--- a/plat/mediatek/mt7622/bl2_boot_snand.c
+++ b/plat/mediatek/mt7622/bl2_boot_snand.c
@@ -21,6 +21,10 @@
 #define FIP_BASE			0x80000
 #define FIP_SIZE			0x200000
 
+#ifndef NMBM
+#define SNAND_MAX_BAD_BLOCK		3
+#endif
+
 struct snfi_gpio_mux_info {
 	const uint32_t *pins;
 	uint32_t count;
@@ -45,12 +49,26 @@ static size_t snand_read_range(int lba,
 	size_t sizeremain = size, chunksize;
 	uint64_t off = lba * cinfo.pagesize;
 	uint8_t *ptr = (uint8_t *)buf;
+	struct mtk_snand_chip_info info;
+	unsigned int bad_blocks = 0;
 	int ret = 0;
 
 	if (!snf)
 		return 0;
 
+	ret = mtk_snand_get_chip_info(snf, &info);
+	if (ret)
+		return 0;
+
 	while (sizeremain) {
+		while (mtk_snand_block_isbad(snf, off)) {
+			if (bad_blocks > SNAND_MAX_BAD_BLOCK)
+				return size - sizeremain;
+
+			off += info.blocksize;
+			++bad_blocks;
+		}
+
 		chunksize = cinfo.pagesize;
 		if (chunksize > sizeremain)
 			chunksize = sizeremain;