^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* Random defines and structures for the HP Lance driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 05/1998 Peter Maydell <pmaydell@chiark.greenend.org.uk>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Based on the Sun Lance driver and the NetBSD HP Lance driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) /* Registers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define HPLANCE_ID 0x01 /* DIO register: ID byte */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #define HPLANCE_STATUS 0x03 /* DIO register: interrupt enable/status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) /* Control and status bits for the status register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define LE_IE 0x80 /* interrupt enable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define LE_IR 0x40 /* interrupt requested */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define LE_LOCK 0x08 /* lock status register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define LE_ACK 0x04 /* ack of lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define LE_JAB 0x02 /* loss of tx clock (???) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) /* We can also extract the IPL from the status register with the standard
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * DIO_IPL(hplance) macro, or using dio_scodetoipl()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /* These are the offsets for the DIO regs (hplance_reg), lance_ioreg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * memory and NVRAM:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define HPLANCE_IDOFF 0 /* board baseaddr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define HPLANCE_REGOFF 0x4000 /* lance registers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define HPLANCE_MEMOFF 0x8000 /* struct lance_init_block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define HPLANCE_NVRAMOFF 0xC008 /* etheraddress as one *nibble* per byte */