From f3e0de60a6dfa2bedd99bda257841a22b5153f42 Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Wed, 4 Jun 2003 15:05:30 +0000
Subject: * Patch by Denis Peter, 04 June 2003:   add support for the MIP405T
 board

---
 board/mpl/common/common_util.c | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

(limited to 'board/mpl/common/common_util.c')

diff --git a/board/mpl/common/common_util.c b/board/mpl/common/common_util.c
index 48ffbee..aa2ba6f 100644
--- a/board/mpl/common/common_util.c
+++ b/board/mpl/common/common_util.c
@@ -59,6 +59,7 @@ int mpl_prg(unsigned long src,unsigned long size)
 	flash_info_t *info;
 	int i,rc;
 #if defined(CONFIG_PIP405) || defined(CONFIG_MIP405)
+	char *copystr = (char *)src;
 	unsigned long *magic = (unsigned long *)src;
 #endif
 
@@ -69,8 +70,25 @@ int mpl_prg(unsigned long src,unsigned long size)
 		printf("Bad Magic number\n");
 		return -1;
 	}
-
-  	start = 0 - size;
+	/* some more checks before we delete the Flash... */
+	/* Checking the ISO_STRING prevents to program a
+	 * wrong Firmware Image into the flash.
+	 */
+	i=4; /* skip Magic number */
+	while(1) {
+		if(strncmp(&copystr[i],"MEV-",4)==0)
+			break;
+		if(i++>=0x100) {
+			printf("Firmware Image for unknown Target\n");
+			return -1;
+		}
+	}
+	/* we have the ISO STRING, check */
+	if(strncmp(&copystr[i],CONFIG_ISO_STRING,sizeof(CONFIG_ISO_STRING)-1)!=0) {
+		printf("Wrong Firmware Image: %s\n",&copystr[i]);
+		return -1;
+	}
+	start = 0 - size;
 	for(i=info->sector_count-1;i>0;i--)
 	{
 		info->protect[i] = 0; /* unprotect this sector */
-- 
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