1/* SPDX-License-Identifier: GPL-2.0 */
2/* Random defines and structures for the HP Lance driver.
3 * Copyright (C) 05/1998 Peter Maydell <pmaydell@chiark.greenend.org.uk>
4 * Based on the Sun Lance driver and the NetBSD HP Lance driver
5 */
6
7/* Registers */
8#define HPLANCE_ID		0x01		/* DIO register: ID byte */
9#define HPLANCE_STATUS		0x03		/* DIO register: interrupt enable/status */
10
11/* Control and status bits for the status register */
12#define LE_IE 0x80                                /* interrupt enable */
13#define LE_IR 0x40                                /* interrupt requested */
14#define LE_LOCK 0x08                              /* lock status register */
15#define LE_ACK 0x04                               /* ack of lock */
16#define LE_JAB 0x02                               /* loss of tx clock (???) */
17/* We can also extract the IPL from the status register with the standard
18 * DIO_IPL(hplance) macro, or using dio_scodetoipl()
19 */
20
21/* These are the offsets for the DIO regs (hplance_reg), lance_ioreg,
22 * memory and NVRAM:
23 */
24#define HPLANCE_IDOFF 0                           /* board baseaddr */
25#define HPLANCE_REGOFF 0x4000                     /* lance registers */
26#define HPLANCE_MEMOFF 0x8000                     /* struct lance_init_block */
27#define HPLANCE_NVRAMOFF 0xC008                   /* etheraddress as one *nibble* per byte */
28