hal: renesas: ra: copy BSP_ASSIGN_EVENT_TO_CURRENT_CORE to bsp_irq.h

CPU1 requires setting the interrupt direction, which should be
configured in the Zephyr driver layer. To support this, move
BSP_ASSIGN_EVENT_TO_CURRENT_CORE definition from
bsp_irq.c to bsp_irq.h.

Signed-off-by: Khoa Nguyen <[email protected]>

Author: khoa-nguyen-18

drivers/ra/README

@@ -167,3 +167,7 @@ Patch List:
    * Modify to use ".noinit" instead of ".ram_noinit" for `BSP_SECTION_NOINIT` and `__NO_INIT`
       Impacted files:
          drivers/ra/fsp/src/bsp/mcu/all/bsp_compiler_support.h
+
+   * Copy `BSP_ASSIGN_EVENT_TO_CURRENT_CORE` from bsp_irq.c to bsp_irq.h to let it can be used in Zephyr driver
+      Impacted files:
+         zephyr/ra/portable/bsp_irq.h

zephyr/ra/portable/bsp_irq.h

@@ -17,6 +17,18 @@ FSP_HEADER
  **********************************************************************************************************************/
 #define BSP_ICU_VECTOR_MAX_ENTRIES    (BSP_VECTOR_TABLE_MAX_ENTRIES - BSP_CORTEX_VECTOR_TABLE_ENTRIES)
 
+#if (BSP_CFG_CPU_CORE == 1)
+ #define BSP_EVENT_NUM_TO_INTSELR(x)         (x >> 5)        // Convert event number to INTSELR register number
+ #define BSP_EVENT_NUM_TO_INTSELR_MASK(x)    (1 << (x % 32)) // Convert event number to INTSELR bit mask
+ #define BSP_ASSIGN_EVENT_TO_CURRENT_CORE(event)                               \
+  {                                                                            \
+    R_ICU->INTSELR[BSP_EVENT_NUM_TO_INTSELR(event)] |=                         \
+        BSP_EVENT_NUM_TO_INTSELR_MASK(event);                                  \
+  }
+#else
+ #define BSP_ASSIGN_EVENT_TO_CURRENT_CORE(event)
+#endif /* BSP_CFG_CPU_CORE == 1 */
+
 /***********************************************************************************************************************
  * Typedef definitions
  **********************************************************************************************************************/