drivers: nxp_s32_canxl: support rxfifo on new SoC version s32ze

The received messages are put into the FIFO one by one in the
order, the hardware will return the queue index for current
message. So use the index instead of reading always from 0.

Signed-off-by: Ha Duong Quang <[email protected]>

Author: haduongquang

doc/releases/release-notes-4.0.rst

@@ -79,6 +79,9 @@ Boards & SoC Support
 
 * Made these changes in other SoC series:
 
+  * NXP S32Z270: Added support for the new silicon cut version 2.0. Note that the previous
+    versions (1.0 and 1.1) are no longer supported.
+
 * Added support for these boards:
 
 * Made these board changes:

drivers/can/can_nxp_s32_canxl.c

@@ -167,7 +167,7 @@ static void can_nxp_s32_config_rx_fifo_filter(const struct device *dev, int filt
 }
 
 /* Get the RxFiFO filter matched with the received RxFIFO message queue */
-static inline int can_nxp_s32_get_rx_fifo_filter(struct can_nxp_s32_data *data)
+static inline int can_nxp_s32_get_rx_fifo_filter(struct can_nxp_s32_data *data, uint8_t queue_idx)
 {
 	int alloc = -ENOSPC;
 	uint32_t mask;
@@ -179,8 +179,8 @@ static inline int can_nxp_s32_get_rx_fifo_filter(struct can_nxp_s32_data *data)
 			continue;
 		}
 
-		if ((data->rx_fifo[0].Header.Id & mask) ==
-			(data->rx_fifo_filter[filter_id].idAddrFilterH & mask)) {
+		if ((data->rx_fifo[queue_idx].Header.Id & mask) ==
+		    (data->rx_fifo_filter[filter_id].idAddrFilterH & mask)) {
 			alloc = filter_id;
 			break;
 		}
@@ -888,12 +888,17 @@ static void can_nxp_s32_ctrl_callback(const struct device *dev,
 		}
 #ifdef CONFIG_CAN_NXP_S32_RX_FIFO
 	} else if (eventType == CANEXCEL_EVENT_RXFIFO_COMPLETE) {
-		alloc = can_nxp_s32_get_rx_fifo_filter(data);
+		uint8_t queue_idx = ((config->base_rx_fifo_ctrl->RXFCSTA &
+				      CANXL_RXFIFO_CONTROL_RXFCSTA_HWPOINTER_MASK) >>
+				     CANXL_RXFIFO_CONTROL_RXFCSTA_HWPOINTER_SHIFT) -
+				    1;
+
+		alloc = can_nxp_s32_get_rx_fifo_filter(data, queue_idx);
 
 		if (alloc != -ENOSPC) {
 			rx_func = data->rx_cbs[alloc].function;
 			if (atomic_test_bit(data->rx_allocs, alloc)) {
-				nxp_s32_msg_data_to_zcan_frame(data->rx_fifo[0], &frame);
+				nxp_s32_msg_data_to_zcan_frame(data->rx_fifo[queue_idx], &frame);
 
 				LOG_DBG("%s: Received %d bytes Rx FiFo %d, "
 					"Rx Id: 0x%x, "