+#ifdef CONFIG_SPL_UBI
+/* Temporary storage for non page aligned and non page sized reads. */
+static u8 scratch_buf[PAGE_4K];
+
+/**
+ * onenand_spl_read_block - Read data from physical eraseblock into a buffer
+ * @block: Number of the physical eraseblock
+ * @offset: Data offset from the start of @peb
+ * @len: Data size to read
+ * @dst: Address of the destination buffer
+ *
+ * Notes:
+ * @offset + @len are not allowed to be larger than a physical
+ * erase block. No sanity check done for simplicity reasons.
+ */
+int onenand_spl_read_block(int block, int offset, int len, void *dst)
+{
+ int page, read;
+ static int psize;
+
+ if (!psize)
+ psize = onenand_spl_get_geometry();
+
+ /* Calculate the page number */
+ page = offset / psize;
+ /* Offset to the start of a flash page */
+ offset = offset % psize;
+
+ while (len) {
+ /*
+ * Non page aligned reads go to the scratch buffer.
+ * Page aligned reads go directly to the destination.
+ */
+ if (offset || len < psize) {
+ onenand_spl_read_page(block, page,
+ (uint32_t *)scratch_buf, psize);
+ read = min(len, psize - offset);
+ memcpy(dst, scratch_buf + offset, read);
+ offset = 0;
+ } else {
+ onenand_spl_read_page(block, page, dst, psize);
+ read = psize;
+ }
+ page++;
+ len -= read;
+ dst += read;
+ }
+ return 0;
+}
+#endif
+