1384740dcSRalf Baechle /* 2384740dcSRalf Baechle * This file is subject to the terms and conditions of the GNU General Public 3384740dcSRalf Baechle * License. See the file "COPYING" in the main directory of this archive 4384740dcSRalf Baechle * for more details. 5384740dcSRalf Baechle * 6384740dcSRalf Baechle * Copyright (C) 2000, 2003 Ralf Baechle 7384740dcSRalf Baechle * Copyright (C) 2000 Silicon Graphics, Inc. 8384740dcSRalf Baechle */ 9384740dcSRalf Baechle #ifndef _ASM_SN_IO_H 10384740dcSRalf Baechle #define _ASM_SN_IO_H 11384740dcSRalf Baechle 12384740dcSRalf Baechle #if defined(CONFIG_SGI_IP27) 13384740dcSRalf Baechle #include <asm/sn/sn0/hubio.h> 14384740dcSRalf Baechle #endif 15384740dcSRalf Baechle 16384740dcSRalf Baechle 17384740dcSRalf Baechle #define IIO_ITTE_BASE 0x400160 /* base of translation table entries */ 18384740dcSRalf Baechle #define IIO_ITTE(bigwin) (IIO_ITTE_BASE + 8*(bigwin)) 19384740dcSRalf Baechle 20384740dcSRalf Baechle #define IIO_ITTE_OFFSET_BITS 5 /* size of offset field */ 21384740dcSRalf Baechle #define IIO_ITTE_OFFSET_MASK ((1<<IIO_ITTE_OFFSET_BITS)-1) 22384740dcSRalf Baechle #define IIO_ITTE_OFFSET_SHIFT 0 23384740dcSRalf Baechle 24384740dcSRalf Baechle #define IIO_ITTE_WIDGET_BITS 4 /* size of widget field */ 25384740dcSRalf Baechle #define IIO_ITTE_WIDGET_MASK ((1<<IIO_ITTE_WIDGET_BITS)-1) 26384740dcSRalf Baechle #define IIO_ITTE_WIDGET_SHIFT 8 27384740dcSRalf Baechle 28384740dcSRalf Baechle #define IIO_ITTE_IOSP 1 /* I/O Space bit */ 29384740dcSRalf Baechle #define IIO_ITTE_IOSP_MASK 1 30384740dcSRalf Baechle #define IIO_ITTE_IOSP_SHIFT 12 31384740dcSRalf Baechle #define HUB_PIO_MAP_TO_MEM 0 32384740dcSRalf Baechle #define HUB_PIO_MAP_TO_IO 1 33384740dcSRalf Baechle 34384740dcSRalf Baechle #define IIO_ITTE_INVALID_WIDGET 3 /* an invalid widget */ 35384740dcSRalf Baechle 36384740dcSRalf Baechle #define IIO_ITTE_PUT(nasid, bigwin, io_or_mem, widget, addr) \ 37384740dcSRalf Baechle REMOTE_HUB_S((nasid), IIO_ITTE(bigwin), \ 38384740dcSRalf Baechle (((((addr) >> BWIN_SIZE_BITS) & \ 39384740dcSRalf Baechle IIO_ITTE_OFFSET_MASK) << IIO_ITTE_OFFSET_SHIFT) | \ 40384740dcSRalf Baechle (io_or_mem << IIO_ITTE_IOSP_SHIFT) | \ 41384740dcSRalf Baechle (((widget) & IIO_ITTE_WIDGET_MASK) << IIO_ITTE_WIDGET_SHIFT))) 42384740dcSRalf Baechle 43384740dcSRalf Baechle #define IIO_ITTE_DISABLE(nasid, bigwin) \ 44384740dcSRalf Baechle IIO_ITTE_PUT((nasid), HUB_PIO_MAP_TO_MEM, \ 45384740dcSRalf Baechle (bigwin), IIO_ITTE_INVALID_WIDGET, 0) 46384740dcSRalf Baechle 47db0e7d4eSThomas Bogendoerfer #define IIO_ITTE_GET(nasid, bigwin) REMOTE_HUB_PTR((nasid), IIO_ITTE(bigwin)) 48384740dcSRalf Baechle 49384740dcSRalf Baechle /* 50384740dcSRalf Baechle * Macro which takes the widget number, and returns the 51384740dcSRalf Baechle * IO PRB address of that widget. 52384740dcSRalf Baechle * value _x is expected to be a widget number in the range 53384740dcSRalf Baechle * 0, 8 - 0xF 54384740dcSRalf Baechle */ 55384740dcSRalf Baechle #define IIO_IOPRB(_x) (IIO_IOPRB_0 + ( ( (_x) < HUB_WIDGET_ID_MIN ? \ 56384740dcSRalf Baechle (_x) : \ 57384740dcSRalf Baechle (_x) - (HUB_WIDGET_ID_MIN-1)) << 3) ) 58384740dcSRalf Baechle 59384740dcSRalf Baechle #endif /* _ASM_SN_IO_H */ 60