From 6c3324a96b4991d91c25d9fe6b52f5024e2cb8c5 Mon Sep 17 00:00:00 2001 From: Vince Bridgers <vbridgers2013@gmail.com> Date: Mon, 17 Mar 2014 17:52:37 -0500 Subject: 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> --- drivers/net/ethernet/altera/altera_utils.c | 44 ++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 drivers/net/ethernet/altera/altera_utils.c (limited to 'drivers/net/ethernet/altera/altera_utils.c') diff --git a/drivers/net/ethernet/altera/altera_utils.c b/drivers/net/ethernet/altera/altera_utils.c new file mode 100644 index 000000000000..70fa13f486b2 --- /dev/null +++ b/drivers/net/ethernet/altera/altera_utils.c @@ -0,0 +1,44 @@ +/* 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; +} -- cgit v1.2.3