+#define MT29F_DATA_SIZE 0x800 // 2048 B
+#define MT29F_SPARE_SIZE 0x40 // 64 B
+#define MT29F_PAGE_SIZE (MT29F_DATA_SIZE + MT29F_SPARE_SIZE)
+#define MT29F_BLOCK_SIZE 0x20000 // 128 kB
+#define MT29F_SIZE 0x10000000 // 256 MB
+#define MT29F_ECC_NWORDS (MT29F_DATA_SIZE / 256)
+#define MT29F_CSID NFC_CMD_CSID_0 // Chip select