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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /drivers/atm/zeprom.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'drivers/atm/zeprom.h')
-rw-r--r--drivers/atm/zeprom.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/atm/zeprom.h b/drivers/atm/zeprom.h
new file mode 100644
index 00000000..019bb824
--- /dev/null
+++ b/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