linux-imx

/*

 * OMAP3XXX L3 Interconnect Driver

 *

 * Copyright (C) 2011 Texas Corporation

 *  Felipe Balbi <balbi@ti.com>

 *  Santosh Shilimkar <santosh.shilimkar@ti.com>

 *  Sricharan <r.sricharan@ti.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307

 * USA

 */

​

#include <linux/kernel.h>

#include <linux/slab.h>

#include <linux/platform_device.h>

#include <linux/interrupt.h>

#include <linux/io.h>

#include <linux/module.h>

#include <linux/of.h>

#include <linux/of_device.h>

​

#include "omap_l3_smx.h"

​

static inline u64 omap3_l3_readll(void __iomem *base, u16 reg)

{

    return __raw_readll(base + reg);

}

​

static inline void omap3_l3_writell(void __iomem *base, u16 reg, u64 value)

{

    __raw_writell(value, base + reg);

}

​

static inline enum omap3_l3_code omap3_l3_decode_error_code(u64 error)

{

    return (error & 0x0f000000) >> L3_ERROR_LOG_CODE;

}

​

static inline u32 omap3_l3_decode_addr(u64 error_addr)

{

    return error_addr & 0xffffffff;

}

​

static inline unsigned omap3_l3_decode_cmd(u64 error)

{

    return (error & 0x07) >> L3_ERROR_LOG_CMD;

}

​

static inline enum omap3_l3_initiator_id omap3_l3_decode_initid(u64 error)

{

    return (error & 0xff00) >> L3_ERROR_LOG_INITID;

}

​

static inline unsigned omap3_l3_decode_req_info(u64 error)

{

    return (error >> 32) & 0xffff;

}

​

static char *omap3_l3_code_string(u8 code)

{

    switch (code) {

    case OMAP_L3_CODE_NOERROR:

        return "No Error";

    case OMAP_L3_CODE_UNSUP_CMD:

        return "Unsupported Command";

    case OMAP_L3_CODE_ADDR_HOLE:

        return "Address Hole";

    case OMAP_L3_CODE_PROTECT_VIOLATION:

        return "Protection Violation";

    case OMAP_L3_CODE_IN_BAND_ERR:

        return "In-band Error";

    case OMAP_L3_CODE_REQ_TOUT_NOT_ACCEPT:

        return "Request Timeout Not Accepted";

    case OMAP_L3_CODE_REQ_TOUT_NO_RESP:

        return "Request Timeout, no response";

    default:

        return "UNKNOWN error";

    }

}

​