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>
36 lines
984 B
C
36 lines
984 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* drivers/atm/zeprom.h - ZeitNet ZN122x EEPROM (NM93C46) declarations */
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/* Written 1995,1996 by Werner Almesberger, EPFL LRC */
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#ifndef DRIVER_ATM_ZEPROM_H
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#define DRIVER_ATM_ZEPROM_H
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/* Different versions use different control registers */
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#define ZEPROM_V1_REG PCI_VENDOR_ID /* PCI register */
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#define ZEPROM_V2_REG 0x40
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/* Bits in control register */
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#define ZEPROM_SK 0x80000000 /* strobe (probably on raising edge) */
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#define ZEPROM_CS 0x40000000 /* Chip Select */
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#define ZEPROM_DI 0x20000000 /* Data Input */
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#define ZEPROM_DO 0x10000000 /* Data Output */
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#define ZEPROM_SIZE 32 /* 32 bytes */
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#define ZEPROM_V1_ESI_OFF 24 /* ESI offset in EEPROM (V1) */
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#define ZEPROM_V2_ESI_OFF 4 /* ESI offset in EEPROM (V2) */
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#define ZEPROM_CMD_LEN 3 /* commands are three bits */
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#define ZEPROM_ADDR_LEN 6 /* addresses are six bits */
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/* Commands (3 bits) */
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#define ZEPROM_CMD_READ 6
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/* No other commands are needed. */
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#endif
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