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| author | Jeenu Viswambharan <jeenu.viswambharan@arm.com> | 2017-09-22 08:32:10 +0100 |
|---|---|---|
| committer | Jeenu Viswambharan <jeenu.viswambharan@arm.com> | 2017-11-13 08:38:51 +0000 |
| commit | 0baec2abde8827de529f12acacd3e35031f9dd48 (patch) | |
| tree | 7d16e0ce553597c02c87d1ce348ac74c168728f4 /plat | |
| parent | 0bef0edffd7d2957704a74d37cdec91af7df39e3 (diff) | |
| download | platform_external_arm-trusted-firmware-0baec2abde8827de529f12acacd3e35031f9dd48.tar.gz platform_external_arm-trusted-firmware-0baec2abde8827de529f12acacd3e35031f9dd48.tar.bz2 platform_external_arm-trusted-firmware-0baec2abde8827de529f12acacd3e35031f9dd48.zip | |
ARM platforms: Enable SDEI
Support SDEI on ARM platforms using frameworks implemented in earlier
patches by defining and exporting SDEI events: this patch defines the
standard event 0, and a handful of shared and private dynamic events.
Change-Id: I9d3d92a92cff646b8cc55eabda78e140deaa24e1
Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
Diffstat (limited to 'plat')
| -rw-r--r-- | plat/arm/common/aarch64/arm_sdei.c | 33 | ||||
| -rw-r--r-- | plat/arm/common/arm_common.mk | 4 |
2 files changed, 37 insertions, 0 deletions
diff --git a/plat/arm/common/aarch64/arm_sdei.c b/plat/arm/common/aarch64/arm_sdei.c new file mode 100644 index 000000000..514800c3e --- /dev/null +++ b/plat/arm/common/aarch64/arm_sdei.c @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +/* SDEI configuration for ARM platforms */ + +#include <ehf.h> +#include <platform_def.h> +#include <sdei.h> + +/* Private event mappings */ +static sdei_ev_map_t arm_private_sdei[] = { + /* Event 0 */ + SDEI_DEFINE_EVENT_0(ARM_SDEI_SGI), + + /* Dynamic private events */ + SDEI_PRIVATE_EVENT(ARM_SDEI_DP_EVENT_0, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC), + SDEI_PRIVATE_EVENT(ARM_SDEI_DP_EVENT_1, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC), + SDEI_PRIVATE_EVENT(ARM_SDEI_DP_EVENT_2, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC), +}; + +/* Shared event mappings */ +static sdei_ev_map_t arm_shared_sdei[] = { + /* Dynamic shared events */ + SDEI_SHARED_EVENT(ARM_SDEI_DS_EVENT_0, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC), + SDEI_SHARED_EVENT(ARM_SDEI_DS_EVENT_1, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC), + SDEI_SHARED_EVENT(ARM_SDEI_DS_EVENT_2, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC), +}; + +/* Export ARM SDEI events */ +REGISTER_SDEI_MAP(arm_private_sdei, arm_shared_sdei); diff --git a/plat/arm/common/arm_common.mk b/plat/arm/common/arm_common.mk index a3cd9d850..17acae52f 100644 --- a/plat/arm/common/arm_common.mk +++ b/plat/arm/common/arm_common.mk @@ -188,6 +188,10 @@ ifeq (${EL3_EXCEPTION_HANDLING},1) BL31_SOURCES += plat/arm/common/aarch64/arm_ehf.c endif +ifeq (${SDEI_SUPPORT},1) +BL31_SOURCES += plat/arm/common/aarch64/arm_sdei.c +endif + ifneq (${TRUSTED_BOARD_BOOT},0) # Include common TBB sources |