cmd_net.c

source code of armboot for s3c4510

/*
 * (C) Copyright 2000
 * Wolfgang Denk, DENX Software Engineering, [e-mail].
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

/*
 * Boot support
 */
#include <armboot.h>
#include <command.h>
#include <cmd_net.h>
#include <net.h>

#if (CONFIG_COMMANDS & CFG_CMD_NET)

# if (CONFIG_COMMANDS & CFG_CMD_AUTOSCRIPT)
# include <cmd_autoscript.h>
# endif

extern int do_bootm (cmd_tbl_t *, bd_t *, int, int, char *[]);

static int netboot_common (int, cmd_tbl_t *, bd_t *, int , char *[]);

#if 0
int do_bootp (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
{
	return netboot_common (BOOTP, cmdtp, bd, argc, argv);
}

int do_rarpb (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
{
	return netboot_common (RARP, cmdtp, bd, argc, argv);
}
#endif

int do_tftpb (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
{
	return netboot_common (TFTP, cmdtp, bd, argc, argv);
}
// 20070618 yifan added*
extern int do_flwrite(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[]);
int do_TftpUpdate (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
{
	int i, result;
	//char * cArg[3] = {"flwrite", "80020000", "0"};
	//change by hill 20070912
	char * cArg[3] = {"flwrite", "1020000", "0"};
	char *local_args[2];
	int  iFlshArg;
	
	result = netboot_common (TFTP, cmdtp, bd, argc, argv);
	
	// prepare flash
	if ( argc == 5 && strcmp("loader", argv[4]) == 0 ) {
		if ( !result ) {
			//protect off all
			extern flash_info_t flash_info[];	/* info for FLASH chips */
		    	printf ("%sProtect Flash Bank # %ld\n", 0 ? "" : "Un-", 1);
	    
			for (i=0; i < flash_info[0].sector_count; ++i)
			{
				flash_info[0].protect[i] = 0;
			}
			/*
			for (bank=1; bank<=CFG_MAX_FLASH_BANKS; ++bank)
			{
				info = &flash_info[bank-1];
				if (info->flash_id == FLASH_UNKNOWN)
				{
					continue;
				}
				printf ("%sProtect Flash Bank # %ld\n",
					p ? "" : "Un-", bank);
	    
				for (i=0; i<info->sector_count; ++i)
				{
					info->protect[i] = p;
				}
			}*/
			
			// Setting flwrite argument
			//strcpy ( cArg[1], "80000000");
			//change by hill 20070912
			strcpy ( cArg[1], "1000000");
			strcpy ( cArg[2], "0");
			iFlshArg = 3;
		}
		
	}
	else { 
		iFlshArg = 1;
	}
	
	//flwrite 80020000
	//flwrite 1020000 by hill 20070912
	if ( !result ) {
		do_flwrite( cmdtp, bd, flag, iFlshArg, cArg );
	}
	
	//saveenv
	if ( !result )
		result = board_env_save(bd, bd->bi_env, sizeof(env_t));

	if ( !result && argc == 4 ) {
		local_args[0] = argv[0];
		local_args[1] = NULL;
		//strcpy ( local_args[1], "1020000");
		do_bootm (cmdtp, bd, 0, 1, local_args);
	}
	
	return result;
}
// 20070618 yifan added&

#if (CONFIG_COMMANDS & CFG_CMD_DHCP)
int do_dhcp (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
{
	return netboot_common(DHCP, cmdtp, bd, argc, argv);
}
#endif	/* CFG_CMD_DHCP */

static void netboot_update_env(void)
{
    char tmp[20] ;

    if (NetOurGatewayIP) 
	{
		ip_to_string (NetOurGatewayIP, tmp);
		setenv(Net_bd, "gatewayip", tmp);
    }

    if (NetOurSubnetMask) 
	{
		ip_to_string (NetOurSubnetMask, tmp);
		setenv(Net_bd, "netmask", tmp);
    }

