/*
* Overview:
- * Platform independend driver for NDFC (NanD Flash Controller)
+ * Platform independent driver for NDFC (NanD Flash Controller)
* integrated into IBM/AMCC PPC4xx cores
*
* (C) Copyright 2006-2009
static void ndfc_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
{
- struct nand_chip *this = mtd->priv;
+ struct nand_chip *this = mtd_to_nand(mtd);
ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
if (cmd == NAND_CMD_NONE)
static int ndfc_dev_ready(struct mtd_info *mtdinfo)
{
- struct nand_chip *this = mtdinfo->priv;
+ struct nand_chip *this = mtd_to_nand(mtdinfo);
ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
return (in_be32((u32 *)(base + NDFC_STAT)) & NDFC_STAT_IS_READY);
static void ndfc_enable_hwecc(struct mtd_info *mtdinfo, int mode)
{
- struct nand_chip *this = mtdinfo->priv;
+ struct nand_chip *this = mtd_to_nand(mtdinfo);
ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
u32 ccr;
static int ndfc_calculate_ecc(struct mtd_info *mtdinfo,
const u_char *dat, u_char *ecc_code)
{
- struct nand_chip *this = mtdinfo->priv;
+ struct nand_chip *this = mtd_to_nand(mtdinfo);
ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
u32 ecc;
u8 *p = (u8 *)&ecc;
*/
static void ndfc_read_buf(struct mtd_info *mtdinfo, uint8_t *buf, int len)
{
- struct nand_chip *this = mtdinfo->priv;
+ struct nand_chip *this = mtd_to_nand(mtdinfo);
ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
uint32_t *p = (uint32_t *) buf;
*/
static void ndfc_write_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len)
{
- struct nand_chip *this = mtdinfo->priv;
+ struct nand_chip *this = mtd_to_nand(mtdinfo);
ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
uint32_t *p = (uint32_t *) buf;
out_be32((u32 *)(base + NDFC_DATA), *p++);
}
-#if defined(CONFIG_MTD_NAND_VERIFY_WRITE)
-static int ndfc_verify_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len)
-{
- struct nand_chip *this = mtdinfo->priv;
- ulong base = (ulong) this->IO_ADDR_W & 0xffffff00;
- uint32_t *p = (uint32_t *) buf;
-
- for (; len > 0; len -= 4)
- if (*p++ != in_be32((u32 *)(base + NDFC_DATA)))
- return -1;
-
- return 0;
-}
-#endif
-
/*
* Read a byte from the NDFC.
*/
static uint8_t ndfc_read_byte(struct mtd_info *mtd)
{
- struct nand_chip *chip = mtd->priv;
+ struct nand_chip *chip = mtd_to_nand(mtd);
#ifdef CONFIG_SYS_NAND_BUSWIDTH_16BIT
return (uint8_t) readw(chip->IO_ADDR_R);
#endif
nand->write_buf = ndfc_write_buf;
-#if defined(CONFIG_MTD_NAND_VERIFY_WRITE)
- nand->verify_buf = ndfc_verify_buf;
-#endif
nand->read_byte = ndfc_read_byte;
chip++;