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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
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 */ |