drivers: nxp : flexspi: add GD nor flash support

Fix a bug in quad bit enablement.
Add LUT for Giga Device nor flash GD25Q256x.

Signed-off-by: Raymond Lei <raymond.lei@nxp.com>

Author: Raymond0225

drivers/flash/flash_mcux_flexspi_nor.c

@@ -622,8 +622,8 @@ static int flash_flexspi_nor_quad_enable(struct flash_flexspi_nor_data *data,
 				kFLEXSPI_Command_SDR, kFLEXSPI_1PAD, SPI_NOR_CMD_WRSR2,
 				kFLEXSPI_Command_WRITE_SDR, kFLEXSPI_1PAD, 0x1);
 
-		/* Set bit 7 of status register 2 */
-		bit = BIT(7);
+		/* Set bit 1 of status register 2 */
+		bit = BIT(1);
 		rd_size = 1;
 		wr_size = 1;
 		break;
@@ -1293,6 +1293,40 @@ static int flash_flexspi_nor_check_jedec(struct flash_flexspi_nor_data *data,
 				kFLEXSPI_Command_SDR, kFLEXSPI_8PAD, SPI_NOR_CMD_WREN,
 				kFLEXSPI_Command_STOP, kFLEXSPI_1PAD, 0);
 		return 0;
+	case 0x1940C8: /* GD25Q256E */
+		flexspi_lut[READ][0] = FLEXSPI_LUT_SEQ(
+				kFLEXSPI_Command_SDR, kFLEXSPI_1PAD, SPI_NOR_CMD_4READ_4B,
+				kFLEXSPI_Command_RADDR_SDR, kFLEXSPI_4PAD, 0x20);
+		/* Flash needs 15 dummy cycles */
+		flexspi_lut[READ][1] = FLEXSPI_LUT_SEQ(
+				kFLEXSPI_Command_MODE8_SDR, kFLEXSPI_4PAD, 0xF0,
+				kFLEXSPI_Command_DUMMY_SDR, kFLEXSPI_4PAD, 0x04);
+		flexspi_lut[READ][2] = FLEXSPI_LUT_SEQ(
+				kFLEXSPI_Command_READ_SDR, kFLEXSPI_4PAD, 0x04,
+				kFLEXSPI_Command_STOP, kFLEXSPI_1PAD, 0x00);
+
+		data->legacy_poll = true;
+		flexspi_lut[READ_STATUS_REG][0] = FLEXSPI_LUT_SEQ(
+				kFLEXSPI_Command_SDR, kFLEXSPI_1PAD, SPI_NOR_CMD_RDSR,
+				kFLEXSPI_Command_READ_SDR, kFLEXSPI_1PAD, 0x04);
+
+		flexspi_lut[ERASE_SECTOR][0] = FLEXSPI_LUT_SEQ(
+				kFLEXSPI_Command_SDR, kFLEXSPI_1PAD, SPI_NOR_CMD_SE_4B,
+				kFLEXSPI_Command_RADDR_SDR, kFLEXSPI_1PAD, 0x20);
+
+		flexspi_lut[ERASE_BLOCK][0] = FLEXSPI_LUT_SEQ(
+				kFLEXSPI_Command_SDR, kFLEXSPI_1PAD, SPI_NOR_CMD_BE_4B,
+				kFLEXSPI_Command_RADDR_SDR, kFLEXSPI_1PAD, 0x20);
+
+		flexspi_lut[PAGE_PROGRAM][0] = FLEXSPI_LUT_SEQ(
+				kFLEXSPI_Command_SDR, kFLEXSPI_1PAD, SPI_NOR_CMD_PP_1_1_4_4B,
+				kFLEXSPI_Command_RADDR_SDR, kFLEXSPI_1PAD, 0x20);
+		flexspi_lut[PAGE_PROGRAM][1] = FLEXSPI_LUT_SEQ(
+				kFLEXSPI_Command_WRITE_SDR, kFLEXSPI_4PAD, 0x04,
+				kFLEXSPI_Command_STOP, kFLEXSPI_1PAD, 0x00);
+
+		return flash_flexspi_nor_quad_enable(data, flexspi_lut,
+						JESD216_DW15_QER_VAL_S2B1v6);
 
 	default:
 		return -ENOTSUP;