common: fdt_support: Add support for setting usable memory

Add support for setting the linux,usable-memory in the memory
node of device tree.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/fdt_support.h b/include/fdt_support.h
index ae5e8a3ef6..beacb847f4 100644
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -42,6 +42,7 @@ void do_fixup_by_compat_u32(void *fdt, const char *compat,
 			    const char *prop, u32 val, int create);
 int fdt_fixup_memory(void *blob, u64 start, u64 size);
 int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks);
+int fdt_set_usable_memory(void *blob, u64 start[], u64 size[], int banks);
 void fdt_fixup_ethernet(void *fdt);
 int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
 			 const void *val, int len, int create);