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 38