1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 *
4 * Copyright (C) 2008-2009 ST-Ericsson AB
5 *
6 * Author: Rickard Andersson <rickard.andersson@stericsson.com>
7 * Author: Linus Walleij <linus.walleij@stericsson.com>
8 */
9 #ifndef __ASMARM_TCM_H
10 #define __ASMARM_TCM_H
11
12 #ifdef CONFIG_HAVE_TCM
13
14 #include <linux/compiler.h>
15
16 /* Tag variables with this */
17 #define __tcmdata __section(".tcm.data")
18 /* Tag constants with this */
19 #define __tcmconst __section(".tcm.rodata")
20 /* Tag functions inside TCM called from outside TCM with this */
21 #define __tcmfunc __attribute__((long_call)) __section(".tcm.text") noinline
22 /* Tag function inside TCM called from inside TCM with this */
23 #define __tcmlocalfunc __section(".tcm.text")
24
25 void *tcm_alloc(size_t len);
26 void tcm_free(void *addr, size_t len);
27 bool tcm_dtcm_present(void);
28 bool tcm_itcm_present(void);
29
30 void __init tcm_init(void);
31 #else
32 /* No TCM support, just blank inlines to be optimized out */
33 static inline void tcm_init(void)
34 {
35 }
36 #endif
37 #endif
38
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