diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/Makefile | 1 | ||||
| -rw-r--r-- | common/cmd_fsl_caam.c | 108 |
2 files changed, 109 insertions, 0 deletions
diff --git a/common/Makefile b/common/Makefile index 86225f1..47d5e15 100644 --- a/common/Makefile +++ b/common/Makefile @@ -52,6 +52,7 @@ obj-$(CONFIG_ENV_IS_IN_REMOTE) += env_remote.o obj-$(CONFIG_ENV_IS_IN_UBI) += env_ubi.o obj-$(CONFIG_ENV_IS_NOWHERE) += env_nowhere.o +obj-$(CONFIG_CMD_FSL_CAAM_KB) += cmd_fsl_caam.o obj-$(CONFIG_CMD_BEDBUG) += bedbug.o obj-$(CONFIG_$(SPL_)OF_LIBFDT) += fdt_support.o diff --git a/common/cmd_fsl_caam.c b/common/cmd_fsl_caam.c new file mode 100644 index 0000000..1cd7af7 --- /dev/null +++ b/common/cmd_fsl_caam.c @@ -0,0 +1,108 @@ +/* + * Copyright (C) 2012-2016 Freescale Semiconductor, Inc. + * + * + * 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 = (void *)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 decap operation: 0x%d\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 = (void *)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%d\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 " + ); |