[PATCH 2/2] configs: am62: move stack and heap to HSM RAM

Tom Rini trini at konsulko.com
Wed Mar 22 19:03:11 CET 2023


On Thu, Mar 02, 2023 at 07:40:47PM +0530, kamlesh at ti.com wrote:

> From: Kamlesh Gurudasani <kamlesh at ti.com>
> 
> On high security devices, ROM enables firewalls to protect the OCSRAM
> region access during bootup. Only after TIFS has started (and had
> time to disable the OCSRAM firewall region) will we have write access to
> the region.
> 
> This means we will need to move the stack & heap from OCSRAM to HSM RAM
> and reduce the size of BSS and the SPL to allow it to fit properly.
> 
> To protect us from overflowing our ~256k of HSM SRAM, add limits and
> check during the wakeup SPL build.
> 
> Signed-off-by: Kamlesh Gurudasani <kamlesh at ti.com>

Applied to u-boot/master, thanks!

-- 
Tom
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