diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2013-09-09 16:04:49 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2013-09-09 16:04:49 +0200 |
| commit | f3c3cb8634c91632ad78bf5165a07a980d736947 (patch) | |
| tree | 27443434ab55e77f0b3ecd2f7f6798046303ddb7 | |
| parent | ec8c22004a2dd68771d33a8fe5e38b10c465dcc2 (diff) | |
mtd/nand: fsl_nfc: add option for 8-bit wide bus width
Add configuration option CONFIG_NAND_FSL_NFC_8BIT to be able to specify
narrow 8-bit wide bus width in connecting NAND chips.
| -rw-r--r-- | drivers/mtd/nand/fsl_nfc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/mtd/nand/fsl_nfc.c b/drivers/mtd/nand/fsl_nfc.c index 231490a7b20..a211d541706 100644 --- a/drivers/mtd/nand/fsl_nfc.c +++ b/drivers/mtd/nand/fsl_nfc.c @@ -882,7 +882,10 @@ int board_nand_init(struct nand_chip *chip) chip->write_buf = fsl_nfc_write_buf; chip->verify_buf = fsl_nfc_verify_buf; chip->options = NAND_NO_AUTOINCR | NAND_USE_FLASH_BBT | - NAND_BUSWIDTH_16 | NAND_CACHEPRG; + NAND_CACHEPRG; +#ifndef CONFIG_NAND_FSL_NFC_8BIT + chip->options |= NAND_BUSWIDTH_16; +#endif chip->select_chip = nfc_select_chip; @@ -939,9 +942,11 @@ int board_nand_init(struct nand_chip *chip) CONFIG_BUFNO_AUTO_INCR_MASK, CONFIG_BUFNO_AUTO_INCR_SHIFT, 0); +#ifndef CONFIG_NAND_FSL_NFC_8BIT nfc_set_field(mtd, NFC_FLASH_CONFIG, CONFIG_16BIT_MASK, CONFIG_16BIT_SHIFT, 1); +#endif /* CONFIG_NAND_FSL_NFC_8BIT */ /* SET FAST_FLASH = 1 */ nfc_set_field(mtd, NFC_FLASH_CONFIG, |