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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 | |
| 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>
| -rw-r--r-- | include/plat/arm/common/arm_def.h | 15 | ||||
| -rw-r--r-- | plat/arm/common/aarch64/arm_sdei.c | 33 | ||||
| -rw-r--r-- | plat/arm/common/arm_common.mk | 4 |
3 files changed, 51 insertions, 1 deletions
diff --git a/include/plat/arm/common/arm_def.h b/include/plat/arm/common/arm_def.h index 5177b06ec..b8955afcc 100644 --- a/include/plat/arm/common/arm_def.h +++ b/include/plat/arm/common/arm_def.h @@ -202,7 +202,7 @@ GIC_INTR_CFG_EDGE) #define ARM_G0_IRQ_PROPS(grp) \ - INTR_PROP_DESC(ARM_IRQ_SEC_SGI_0, GIC_HIGHEST_SEC_PRIORITY, grp, \ + INTR_PROP_DESC(ARM_IRQ_SEC_SGI_0, PLAT_SDEI_NORMAL_PRI, grp, \ GIC_INTR_CFG_EDGE), \ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_6, GIC_HIGHEST_SEC_PRIORITY, grp, \ GIC_INTR_CFG_EDGE) @@ -461,4 +461,17 @@ /* ARM platforms use 3 upper bits of secure interrupt priority */ #define ARM_PRI_BITS 3 +/* SGI used for SDEI signalling */ +#define ARM_SDEI_SGI ARM_IRQ_SEC_SGI_0 + +/* ARM SDEI dynamic private event numbers */ +#define ARM_SDEI_DP_EVENT_0 1000 +#define ARM_SDEI_DP_EVENT_1 1001 +#define ARM_SDEI_DP_EVENT_2 1002 + +/* ARM SDEI dynamic shared event numbers */ +#define ARM_SDEI_DS_EVENT_0 2000 +#define ARM_SDEI_DS_EVENT_1 2001 +#define ARM_SDEI_DS_EVENT_2 2002 + #endif /* __ARM_DEF_H__ */ 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 |