patch-2.3.15 linux/drivers/atm/zeprom.h

• Lines: 35
• Date: Mon Aug 23 09:56:31 1999
• Orig file: v2.3.14/linux/drivers/atm/zeprom.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.14/linux/drivers/atm/zeprom.h linux/drivers/atm/zeprom.h
@@ -0,0 +1,34 @@
+/* drivers/atm/zeprom.h - ZeitNet ZN122x EEPROM (NM93C46) declarations */
+
+/* Written 1995,1996 by Werner Almesberger, EPFL LRC */
+
+
+#ifndef DRIVER_ATM_ZEPROM_H
+#define DRIVER_ATM_ZEPROM_H
+
+/* Different versions use different control registers */
+
+#define ZEPROM_V1_REG	PCI_VENDOR_ID	/* PCI register */
+#define ZEPROM_V2_REG	0x40
+
+/* Bits in contol register */
+
+#define ZEPROM_SK	0x80000000	/* strobe (probably on raising edge) */
+#define ZEPROM_CS	0x40000000	/* Chip Select */
+#define ZEPROM_DI	0x20000000	/* Data Input */
+#define ZEPROM_DO	0x10000000	/* Data Output */
+
+#define ZEPROM_SIZE	32		/* 32 bytes */
+#define ZEPROM_V1_ESI_OFF 24		/* ESI offset in EEPROM (V1) */
+#define ZEPROM_V2_ESI_OFF 4		/* ESI offset in EEPROM (V2) */
+
+#define ZEPROM_CMD_LEN	3		/* commands are three bits */
+#define ZEPROM_ADDR_LEN	6		/* addresses are six bits */
+
+/* Commands (3 bits) */
+
+#define ZEPROM_CMD_READ	6
+
+/* No other commands are needed. */
+
+#endif