162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * 462306a36Sopenharmony_ci * Copyright (C) 2008-2009 ST-Ericsson AB 562306a36Sopenharmony_ci * 662306a36Sopenharmony_ci * Author: Rickard Andersson <rickard.andersson@stericsson.com> 762306a36Sopenharmony_ci * Author: Linus Walleij <linus.walleij@stericsson.com> 862306a36Sopenharmony_ci */ 962306a36Sopenharmony_ci#ifndef __ASMARM_TCM_H 1062306a36Sopenharmony_ci#define __ASMARM_TCM_H 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#ifdef CONFIG_HAVE_TCM 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci#include <linux/compiler.h> 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci/* Tag variables with this */ 1762306a36Sopenharmony_ci#define __tcmdata __section(".tcm.data") 1862306a36Sopenharmony_ci/* Tag constants with this */ 1962306a36Sopenharmony_ci#define __tcmconst __section(".tcm.rodata") 2062306a36Sopenharmony_ci/* Tag functions inside TCM called from outside TCM with this */ 2162306a36Sopenharmony_ci#define __tcmfunc __attribute__((long_call)) __section(".tcm.text") noinline 2262306a36Sopenharmony_ci/* Tag function inside TCM called from inside TCM with this */ 2362306a36Sopenharmony_ci#define __tcmlocalfunc __section(".tcm.text") 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_civoid *tcm_alloc(size_t len); 2662306a36Sopenharmony_civoid tcm_free(void *addr, size_t len); 2762306a36Sopenharmony_cibool tcm_dtcm_present(void); 2862306a36Sopenharmony_cibool tcm_itcm_present(void); 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_civoid __init tcm_init(void); 3162306a36Sopenharmony_ci#else 3262306a36Sopenharmony_ci/* No TCM support, just blank inlines to be optimized out */ 3362306a36Sopenharmony_cistatic inline void tcm_init(void) 3462306a36Sopenharmony_ci{ 3562306a36Sopenharmony_ci} 3662306a36Sopenharmony_ci#endif 3762306a36Sopenharmony_ci#endif 38