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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* Random defines and structures for the HP Lance driver.
2 * Copyright (C) 05/1998 Peter Maydell <pmaydell@chiark.greenend.org.uk>
3 * Based on the Sun Lance driver and the NetBSD HP Lance driver
4 */
5
6/* Registers */
7#define HPLANCE_ID 0x01 /* DIO register: ID byte */
8#define HPLANCE_STATUS 0x03 /* DIO register: interrupt enable/status */
9
10/* Control and status bits for the status register */
11#define LE_IE 0x80 /* interrupt enable */
12#define LE_IR 0x40 /* interrupt requested */
13#define LE_LOCK 0x08 /* lock status register */
14#define LE_ACK 0x04 /* ack of lock */
15#define LE_JAB 0x02 /* loss of tx clock (???) */
16/* We can also extract the IPL from the status register with the standard
17 * DIO_IPL(hplance) macro, or using dio_scodetoipl()
18 */
19
20/* These are the offsets for the DIO regs (hplance_reg), lance_ioreg,
21 * memory and NVRAM:
22 */
23#define HPLANCE_IDOFF 0 /* board baseaddr */
24#define HPLANCE_REGOFF 0x4000 /* lance registers */
25#define HPLANCE_MEMOFF 0x8000 /* struct lance_init_block */
26#define HPLANCE_NVRAMOFF 0xC008 /* etheraddress as one *nibble* per byte */