Commit 5d7a49b9 authored by Stefan Roese's avatar Stefan Roese Committed by Scott Wood
Browse files

mtd: nand: omap_gpmc: cosmetic: Fix indentation


Signed-off-by: default avatarStefan Roese <sr@denx.de>
Cc: Pekon Gupta <pekon@ti.com>
Cc: Scott Wood <scottwood@freescale.com>
[scottwood@freescale.com: wrap some long lines]
Signed-off-by: default avatarScott Wood <scottwood@freescale.com>
parent 69cc97f8
......@@ -283,53 +283,55 @@ 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);
......
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