diff options
Diffstat (limited to 'arch/arm/include/asm/imx-common')
-rw-r--r-- | arch/arm/include/asm/imx-common/rdc-sema.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/include/asm/imx-common/rdc-sema.h b/arch/arm/include/asm/imx-common/rdc-sema.h new file mode 100644 index 0000000..01ffab2 --- /dev/null +++ b/arch/arm/include/asm/imx-common/rdc-sema.h @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __RDC_SEMA_H__ +#define __RDC_SEMA_H__ + +typedef u32 rdc_peri_cfg_t; +typedef u32 rdc_ma_cfg_t; + +#define RDC_PERI_MASK 0xFF +#define RDC_PERI_SHIFT 0 + +#define RDC_DOMAIN_SHIFT_BASE 16 +#define RDC_DOMAIN_MASK 0xFF0000 +#define RDC_DOMAIN_SHIFT(x) (RDC_DOMAIN_SHIFT_BASE + ((x << 1))) +#define RDC_DOMAIN(x) ((rdc_peri_cfg_t)(0x3 << RDC_DOMAIN_SHIFT(x))) + +#define RDC_MASTER_SHIFT 8 +#define RDC_MASTER_MASK 0xFF00 +#define RDC_MASTER_CFG(master_id, domain_id) (rdc_ma_cfg_t)((master_id << 8) | (domain_id << RDC_DOMAIN_SHIFT_BASE)) + +int imx_rdc_check_permission(int per_id); +int imx_rdc_sema_lock(int per_id); +int imx_rdc_sema_unlock(int per_id); +int imx_rdc_setup_peri(rdc_peri_cfg_t p); +int imx_rdc_setup_peripherals(rdc_peri_cfg_t const *peripherals_list, + unsigned count); +int imx_rdc_setup_ma(rdc_ma_cfg_t p); +int imx_rdc_setup_masters(rdc_ma_cfg_t const *masters_list, + unsigned count); + +#endif /* __RDC_SEMA_H__*/ |