arm64: add support for reserved memory defined by device tree
Enable reserved memory initialization from device tree.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 27bbcfc..6abf154 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -43,6 +43,7 @@
select NO_BOOTMEM
select OF
select OF_EARLY_FLATTREE
+ select OF_RESERVED_MEM
select PERF_USE_VMALLOC
select POWER_RESET
select POWER_SUPPLY
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index d0b4c2e..3fb8d50 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -160,6 +160,7 @@
memblock_reserve(base, size);
}
+ early_init_fdt_scan_reserved_mem();
dma_contiguous_reserve(0);
memblock_allow_resize();