linux_dsm_epyc7002/drivers/net/ethernet/altera/altera_utils.c
Vince Bridgers 6c3324a96b Altera TSE: Add Miscellaneous Files for Altera Ethernet Driver
This patch adds miscellaneous files for the Altera Ethernet Driver,
including ethtool support.

Signed-off-by: Vince Bridgers <vbridgers2013@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-17 21:26:57 -04:00

45 lines
1.3 KiB
C

/* Altera TSE SGDMA and MSGDMA Linux driver
* Copyright (C) 2014 Altera Corporation. All rights reserved
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*/
#include "altera_tse.h"
#include "altera_utils.h"
void tse_set_bit(void __iomem *ioaddr, u32 bit_mask)
{
u32 value = ioread32(ioaddr);
value |= bit_mask;
iowrite32(value, ioaddr);
}
void tse_clear_bit(void __iomem *ioaddr, u32 bit_mask)
{
u32 value = ioread32(ioaddr);
value &= ~bit_mask;
iowrite32(value, ioaddr);
}
int tse_bit_is_set(void __iomem *ioaddr, u32 bit_mask)
{
u32 value = ioread32(ioaddr);
return (value & bit_mask) ? 1 : 0;
}
int tse_bit_is_clear(void __iomem *ioaddr, u32 bit_mask)
{
u32 value = ioread32(ioaddr);
return (value & bit_mask) ? 0 : 1;
}