boot/common/src/uboot/downloader/cmd_set.c

/*******************************************************************************
 * Copyright (C) 2016, ZIXC Corporation.
 *
 * File Name:cmd_set.c
 * File Mark:
 * Description:
 * Others:
 * Version:       1.0
 * Author:        zangxiaofeng
 * Date:          2013-6-8
 * History 1:
 *     Date:
 *     Version:
 *     Author:
 *     Modification:
 * History 2:
  ********************************************************************************/
/****************************************************************************
* 	                                     Include files
****************************************************************************/
#include <common.h>
#include <command.h>
#include <net.h>
#include <jffs2/load_kernel.h>
#include <nand.h>
#include <linux/mtd/spi-nor.h>
#include <linux/mtd/nor_spifc.h>

#include "downloader_config.h"
#include "downloader_nand.h"
#include "downloader_serial.h"
#include "errno.h"
#include "boot_mode.h"


#define ZLOAD_PARTITION_SIZE	0x3000


/****************************************************************************
*							Global Function Prototypes
****************************************************************************/
extern partition_table_t * g_partition_table;
int set_partitions(unsigned int size);
partition_entry_t * get_partitions(const char *partname, partition_table_t *table);

partition_table_t * g_partition_table_dl = NULL;

extern char *tsp_console_buffer;
extern struct fsl_qspi spi_nor_flash;


/*******************************************************************************
 * Function:do_set
 * Description:
 * Parameters:
 *	 Input:
 *
 *	 Output:
 *
 * Returns:
 *
 *
 * Others:
 ********************************************************************************/
int do_set(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
    
    char *par = NULL;
	unsigned int size = 0;
	unsigned int ret = 0;
	
	if(argc<3)
    {
        return cmd_usage(cmdtp);
    }
	par = argv[1];
	size = (unsigned int)simple_strtoul (argv[2], NULL, 16);

	if(strcmp(par,"partitions") == 0)
	{
	    sprintf(tsp_console_buffer,"OKAY RECV_TABLES");
        downloader_serial_write(tsp_console_buffer, strlen(tsp_console_buffer)+1);
	    ret = set_partitions(size);
		return ret;
	}
	else
	{
	    sprintf(tsp_console_buffer,"FAIL COMMAND ERROR");
        downloader_serial_write(tsp_console_buffer, strlen(tsp_console_buffer)+1);
		return -1;
	}
	

}
U_BOOT_CMD(
	set, CONFIG_SYS_MAXARGS, 0, do_set,
	"set : set [module] [size]",
	""
);

static unsigned int gen_crc(char *pInput, int InputLen)
{

	char pOutput[4];
	unsigned int *pcrc = (unsigned int *)pOutput;
	int OutputLen = 4;
	char *check = pOutput;
	int i, j;
	memcpy(check, pInput, OutputLen);
	pInput += OutputLen;

	for(i = 0; i < InputLen; i += OutputLen)
	{
		for(j = 0; j < OutputLen; j++)
		{
			check[j] ^= pInput[i + j];
		}
	}

	return *pcrc;

}

/*******************************************************************************
 * Function:set_partitions
 * Description:
 * Parameters:
 *	 Input:
 *
 *	 Output:
 *
 * Returns:
 *
 *
 * Others:
 ********************************************************************************/
 int set_partitions(unsigned int size)
{
	partition_entry_t *part_nvr = NULL;
	partition_entry_t *part_nvr_dl = NULL;
	partition_table_t *table_dl = NULL;
	char *table_new = (char*)(CONFIG_USB_DMA_BUF_ADDR); /*USB DMA BUFFER*/
	uint32_t crc_cal = 0;

