enable the RBL/UBL ECC layout through
CONFIG_NAND_6BYTES_OOB_FREE_10BYTES_ECC define

see for more info:
http://processors.wiki.ti.com/index.php/DM365_Nand_ECC_layout

Signed-off-by: Heiko Schocher <h...@denx.de>
Cc: Tom Rini <tr...@ti.com>
Cc: Scott Wood <scottw...@freescale.com>

---
- changes for v2:
  add comment from Scott Wood:
  - move  if/else/end to a more readable place
---
 drivers/mtd/nand/davinci_nand.c | 12 ++++++++++++
 1 Datei geändert, 12 Zeilen hinzugefügt(+)

diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index d8bb5d3..5b17d7b 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -266,6 +266,17 @@ static int nand_davinci_correct_data(struct mtd_info *mtd, 
u_char *dat,
 static struct nand_ecclayout nand_davinci_4bit_layout_oobfirst = {
 #if defined(CONFIG_SYS_NAND_PAGE_2K)
        .eccbytes = 40,
+#ifdef CONFIG_NAND_6BYTES_OOB_FREE_10BYTES_ECC
+       .eccpos = {
+               6,   7,  8,  9, 10,     11, 12, 13, 14, 15,
+               22, 23, 24, 25, 26,     27, 28, 29, 30, 31,
+               38, 39, 40, 41, 42,     43, 44, 45, 46, 47,
+               54, 55, 56, 57, 58,     59, 60, 61, 62, 63,
+       },
+       .oobfree = {
+               {2, 4}, {16, 6}, {32, 6}, {48, 6},
+       },
+#else
        .eccpos = {
                24, 25, 26, 27, 28,
                29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
@@ -276,6 +287,7 @@ static struct nand_ecclayout 
nand_davinci_4bit_layout_oobfirst = {
        .oobfree = {
                {.offset = 2, .length = 22, },
        },
+#endif /* #ifdef CONFIG_NAND_6BYTES_OOB_FREE_10BYTES_ECC */
 #elif defined(CONFIG_SYS_NAND_PAGE_4K)
        .eccbytes = 80,
        .eccpos = {
-- 
1.7.11.7

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