bsps: Generalize bsp_fdt_map_intr()

Pass all interrupt cells to bsp_fdt_map_intr() since some platforms use
an array to describe an interrupt.

Update #3090.

c/src/lib/libbsp/arm/beagle/startup/bspstart.c

@@ -29,7 +29,7 @@ void bsp_start(void)
   printk("\nRTEMS Beagleboard: %s\n", type);
 }
 
-uint32_t bsp_fdt_map_intr(uint32_t intr)
+uint32_t bsp_fdt_map_intr(const uint32_t *intr, size_t icells)
 {
-  return intr;
+  return intr[0];
 }

c/src/lib/libbsp/arm/imx/console/console-config.c

@@ -86,7 +86,9 @@ static void imx_uart_init_context(
 #ifdef CONSOLE_USE_INTERRUPTS
   val = fdt_getprop(fdt, node, "interrupts", &len);
   if (val != NULL && len >= 8) {
-    ctx->irq = bsp_fdt_map_intr(fdt32_to_cpu(val[1]));
+    uint32_t cpu_val[2];
+    cpu_val[1] = fdt32_to_cpu(val[1]);
+    ctx->irq = bsp_fdt_map_intr(cpu_val, 2);
   }
 #endif
 }

c/src/lib/libbsp/arm/imx/startup/bspstart.c

@@ -20,9 +20,9 @@
 
 #include <libfdt.h>
 
-uint32_t bsp_fdt_map_intr(uint32_t intr)
+uint32_t bsp_fdt_map_intr(const uint32_t *intr, size_t icells)
 {
-  return intr + 32;
+  return intr[1] + 32;
 }
 
 void arm_generic_timer_get_config(

c/src/lib/libbsp/powerpc/qoriq/startup/bspstart.c

@@ -205,7 +205,7 @@ void bsp_start(void)
 #endif
 }
 
-uint32_t bsp_fdt_map_intr(uint32_t intr)
+uint32_t bsp_fdt_map_intr(const uint32_t *intr, size_t icells)
 {
-  return intr - 16;
+  return intr[0] - 16;
 }

c/src/lib/libbsp/shared/include/fdt.h

@@ -53,11 +53,12 @@ const void *bsp_fdt_get(void);
  * This function is used by the libbsd to implement the OFW_BUS_MAP_INTR bus
  * method.
  *
- * @param[in] intr The FDT interrupt number.
+ * @param[in] intr The FDT interrupt number cells.
+ * @param[in] icells The FDT interrupt cell count.
  *
  * @return The interrupt vector of the FDT interrupt number.
  */
-uint32_t bsp_fdt_map_intr(uint32_t intr);
+uint32_t bsp_fdt_map_intr(const uint32_t *intr, size_t icells);
 
 #ifdef __cplusplus
 }