diff --git a/flashchips.c b/flashchips.c
index 65110fe..e487956 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -6290,12 +6290,21 @@
 		{
 			{
 				.eraseblocks = { {4 * 1024, 8192} },
+				.block_erase = spi_block_erase_21,
+			}, {
+				.eraseblocks = { {4 * 1024, 8192} },
 				.block_erase = spi_block_erase_20,
 			}, {
 				.eraseblocks = { {32 * 1024, 1024} },
+				.block_erase = spi_block_erase_5c,
+			}, {
+				.eraseblocks = { {32 * 1024, 1024} },
 				.block_erase = spi_block_erase_52,
 			}, {
 				.eraseblocks = { {64 * 1024, 512} },
+				.block_erase = spi_block_erase_dc,
+			}, {
+				.eraseblocks = { {64 * 1024, 512} },
 				.block_erase = spi_block_erase_d8,
 			}, {
 				.eraseblocks = { {32 * 1024 * 1024, 1} },