linux-imx

/*

 * Copyright 2011 Freescale Semiconductor, Inc

 *

 * Freescale Integrated Flash Controller

 *

 * Author: Dipen Dudhat <Dipen.Dudhat@freescale.com>

 *

 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.

 */

#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/compiler.h>

#include <linux/sched.h>

#include <linux/spinlock.h>

#include <linux/types.h>

#include <linux/slab.h>

#include <linux/io.h>

#include <linux/of.h>

#include <linux/of_device.h>

#include <linux/platform_device.h>

#include <linux/fsl_ifc.h>

#include <linux/irqdomain.h>

#include <linux/of_address.h>

#include <linux/of_irq.h>

​

struct fsl_ifc_ctrl *fsl_ifc_ctrl_dev;

EXPORT_SYMBOL(fsl_ifc_ctrl_dev);

​

/*

 * convert_ifc_address - convert the base address

 * @addr_base:  base address of the memory bank

 */

unsigned int convert_ifc_address(phys_addr_t addr_base)

{

    return addr_base & CSPR_BA;

}

EXPORT_SYMBOL(convert_ifc_address);

​

/*

 * fsl_ifc_find - find IFC bank

 * @addr_base:  base address of the memory bank

 *

 * This function walks IFC banks comparing "Base address" field of the CSPR

 * registers with the supplied addr_base argument. When bases match this

 * function returns bank number (starting with 0), otherwise it returns

 * appropriate errno value.

 */

int fsl_ifc_find(phys_addr_t addr_base)

{

    int i = 0;

​