1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright (C) 2008-2009 ST-Ericsson AB 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Author: Rickard Andersson <rickard.andersson@stericsson.com> 7*4882a593Smuzhiyun * Author: Linus Walleij <linus.walleij@stericsson.com> 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun #ifndef __ASMARM_TCM_H 10*4882a593Smuzhiyun #define __ASMARM_TCM_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #ifndef CONFIG_HAVE_TCM 13*4882a593Smuzhiyun #error "You should not be including tcm.h unless you have a TCM!" 14*4882a593Smuzhiyun #endif 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #include <linux/compiler.h> 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun /* Tag variables with this */ 19*4882a593Smuzhiyun #define __tcmdata __section(".tcm.data") 20*4882a593Smuzhiyun /* Tag constants with this */ 21*4882a593Smuzhiyun #define __tcmconst __section(".tcm.rodata") 22*4882a593Smuzhiyun /* Tag functions inside TCM called from outside TCM with this */ 23*4882a593Smuzhiyun #define __tcmfunc __attribute__((long_call)) __section(".tcm.text") noinline 24*4882a593Smuzhiyun /* Tag function inside TCM called from inside TCM with this */ 25*4882a593Smuzhiyun #define __tcmlocalfunc __section(".tcm.text") 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun void *tcm_alloc(size_t len); 28*4882a593Smuzhiyun void tcm_free(void *addr, size_t len); 29*4882a593Smuzhiyun bool tcm_dtcm_present(void); 30*4882a593Smuzhiyun bool tcm_itcm_present(void); 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #endif 33