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/*
* Copyright 2012 Freescale Semiconductor, Inc.
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <linux/fec.h>
#include <linux/etherdevice.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include "devices-mvf.h"
#define ENET_PALR 0x0e4
#define ENET_PAUR 0x0e8
static unsigned char default_mac[ETH_ALEN] = {
0x00, 0xe0, 0x0c, 0xbc, 0xe5, 0x60};
/* FEC mac registers set by bootloader */
static int fec_get_mac_addr(unsigned char *mac)
{
unsigned int value;
value = readl(MVF_IO_ADDRESS(MVF_FEC_BASE_ADDR) + ENET_PALR);
mac[2] = value & 0xff;
mac[3] = (value >> 8) & 0xff;
mac[4] = (value >> 16) & 0xff;
mac[5] = (value >> 24) & 0xff;
value = readl(MVF_IO_ADDRESS(MVF_FEC_BASE_ADDR) + ENET_PAUR);
mac[0] = (value >> 16) & 0xff;
mac[1] = (value >> 24) & 0xff;
return 0;
}
void __init mvf_init_fec(struct fec_platform_data fec_data)
{
fec_get_mac_addr(fec_data.mac);
if (!is_valid_ether_addr(fec_data.mac))
memcpy(fec_data.mac, default_mac, ETH_ALEN);
mvf_add_fec(&fec_data);
}
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