| /* Random defines and structures for the HP Lance driver. |
| * Copyright (C) 05/1998 Peter Maydell <pmaydell@chiark.greenend.org.uk> |
| * Based on the Sun Lance driver and the NetBSD HP Lance driver |
| */ |
| |
| /* Registers */ |
| struct hplance_reg |
| { |
| u_char pad0; |
| volatile u_char id; /* DIO register: ID byte */ |
| u_char pad1; |
| volatile u_char status; /* DIO register: interrupt enable */ |
| }; |
| |
| /* Control and status bits for the hplance->status register */ |
| #define LE_IE 0x80 /* interrupt enable */ |
| #define LE_IR 0x40 /* interrupt requested */ |
| #define LE_LOCK 0x08 /* lock status register */ |
| #define LE_ACK 0x04 /* ack of lock */ |
| #define LE_JAB 0x02 /* loss of tx clock (???) */ |
| /* We can also extract the IPL from the status register with the standard |
| * DIO_IPL(hplance) macro, or using dio_scodetoipl() |
| */ |
| |
| /* These are the offsets for the DIO regs (hplance_reg), lance_ioreg, |
| * memory and NVRAM: |
| */ |
| #define HPLANCE_IDOFF 0 /* board baseaddr, struct hplance_reg */ |
| #define HPLANCE_REGOFF 0x4000 /* struct lance_regs */ |
| #define HPLANCE_MEMOFF 0x8000 /* struct lance_init_block */ |
| #define HPLANCE_NVRAMOFF 0xC008 /* etheraddress as one *nibble* per byte */ |
