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
25void *tcm_alloc(size_t len);
26void tcm_free(void *addr, size_t len);
27bool tcm_dtcm_present(void);
28bool tcm_itcm_present(void);
29
30void __init tcm_init(void);
31#else
32/* No TCM support, just blank inlines to be optimized out */
33static inline void tcm_init(void)
34{
35}
36#endif
37#endif

 
 1/*
 2 *
 3 * Copyright (C) 2008-2009 ST-Ericsson AB
 4 * License terms: GNU General Public License (GPL) version 2
 5 *
 6 * Author: Rickard Andersson <rickard.andersson@stericsson.com>
 7 * Author: Linus Walleij <linus.walleij@stericsson.com>
 8 *
 9 */
10#ifndef __ASMARM_TCM_H
11#define __ASMARM_TCM_H
12
13#ifndef CONFIG_HAVE_TCM
14#error "You should not be including tcm.h unless you have a TCM!"
15#endif
16
17#include <linux/compiler.h>
18
19/* Tag variables with this */
20#define __tcmdata __section(.tcm.data)
21/* Tag constants with this */
22#define __tcmconst __section(.tcm.rodata)
23/* Tag functions inside TCM called from outside TCM with this */
24#define __tcmfunc __attribute__((long_call)) __section(.tcm.text) noinline
25/* Tag function inside TCM called from inside TCM  with this */
26#define __tcmlocalfunc __section(.tcm.text)
27
28void *tcm_alloc(size_t len);
29void tcm_free(void *addr, size_t len);
30bool tcm_dtcm_present(void);
31bool tcm_itcm_present(void);
32
 
 
 
 
 
 
 
33#endif