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/*====================================================================*
*
* 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 "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.
*
*--------------------------------------------------------------------*/
/*====================================================================*
*
* 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
*
*--------------------------------------------------------------------*/
#ifndef BOOTPARAMETERS1_SOURCE
#define BOOTPARAMETERS1_SOURCE
#include <stdint.h>
#include <unistd.h>
#include <memory.h>
#include <errno.h>
#include "../tools/files.h"
#include "../tools/error.h"
#include "../tools/flags.h"
#include "../plc/plc.h"
#include "../pib/pib.h"
signed BootParameters1 (struct plc * plc)
{
struct pib_header pib_header;
uint32_t offset;
if (lseek (plc->PIB.file, 0, SEEK_SET))
{
error (PLC_EXIT (plc), errno, FILE_CANTHOME, plc->PIB.name);
}
if (read (plc->PIB.file, &pib_header, sizeof (pib_header)) != sizeof (pib_header))
{
error (PLC_EXIT (plc), errno, FILE_CANTREAD, plc->PIB.name);
}
if (lseek (plc->PIB.file, 0, SEEK_SET))
{
error (PLC_EXIT (plc), errno, FILE_CANTHOME, plc->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 *)(&pib_header)) < 0x0305)
{
offset = LEGACY_PIBOFFSET;
}
else if (BE16TOH (*(uint16_t *)(&pib_header)) < 0x0500)
{
offset = INT6x00_PIBOFFSET;
}
else
{
offset = AR7x00_PIBOFFSET;
}
#endif
if (plc->hardwareID < CHIPSET_AR7400)
{
if (WriteMEM (plc, &plc->PIB, 0, offset, LE16TOH (pib_header.PIBLENGTH)))
{
return (-1);
}
return (0);
}
if (WriteExecutePIB (plc, offset, &pib_header))
{
return (-1);
}
return (0);
}
#endif
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