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-rw-r--r--src/arch/x86/Makefile.mk1
-rw-r--r--src/arch/x86/dma.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/src/arch/x86/Makefile.mk b/src/arch/x86/Makefile.mk
index 04a0e58dbf..19945465bc 100644
--- a/src/arch/x86/Makefile.mk
+++ b/src/arch/x86/Makefile.mk
@@ -261,6 +261,7 @@ ramstage-y += ebda.c
ramstage-y += exception.c
ramstage-y += idt.S
ramstage-$(CONFIG_IOAPIC) += ioapic.c
+ramstage-y += dma.c
ramstage-y += memcpy.c
ramstage-$(CONFIG_ARCH_RAMSTAGE_X86_32) += memmove_32.c
ramstage-$(CONFIG_ARCH_RAMSTAGE_X86_64) += memmove_64.S
diff --git a/src/arch/x86/dma.c b/src/arch/x86/dma.c
new file mode 100644
index 0000000000..b39ac2ce30
--- /dev/null
+++ b/src/arch/x86/dma.c
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <stdlib.h>
+
+int dma_coherent(const void *ptr)
+{
+ return 1;
+}