| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* 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 */ |