Signed-off-by: Stefan Roese <s...@denx.de>
Cc: Pekon Gupta <pe...@ti.com>
Cc: Scott Wood <scottw...@freescale.com>
---
drivers/mtd/nand/omap_gpmc.c | 86 ++++++++++++++++++++++----------------------
1 file changed, 43 insertions(+), 43 deletions(-)
diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c
index 5e7e6b3..407b2e5 100644
--- a/drivers/mtd/nand/omap_gpmc.c
+++ b/drivers/mtd/nand/omap_gpmc.c
@@ -283,53 +283,53 @@ static void omap_hwecc_init_bch(struct nand_chip *chip,
int32_t mode)
if (bch->ecc_scheme == OMAP_ECC_BCH8_CODE_HW) {
wr_mode = BCH_WRAPMODE_1;
- switch (bch->nibbles) {
- case ECC_BCH4_NIBBLES:
- unused_length = 3;
- break;
- case ECC_BCH8_NIBBLES:
- unused_length = 2;
- break;
- case ECC_BCH16_NIBBLES:
- unused_length = 0;
- break;
- }
-
- /*
- * This is ecc_size_config for ELM mode.
- * Here we are using different settings for read and write access and
- * also depending on BCH strength.
- */
- switch (mode) {
- case NAND_ECC_WRITE:
- /* write access only setup eccsize1 config */
- val = ((unused_length + bch->nibbles) << 22);
- break;
+ switch (bch->nibbles) {
+ case ECC_BCH4_NIBBLES:
+ unused_length = 3;
+ break;
+ case ECC_BCH8_NIBBLES:
+ unused_length = 2;
+ break;
+ case ECC_BCH16_NIBBLES:
+ unused_length = 0;
+ break;
+ }
- case NAND_ECC_READ:
- default:
/*
- * by default eccsize0 selected for ecc1resultsize
- * eccsize0 config.
+ * This is ecc_size_config for ELM mode.
+ * Here we are using different settings for read and write
access and
+ * also depending on BCH strength.
*/
- val = (bch->nibbles << 12);
- /* eccsize1 config */
- val |= (unused_length << 22);
- break;
- }
+ switch (mode) {
+ case NAND_ECC_WRITE:
+ /* write access only setup eccsize1 config */
+ val = ((unused_length + bch->nibbles) << 22);
+ break;
+
+ case NAND_ECC_READ:
+ default:
+ /*
+ * by default eccsize0 selected for ecc1resultsize
+ * eccsize0 config.
+ */
+ val = (bch->nibbles << 12);
+ /* eccsize1 config */
+ val |= (unused_length << 22);
+ break;
+ }
} else {
- /*
- * This ecc_size_config setting is for BCH sw library.
- *
- * Note: we only support BCH8 currently with BCH sw library!
- * Should be really easy to adobt to BCH4, however some omap3 have
- * flaws with BCH4.
- *
- * Here we are using wrapping mode 6 both for reading and writing, with:
- * size0 = 0 (no additional protected byte in spare area)
- * size1 = 32 (skip 32 nibbles = 16 bytes per sector in spare area)
- */
- val = (32 << 22) | (0 << 12);
+ /*
+ * This ecc_size_config setting is for BCH sw library.
+ *
+ * Note: we only support BCH8 currently with BCH sw library!
+ * Should be really easy to adobt to BCH4, however some omap3
have
+ * flaws with BCH4.
+ *
+ * Here we are using wrapping mode 6 both for reading and
writing, with:
+ * size0 = 0 (no additional protected byte in spare area)
+ * size1 = 32 (skip 32 nibbles = 16 bytes per sector in spare
area)
+ */
+ val = (32 << 22) | (0 << 12);
}
/* ecc size configuration */
writel(val, &gpmc_cfg->ecc_size_config);
--
1.8.4.5
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