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/*
 * 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.
 *
 * Copyright (C) 2000, 2003 Ralf Baechle
 * Copyright (C) 2000 Silicon Graphics, Inc.
 */
#ifndef _ASM_SN_IO_H
#define _ASM_SN_IO_H

#if defined(CONFIG_SGI_IP27)
#include <asm/sn/sn0/hubio.h>
#endif


#define IIO_ITTE_BASE		0x400160 /* base of translation table entries */
#define IIO_ITTE(bigwin)	(IIO_ITTE_BASE + 8*(bigwin))

#define IIO_ITTE_OFFSET_BITS	5	/* size of offset field */
#define IIO_ITTE_OFFSET_MASK	((1<<IIO_ITTE_OFFSET_BITS)-1)
#define IIO_ITTE_OFFSET_SHIFT	0

#define IIO_ITTE_WIDGET_BITS	4	/* size of widget field */
#define IIO_ITTE_WIDGET_MASK	((1<<IIO_ITTE_WIDGET_BITS)-1)
#define IIO_ITTE_WIDGET_SHIFT	8

#define IIO_ITTE_IOSP		1	/* I/O Space bit */
#define IIO_ITTE_IOSP_MASK	1
#define IIO_ITTE_IOSP_SHIFT	12
#define HUB_PIO_MAP_TO_MEM	0
#define HUB_PIO_MAP_TO_IO	1

#define IIO_ITTE_INVALID_WIDGET 3	/* an invalid widget  */

#define IIO_ITTE_PUT(nasid, bigwin, io_or_mem, widget, addr) \
	REMOTE_HUB_S((nasid), IIO_ITTE(bigwin), \
		(((((addr) >> BWIN_SIZE_BITS) & \
		   IIO_ITTE_OFFSET_MASK) << IIO_ITTE_OFFSET_SHIFT) | \
		(io_or_mem << IIO_ITTE_IOSP_SHIFT) | \
		(((widget) & IIO_ITTE_WIDGET_MASK) << IIO_ITTE_WIDGET_SHIFT)))

#define IIO_ITTE_DISABLE(nasid, bigwin) \
	IIO_ITTE_PUT((nasid), HUB_PIO_MAP_TO_MEM, \
		     (bigwin), IIO_ITTE_INVALID_WIDGET, 0)

#define IIO_ITTE_GET(nasid, bigwin) REMOTE_HUB_ADDR((nasid), IIO_ITTE(bigwin))

/*
 * Macro which takes the widget number, and returns the
 * IO PRB address of that widget.
 * value _x is expected to be a widget number in the range
 * 0, 8 - 0xF
 */
#define IIO_IOPRB(_x)	(IIO_IOPRB_0 + ( ( (_x) < HUB_WIDGET_ID_MIN ? \
			(_x) : \
			(_x) - (HUB_WIDGET_ID_MIN-1)) << 3) )

#endif /* _ASM_SN_IO_H */

Filemanager

Name Type Size Permission Actions
sn0 Folder 0755
addrs.h File 14.41 KB 0644
agent.h File 1.13 KB 0644
arch.h File 2.08 KB 0644
fru.h File 1.45 KB 0644
gda.h File 3.17 KB 0644
hub.h File 455 B 0644
intr.h File 3.02 KB 0644
io.h File 1.83 KB 0644
ioc3.h File 24.53 KB 0644
klconfig.h File 30.02 KB 0644
kldir.h File 7.87 KB 0644
klkernvars.h File 612 B 0644
launch.h File 3.34 KB 0644
mapped_kernel.h File 1.95 KB 0644
nmi.h File 3.31 KB 0644
sn_private.h File 585 B 0644
types.h File 890 B 0644