/*
* Copyright 2008-2015 Freescale Semiconductor Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Freescale Semiconductor nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "fman_dtsec.h"
#include "fman.h"
#include <linux/slab.h>
#include <linux/bitrev.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/phy.h>
#include <linux/crc32.h>
#include <linux/of_mdio.h>
#include <linux/mii.h>
/* TBI register addresses */
#define MII_TBICON 0x11
/* TBICON register bit fields */
#define TBICON_SOFT_RESET 0x8000 /* Soft reset */
#define TBICON_DISABLE_RX_DIS 0x2000 /* Disable receive disparity */
#define TBICON_DISABLE_TX_DIS 0x1000 /* Disable transmit disparity */
#define TBICON_AN_SENSE 0x0100 /* Auto-negotiation sense enable */
#define TBICON_CLK_SELECT 0x0020 /* Clock select */
#define TBICON_MI_MODE 0x0010 /* GMII mode (TBI if not set) */
#define TBIANA_SGMII 0x4001
#define TBIANA_1000X 0x01a0
/* Interrupt Mask Register (IMASK) */
#define DTSEC_IMASK_BREN 0x80000000
#define DTSEC_IMASK_RXCEN 0x40000000
#define DTSEC_IMASK_MSROEN 0x04000000
#define DTSEC_IMASK_GTSCEN 0x02000000
#define DTSEC_IMASK_BTEN 0x01000000
#define DTSEC_IMASK_TXCEN 0x00800000
#define DTSEC_IMASK_TXEEN 0x00400000
#define DTSEC_IMASK_LCEN 0x00040000
#define DTSEC_IMASK_CRLEN 0x00020000
#define DTSEC_IMASK_XFUNEN 0x00010000
#define DTSEC_IMASK_ABRTEN 0x00008000
#define DTSEC_IMASK_IFERREN 0x00004000
#define DTSEC_IMASK_MAGEN 0x00000800
#define DTSEC_IMASK_MMRDEN 0x00000400
#define DTSEC_IMASK_MMWREN 0x00000200
#define DTSEC_IMASK_GRSCEN 0x00000100
#define DTSEC_IMASK_TDPEEN 0x00000002