Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/***************************************************************************
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* Header for amcc5920 pci chip
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*
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* copyright : (C) 2002 by Frank Mori Hess
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***************************************************************************/
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// plx pci chip registers and bits
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enum amcc_registers {
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AMCC_INTCS_REG = 0x38,
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AMCC_PASS_THRU_REG = 0x60,
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};
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enum amcc_incsr_bits {
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AMCC_ADDON_INTR_ENABLE_BIT = 0x2000,
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AMCC_ADDON_INTR_ACTIVE_BIT = 0x400000,
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AMCC_INTR_ACTIVE_BIT = 0x800000,
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};
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static const int bits_per_region = 8;
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static inline uint32_t amcc_wait_state_bits(unsigned int region, unsigned int num_wait_states)
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{
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return (num_wait_states & 0x7) << (--region * bits_per_region);
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};
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enum amcc_prefetch_bits {
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PREFETCH_DISABLED = 0x0,
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PREFETCH_SMALL = 0x8,
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PREFETCH_MEDIUM = 0x10,
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PREFETCH_LARGE = 0x18,
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};
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static inline uint32_t amcc_prefetch_bits(unsigned int region, enum amcc_prefetch_bits prefetch)
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{
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return prefetch << (--region * bits_per_region);
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};
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static inline uint32_t amcc_PTADR_mode_bit(unsigned int region)
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{
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return 0x80 << (--region * bits_per_region);
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};
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static inline uint32_t amcc_disable_write_fifo_bit(unsigned int region)
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{
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return 0x20 << (--region * bits_per_region);
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};
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