR );
	// Cache Line Size Register (offset 0x0C)
	pci_write_config8( dev, 0x0C, CONFIG_TI_PCMCIA_CARDBUS_CLSR );
	// CardBus latency timer register (offset 1B)
	pci_write_config8( dev, 0x1B, CONFIG_TI_PCMCIA_CARDBUS_CLTR );
	// Bridge control register (offset 3E)
	pci_write_config16( dev, 0x3E, CONFIG_TI_PCMCIA_CARDBUS_BCR );
	/** Enable change sub-vendor id
	 * Clear the bit 5 to enable to write to the sub-vendor/device ids at 40 and 42 */
	pci_write_config32( dev, 0x80, 0x10 );
	pci_write_config32( dev, 0x40, PCI_VENDOR_ID_NOKIA );
	// Now write the correct value for SCR
	// System Control Register (offset 0x80)
	pci_write_config32( dev, 0x80, CONFIG_TI_PCMCIA_CARDBUS_SCR );
	// Multifunction routing register
	pci_write_config32( dev, 0x8C, CONFIG_TI_PCMCIA_CARDBUS_MRR );
	// Set Device Control Register (0x92) accordingly
	pci_write_config8( dev, 0x92, pci_read_config8( dev, 0x92 ) | 0x02 );
	return;
}

static struct device_operations ti_pci1x2y_ops  = {
	.read_resources   = NULL, //pci_dev_read_resources,
	.set_resources    = pci_dev_set_resources,
	.enable_resources = pci_dev_enable_resources,
	.init             = ti_pci1x2y_init,
	.scan_bus         = 0,
};

static const struct pci_driver ti_pci1225_driver __pci_driver = {
        .ops    = &ti_pci1x2y_ops,
        .vendor = PCI_VENDOR_ID_TI,
        .device = PCI_DEVICE_ID_TI_1225,
};

static const struct pci_driver ti_pci1420_driver __pci_driver = {
        .ops    = &ti_pci1x2y_ops,
        .vendor = PCI_VENDOR_ID_TI,
        .device = PCI_DEVICE_ID_TI_1420,
};

static const struct pci_driver ti_pci1520_driver __pci_driver = {
        .ops    = &ti_pci1x2y_ops,
        .vendor = PCI_VENDOR_ID_TI,
        .device = PCI_DEVICE_ID_TI_1420,
};