leodiskinit.c
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/**************************************************************************
* *
* Copyright (C) 1995, Silicon Graphics, Inc. *
* *
* These coded instructions, statements, and computer programs contain *
* unpublished proprietary information of Silicon Graphics, Inc., and *
* are protected by Federal copyright law. They may not be disclosed *
* to third parties or copied or duplicated in any form, in whole or *
* in part, without the prior written consent of Silicon Graphics, Inc. *
* *
**************************************************************************/
#include "osint.h"
#include "piint.h"
#include "rcp.h"
OSPiHandle __LeoDiskHandle;
OSPiHandle *__osDiskHandle;
/*
* Name: osLeoDiskInit
*
* Description:
* Inititlaize Leo Disk.
*
*/
OSPiHandle *
osLeoDiskInit(void)
{
u32 saveMask;
/* Fill basic information */
__LeoDiskHandle.type = DEVICE_TYPE_64DD;
__LeoDiskHandle.baseAddress = PHYS_TO_K1(PI_DOM2_ADDR1);
/* Get Domain parameters */
__LeoDiskHandle.latency = (u8)0x00000003;
__LeoDiskHandle.pulse = (u8)0x00000006;
__LeoDiskHandle.pageSize = (u8)0x00000006;
__LeoDiskHandle.relDuration = (u8)0x00000002;
__LeoDiskHandle.domain = PI_DOMAIN2;
/* Fill speed and transferInfo to zero */
__LeoDiskHandle.speed = 0;
bzero(&(__LeoDiskHandle.transferInfo),
sizeof(__LeoDiskHandle.transferInfo));
/*
* Put the LeoDiskHandle onto PiTable
*/
saveMask = __osDisableInt();
__LeoDiskHandle.next = __osPiTable;
__osPiTable = &__LeoDiskHandle;
__osDiskHandle = &__LeoDiskHandle;
__osRestoreInt(saveMask);
return(&__LeoDiskHandle);
} /* osLeoDiskInit */