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Diffstat (limited to 'roms/u-boot/arch/mips/mach-octeon/cache.c')
-rw-r--r--roms/u-boot/arch/mips/mach-octeon/cache.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/roms/u-boot/arch/mips/mach-octeon/cache.c b/roms/u-boot/arch/mips/mach-octeon/cache.c
new file mode 100644
index 000000000..f293d65da
--- /dev/null
+++ b/roms/u-boot/arch/mips/mach-octeon/cache.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Marvell International Ltd.
+ */
+
+#include <cpu_func.h>
+
+/* Octeon memory write barrier */
+#define CVMX_SYNCW asm volatile ("syncw\nsyncw\n" : : : "memory")
+
+void flush_dcache_range(ulong start_addr, ulong stop)
+{
+ /* Flush all pending writes */
+ CVMX_SYNCW;
+}
+
+void flush_cache(ulong start_addr, ulong size)
+{
+}
+
+void invalidate_dcache_range(ulong start_addr, ulong stop)
+{
+ /* Don't need to do anything for OCTEON */
+}