diff options
Diffstat (limited to 'drivers/arm/tzc/tzc_common_private.h')
| -rw-r--r-- | drivers/arm/tzc/tzc_common_private.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/arm/tzc/tzc_common_private.h b/drivers/arm/tzc/tzc_common_private.h index 1d99077ad..2090944a7 100644 --- a/drivers/arm/tzc/tzc_common_private.h +++ b/drivers/arm/tzc/tzc_common_private.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2016-2021, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -90,6 +90,27 @@ } /* + * It is used to modify the filters status for a defined region. + */ +#define DEFINE_TZC_COMMON_UPDATE_FILTERS(fn_name, macro_name) \ + static inline void _tzc##fn_name##_update_filters( \ + uintptr_t base, \ + unsigned int region_no, \ + unsigned int nbfilters, \ + unsigned int filters) \ + { \ + uint32_t filters_mask = GENMASK(nbfilters - 1U, 0); \ + \ + mmio_clrsetbits_32(base + \ + TZC_REGION_OFFSET( \ + TZC_##macro_name##_REGION_SIZE, \ + region_no) + \ + TZC_##macro_name##_REGION_ATTR_0_OFFSET, \ + filters_mask << TZC_REGION_ATTR_F_EN_SHIFT, \ + filters << TZC_REGION_ATTR_F_EN_SHIFT); \ + } + +/* * It is used to program region 0 ATTRIBUTES and ACCESS register. */ #define DEFINE_TZC_COMMON_CONFIGURE_REGION0(fn_name) \ |