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mtd: nand: ifc: update bufnum mask for ver >= 2.0.0

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Bufnum mask is used to calculate page position in the internal SRAM.

As IFC version 2.0.0 has 16KB of internal SRAM as compared to older
versions which had 8KB. Hence bufnum mask needs to be updated.

Signed-off-by: Jagdish Gediya <jagdish.gediya@nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
This commit is contained in:
Jagdish Gediya 2017-11-23 17:04:31 +05:30 committed by Boris Brezillon
parent d822401d1c
commit bccb06c353
1 changed files with 7 additions and 0 deletions
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7
drivers/mtd/nand/fsl_ifc_nand.c
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@ -916,6 +916,13 @@ static int fsl_ifc_chip_init(struct fsl_ifc_mtd *priv)
if (ctrl->version >= FSL_IFC_VERSION_1_1_0)
fsl_ifc_sram_init(priv);
/*
* As IFC version 2.0.0 has 16KB of internal SRAM as compared to older
* versions which had 8KB. Hence bufnum mask needs to be updated.
*/
if (ctrl->version >= FSL_IFC_VERSION_2_0_0)
priv->bufnum_mask = (priv->bufnum_mask * 2) + 1;
return 0;
}