    if (NetOurHostName[0])
		setenv(Net_bd, "hostname", NetOurHostName);

    if (NetOurRootPath[0])
		setenv(Net_bd, "rootpath", NetOurRootPath);

    if (NetOurIP) 
	{
		ip_to_string (NetOurIP, tmp);
#ifdef VIADBG
		setenv(Net_bd, "ipaddr", tmp);
#else
		setenv(Net_bd, "ipaddr\n", tmp);
#endif
    }

    if (NetServerIP) 
	{
		ip_to_string (NetServerIP, tmp);
#ifdef VIADBG
		setenv(Net_bd, "serverip", tmp);
#else
		setenv(Net_bd, "serverip\n", tmp);
#endif
    }

    if (NetOurDNSIP) 
	{
		ip_to_string (NetOurDNSIP, tmp);
		setenv(Net_bd, "dnsip", tmp);
    }
}

static int
netboot_common (int proto, cmd_tbl_t *cmdtp, bd_t *bd, int argc, char *argv[])
{
	char *s;
	int rc = 0;
   
	memset(BootFile, 0x00, sizeof(BootFile));
	switch (argc) 
	{
		case 1:
			strcpy(BootFile, CONFIG_BOOTFILE);
			load_addr = CFG_LOAD_ADDR;
			break;

		case 2:	
			/* only one arg - accept two forms:
			 * just load address, or just boot file name.
			 * The latter form must be written "filename" here.
			 */
			if (argv[1][0] == '"') 
			{	
				/* just boot filename */
				copy_filename (BootFile, argv[1], sizeof(BootFile));
				printf("CFG_LOAD_ADDR: %x\n", CFG_LOAD_ADDR);
				load_addr = CFG_LOAD_ADDR;
				printf("load_addr: %x\n", (unsigned int)load_addr);
			} 
			else 
			{	/* load address	*/
				load_addr = simple_strtoul(argv[1], NULL, 16);
				strcpy(BootFile, CONFIG_BOOTFILE);
			}
			break;

		case 3:	
			load_addr = simple_strtoul(argv[1], NULL, 16);
			copy_filename (BootFile, argv[2], sizeof(BootFile));
			break;

		case 4:
			load_addr = simple_strtoul("400000", NULL, 16);
			copy_filename (BootFile, argv[1], sizeof(BootFile));
			setenv(bd, "serverip", argv[2]);
			setenv(bd, "ipaddr", argv[3]);
			break;
		
		case 5:
			load_addr = simple_strtoul("400000", NULL, 16);
			copy_filename (BootFile, argv[1], sizeof(BootFile));
			setenv(bd, "serverip", argv[2]);
			setenv(bd, "ipaddr", argv[3]);
			break;

		default: 
			printf ("Usage:\n%s\n", cmdtp->usage);
			return 1;
	}

	printf("BootFile [%s], Load addr [0x%lx]\n", BootFile, load_addr);
	if (NetLoop(bd, proto) == 0)
		return 0;

  	Net_bd = bd;
	/* NetLoop ok, update environment */
	netboot_update_env();
	/* Loading ok, check if we should attempt an auto-start */
	if (((s = getenv(Net_bd, "autostart")) != NULL) && (strcmp(s,"yes") == 0)) {
		char *local_args[2];
		local_args[0] = argv[0];
		local_args[1] = NULL;

		printf ("Automatic boot of image at addr 0x%08lX ...\n",
			load_addr);

		rc = do_bootm (cmdtp, bd, 0, 1, local_args);
	}

#ifdef CONFIG_AUTOSCRIPT
	if (rc == 0 && 
	    ((s = getenv(Net_bd, "autoscript")) != NULL) && (strcmp(s,"yes") == 0)) {
		printf("Running autoscript at addr 0x%08lX ...\n", load_addr);
		rc = autoscript (bd, load_addr);
	}
#endif

	return rc;
}

#endif	/* CFG_CMD_NET */