cmd_fsl_caam.c
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/*
* Copyright (C) 2012-2016 Freescale Semiconductor, Inc.
* Copyright 2018 NXP
*
*
* 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.
*/
#include <common.h>
#include <command.h>
#include <fsl_caam.h>
static int do_caam(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int ret, i;
if (argc < 2)
return CMD_RET_USAGE;
if (strcmp(argv[1], "genblob") == 0) {
if (argc != 5)
return CMD_RET_USAGE;
void *data_addr;
void *blob_addr;
int size;
data_addr = (void *)simple_strtoul(argv[2], NULL, 16);
blob_addr = (void *)simple_strtoul(argv[3], NULL, 16);
size = simple_strtoul(argv[4], NULL, 10);
if (size <= 48)
return CMD_RET_USAGE;
caam_open();
ret = caam_gen_blob((uint32_t)data_addr, (uint32_t)blob_addr, (uint32_t)size);
if(ret != SUCCESS){
printf("Error during blob encap operation: 0x%x\n", ret);
return 0;
}
/* Print the generated DEK blob */
printf("DEK blob is available at 0x%08X and equals:\n",(unsigned int)blob_addr);
for(i=0;i<size;i++)
printf("%02X ",((uint8_t *)blob_addr)[i]);
printf("\n\n");
return 1;
}
else if (strcmp(argv[1], "decap") == 0){
if (argc != 5)
return CMD_RET_USAGE;
void *blob_addr;
void *data_addr;
int size;
blob_addr = (void *)simple_strtoul(argv[2], NULL, 16);
data_addr = (void *)simple_strtoul(argv[3], NULL, 16);
size = simple_strtoul(argv[4], NULL, 10);
if (size <= 48)
return CMD_RET_USAGE;
caam_open();
ret = caam_decap_blob((uint32_t)(data_addr), (uint32_t)(blob_addr), (uint32_t)size);
if(ret != SUCCESS)
printf("Error during blob decap operation: 0x%x\n", ret);
else {
printf("Success, blob decap at SM PAGE1 original data is:\n");
int i = 0;
for (i = 0; i < size; i++) {
printf("0x%x ",*(unsigned char*)(data_addr+i));
if (i % 16 == 0)
printf("\n");
}
printf("\n");
}
return 1;
}
return CMD_RET_USAGE;
}
U_BOOT_CMD(
caam, 5, 1, do_caam,
"Freescale i.MX CAAM command",
"caam genblob data_addr blob_addr data_size\n \
caam decap blobaddr data_addr data_size\n \
\n "
);