.flash_wait_states = 6, /* workaround silicon bug */
                                .present = 1,
                                .size_bytes = 256 * 1024,
-                               .nsectors   = 32,
-                               .sector_size = 8192,
+                               .nsectors   = 16,
+                               .sector_size = 16384,
                                .page_size   = 256,
                        },
 /*             .bank[1] = { */
                                .flash_wait_states = 6, /* workaround silicon bug */
                                .present = 1,
                                .size_bytes = 256 * 1024,
-                               .nsectors   = 32,
-                               .sector_size = 8192,
+                               .nsectors   = 16,
+                               .sector_size = 16384,
                                .page_size   = 256,
                        },
 /*             .bank[1] = { */
                                .flash_wait_states = 6, /* workaround silicon bug */
                                .present = 1,
                                .size_bytes = 256 * 1024,
-                               .nsectors   = 32,
-                               .sector_size = 8192,
+                               .nsectors   = 16,
+                               .sector_size = 16384,
                                .page_size   = 256,
                        },
 /*             .bank[1] = { */
                                .flash_wait_states = 6, /* workaround silicon bug */
                                .present = 1,
                                .size_bytes = 128 * 1024,
-                               .nsectors   = 16,
-                               .sector_size = 8192,
+                               .nsectors   = 8,
+                               .sector_size = 16384,
                                .page_size   = 256,
                        },
 /*             .bank[1] = { */
                                .flash_wait_states = 6, /* workaround silicon bug */
                                .present = 1,
                                .size_bytes = 128 * 1024,
-                               .nsectors   = 16,
-                               .sector_size = 8192,
+                               .nsectors   = 8,
+                               .sector_size = 16384,
                                .page_size   = 256,
                        },
 /*             .bank[1] = { */
                                .flash_wait_states = 6, /* workaround silicon bug */
                                .present = 1,
                                .size_bytes = 128 * 1024,
-                               .nsectors   = 16,
-                               .sector_size = 8192,
+                               .nsectors   = 8,
+                               .sector_size = 16384,
                                .page_size   = 256,
                        },
 /*             .bank[1] = { */
                                .flash_wait_states = 6, /* workaround silicon bug */
                                .present = 1,
                                .size_bytes = 64 * 1024,
-                               .nsectors   = 8,
-                               .sector_size = 8192,
+                               .nsectors   = 4,
+                               .sector_size = 16384,
                                .page_size   = 256,
                        },
 /*             .bank[1] = { */
                                .flash_wait_states = 6, /* workaround silicon bug */
                                .present = 1,
                                .size_bytes = 64 * 1024,
-                               .nsectors   = 8,
-                               .sector_size = 8192,
+                               .nsectors   = 4,
+                               .sector_size = 16384,
                                .page_size   = 256,
                        },
 /*             .bank[1] = { */
                                .flash_wait_states = 6, /* workaround silicon bug */
                                .present = 1,
                                .size_bytes = 64 * 1024,
-                               .nsectors   = 8,
-                               .sector_size = 8192,
+                               .nsectors   = 4,
+                               .sector_size = 16384,
                                .page_size   = 256,
                        },
 /*             .bank[1] = { */