/*
* Driver for the IDT RC32434 (Korina) on-chip ethernet controller.
*
* Copyright 2004 IDT Inc. (rischelp@idt.com)
* Copyright 2006 Felix Fietkau <nbd@openwrt.org>
* Copyright 2008 Florian Fainelli <florian@openwrt.org>
* Copyright 2017 Roman Yeryomin <roman@advem.lv>
*
* 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 SOFTWARE IS PROVIDED ``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 THE AUTHOR 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.
*
* 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.
*
* Writing to a DMA status register:
*
* When writing to the status register, you should mask the bit you have
* been testing the status register with. Both Tx and Rx DMA registers
* should stick to this procedure.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/moduleparam.h>
#include <linux/sched.h>
#include <linux/ctype.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/iopoll.h>
#include <linux/in.h>
#include <linux/of_device.h>
#include <linux/of_net.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/errno.h>
#include <linux/platform_device.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/crc32.h>
#include <linux/pgtable.h>
#include <linux/clk.h>
#define DRV_NAME "korina"
#define DRV_VERSION "0.20"
#define DRV_RELDATE "15Sep2017"
struct eth_regs {
u32 ethintfc;
u32 ethfifott;
u32 etharc;
u32 ethhash0;
u32 ethhash1;
u32 ethu0[4]; /* Reserved. */
u32 ethpfs;
u32 ethmcp;
u32 eth_u1[10]; /* Reserved. */
u32 ethspare;
u32 eth_u2[42]; /* Reserved. */
u32 ethsal0;
u32 ethsah0;
u32 ethsal1;
u32 ethsah1;
u32 ethsal2;
u32 