5 files changed, 9 insertions, 32 deletions
diff --git a/arch/arm/cpu/arm11/cpu.c b/arch/arm/cpu/arm11/cpu.c
index 5d4b3c2a02..06dee0fc1b 100644
--- a/arch/arm/cpu/arm11/cpu.c
+++ b/arch/arm/cpu/arm11/cpu.c
@@ -124,14 +124,6 @@ void flush_dcache_all(void)
 {
 }
 
-void invalidate_dcache_range(unsigned long start, unsigned long stop)
-{
-}
-
-void flush_dcache_range(unsigned long start, unsigned long stop)
-{
-}
-
 void flush_cache(unsigned long start, unsigned long size)
 {
 }
diff --git a/arch/arm/cpu/arm926ejs/cache.c b/arch/arm/cpu/arm926ejs/cache.c
index 8d7873c9af..99d1a139b0 100644
--- a/arch/arm/cpu/arm926ejs/cache.c
+++ b/arch/arm/cpu/arm926ejs/cache.c
@@ -83,14 +83,6 @@ void flush_dcache_all(void)
 {
 }
 
-void invalidate_dcache_range(unsigned long start, unsigned long stop)
-{
-}
-
-void flush_dcache_range(unsigned long start, unsigned long stop)
-{
-}
-
 void flush_cache(unsigned long start, unsigned long size)
 {
 }
diff --git a/arch/arm/cpu/armv7/cache_v7.c b/arch/arm/cpu/armv7/cache_v7.c
index e8ee875981..4f0e4062a2 100644
--- a/arch/arm/cpu/armv7/cache_v7.c
+++ b/arch/arm/cpu/armv7/cache_v7.c
@@ -304,14 +304,6 @@ void flush_dcache_all(void)
 {
 }
 
-void invalidate_dcache_range(unsigned long start, unsigned long stop)
-{
-}
-
-void flush_dcache_range(unsigned long start, unsigned long stop)
-{
-}
-
 void arm_init_before_mmu(void)
 {
 }
diff --git a/arch/arm/cpu/armv8/cache_v8.c b/arch/arm/cpu/armv8/cache_v8.c
index c22f7b6a51..cd160c4b63 100644
--- a/arch/arm/cpu/armv8/cache_v8.c
+++ b/arch/arm/cpu/armv8/cache_v8.c
@@ -180,14 +180,6 @@ void flush_dcache_all(void)
 {
 }
 
-void invalidate_dcache_range(unsigned long start, unsigned long stop)
-{
-}
-
-void flush_dcache_range(unsigned long start, unsigned long stop)
-{
-}
-
 void dcache_enable(void)
 {
 }
diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c
index 74cfde637c..bc48f53f4c 100644
--- a/arch/arm/lib/cache.c
+++ b/arch/arm/lib/cache.c
@@ -53,6 +53,15 @@ __weak void enable_caches(void)
 	puts("WARNING: Caches not enabled\n");
 }
 
+__weak void invalidate_dcache_range(unsigned long start, unsigned long stop)
+{
+	/* An empty stub, real implementation should be in platform code */
+}
+__weak void flush_dcache_range(unsigned long start, unsigned long stop)
+{
+	/* An empty stub, real implementation should be in platform code */
+}
+
 #ifdef CONFIG_SYS_NONCACHED_MEMORY
 /*
  * Reserve one MMU section worth of address space below the malloc() area that