1 /* 2 * 3 * Copyright (C) 2008-2009 ST-Ericsson AB 4 * License terms: GNU General Public License (GPL) version 2 5 * 6 * Author: Rickard Andersson <rickard.andersson@stericsson.com> 7 * Author: Linus Walleij <linus.walleij@stericsson.com> 8 * 9 */ 10 #ifndef __ASMARM_TCM_H 11 #define __ASMARM_TCM_H 12 13 #ifndef CONFIG_HAVE_TCM 14 #error "You should not be including tcm.h unless you have a TCM!" 15 #endif 16 17 #include <linux/compiler.h> 18 19 /* Tag variables with this */ 20 #define __tcmdata __section(.tcm.data) 21 /* Tag constants with this */ 22 #define __tcmconst __section(.tcm.rodata) 23 /* Tag functions inside TCM called from outside TCM with this */ 24 #define __tcmfunc __attribute__((long_call)) __section(.tcm.text) noinline 25 /* Tag function inside TCM called from inside TCM with this */ 26 #define __tcmlocalfunc __section(.tcm.text) 27 28 void *tcm_alloc(size_t len); 29 void tcm_free(void *addr, size_t len); 30 bool tcm_dtcm_present(void); 31 bool tcm_itcm_present(void); 32 33 #endif 34