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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/ethernet/altera/altera_utils.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/altera/altera_utils.c')
-rw-r--r-- | drivers/net/ethernet/altera/altera_utils.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/net/ethernet/altera/altera_utils.c b/drivers/net/ethernet/altera/altera_utils.c new file mode 100644 index 000000000..e6a7fc9d8 --- /dev/null +++ b/drivers/net/ethernet/altera/altera_utils.c @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* Altera TSE SGDMA and MSGDMA Linux driver + * Copyright (C) 2014 Altera Corporation. All rights reserved + */ + +#include "altera_tse.h" +#include "altera_utils.h" + +void tse_set_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask) +{ + u32 value = csrrd32(ioaddr, offs); + value |= bit_mask; + csrwr32(value, ioaddr, offs); +} + +void tse_clear_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask) +{ + u32 value = csrrd32(ioaddr, offs); + value &= ~bit_mask; + csrwr32(value, ioaddr, offs); +} + +int tse_bit_is_set(void __iomem *ioaddr, size_t offs, u32 bit_mask) +{ + u32 value = csrrd32(ioaddr, offs); + return (value & bit_mask) ? 1 : 0; +} + +int tse_bit_is_clear(void __iomem *ioaddr, size_t offs, u32 bit_mask) +{ + u32 value = csrrd32(ioaddr, offs); + return (value & bit_mask) ? 0 : 1; +} |