diff options
Diffstat (limited to 'drivers/mtd/nand/tegra_nand.c')
| -rw-r--r-- | drivers/mtd/nand/tegra_nand.c | 48 |
1 files changed, 17 insertions, 31 deletions
diff --git a/drivers/mtd/nand/tegra_nand.c b/drivers/mtd/nand/tegra_nand.c index a77db7b65d..2032f65812 100644 --- a/drivers/mtd/nand/tegra_nand.c +++ b/drivers/mtd/nand/tegra_nand.c @@ -143,10 +143,10 @@ static int nand_waitfor_cmd_completion(struct nand_ctlr *reg) */ static uint8_t read_byte(struct mtd_info *mtd) { - struct nand_chip *chip = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); struct nand_drv *info; - info = (struct nand_drv *)chip->priv; + info = (struct nand_drv *)nand_get_controller_data(chip); writel(CMD_GO | CMD_PIO | CMD_RX | CMD_CE0 | CMD_A_VALID, &info->reg->command); @@ -169,8 +169,8 @@ static void read_buf(struct mtd_info *mtd, uint8_t *buf, int len) { int i, s; unsigned int reg; - struct nand_chip *chip = mtd->priv; - struct nand_drv *info = (struct nand_drv *)chip->priv; + struct nand_chip *chip = mtd_to_nand(mtd); + struct nand_drv *info = (struct nand_drv *)nand_get_controller_data(chip); for (i = 0; i < len; i += 4) { s = (len - i) > 4 ? 4 : len - i; @@ -194,11 +194,11 @@ static void read_buf(struct mtd_info *mtd, uint8_t *buf, int len) */ static int nand_dev_ready(struct mtd_info *mtd) { - struct nand_chip *chip = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); int reg_val; struct nand_drv *info; - info = (struct nand_drv *)chip->priv; + info = (struct nand_drv *)nand_get_controller_data(chip); reg_val = readl(&info->reg->status); if (reg_val & STATUS_RBSY0) @@ -245,10 +245,10 @@ static void nand_clear_interrupt_status(struct nand_ctlr *reg) static void nand_command(struct mtd_info *mtd, unsigned int command, int column, int page_addr) { - struct nand_chip *chip = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); struct nand_drv *info; - info = (struct nand_drv *)chip->priv; + info = (struct nand_drv *)nand_get_controller_data(chip); /* * Write out the command to the device. @@ -512,7 +512,7 @@ static int nand_rw_page(struct mtd_info *mtd, struct nand_chip *chip, return -EINVAL; } - info = (struct nand_drv *)chip->priv; + info = (struct nand_drv *)nand_get_controller_data(chip); config = &info->config; if (set_bus_width_page_size(config, ®_val)) return -EINVAL; @@ -657,16 +657,9 @@ static int nand_read_page_hwecc(struct mtd_info *mtd, * @param buf data buffer */ static int nand_write_page_hwecc(struct mtd_info *mtd, - struct nand_chip *chip, const uint8_t *buf, int oob_required) + struct nand_chip *chip, const uint8_t *buf, int oob_required, + int page) { - int page; - struct nand_drv *info; - - info = (struct nand_drv *)chip->priv; - - page = (readl(&info->reg->addr_reg1) >> 16) | - (readl(&info->reg->addr_reg2) << 16); - nand_rw_page(mtd, chip, (uint8_t *)buf, page, 1, 1); return 0; } @@ -697,15 +690,9 @@ static int nand_read_page_raw(struct mtd_info *mtd, * @param buf data buffer */ static int nand_write_page_raw(struct mtd_info *mtd, - struct nand_chip *chip, const uint8_t *buf, int oob_required) + struct nand_chip *chip, const uint8_t *buf, + int oob_required, int page) { - int page; - struct nand_drv *info; - - info = (struct nand_drv *)chip->priv; - page = (readl(&info->reg->addr_reg1) >> 16) | - (readl(&info->reg->addr_reg2) << 16); - nand_rw_page(mtd, chip, (uint8_t *)buf, page, 0, 1); return 0; } @@ -734,7 +721,7 @@ static int nand_rw_oob(struct mtd_info *mtd, struct nand_chip *chip, if (((int)chip->oob_poi) & 0x03) return -EINVAL; - info = (struct nand_drv *)chip->priv; + info = (struct nand_drv *)nand_get_controller_data(chip); if (set_bus_width_page_size(&info->config, ®_val)) return -EINVAL; @@ -963,7 +950,7 @@ int tegra_nand_init(struct nand_chip *nand, int devnum) nand->ecc.strength = 1; nand->select_chip = nand_select_chip; nand->dev_ready = nand_dev_ready; - nand->priv = &nand_ctrl; + nand_set_controller_data(nand, &nand_ctrl); /* Disable subpage writes as we do not provide ecc->hwctl */ nand->options |= NAND_NO_SUBPAGE_WRITE; @@ -976,8 +963,7 @@ int tegra_nand_init(struct nand_chip *nand, int devnum) dm_gpio_set_value(&config->wp_gpio, 1); - our_mtd = &nand_info[devnum]; - our_mtd->priv = nand; + our_mtd = nand_to_mtd(nand); ret = nand_scan_ident(our_mtd, CONFIG_SYS_NAND_MAX_CHIPS, NULL); if (ret) return ret; @@ -989,7 +975,7 @@ int tegra_nand_init(struct nand_chip *nand, int devnum) if (ret) return ret; - ret = nand_register(devnum); + ret = nand_register(devnum, our_mtd); if (ret) return ret; |