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Enable full Corstone‑1000 Cortex‑A320 DSU‑120T platform support in TF‑M: - Reserve a 4 MiB Host SRAM region at 0x0240_0000 for the Cortex‑A320 normal world and open it in the CVM firewall (region 2), gated by `CORSTONE1000_CORTEX_A320``. - Introduce a DSU‑120T Power-Policy Unit driver plus a `CORSTONE1000_DSU_120T` CMake option to power on the Cortex‑A320 host cluster with proper secure-enclave firewall and memory-map setup. - Add a CMake platform define that auto‑activates when the `cortexa320` machine feature is present, injecting DSU‑120T‑specific compile definitions. Signed-off-by: Harsimran Singh Tungal <harsimransingh.tungal@arm.com> Signed-off-by: Jon Mason <jon.mason@arm.com>
See ../README.md