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 25 void *tcm_alloc(size_t len); 26 void tcm_free(void *addr, size_t len); 27 bool tcm_dtcm_present(void); 28 bool tcm_itcm_present(void); 29 30 void __init tcm_init(void); 31 #else 32 /* No TCM support, just blank inlines to be optimized out */ 33 static inline void tcm_init(void) 34 { 35 } 36 #endif 37 #endif 38