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-rw-r--r--arch/arm/include/asm/tcm.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/include/asm/tcm.h b/arch/arm/include/asm/tcm.h
new file mode 100644
index 000000000..d8bd8a4b0
--- /dev/null
+++ b/arch/arm/include/asm/tcm.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *
+ * Copyright (C) 2008-2009 ST-Ericsson AB
+ *
+ * Author: Rickard Andersson <rickard.andersson@stericsson.com>
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+#ifndef __ASMARM_TCM_H
+#define __ASMARM_TCM_H
+
+#ifndef CONFIG_HAVE_TCM
+#error "You should not be including tcm.h unless you have a TCM!"
+#endif
+
+#include <linux/compiler.h>
+
+/* Tag variables with this */
+#define __tcmdata __section(".tcm.data")
+/* Tag constants with this */
+#define __tcmconst __section(".tcm.rodata")
+/* Tag functions inside TCM called from outside TCM with this */
+#define __tcmfunc __attribute__((long_call)) __section(".tcm.text") noinline
+/* Tag function inside TCM called from inside TCM with this */
+#define __tcmlocalfunc __section(".tcm.text")
+
+void *tcm_alloc(size_t len);
+void tcm_free(void *addr, size_t len);
+bool tcm_dtcm_present(void);
+bool tcm_itcm_present(void);
+
+#endif