Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 37 insertions, 0 deletions

diff --git a/arch/arm/include/asm/tcm.h b/arch/arm/include/asm/tcm.h
new file mode 100644
index 0000000000..e1f7dca86a
--- /dev/null
+++ b/arch/arm/include/asm/tcm.h
@@ -0,0 +1,37 @@
+/* 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
+
+#ifdef CONFIG_HAVE_TCM
+
+#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);
+
+void __init tcm_init(void);
+#else
+/* No TCM support, just blank inlines to be optimized out */
+static inline void tcm_init(void)
+{
+}
+#endif
+#endif