drivers: flash: spi_nor: use defines for 4byte identifiers

use defines for 4byte identifiers.

Signed-off-by: Fin Maaß <[email protected]>

Author: maass-hamburg

drivers/flash/jesd216.h

@@ -531,4 +531,15 @@ int jesd216_bfp_decode_dw16(const struct jesd216_param_header *php,
 			    const struct jesd216_bfp *bfp,
 			    struct jesd216_bfp_dw16 *res);
 
+/* JESD216D-01 section 6.6: 4-Byte Address Instruction Parameter */
+#define JESD216_SFDP_4B_ADDR_DW1_1S_1S_1S_READ_13_SUP      BIT(0)
+#define JESD216_SFDP_4B_ADDR_DW1_1S_1S_1S_FAST_READ_0C_SUP BIT(1)
+#define JESD216_SFDP_4B_ADDR_DW1_1S_1S_2_FAST_READ_3C_SUP  BIT(2)
+#define JESD216_SFDP_4B_ADDR_DW1_1S_2S_2S_FAST_READ_BC_SUP BIT(3)
+#define JESD216_SFDP_4B_ADDR_DW1_1S_1S_4S_FAST_READ_6C_SUP BIT(4)
+#define JESD216_SFDP_4B_ADDR_DW1_1S_4S_4_FAST_READ_EC_SUP  BIT(5)
+#define JESD216_SFDP_4B_ADDR_DW1_1S_1S_1S_PP_12_SUP        BIT(6)
+#define JESD216_SFDP_4B_ADDR_DW1_1S_1S_4S_PP_34_SUP        BIT(7)
+#define JESD216_SFDP_4B_ADDR_DW1_1S_4S_4S_PP_3E_SUP        BIT(8)
+
 #endif /* ZEPHYR_DRIVERS_FLASH_JESD216_H_ */

drivers/flash/spi_nor.c

@@ -1329,8 +1329,10 @@ static int spi_nor_process_sfdp(const struct device *dev)
 					};
 				}
 
-				if (!((sys_le32_to_cpu(u2.dw[0]) & BIT(0)) &&
-				      (sys_le32_to_cpu(u2.dw[0]) & BIT(6)))) {
+				if (!((sys_le32_to_cpu(u2.dw[0]) &
+				       JESD216_SFDP_4B_ADDR_DW1_1S_1S_1S_READ_13_SUP) &&
+				      (sys_le32_to_cpu(u2.dw[0]) &
+				       JESD216_SFDP_4B_ADDR_DW1_1S_1S_1S_PP_12_SUP))) {
 					LOG_ERR("4-byte addressing not supported");
 					return -ENOTSUP;
 				}