diff options
Diffstat (limited to 'drivers/mtd/nand/fsl_ifc_nand.c')
| -rw-r--r-- | drivers/mtd/nand/fsl_ifc_nand.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index 43355779cff..2338124dd05 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -22,7 +22,6 @@ #include <linux/module.h> #include <linux/types.h> -#include <linux/init.h> #include <linux/kernel.h> #include <linux/of_address.h> #include <linux/slab.h> @@ -30,7 +29,7 @@ #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> #include <linux/mtd/nand_ecc.h> -#include <asm/fsl_ifc.h> +#include <linux/fsl_ifc.h> #define FSL_IFC_V1_1_0 0x01010000 #define ERR_BYTE 0xFF /* Value returned for read @@ -57,7 +56,7 @@ struct fsl_ifc_nand_ctrl { struct nand_hw_control controller; struct fsl_ifc_mtd *chips[FSL_IFC_BANK_COUNT]; - u8 __iomem *addr; /* Address of assigned IFC buffer */ + void __iomem *addr; /* Address of assigned IFC buffer */ 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 */ @@ -592,7 +591,10 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command, * The chip always seems to report that it is * write-protected, even when it is not. */ - setbits8(ifc_nand_ctrl->addr, NAND_STATUS_WP); + if (chip->options & NAND_BUSWIDTH_16) + setbits16(ifc_nand_ctrl->addr, NAND_STATUS_WP); + else + setbits8(ifc_nand_ctrl->addr, NAND_STATUS_WP); return; case NAND_CMD_RESET: @@ -637,7 +639,7 @@ static void fsl_ifc_write_buf(struct mtd_info *mtd, const u8 *buf, int len) len = bufsize - ifc_nand_ctrl->index; } - memcpy_toio(&ifc_nand_ctrl->addr[ifc_nand_ctrl->index], buf, len); + memcpy_toio(ifc_nand_ctrl->addr + ifc_nand_ctrl->index, buf, len); ifc_nand_ctrl->index += len; } @@ -649,13 +651,16 @@ static uint8_t fsl_ifc_read_byte(struct mtd_info *mtd) { struct nand_chip *chip = mtd->priv; struct fsl_ifc_mtd *priv = chip->priv; + unsigned int offset; /* * If there are still bytes in the IFC buffer, then use the * next byte. */ - if (ifc_nand_ctrl->index < ifc_nand_ctrl->read_bytes) - return in_8(&ifc_nand_ctrl->addr[ifc_nand_ctrl->index++]); + if (ifc_nand_ctrl->index < ifc_nand_ctrl->read_bytes) { + offset = ifc_nand_ctrl->index++; + return in_8(ifc_nand_ctrl->addr + offset); + } dev_err(priv->dev, "%s: beyond end of buffer\n", __func__); return ERR_BYTE; @@ -676,8 +681,7 @@ static uint8_t fsl_ifc_read_byte16(struct mtd_info *mtd) * next byte. */ if (ifc_nand_ctrl->index < ifc_nand_ctrl->read_bytes) { - data = in_be16((uint16_t __iomem *)&ifc_nand_ctrl-> - addr[ifc_nand_ctrl->index]); + data = in_be16(ifc_nand_ctrl->addr + ifc_nand_ctrl->index); ifc_nand_ctrl->index += 2; return (uint8_t) data; } @@ -702,7 +706,7 @@ static void fsl_ifc_read_buf(struct mtd_info *mtd, u8 *buf, int len) avail = min((unsigned int)len, ifc_nand_ctrl->read_bytes - ifc_nand_ctrl->index); - memcpy_fromio(buf, &ifc_nand_ctrl->addr[ifc_nand_ctrl->index], avail); + memcpy_fromio(buf, ifc_nand_ctrl->addr + ifc_nand_ctrl->index, avail); ifc_nand_ctrl->index += avail; if (len > avail) @@ -1060,7 +1064,6 @@ static int fsl_ifc_nand_probe(struct platform_device *dev) if (!fsl_ifc_ctrl_dev->nand) { ifc_nand_ctrl = kzalloc(sizeof(*ifc_nand_ctrl), GFP_KERNEL); if (!ifc_nand_ctrl) { - dev_err(&dev->dev, "failed to allocate memory\n"); mutex_unlock(&fsl_ifc_nand_mutex); return -ENOMEM; } @@ -1101,7 +1104,7 @@ static int fsl_ifc_nand_probe(struct platform_device *dev) IFC_NAND_EVTER_INTR_FTOERIR_EN | IFC_NAND_EVTER_INTR_WPERIR_EN, &ifc->ifc_nand.nand_evter_intr_en); - priv->mtd.name = kasprintf(GFP_KERNEL, "%x.flash", (unsigned)res.start); + priv->mtd.name = kasprintf(GFP_KERNEL, "%llx.flash", (u64)res.start); if (!priv->mtd.name) { ret = -ENOMEM; goto err; |