+/**
+ * Phases - images intended for particular U-Boot phases (SPL, etc.)
+ *
+ * @IH_PHASE_NONE: No phase information, can be loaded by any phase
+ * @IH_PHASE_U_BOOT: Only for U-Boot proper
+ * @IH_PHASE_SPL: Only for SPL
+ */
+enum image_phase_t {
+ IH_PHASE_NONE = 0,
+ IH_PHASE_U_BOOT,
+ IH_PHASE_SPL,
+
+ IH_PHASE_COUNT,
+};
+
+#define IMAGE_PHASE_SHIFT 8
+#define IMAGE_PHASE_MASK (0xff << IMAGE_PHASE_SHIFT)
+#define IMAGE_TYPE_MASK 0xff
+
+/**
+ * image_ph() - build a composite value combining and type
+ *
+ * @phase: Image phase value
+ * @type: Image type value
+ * Returns: Composite value containing both
+ */
+static inline int image_ph(enum image_phase_t phase, enum image_type_t type)
+{
+ return type | (phase << IMAGE_PHASE_SHIFT);
+}
+
+/**
+ * image_ph_phase() - obtain the phase from a composite phase/type value
+ *
+ * @image_ph_type: Composite value to convert
+ * Returns: Phase value taken from the composite value
+ */
+static inline int image_ph_phase(int image_ph_type)
+{
+ return (image_ph_type & IMAGE_PHASE_MASK) >> IMAGE_PHASE_SHIFT;
+}
+
+/**
+ * image_ph_type() - obtain the type from a composite phase/type value
+ *
+ * @image_ph_type: Composite value to convert
+ * Returns: Type value taken from the composite value
+ */
+static inline int image_ph_type(int image_ph_type)
+{
+ return image_ph_type & IMAGE_TYPE_MASK;
+}
+