diff options
| author | Jagdish Gediya <jagdish.gediya@nxp.com> | 2017-11-23 17:04:31 +0530 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2017-11-30 22:32:49 +0100 |
| commit | bccb06c353af3764ca86d9da47652458e6c2eb41 (patch) | |
| tree | 3c2044bdfef77d5f23937699cd28fa50e5ec92ba /drivers/mtd/nand | |
| parent | d822401d1c6898a4a4ee03977b78b8cec402e88a (diff) | |
| download | linux-bccb06c353af3764ca86d9da47652458e6c2eb41.tar.bz2 | |
mtd: nand: ifc: update bufnum mask for ver >= 2.0.0
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>
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/fsl_ifc_nand.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index 9e03bac7f34c..bbdd68a54d68 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -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; } |