SoftwareDesign
/
csu3_am335x


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162
							<?xml version='1.0' encoding='iso-8859-1'?>
<!doctype html public '-//W3C//DTD XHTML 1.0 Strict//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'>
<html xmlns='http://www.w3c.org/1999/xhtml' lang='en-us'>
	<head>
		<title>
			BootParameters1.c
			</title>
		<meta http-equiv='content-type' content='text/html;iso-8859-1'/>
		<meta name='generator' content='motley-tools 1.9.4 13:40:33 Feb 18 2015'/>
		<meta name='author' content='cmaier@cmassoc.net'/>
		<meta name='robots' content='noindex,nofollow'/>
		<link href='toolkit.css' rel='stylesheet' type='text/css'/>
		</head>
	<body>
		<div class='headerlink'>
			[<a href='BootFirmware2.c.html' title=' BootFirmware2.c '>PREV</a>]
			[<a href='toolkit.html' title=' Index '>HOME</a>]
			[<a href='BootParameters2.c.html' title=' BootParameters2.c '>NEXT</a>]
			</div>
<pre>
/*====================================================================*
 *
 *   Copyright (c) 2013 Qualcomm Atheros, Inc.
 *
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or 
 *   without modification, are permitted (subject to the limitations 
 *   in the disclaimer below) provided that the following conditions 
 *   are met:
 *
 *   * Redistributions of source code must retain the above copyright 
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * 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.
 *
 *   * Neither the name of Qualcomm Atheros nor the names of 
 *     its contributors may be used to endorse or promote products 
 *     derived from this software without specific prior written 
 *     permission.
 *
 *   NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE 
 *   GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE 
 *   COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; 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.  
 *
 *--------------------------------------------------------------------*/

/*====================================================================*
 *
 *   signed BootParameters1 (struct plc * plc)
 *
 *   pib.h
 *
 *   write the parameter information block to SDRAM on a thunderbolt/
 *   lightning powerline device;
 *
 *   The PIB is written to different SDRAM locations depending on the
 *   chipset used; we use PIB major/minor version to determine where
 *   to write the PIB but may switch to using the hardware platform
 *   code derived from the VS_SW_VER message;
 *
 *
 *   Contributor(s):
 *      Charles Maier &lt;cmaier@qca.qualcomm.com&gt;
 *
 *--------------------------------------------------------------------*/

#ifndef BOOTPARAMETERS1_SOURCE
#define BOOTPARAMETERS1_SOURCE

#include &lt;stdint.h&gt;
#include &lt;unistd.h&gt;
#include &lt;memory.h&gt;
#include &lt;errno.h&gt;

#include &quot;../tools/files.h&quot;
#include &quot;../tools/error.h&quot;
#include &quot;../tools/flags.h&quot;
#include &quot;../plc/plc.h&quot;
#include &quot;../pib/pib.h&quot;

signed BootParameters1 (struct plc * plc)

{
	struct pib_header pib_header;
	uint32_t offset;
	if (lseek (plc-&gt;PIB.file, 0, SEEK_SET))
	{
		error (PLC_EXIT (plc), errno, FILE_CANTHOME, plc-&gt;PIB.name);
	}
	if (read (plc-&gt;PIB.file, &amp;pib_header, sizeof (pib_header)) != sizeof (pib_header))
	{
		error (PLC_EXIT (plc), errno, FILE_CANTREAD, plc-&gt;PIB.name);
	}
	if (lseek (plc-&gt;PIB.file, 0, SEEK_SET))
	{
		error (PLC_EXIT (plc), errno, FILE_CANTHOME, plc-&gt;PIB.name);
	}

#if 1

/*
 *   this code is a fix to accommodate PIB relocation in memory; it is not needed when
 *   the PIB is stored in an NVM file since the memory address is recorded in the image
 *   header;
 */

	if (BE16TOH (*(uint16_t *)(&amp;pib_header)) &lt; 0x0305)
	{
		offset = LEGACY_PIBOFFSET;
	}
	else if (BE16TOH (*(uint16_t *)(&amp;pib_header)) &lt; 0x0500)
	{
		offset = INT6x00_PIBOFFSET;
	}
	else
	{
		offset = AR7x00_PIBOFFSET;
	}

#endif

	if (plc-&gt;hardwareID &lt; CHIPSET_AR7400)
	{
		if (WriteMEM (plc, &amp;plc-&gt;PIB, 0, offset, LE16TOH (pib_header.PIBLENGTH)))
		{
			return (-1);
		}
		return (0);
	}
	if (WriteExecutePIB (plc, offset, &amp;pib_header))
	{
		return (-1);
	}
	return (0);
}

#endif


</pre>
		<div class='footerlink'>
			[<a href='BootFirmware2.c.html' title=' BootFirmware2.c '>PREV</a>]
			[<a href='toolkit.html' title=' Index '>HOME</a>]
			[<a href='BootParameters2.c.html' title=' BootParameters2.c '>NEXT</a>]
			</div>
		</body>
	</html>