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-rw-r--r--arch/arm/include/asm/system.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index ce552944b7..5fe83699f4 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -628,7 +628,18 @@ void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size,
enum dcache_option option);
#ifdef CONFIG_SYS_NONCACHED_MEMORY
-void noncached_init(void);
+/**
+ * noncached_init() - Initialize non-cached memory region
+ *
+ * Initialize non-cached memory area. This memory region will be typically
+ * located right below the malloc() area and mapped uncached in the MMU.
+ *
+ * It is called during the generic post-relocation init sequence.
+ *
+ * Return: 0 if OK
+ */
+int noncached_init(void);
+
phys_addr_t noncached_alloc(size_t size, size_t align);
#endif /* CONFIG_SYS_NONCACHED_MEMORY */