[PATCH 0/2] add support for hs bootflows on am62 devices

Kamlesh Gurudasani kamlesh at ti.com
Thu Mar 16 11:35:06 CET 2023

Bryan Brattlof <bb at ti.com> writes:

> Hi Kamlesh!
> On March  2, 2023 thus sayeth kamlesh at ti.com:
>> From: Kamlesh Gurudasani <kamlesh at ti.com>
>> Add support for high security bootflow on am62 devices.
>> On HS devices, ROM and TIFS will protect the RAM regions with
>> firewalls. This means the wakeup domain's SPL will need to move the
>> stack and heap to HSM RAM to ensure it stays within its allotted
>> memory regions.
>> Kamlesh Gurudasani (2):
>>   arm: mach-k3: am62: move scratch board area to HSM RAM
>>   configs: am62: move stack and heap to HSM RAM
>>  arch/arm/mach-k3/include/mach/am62_hardware.h |  3 +--
>>  configs/am62x_evm_r5_defconfig                | 16 +++++++++++-----
>>  2 files changed, 12 insertions(+), 7 deletions(-)
> Thanks for getting this fixed! Does TIFS drop the On Chip SRAM firewall 
> completely once it's started? or only for the r5?
> Reviewed-by: Bryan Brattlof <bb at ti.com>
> ~Bryan
Hi Tom,

Could you please review and merge this patches as these are bug fixes to
get HS devices working.



More information about the U-Boot mailing list