OneNAND: Partial Read support

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

diff --git a/common/cmd_onenand.c b/common/cmd_onenand.c
index fcd9209..6d28328 100644 (file)
--- a/common/cmd_onenand.c
+++ b/common/cmd_onenand.c
@@ -113,6 +113,16 @@ static int onenand_block_read(loff_t from, size_t len,
                *retlen += ops.retlen;
        }
 
+       if (len < blocksize) {
+               ops.datbuf = buf;
+               ops.len = len;
+               ops.retlen = 0;
+               ret = mtd->read_oob(mtd, ofs, &ops);
+               if (ret)
+                       printk("Read failed 0x%x, %d\n", (u32)ofs, ret);
+               *retlen += ops.retlen;
+       }
+
        return 0;
 }
 
@@ -234,7 +244,7 @@ static int onenand_block_test(u32 start, u32 size)
                end_block = mtd->size >> this->erase_shift;
 
        blocks = start_block;
-       ofs = start;
+       ofs = start_block << this->erase_shift;
        while (blocks < end_block) {
                printf("\rTesting block %d at 0x%x", (u32)(ofs >> this->erase_shift), (u32)ofs);
 
@@ -265,9 +275,10 @@ static int onenand_block_test(u32 start, u32 size)
                        goto next;
                }
 
-               if (memcmp(buf, verify_buf, blocksize))
+               if (memcmp(buf, verify_buf, blocksize)) {
                        printk("\nRead/Write test failed at 0x%x\n", (u32)ofs);
-
+                       break;
+               }
 next:
                ofs += blocksize;
                blocks++;