1/* SPDX-License-Identifier: GPL-2.0 */
 2/* drivers/atm/zeprom.h - ZeitNet ZN122x EEPROM (NM93C46) declarations */
 3
 4/* Written 1995,1996 by Werner Almesberger, EPFL LRC */
 5
 6
 7#ifndef DRIVER_ATM_ZEPROM_H
 8#define DRIVER_ATM_ZEPROM_H
 9
10/* Different versions use different control registers */
11
12#define ZEPROM_V1_REG	PCI_VENDOR_ID	/* PCI register */
13#define ZEPROM_V2_REG	0x40
14
15/* Bits in control register */
16
17#define ZEPROM_SK	0x80000000	/* strobe (probably on raising edge) */
18#define ZEPROM_CS	0x40000000	/* Chip Select */
19#define ZEPROM_DI	0x20000000	/* Data Input */
20#define ZEPROM_DO	0x10000000	/* Data Output */
21
22#define ZEPROM_SIZE	32		/* 32 bytes */
23#define ZEPROM_V1_ESI_OFF 24		/* ESI offset in EEPROM (V1) */
24#define ZEPROM_V2_ESI_OFF 4		/* ESI offset in EEPROM (V2) */
25
26#define ZEPROM_CMD_LEN	3		/* commands are three bits */
27#define ZEPROM_ADDR_LEN	6		/* addresses are six bits */
28
29/* Commands (3 bits) */
30
31#define ZEPROM_CMD_READ	6
32
33/* No other commands are needed. */
34
35#endif

 
 1/* drivers/atm/zeprom.h - ZeitNet ZN122x EEPROM (NM93C46) declarations */
 2
 3/* Written 1995,1996 by Werner Almesberger, EPFL LRC */
 4
 5
 6#ifndef DRIVER_ATM_ZEPROM_H
 7#define DRIVER_ATM_ZEPROM_H
 8
 9/* Different versions use different control registers */
10
11#define ZEPROM_V1_REG	PCI_VENDOR_ID	/* PCI register */
12#define ZEPROM_V2_REG	0x40
13
14/* Bits in contol register */
15
16#define ZEPROM_SK	0x80000000	/* strobe (probably on raising edge) */
17#define ZEPROM_CS	0x40000000	/* Chip Select */
18#define ZEPROM_DI	0x20000000	/* Data Input */
19#define ZEPROM_DO	0x10000000	/* Data Output */
20
21#define ZEPROM_SIZE	32		/* 32 bytes */
22#define ZEPROM_V1_ESI_OFF 24		/* ESI offset in EEPROM (V1) */
23#define ZEPROM_V2_ESI_OFF 4		/* ESI offset in EEPROM (V2) */
24
25#define ZEPROM_CMD_LEN	3		/* commands are three bits */
26#define ZEPROM_ADDR_LEN	6		/* addresses are six bits */
27
28/* Commands (3 bits) */
29
30#define ZEPROM_CMD_READ	6
31
32/* No other commands are needed. */
33
34#endif