projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public | |
| 3 | * License. See the file "COPYING" in the main directory of this archive | |
| 4 | * for more details. | |
| 5 | * | |
| 6 | * Copyright (C) 2000, 2003 Ralf Baechle | |
| 7 | * Copyright (C) 2000 Silicon Graphics, Inc. | |
| 8 | */ | |
| 9 | #ifndef _ASM_SN_IO_H | |
| 10 | #define _ASM_SN_IO_H | |
| 11 | ||
| 49a89efb | 12 | #if defined(CONFIG_SGI_IP27) |
| 1da177e4 LT |
13 | #include <asm/sn/sn0/hubio.h> |
| 14 | #endif | |
| 15 | ||
| 16 | ||
| 17 | #define IIO_ITTE_BASE 0x400160 /* base of translation table entries */ | |
| 18 | #define IIO_ITTE(bigwin) (IIO_ITTE_BASE + 8*(bigwin)) | |
| 19 | ||
| 20 | #define IIO_ITTE_OFFSET_BITS 5 /* size of offset field */ | |
| 21 | #define IIO_ITTE_OFFSET_MASK ((1<<IIO_ITTE_OFFSET_BITS)-1) | |
| 22 | #define IIO_ITTE_OFFSET_SHIFT 0 | |
| 23 | ||
| 24 | #define IIO_ITTE_WIDGET_BITS 4 /* size of widget field */ | |
| 25 | #define IIO_ITTE_WIDGET_MASK ((1<<IIO_ITTE_WIDGET_BITS)-1) | |
| 26 | #define IIO_ITTE_WIDGET_SHIFT 8 | |
| 27 | ||
| 28 | #define IIO_ITTE_IOSP 1 /* I/O Space bit */ | |
| 29 | #define IIO_ITTE_IOSP_MASK 1 | |
| 30 | #define IIO_ITTE_IOSP_SHIFT 12 | |
| 31 | #define HUB_PIO_MAP_TO_MEM 0 | |
| 32 | #define HUB_PIO_MAP_TO_IO 1 | |
| 33 | ||
| 34 | #define IIO_ITTE_INVALID_WIDGET 3 /* an invalid widget */ | |
| 35 | ||
| 36 | #define IIO_ITTE_PUT(nasid, bigwin, io_or_mem, widget, addr) \ | |
| 37 | REMOTE_HUB_S((nasid), IIO_ITTE(bigwin), \ | |
| 38 | (((((addr) >> BWIN_SIZE_BITS) & \ | |
| 39 | IIO_ITTE_OFFSET_MASK) << IIO_ITTE_OFFSET_SHIFT) | \ | |
| 40 | (io_or_mem << IIO_ITTE_IOSP_SHIFT) | \ | |
| 41 | (((widget) & IIO_ITTE_WIDGET_MASK) << IIO_ITTE_WIDGET_SHIFT))) | |
| 42 | ||
| 43 | #define IIO_ITTE_DISABLE(nasid, bigwin) \ | |
| 44 | IIO_ITTE_PUT((nasid), HUB_PIO_MAP_TO_MEM, \ | |
| 45 | (bigwin), IIO_ITTE_INVALID_WIDGET, 0) | |
| 46 | ||
| 47 | #define IIO_ITTE_GET(nasid, bigwin) REMOTE_HUB_ADDR((nasid), IIO_ITTE(bigwin)) | |
| 48 | ||
| 49 | /* | |
| 50 | * Macro which takes the widget number, and returns the | |
| 51 | * IO PRB address of that widget. | |
| 52 | * value _x is expected to be a widget number in the range | |
| 53 | * 0, 8 - 0xF | |
| 54 | */ | |
| 55 | #define IIO_IOPRB(_x) (IIO_IOPRB_0 + ( ( (_x) < HUB_WIDGET_ID_MIN ? \ | |
| 56 | (_x) : \ | |
| 57 | (_x) - (HUB_WIDGET_ID_MIN-1)) << 3) ) | |
| 58 | ||
| 59 | #endif /* _ASM_SN_IO_H */ |