csu3_am335x/EVSE/GPL/plc-utils.LNX.2.1.20/source/plc/NVRAMInfo.c

/*====================================================================*
	Copyright (c) 2013,2019 Qualcomm Technologies, Inc.
	All Rights Reserved.
	Confidential and Proprietary - Qualcomm Technologies, Inc.
	******************************************************************
	2013 Qualcomm Atheros, Inc.
 *--------------------------------------------------------------------*/

/*====================================================================*
 *
 *   signed NVRAMInfo (struct plc * plc);
 *
 *   plc.h
 *
 *   This plugin for program plc requests a device NVRAM parameter
 *   block using a VS_GET_NVM message; the information is displayed
 *   and can be used to determine the flash memory characteristics
 *   before downloading firmware;
 *
 *   Contributor(s):
 *      Charles Maier <cmaier@qca.qualcomm.com>
 *		Kalaivani Somasundaram <kalaivan@qti.qualcomm.com>
 *
 *--------------------------------------------------------------------*/

#ifndef NVRAMINFO_SOURCE
#define NVRAMINFO_SOURCE

#include <stdint.h>
#include <memory.h>

#include "../plc/plc.h"
#include "../tools/error.h"
#include "../tools/memory.h"
#include "../tools/symbol.h"
#include "../ram/nvram.h"

signed NVRAMInfo (struct plc * plc)

{
	struct channel * channel = (struct channel *) (plc->channel);
	struct message * message = (struct message *) (plc->message);

#ifndef __GNUC__
#pragma pack (push,1)
#endif

	struct __packed vs_get_nvm_request
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
	}
	* request = (struct vs_get_nvm_request *) (message);
	struct __packed vs_get_nvm_confirm
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint8_t MSTATUS;
		struct config_nvram config_nvram;
	}
	* confirm = (struct vs_get_nvm_confirm *) (message);

#ifndef __GNUC__
#pragma pack (pop)
#endif

	struct config_nvram * config_nvram = (struct config_nvram *) (& confirm->config_nvram);
	Request (plc, "Fetch NVRAM Configuration");
	memset (message, 0, sizeof (* message));
	EthernetHeader (& request->ethernet, channel->peer, channel->host, channel->type);
	QualcommHeader (& request->qualcomm, 0, (VS_GET_NVM | MMTYPE_REQ));
	plc->packetsize = (ETHER_MIN_LEN - ETHER_CRC_LEN);
	if (SendMME (plc) <= 0)
	{
		error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
		return (-1);
	}
	while (ReadMME (plc, 0, (VS_GET_NVM | MMTYPE_CNF)) > 0)
	{
		if (confirm->MSTATUS)
		{
			Failure (plc, PLC_WONTDOIT);
			continue;
		}
		Display (plc, "TYPE=0x%02X (%s) PAGE=0x%04X (%d) BLOCK=0x%04X (%d) SIZE=0x%04X (%d)", LE32TOH (config_nvram->NVRAMTYPE), NVRAMName (LE32TOH (config_nvram->NVRAMTYPE)), LE32TOH (config_nvram->NVRAMPAGE), LE32TOH (config_nvram->NVRAMPAGE), LE32TOH (config_nvram->NVRAMBLOCK), LE32TOH (config_nvram->NVRAMBLOCK), LE32TOH (config_nvram->NVRAMSIZE), LE32TOH (config_nvram->NVRAMSIZE));
	}
	return (0);
}

signed IsFlashExists (struct plc * plc)
{
	struct channel * channel = (struct channel *) (plc->channel);
	struct message * message = (struct message *) (plc->message);

#ifndef __GNUC__
#pragma pack (push,1)
#endif

	struct __packed vs_get_nvm_request
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
	}
	* request = (struct vs_get_nvm_request *) (message);
	struct __packed vs_get_nvm_confirm
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint8_t MSTATUS;
		struct config_nvram config_nvram;
	}
	* confirm = (struct vs_get_nvm_confirm *) (message);

#ifndef __GNUC__
#pragma pack (pop)
#endif

	memset (message, 0, sizeof (* message));
	EthernetHeader (& request->ethernet, channel->peer, channel->host, channel->type);
	QualcommHeader (& request->qualcomm, 0, (VS_GET_NVM | MMTYPE_REQ));
	plc->packetsize = (ETHER_MIN_LEN - ETHER_CRC_LEN);
	if (SendMME (plc) <= 0)
	{
		error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
		return (-1);
	}
	while (ReadMME (plc, 0, (VS_GET_NVM | MMTYPE_CNF)) > 0)
	{
		if (confirm->MSTATUS == 0x00)
		{
			return (1);
		}
	}
	return (0);
}

#endif