	/* UE´ÓPC»ñÈ¡·ÖÇø±í */
	downloader_serial_read_actuallen((char *)table_new, size); 
	table_dl = (partition_table_t *)table_new;
	
	g_partition_table_dl = kzalloc(4096, GFP_KERNEL);
	if(g_partition_table_dl == NULL)
	{
		printf("set_partitions kzalloc failed.\n");
		return -1;
	}
	/*·ÖÇø±ícrcУÑé*/
    crc_cal = gen_crc(((unsigned char*)table_dl) + 32, table_dl->entrys * sizeof(partition_entry_t));

	memcpy(g_partition_table_dl,table_dl,size);
	if((table_dl->magic != PARTITION_MAGIC) || crc_cal != table_dl->crc)
	{
	    sprintf(tsp_console_buffer,"FAIL INVALID_PARTITION_TABLE");
        downloader_serial_write(tsp_console_buffer, strlen(tsp_console_buffer)+1);
		return -1;
	}

	/* ·ÖÇø±íÆ¥Åä»òûÓзÖÇø±í */
	if(memcmp( g_partition_table, table_dl, sizeof(partition_table_t))==0
		|| g_partition_table->magic != PARTITION_MAGIC)   
	{
	    g_partition_table = g_partition_table_dl;
		sprintf(tsp_console_buffer,"OKAY");
        downloader_serial_write(tsp_console_buffer, strlen(tsp_console_buffer)+1);
		return 0;
	}
	else
	{
		/* UE´ÓPC»ñÈ¡NV·ÖÇøÐÅÏ¢ */
	    part_nvr_dl = get_partitions("nvrofs", table_dl);    
		if(part_nvr_dl == NULL)
		{
			printf("pc part nvrofs get failed.\n");
			return -1;
		}

		/* ´ÓUEµÄNAND¶ÁÈ¡NV·ÖÇøÐÅÏ¢ */		
	    part_nvr = get_partitions("nvrofs", g_partition_table);
		if(part_nvr == NULL)
		{
			printf("part_nvrofs get failed.\n");
		    sprintf(tsp_console_buffer,"FAIL UNACCEPTABLE_PARTITION_CHANGE");
            downloader_serial_write(tsp_console_buffer, strlen(tsp_console_buffer)+1);
			return -1;	
		}
		
		if((part_nvr->part_offset == part_nvr_dl->part_offset)
			&&(part_nvr->part_size == part_nvr_dl->part_size))
		{
            sprintf(tsp_console_buffer,"FAIL ACCEPTABLE_PARTITION_CHANGE");
            downloader_serial_write(tsp_console_buffer, strlen(tsp_console_buffer)+1);
		    return 0;
		}
		else
		{
		    sprintf(tsp_console_buffer,"FAIL UNACCEPTABLE_PARTITION_CHANGE");
            downloader_serial_write(tsp_console_buffer, strlen(tsp_console_buffer)+1);
		    return -1;
		}
	}
}

/*******************************************************************************
 * Function:get_partitions
 * Description:
 * Parameters:
 *	 Input:
 *
 *	 Output:
 *
 * Returns:
 *
 *
 * Others:
 ********************************************************************************/
 partition_entry_t * get_partitions(const char *partname, partition_table_t *table)
{
    
    partition_entry_t *entry = &table->table[0];
    uint32_t entry_nums = table->entrys;
    while( entry_nums-- )
    {
        if ( strcmp((const char *)entry->part_name,partname) == 0 )
            return entry;
        entry++;
    }
    return NULL;
}

/*******************************************************************************
 * Function:set_nand_dlflag 
 * Description: open or close USB DL PORT, based on nand
 *                   dl on :open DL port ; dl off :close DL port
 * Parameters:
 *	 Input:
 *
 *	 Output:
 *
 * Returns:
 *
 *
 * Others:
 ********************************************************************************/
 int set_nand_dlflag( char * sign)
{   
	char value = 0;
	int bootflag = 0;
	int times = 0;
	int i =0;
	int ret = 0;
	struct erase_info ei;
 	nand_info_t *nand = &nand_info[nand_curr_device];
	
	u_char *buffer = kzalloc(6*(nand->writesize + nand->oobsize),GFP_KERNEL);
	u_char *p_buffer = buffer;
    
	if( buffer == NULL )
        return 1;
	
	times = 12*1024/nand->writesize;
	for(i=0;i<times;i++)
	{
        nand_read_page_with_ecc(nand, 
								((loff_t)i*nand->writesize), 
								0,
								p_buffer);
		p_buffer += nand->writesize;
	}

