nrfx: hal: nrf_cache: Add nrf_cache_lineaddr_get

Add function for getting LINEADDR register content.

Signed-off-by: Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>

nrfx/hal/nrf_cache.h

@@ -523,6 +523,15 @@ NRF_STATIC_INLINE bool nrf_cache_is_data_unit_dirty_check(NRF_CACHEINFO_Type con
  */
 NRF_STATIC_INLINE void nrf_cache_lineaddr_set(NRF_CACHE_Type * p_reg, uint32_t addr);
 
+/**
+ * @brief Function to get the memory address covered by the line to be maintained.
+ *
+ * @param[in] p_reg Pointer to the structure of registers of the peripheral.
+ *
+ * @return Cache line adress.
+ */
+NRF_STATIC_INLINE uint32_t nrf_cache_lineaddr_get(NRF_CACHE_Type const * p_reg);
+
 /**
  * @brief Function for triggering the specified CACHE task.
  *
@@ -869,6 +878,11 @@ NRF_STATIC_INLINE void nrf_cache_lineaddr_set(NRF_CACHE_Type * p_reg, uint32_t a
     p_reg->LINEADDR = addr;
 }
 
+NRF_STATIC_INLINE uint32_t nrf_cache_lineaddr_get(NRF_CACHE_Type const * p_reg)
+{
+    return p_reg->LINEADDR;
+}
+
 NRF_STATIC_INLINE void nrf_cache_task_trigger(NRF_CACHE_Type * p_reg, nrf_cache_task_t task)
 {
     *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)task)) = 0x1UL;