diff --git a/arch/arc/core/isr_wrapper.S b/arch/arc/core/isr_wrapper.S
index c6f63068470..c6d32dc6557 100644
--- a/arch/arc/core/isr_wrapper.S
+++ b/arch/arc/core/isr_wrapper.S
@@ -61,9 +61,6 @@ IRQ stack frame layout:
 
            status32
               pc
-          [jli_base]
-          [ldi_base]
-          [ei_base]
            lp_count
            lp_start
             lp_end
@@ -74,7 +71,12 @@ IRQ stack frame layout:
 
   low address
 
-  [registers not taken into account in the current implementation]
+Registers not taken into account in the current implementation.
+          jli_base
+          ldi_base
+          ei_base
+          accl
+          acch
 
 The context switch code adopts this standard so that it is easier to follow:
 
diff --git a/arch/arc/include/v2/irq.h b/arch/arc/include/v2/irq.h
index 7879c3fee45..494b5eb697b 100644
--- a/arch/arc/include/v2/irq.h
+++ b/arch/arc/include/v2/irq.h
@@ -31,6 +31,7 @@ extern "C" {
 
 #define _ARC_V2_AUX_IRQ_CTRL_BLINK (1 << 9)
 #define _ARC_V2_AUX_IRQ_CTRL_LOOP_REGS (1 << 10)
+#define _ARC_V2_AUX_IRQ_CTRL_LP (1 << 13)
 #define _ARC_V2_AUX_IRQ_CTRL_14_REGS 7
 #define _ARC_V2_AUX_IRQ_CTRL_16_REGS 8
 #define _ARC_V2_AUX_IRQ_CTRL_32_REGS 16