Internal SRAM has been incresed from 8KB to 16KB for IFC cotroller ver 2.0.
Update the page offset calculation logic to support the same.
Signed-off-by: Prabhakar Kushwaha prabhakar@freescale.com --- Changes for v2: rebased the patch
drivers/mtd/nand/fsl_ifc_nand.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+)
diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index 280e14e..fd5f536 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -24,6 +24,7 @@ #endif
#define FSL_IFC_V1_1_0 0x01010000 +#define FSL_IFC_V2_0_0 0x02000000 #define MAX_BANKS CONFIG_SYS_FSL_IFC_BANK_COUNT #define ERR_BYTE 0xFF /* Value returned for read bytes when read failed */ @@ -1040,6 +1041,30 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr) if (ret) return ret;
+ if (ver >= FSL_IFC_V2_0_0) { + switch (csor & CSOR_NAND_PGS_MASK) { + case CSOR_NAND_PGS_512: + priv->bufnum_mask = 31; + break; + + case CSOR_NAND_PGS_2K: + priv->bufnum_mask = 7; + break; + + case CSOR_NAND_PGS_4K: + priv->bufnum_mask = 3; + break; + + case CSOR_NAND_PGS_8K: + priv->bufnum_mask = 1; + break; + + default: + printf("ifc nand: bad csor %#x: bad page size\n", csor); + return -ENODEV; + } + } + ret = nand_scan_ident(mtd, 1, NULL); if (ret) return ret;