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arm: imx: hab: Add hab_failsafe console command

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hab_failsafe when called puts the part into BootROM recovery mode.
This will allow u-boot scripts to script the dropping down into recovery
mode.

=> hab_failsafe

Shows the i.MX7 appear as "hiddev0,hidraw5: USB HID v1.10 Device [Freescale
SemiConductor Inc  SP Blank ULT1] " in a Linux dmesg thus allowing download
of a new image via the BootROM USB download protocol routine.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Sven Ebenfeld <sven.ebenfeld@gmail.com>
Cc: George McCollister <george.mccollister@gmail.com>
Cc: Breno Matheus Lima <brenomatheus@gmail.com>
Tested-by: Breno Lima <breno.lima@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
This commit is contained in:
Bryan O'Donoghue 2018-01-12 12:40:19 +00:00 • committed by Stefano Babic
parent 317956e82c
commit 9587b0d611
1 changed files with 21 additions and 0 deletions
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21
arch/arm/mach-imx/hab.c
View file

@ -414,6 +414,22 @@ static int do_authenticate_image(cmd_tbl_t *cmdtp, int flag, int argc,
return rcode;
}
static int do_hab_failsafe(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
hab_rvt_failsafe_t *hab_rvt_failsafe;
if (argc != 1) {
cmd_usage(cmdtp);
return 1;
}
hab_rvt_failsafe = hab_rvt_failsafe_p;
hab_rvt_failsafe();
return 0;
}
U_BOOT_CMD(
hab_status, CONFIG_SYS_MAXARGS, 1, do_hab_status,
"display HAB status",
@ -429,6 +445,11 @@ U_BOOT_CMD(
"ivt_offset - hex offset of IVT in the image"
);
U_BOOT_CMD(
hab_failsafe, CONFIG_SYS_MAXARGS, 1, do_hab_failsafe,
"run BootROM failsafe routine",
""
);
#endif /* !defined(CONFIG_SPL_BUILD) */