diff --git a/include/arch/aarch32/arch_helpers.h b/include/arch/aarch32/arch_helpers.h
index 0330989..95d056f 100644
--- a/include/arch/aarch32/arch_helpers.h
+++ b/include/arch/aarch32/arch_helpers.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2016-2021, ARM Limited and Contributors. All rights reserved.
+ * Portions copyright (c) 2021-2022, ProvenRun S.A.S. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -282,6 +283,7 @@
 DEFINE_COPROCR_RW_FUNCS(icc_eoir1_el1, ICC_EOIR1)
 DEFINE_COPROCR_RW_FUNCS_64(icc_sgi0r_el1, ICC_SGI0R_EL1_64)
 DEFINE_COPROCR_WRITE_FUNC_64(icc_sgi1r, ICC_SGI1R_EL1_64)
+DEFINE_COPROCR_WRITE_FUNC_64(icc_asgi1r, ICC_ASGI1R_EL1_64)
 
 DEFINE_COPROCR_RW_FUNCS(sdcr, SDCR)
 DEFINE_COPROCR_RW_FUNCS(hdcr, HDCR)
@@ -402,6 +404,8 @@
 #define read_ctr_el0()		read_ctr()
 
 #define write_icc_sgi0r_el1(_v)	write64_icc_sgi0r_el1(_v)
+#define write_icc_sgi1r(_v)	write64_icc_sgi1r(_v)
+#define write_icc_asgi1r(_v)	write64_icc_asgi1r(_v)
 
 #define read_daif()		read_cpsr()
 #define write_daif(flags)	write_cpsr(flags)
diff --git a/include/arch/aarch64/arch.h b/include/arch/aarch64/arch.h
index 3a2a032..8d3e31d 100644
--- a/include/arch/aarch64/arch.h
+++ b/include/arch/aarch64/arch.h
@@ -79,6 +79,7 @@
  ******************************************************************************/
 #define ICC_IGRPEN1_EL1		S3_0_C12_C12_7
 #define ICC_SGI1R		S3_0_C12_C11_5
+#define ICC_ASGI1R		S3_0_C12_C11_6
 #define ICC_SRE_EL1		S3_0_C12_C12_5
 #define ICC_SRE_EL2		S3_4_C12_C9_5
 #define ICC_SRE_EL3		S3_6_C12_C12_5
diff --git a/include/arch/aarch64/arch_helpers.h b/include/arch/aarch64/arch_helpers.h
index 10b0a0b..8c61554 100644
--- a/include/arch/aarch64/arch_helpers.h
+++ b/include/arch/aarch64/arch_helpers.h
@@ -492,6 +492,7 @@
 DEFINE_RENAME_SYSREG_WRITE_FUNC(icc_eoir1_el1, ICC_EOIR1_EL1)
 DEFINE_RENAME_SYSREG_WRITE_FUNC(icc_sgi0r_el1, ICC_SGI0R_EL1)
 DEFINE_RENAME_SYSREG_RW_FUNCS(icc_sgi1r, ICC_SGI1R)
+DEFINE_RENAME_SYSREG_RW_FUNCS(icc_asgi1r, ICC_ASGI1R)
 
 DEFINE_RENAME_SYSREG_READ_FUNC(amcfgr_el0, AMCFGR_EL0)
 DEFINE_RENAME_SYSREG_READ_FUNC(amcgcr_el0, AMCGCR_EL0)
diff --git a/include/drivers/arm/gicv2.h b/include/drivers/arm/gicv2.h
index b960194..cfc168d 100644
--- a/include/drivers/arm/gicv2.h
+++ b/include/drivers/arm/gicv2.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Portions copyright (c) 2021-2022, ProvenRun S.A.S. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -50,13 +51,15 @@
 #define SGIR_TGTLSTFLT_MASK	U(0x3)
 #define SGIR_TGTLST_SHIFT	16
 #define SGIR_TGTLST_MASK	U(0xff)
+#define SGIR_NSATT		(U(0x1) << 16)
 #define SGIR_INTID_MASK		ULL(0xf)
 
 #define SGIR_TGT_SPECIFIC	U(0)
 
-#define GICV2_SGIR_VALUE(tgt_lst_flt, tgt, intid) \
+#define GICV2_SGIR_VALUE(tgt_lst_flt, tgt, nsatt, intid) \
 	((((tgt_lst_flt) & SGIR_TGTLSTFLT_MASK) << SGIR_TGTLSTFLT_SHIFT) | \
 	 (((tgt) & SGIR_TGTLST_MASK) << SGIR_TGTLST_SHIFT) | \
+	 ((nsatt) ? SGIR_NSATT : U(0)) | \
 	 ((intid) & SGIR_INTID_MASK))
 
 /*******************************************************************************
@@ -127,6 +130,7 @@
 #ifndef __ASSEMBLER__
 
 #include <cdefs.h>
+#include <stdbool.h>
 #include <stdint.h>
 
 #include <common/interrupt_props.h>
@@ -185,7 +189,7 @@
 void gicv2_disable_interrupt(unsigned int id);
 void gicv2_set_interrupt_priority(unsigned int id, unsigned int priority);
 void gicv2_set_interrupt_type(unsigned int id, unsigned int type);
-void gicv2_raise_sgi(int sgi_num, int proc_num);
+void gicv2_raise_sgi(int sgi_num, bool ns, int proc_num);
 void gicv2_set_spi_routing(unsigned int id, int proc_num);
 void gicv2_set_interrupt_pending(unsigned int id);
 void gicv2_clear_interrupt_pending(unsigned int id);
diff --git a/include/drivers/arm/gicv3.h b/include/drivers/arm/gicv3.h
index 8371dd5..1c71149 100644
--- a/include/drivers/arm/gicv3.h
+++ b/include/drivers/arm/gicv3.h
@@ -354,6 +354,12 @@
 #include <drivers/arm/gic_common.h>
 #include <lib/utils_def.h>
 
+typedef enum {
+	GICV3_G1S,
+	GICV3_G1NS,
+	GICV3_G0
+} gicv3_irq_group_t;
+
 static inline uintptr_t gicv3_redist_size(uint64_t typer_val)
 {
 #if GIC_ENABLE_V4_EXTN
@@ -575,7 +581,8 @@
 		unsigned int priority);
 void gicv3_set_interrupt_type(unsigned int id, unsigned int proc_num,
 		unsigned int type);
-void gicv3_raise_secure_g0_sgi(unsigned int sgi_num, u_register_t target);
+void gicv3_raise_sgi(unsigned int sgi_num, gicv3_irq_group_t group,
+					 u_register_t target);
 void gicv3_set_spi_routing(unsigned int id, unsigned int irm,
 		u_register_t mpidr);
 void gicv3_set_interrupt_pending(unsigned int id, unsigned int proc_num);
diff --git a/include/plat/common/platform.h b/include/plat/common/platform.h
index 184606a..31607c2 100644
--- a/include/plat/common/platform.h
+++ b/include/plat/common/platform.h
@@ -104,6 +104,8 @@
 void plat_ic_set_interrupt_type(unsigned int id, unsigned int type);
 void plat_ic_set_interrupt_priority(unsigned int id, unsigned int priority);
 void plat_ic_raise_el3_sgi(int sgi_num, u_register_t target);
+void plat_ic_raise_ns_sgi(int sgi_num, u_register_t target);
+void plat_ic_raise_s_el1_sgi(int sgi_num, u_register_t target);
 void plat_ic_set_spi_routing(unsigned int id, unsigned int routing_mode,
 		u_register_t mpidr);
 void plat_ic_set_interrupt_pending(unsigned int id);