u-boot/drivers/net/npe/IxEthDBUtil.c

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/**
* @file ethUtil.c
*
* @brief Utility functions
*
* @par
* IXP400 SW Release version 2.0
*
* -- Copyright Notice --
*
* @par
* Copyright 2001-2005, Intel Corporation.
* All rights reserved.
*
* @par
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* @par
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @par
* -- End of Copyright Notice --
*/
#include "IxFeatureCtrl.h"
#include "IxEthDB_p.h"
IX_ETH_DB_PUBLIC
IxEthDBStatus ixEthDBSingleEthNpeCheck(IxEthDBPortId portID)
{
/* If not IXP42X A0 stepping, proceed to check for existence of coprocessors */
if ((IX_FEATURE_CTRL_SILICON_TYPE_A0 !=
(ixFeatureCtrlProductIdRead() & IX_FEATURE_CTRL_SILICON_STEPPING_MASK))
|| (IX_FEATURE_CTRL_DEVICE_TYPE_IXP42X != ixFeatureCtrlDeviceRead ()))
{
if ((portID == 0) &&
(ixFeatureCtrlComponentCheck(IX_FEATURECTRL_ETH0) ==
IX_FEATURE_CTRL_COMPONENT_DISABLED))
{
return IX_ETH_DB_FAIL;
}
if ((portID == 1) &&
(ixFeatureCtrlComponentCheck(IX_FEATURECTRL_ETH1) ==
IX_FEATURE_CTRL_COMPONENT_DISABLED))
{
return IX_ETH_DB_FAIL;
}
if ((portID == 2) &&
(ixFeatureCtrlComponentCheck(IX_FEATURECTRL_NPEA_ETH) ==
IX_FEATURE_CTRL_COMPONENT_DISABLED))
{
return IX_ETH_DB_FAIL;
}
}
return IX_ETH_DB_SUCCESS;
}
IX_ETH_DB_PUBLIC
BOOL ixEthDBCheckSingleBitValue(UINT32 value)
{
#if (CPU != SIMSPARCSOLARIS) && !defined (__wince)
UINT32 shift;
/* use the count-leading-zeros XScale instruction */
__asm__ ("clz %0, %1\n" : "=r" (shift) : "r" (value));
return ((value << shift) == 0x80000000UL);
#else
while (value != 0)
{
if (value == 1) return TRUE;
else if ((value & 1) == 1) return FALSE;
value >>= 1;
}
return FALSE;
#endif
}
const char *mac2string(const unsigned char *mac)
{
static char str[19];
if (mac == NULL)
{
return NULL;
}
sprintf(str, "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
return str;
}