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Add bootscript support to esbc_validate.

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1. Default environment will be used for secure boot flow
 which can't be edited or saved.
2. Command for secure boot is predefined in the default
 environment which will run on autoboot (and autoboot is
 the only option allowed in case of secure boot) and it
 looks like this:
 #define CONFIG_SECBOOT \
 "setenv bs_hdraddr 0xe8e00000;"                 \
 "esbc_validate $bs_hdraddr;"                    \
 "source $img_addr;"                             \
 "esbc_halt;"
 #endif
3. Boot Script can contain esbc_validate commands and bootm command.
 Uboot source command used in default secure boot command will
 run the bootscript.
4. Command esbc_halt added to ensure either bootm executes
 after validation of images or core should just spin.

Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com>
Signed-off-by: Gaurav Rana <gaurav.rana@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
gaurav rana
2015-03-10 14:08:50 +05:30
committed by York Sun
parent 997c67d98b
commit 98cb0efde8
5 changed files with 150 additions and 0 deletions
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16
board/freescale/common/cmd_esbc_validate.c
View File

@@ -8,6 +8,16 @@
#include <command.h>
#include <fsl_validate.h>
static int do_esbc_halt(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
printf("Core is entering spin loop.\n");
loop:
goto loop;
return 0;
}
static int do_esbc_validate(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
@@ -32,3 +42,9 @@ U_BOOT_CMD(
"Validates signature on a given image using RSA verification",
esbc_validate_help_text
);
U_BOOT_CMD(
esbc_halt, 1, 0, do_esbc_halt,
"Put the core in spin loop ",
""
);