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