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imx :hab: Add hab version command 

THe RVT data includes a major and minor version in its header
parameter. Add a new command to print this out.

Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
This commit is contained in:
Sjoerd Simons 2019-06-18 23:08:59 +02:00 committed by Stefano Babic
parent 5fba75373b
commit b4eca2d787
2 changed files with 22 additions and 0 deletions
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1
arch/arm/include/asm/mach-imx/hab.h
View File

@ -189,6 +189,7 @@ typedef void hapi_clock_init_t(void);
#define HAB_CID_ROM 0 /**< ROM Caller ID */
#define HAB_CID_UBOOT 1 /**< UBOOT Caller ID*/
#define HAB_TAG_RVT 0xDD /* ROM Vector Table */
#define HAB_CMD_HDR 0xD4 /* CSF Header */
#define HAB_CMD_WRT_DAT 0xCC /* Write Data command tag */
#define HAB_CMD_CHK_DAT 0xCF /* Check Data command tag */

21
arch/arm/mach-imx/hab.c
View File

@ -365,6 +365,21 @@ static int do_hab_failsafe(cmd_tbl_t *cmdtp, int flag, int argc,
return 0;
}
static int do_hab_version(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
struct hab_hdr *hdr = (struct hab_hdr *)HAB_RVT_BASE;
if (hdr->tag != HAB_TAG_RVT) {
printf("Unexpected header tag: %x\n", hdr->tag);
return CMD_RET_FAILURE;
}
printf("HAB version: %d.%d\n", hdr->par >> 4, hdr->par & 0xf);
return 0;
}
static int do_authenticate_image_or_failover(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
@ -421,6 +436,12 @@ U_BOOT_CMD(
"ivt_offset - hex offset of IVT in the image"
);
U_BOOT_CMD(
hab_version, 1, 0, do_hab_version,
"print HAB major/minor version",
""
);
#endif /* !defined(CONFIG_SPL_BUILD) */
/* Get CSF Header length */