[U-Boot] [PATCH v2 1/2] nand, davinci: add special UBL ecc position
Heiko Schocher
hs at denx.de
Fri Sep 6 05:21:23 CEST 2013
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 <hs at denx.de>
Cc: Tom Rini <trini at ti.com>
Cc: Scott Wood <scottwood at 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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