tcm.h (925B)
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#ifndef CONFIG_HAVE_TCM 13#error "You should not be including tcm.h unless you have a TCM!" 14#endif 15 16#include <linux/compiler.h> 17 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") 26 27void *tcm_alloc(size_t len); 28void tcm_free(void *addr, size_t len); 29bool tcm_dtcm_present(void); 30bool tcm_itcm_present(void); 31 32#endif