int keymanage_efuse_init(const char *buf, int len)
{
char ver;
int ret = 0;
const char* dtbLoadAddr = getenv("dtb_mem_addr");
if (!dtbLoadAddr) {
setenv("dtb_mem_addr", simple_itoa(CONFIG_SYS_SDRAM_BASE + (16U<<20)));
}
dtbLoadAddr = (char*)simple_strtoul(dtbLoadAddr, NULL, 0);
ret = efuse_usr_api_init_dtb(dtbLoadAddr);
if (ret) {
KM_ERR("efuse init failed\n");
return __LINE__;
}
ver = unifykey_get_efuse_version();
if (ver == 0) {
KM_DBG("efuse version not cfg\n");
return 0;
}
//TODO: program the efuse version
return ret;
}
static int key_efuse_init(char *buf,unsigned int len)
{
#ifdef CONFIG_EFUSE
char ver;
int ret;
char title[] = "version";
efuseinfo_item_t info;
loff_t pos;
if(efuse_getinfo(title, &info) < 0)
return -EINVAL;
pos = info.offset;
ret = efuse_chk_written(pos, info.data_len);
if(ret < 0){
return -EINVAL;
}
if(ret > 0){
return 0;// efuse version was written
}
if(!(info.we)){
printf("%s write unsupport now. \n", title);
return -EACCES;
}
ver = unifykey_get_efuse_version();
if(ver == 0){
printf("not config efuse version\n");
return 0;
}
else{
if(efuse_write_usr((char*)&ver, 1, &pos)<0){
printf("error: efuse write fail.\n");
return -1;
}
else{
printf("%s written done.\n", info.title);
return 0;
}
}
#else
return 0;
#endif
}
