| /* |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| * |
| * gio.h: Definitions for SGI GIO bus |
| * |
| * Copyright (C) 2002 Ladislav Michl |
| */ |
| |
| #ifndef _SGI_GIO_H |
| #define _SGI_GIO_H |
| |
| /* |
| * GIO bus addresses |
| * |
| * The Indigo and Indy have two GIO bus connectors. Indigo2 (all models) have |
| * three physical connectors, but only two slots, GFX and EXP0. |
| * |
| * There is 10MB of GIO address space for GIO64 slot devices |
| * slot# slot type address range size |
| * ----- --------- ----------------------- ----- |
| * 0 GFX 0x1f000000 - 0x1f3fffff 4MB |
| * 1 EXP0 0x1f400000 - 0x1f5fffff 2MB |
| * 2 EXP1 0x1f600000 - 0x1f9fffff 4MB |
| * |
| * There are un-slotted devices, HPC, I/O and misc devices, which are grouped |
| * into the HPC address space. |
| * - MISC 0x1fb00000 - 0x1fbfffff 1MB |
| * |
| * Following space is reserved and unused |
| * - RESERVED 0x18000000 - 0x1effffff 112MB |
| * |
| * GIO bus IDs |
| * |
| * Each GIO bus device identifies itself to the system by answering a |
| * read with an "ID" value. IDs are either 8 or 32 bits long. IDs less |
| * than 128 are 8 bits long, with the most significant 24 bits read from |
| * the slot undefined. |
| * |
| * 32-bit IDs are divided into |
| * bits 0:6 the product ID; ranges from 0x00 to 0x7F. |
| * bit 7 0=GIO Product ID is 8 bits wide |
| * 1=GIO Product ID is 32 bits wide. |
| * bits 8:15 manufacturer version for the product. |
| * bit 16 0=GIO32 and GIO32-bis, 1=GIO64. |
| * bit 17 0=no ROM present |
| * 1=ROM present on this board AND next three words |
| * space define the ROM. |
| * bits 18:31 up to manufacturer. |
| * |
| * IDs above 0x50/0xd0 are of 3rd party boards. |
| * |
| * 8-bit IDs |
| * 0x01 XPI low cost FDDI |
| * 0x02 GTR TokenRing |
| * 0x04 Synchronous ISDN |
| * 0x05 ATM board [*] |
| * 0x06 Canon Interface |
| * 0x07 16 bit SCSI Card [*] |
| * 0x08 JPEG (Double Wide) |
| * 0x09 JPEG (Single Wide) |
| * 0x0a XPI mez. FDDI device 0 |
| * 0x0b XPI mez. FDDI device 1 |
| * 0x0c SMPTE 259M Video [*] |
| * 0x0d Babblefish Compression [*] |
| * 0x0e E-Plex 8-port Ethernet |
| * 0x30 Lyon Lamb IVAS |
| * 0xb8 GIO 100BaseTX Fast Ethernet (gfe) |
| * |
| * [*] Device provide 32-bit ID. |
| * |
| */ |
| |
| #define GIO_ID(x) (x & 0x7f) |
| #define GIO_32BIT_ID 0x80 |
| #define GIO_REV(x) ((x >> 8) & 0xff) |
| #define GIO_64BIT_IFACE 0x10000 |
| #define GIO_ROM_PRESENT 0x20000 |
| #define GIO_VENDOR_CODE(x) ((x >> 18) & 0x3fff) |
| |
| #define GIO_SLOT_GFX_BASE 0x1f000000 |
| #define GIO_SLOT_EXP0_BASE 0x1f400000 |
| #define GIO_SLOT_EXP1_BASE 0x1f600000 |
| |
| #endif /* _SGI_GIO_H */ |
