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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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6c3324a96b
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>
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/* Altera TSE SGDMA and MSGDMA Linux driver
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* Copyright (C) 2014 Altera Corporation. All rights reserved
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "altera_tse.h"
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#include "altera_utils.h"
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void tse_set_bit(void __iomem *ioaddr, u32 bit_mask)
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{
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u32 value = ioread32(ioaddr);
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value |= bit_mask;
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iowrite32(value, ioaddr);
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}
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void tse_clear_bit(void __iomem *ioaddr, u32 bit_mask)
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{
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u32 value = ioread32(ioaddr);
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value &= ~bit_mask;
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iowrite32(value, ioaddr);
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}
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int tse_bit_is_set(void __iomem *ioaddr, u32 bit_mask)
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{
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u32 value = ioread32(ioaddr);
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return (value & bit_mask) ? 1 : 0;
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}
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int tse_bit_is_clear(void __iomem *ioaddr, u32 bit_mask)
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{
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u32 value = ioread32(ioaddr);
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return (value & bit_mask) ? 0 : 1;
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}
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