diff options
Diffstat (limited to 'board/mpl/common/common_util.c')
| -rw-r--r-- | board/mpl/common/common_util.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/board/mpl/common/common_util.c b/board/mpl/common/common_util.c index 48ffbee506..aa2ba6f04c 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(©str[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(©str[i],CONFIG_ISO_STRING,sizeof(CONFIG_ISO_STRING)-1)!=0) { + printf("Wrong Firmware Image: %s\n",©str[i]); + return -1; + } + start = 0 - size; for(i=info->sector_count-1;i>0;i--) { info->protect[i] = 0; /* unprotect this sector */ |