diff options
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/fsl_ifc_nand.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index bc6bdc9b2c..a757a3be44 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -48,7 +48,6 @@ struct fsl_ifc_ctrl { /* device info */ struct fsl_ifc regs; void __iomem *addr; /* Address of assigned IFC buffer */ - unsigned int cs_nand; /* On which chipsel NAND is connected */ unsigned int page; /* Last page written to / read from */ unsigned int read_bytes; /* Number of bytes read during command */ unsigned int column; /* Saved column from SEQIN */ @@ -296,7 +295,7 @@ static int fsl_ifc_run_command(struct mtd_info *mtd) int i; /* set the chip select for NAND Transaction */ - ifc_out32(&ifc->ifc_nand.nand_csel, ifc_ctrl->cs_nand); + ifc_out32(&ifc->ifc_nand.nand_csel, priv->bank << IFC_NAND_CSEL_SHIFT); /* start read/write seq */ ifc_out32(&ifc->ifc_nand.nandseq_strt, @@ -798,7 +797,7 @@ static void fsl_ifc_select_chip(struct mtd_info *mtd, int chip) { } -static int fsl_ifc_sram_init(uint32_t ver) +static int fsl_ifc_sram_init(struct fsl_ifc_mtd *priv, uint32_t ver) { struct fsl_ifc_runtime *ifc = ifc_ctrl->regs.rregs; uint32_t cs = 0, csor = 0, csor_8k = 0, csor_ext = 0; @@ -823,7 +822,7 @@ static int fsl_ifc_sram_init(uint32_t ver) return 1; } - cs = ifc_ctrl->cs_nand >> IFC_NAND_CSEL_SHIFT; + cs = priv->bank; /* Save CSOR and CSOR_ext */ csor = ifc_in32(&ifc_ctrl->regs.gregs->csor_cs[cs].csor); @@ -850,7 +849,7 @@ static int fsl_ifc_sram_init(uint32_t ver) ifc_out32(&ifc->ifc_nand.col0, 0x0); /* set the chip select for NAND Transaction */ - ifc_out32(&ifc->ifc_nand.nand_csel, ifc_ctrl->cs_nand); + ifc_out32(&ifc->ifc_nand.nand_csel, priv->bank << IFC_NAND_CSEL_SHIFT); /* start read seq */ ifc_out32(&ifc->ifc_nand.nandseq_strt, IFC_NAND_SEQ_STRT_FIR_STRT); @@ -911,10 +910,8 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr) csor = ifc_in32(&gregs->csor_cs[priv->bank].csor); if ((cspr & CSPR_V) && (cspr & CSPR_MSEL) == CSPR_MSEL_NAND && - (cspr & CSPR_BA) == CSPR_PHYS_ADDR(phys_addr)) { - ifc_ctrl->cs_nand = priv->bank << IFC_NAND_CSEL_SHIFT; + (cspr & CSPR_BA) == CSPR_PHYS_ADDR(phys_addr)) break; - } } if (priv->bank >= MAX_BANKS) { @@ -1029,7 +1026,7 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr) ver = ifc_in32(&gregs->ifc_rev); if (ver >= FSL_IFC_V1_1_0) - ret = fsl_ifc_sram_init(ver); + ret = fsl_ifc_sram_init(priv, ver); if (ret) return ret; |