    if (strcmp((const char *)sign,"on") == 0)
	{
        bootflag = 0x00;
        memset(&value, bootflag, 1);
	}
    else if (strcmp((const char *)sign,"off") == 0)
    {
        bootflag = 0x5a;
        memset(&value, bootflag, 1);
    }
	memcpy(buffer+2, &value, 1);
	
	memset(&ei, 0, sizeof(struct erase_info));
	ei.mtd	= nand;
	ei.addr = (uint64_t)(0);
	ei.len	= (uint64_t)nand->erasesize;	
	ret = nand->erase(nand, &ei);  /*²Á³ýµÚÒ»¿é*/

	p_buffer = buffer;

	for(i=0;i<times;i++)
	{
        nand_write_page_with_ecc(nand, ((loff_t)i*nand->writesize), p_buffer);
		p_buffer += nand->writesize;
	}

    sprintf(tsp_console_buffer,"DL OKAY");
    downloader_serial_write(tsp_console_buffer, strlen(tsp_console_buffer)+1);
		
	kfree(buffer);

	return 0;

}


/*******************************************************************************
 * Function:set_nor_dlflag 
 * Description: open or close USB DL PORT, based on nand
 *                   dl on :open DL port ; dl off :close DL port
 * Parameters:
 *	 Input:
 *
 *	 Output:
 *
 * Returns:
 *
 *
 * Others:
 ********************************************************************************/
 int set_nor_dlflag(char *sign)
{   
	int ret = 0;
	char value = 0;
	int bootflag = 0;
	uint32_t load_addr = 0x0;
	uint32_t size_read = ZLOAD_PARTITION_SIZE;
	uint32_t size_write = ZLOAD_PARTITION_SIZE;
	struct fsl_qspi *nor = &spi_nor_flash;	
	u_char *buffer = kzalloc(ZLOAD_PARTITION_SIZE,GFP_KERNEL);
	
	if(buffer == NULL)
	{
		return -1;
	}
        
	ret = nand_read(&(nor->nor[0].mtd), load_addr, &size_read, buffer);
	if(ret != 0)
	{
		printf("nand_read error.\n");
		return -1;
	}

    if (strcmp((const char *)sign,"on") == 0)
	{
        bootflag = 0x00;
        memset(&value, bootflag, 1);
	}
    else if (strcmp((const char *)sign,"off") == 0)
    {
        bootflag = 0x5a;
        memset(&value, bootflag, 1);
    }
	memcpy(buffer+2, &value, 1);

    ret = nand_erase(&(nor->nor[0].mtd), load_addr, nor->nor[0].mtd.erasesize);
	if(ret != 0)
	{
		printf("nand_erase error.\n");
		return -1;
	}

    ret = nand_write(&(nor->nor[0].mtd), load_addr, &size_write, buffer);
	if(ret != 0)
	{
		printf("nand_write error.\n");
		return -1;
	}

    sprintf(tsp_console_buffer,"DL OKAY");
    downloader_serial_write(tsp_console_buffer, strlen(tsp_console_buffer)+1);
		
	kfree(buffer);

	return 0;
}


/*******************************************************************************
 * Function:do_dlflag
 * Description: open or close USB DL PORT, 
 *                   dl on :open DL port ; dl off :close DL port
 * Parameters:
 *	 Input:
 *
 *	 Output:
 *
 * Returns:
 *
 *
 * Others:
 ********************************************************************************/
int do_dlflag(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{   
    int ret = 0;
	u_char *sign = NULL;
	int type = 0;
 	
	if(argc<2)
    {
        return cmd_usage(cmdtp);
    }
	sign = argv[1];	
	type = read_boot_flashtype();

	if(type == IF_TYPE_NAND || type == IF_TYPE_SPI_NAND)
	{
        ret = set_nand_dlflag(sign);
	}
	else if(type == IF_TYPE_NOR)
	{
		ret = set_nor_dlflag(sign);
	}

	if(ret != 0)
	{
		return -1;
	}
		
	return 0;

}
U_BOOT_CMD(
	dl, CONFIG_SYS_MAXARGS, 0, do_dlflag,
	"dl : dl [sign]",
	""
);