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configs: am62a: move stack and heap to HSM RAM

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Texas Instruments has begun enabling security setting on the SoCs they
produce to instruct ROM and TIFS to begin protecting the Security
Management Subsystem (SMS) from other binaries we load into the chip by
default.

One way ROM does this is by enabling firewalls to protect the OCSRAM
region it's using 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.

Signed-off-by: Bryan Brattlof <bb@ti.com>
This commit is contained in:
Bryan Brattlof 2022-12-23 19:15:22 -06:00 committed by Tom Rini
parent d12561211d
commit 940b7128c9
1 changed files with 1 additions and 1 deletions
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configs/am62ax_evm_r5_defconfig
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@ -19,7 +19,7 @@ CONFIG_SPL_SIZE_LIMIT_PROVIDE_STACK=0x3500
CONFIG_SPL_FS_FAT=y
CONFIG_SPL_LIBDISK_SUPPORT=y
CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x7000ffff
CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x43c3a7f0
CONFIG_SPL_LOAD_FIT=y
CONFIG_SPL_LOAD_FIT_ADDRESS=0x80080000
CONFIG_SPL_FIT_IMAGE_POST_PROCESS=y