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MLK-18942-2 imx8: ahab: Add ahab_status command 

Add new u-boot command "ahab_status" to display seco events
and current lifecycle. It parses the seco event only for authenticating
container command, so that user can know the authentication failure.

Signed-off-by: Ye Li <ye.li@nxp.com>
Acked-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Ye Li 2019-01-14 21:34:23 -08:00
parent 30eb1b2443
commit cf2acc5b7c
1 changed files with 113 additions and 0 deletions
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113
arch/arm/mach-imx/imx8/ahab.c
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@ -129,9 +129,122 @@ static int do_authenticate(cmd_tbl_t *cmdtp, int flag, int argc, char * const ar
return CMD_RET_SUCCESS;
}
static void display_life_cycle(uint16_t lc)
{
printf("Lifecycle: 0x%04X, ", lc);
switch (lc) {
case 0x1:
printf("Pristine\n\n");
break;
case 0x2:
printf("Fab\n\n");
break;
case 0x8:
printf("Open\n\n");
break;
case 0x20:
printf("NXP closed\n\n");
break;
case 0x80:
printf("OEM closed\n\n");
break;
case 0x100:
printf("Partial field return\n\n");
break;
case 0x200:
printf("Full field return\n\n");
break;
case 0x400:
printf("No return\n\n");
break;
default:
printf("Unknown\n\n");
break;
}
}
#define AHAB_AUTH_CONTAINER_REQ 0x87
#define AHAB_NO_AUTHENTICATION_IND 0xee
#define AHAB_BAD_KEY_HASH_IND 0xfa
#define AHAB_INVALID_KEY_IND 0xf9
#define AHAB_BAD_SIGNATURE_IND 0xf0
#define AHAB_BAD_HASH_IND 0xf1
static void display_ahab_auth_event(uint32_t event)
{
uint8_t cmd = (event >> 16) & 0xff;
uint8_t resp_ind =(event >> 8) & 0xff;
if (cmd != AHAB_AUTH_CONTAINER_REQ)
return;
printf("\tCMD = AHAB_AUTH_CONTAINER_REQ (0x%02X)\n", cmd);
printf("\tIND = ");
switch (resp_ind) {
case AHAB_NO_AUTHENTICATION_IND:
printf("AHAB_NO_AUTHENTICATION_IND (0x%02X)\n\n", resp_ind);
break;
case AHAB_BAD_KEY_HASH_IND:
printf("AHAB_BAD_KEY_HASH_IND (0x%02X)\n\n", resp_ind);
break;
case AHAB_INVALID_KEY_IND:
printf("AHAB_INVALID_KEY_IND (0x%02X)\n\n", resp_ind);
break;
case AHAB_BAD_SIGNATURE_IND:
printf("AHAB_BAD_SIGNATURE_IND (0x%02X)\n\n", resp_ind);
break;
case AHAB_BAD_HASH_IND:
printf("AHAB_BAD_HASH_IND (0x%02X)\n\n", resp_ind);
break;
default:
printf("Unknown Indicator (0x%02X)\n\n", resp_ind);
break;
}
}
static int do_ahab_status(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
sc_err_t err;
uint8_t idx = 0U;
uint32_t event;
uint16_t lc;
sc_ipc_t ipcHndl = gd->arch.ipc_channel_handle;
err = sc_misc_seco_chip_info(ipcHndl, &lc, NULL, NULL, NULL);
if (err != SC_ERR_NONE) {
printf("Error in get lifecycle\n");
return -EIO;
}
display_life_cycle(lc);
err = sc_misc_seco_get_event(ipcHndl, idx, &event);
while (err == SC_ERR_NONE) {
printf ("SECO Event[%u] = 0x%08X\n", idx, event);
display_ahab_auth_event(event);
idx++;
err = sc_misc_seco_get_event(ipcHndl, idx, &event);
}
if (idx == 0)
printf("No SECO Events Found!\n\n");
return 0;
}
U_BOOT_CMD(
auth_cntr, CONFIG_SYS_MAXARGS, 1, do_authenticate,
"autenticate OS container via AHAB",
"addr\n"
"addr - OS container hex address\n"
);
U_BOOT_CMD(
ahab_status, CONFIG_SYS_MAXARGS, 1, do_ahab_status,
"display AHAB lifecycle and events from seco",
""
);