25fb58e88a
Previously, all LMB marked with LMB_NOMAP (above and below ram_top) are considered as invalid entry in TLB. Since commit1a48b0be93("lmb: prohibit allocations above ram_top even from same bank") all LMB located above ram_top are now marked LMB_NOOVERWRITE and no more LMB_MAP. This area above ram_top is reserved for OPTEE and must not be cacheable, otherwise this leads to a Panic on some boards (Issue on STM32MP135F-DK). Restore previous behavior by marking invalid entry all TLB above ram_top. Fixes:1a48b0be93("lmb: prohibit allocations above ram_top even from same bank") Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com> cc: Sughosh Ganu <sughosh.ganu@linaro.org> Acked-by: Sughosh Ganu <sughosh.ganu@linaro.org>