1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Copyright (C) 2008-2009 ST-Ericsson AB
6 * Author: Rickard Andersson <rickard.andersson@stericsson.com>
7 * Author: Linus Walleij <linus.walleij@stericsson.com>
10 #define __ASMARM_TCM_H
12 #ifndef CONFIG_HAVE_TCM
13 #error "You should not be including tcm.h unless you have a TCM!"
16 #include <linux/compiler.h>
18 /* Tag variables with this */
19 #define __tcmdata __section(".tcm.data")
20 /* Tag constants with this */
21 #define __tcmconst __section(".tcm.rodata")
22 /* Tag functions inside TCM called from outside TCM with this */
23 #define __tcmfunc __attribute__((long_call)) __section(".tcm.text") noinline
24 /* Tag function inside TCM called from inside TCM with this */
25 #define __tcmlocalfunc __section(".tcm.text")
27 void *tcm_alloc(size_t len
);
28 void tcm_free(void *addr
, size_t len
);
29 bool tcm_dtcm_present(void);
30 bool tcm_itcm_present(void);