diff options
Diffstat (limited to 'arch/arm/include/asm/tcm.h')
-rw-r--r-- | arch/arm/include/asm/tcm.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/include/asm/tcm.h b/arch/arm/include/asm/tcm.h new file mode 100644 index 000000000..d8bd8a4b0 --- /dev/null +++ b/arch/arm/include/asm/tcm.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * + * Copyright (C) 2008-2009 ST-Ericsson AB + * + * Author: Rickard Andersson <rickard.andersson@stericsson.com> + * Author: Linus Walleij <linus.walleij@stericsson.com> + */ +#ifndef __ASMARM_TCM_H +#define __ASMARM_TCM_H + +#ifndef CONFIG_HAVE_TCM +#error "You should not be including tcm.h unless you have a TCM!" +#endif + +#include <linux/compiler.h> + +/* Tag variables with this */ +#define __tcmdata __section(".tcm.data") +/* Tag constants with this */ +#define __tcmconst __section(".tcm.rodata") +/* Tag functions inside TCM called from outside TCM with this */ +#define __tcmfunc __attribute__((long_call)) __section(".tcm.text") noinline +/* Tag function inside TCM called from inside TCM with this */ +#define __tcmlocalfunc __section(".tcm.text") + +void *tcm_alloc(size_t len); +void tcm_free(void *addr, size_t len); +bool tcm_dtcm_present(void); +bool tcm_itcm_present(void); + +#endif |