+// SPDX-License-Identifier: GPL-2.0+
/*
* FSL UPM NAND driver
*
* Copyright (C) 2007 MontaVista Software, Inc.
* Anton Vorontsov <avorontsov@ru.mvista.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
*/
#include <config.h>
#include <common.h>
#include <asm/io.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/fsl_upm.h>
#include <nand.h>
debug("unexpected busy state\n");
} else {
/*
- * If the R/B pin is not connected, like on the TQM8548,
+ * If the R/B pin is not connected,
* a short delay is necessary.
*/
udelay(1);
#if CONFIG_SYS_NAND_MAX_CHIPS > 1
static void fun_select_chip(struct mtd_info *mtd, int chip_nr)
{
- struct nand_chip *chip = mtd->priv;
- struct fsl_upm_nand *fun = chip->priv;
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ struct fsl_upm_nand *fun = nand_get_controller_data(chip);
if (chip_nr >= 0) {
fun->chip_nr = chip_nr;
static void fun_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
{
- struct nand_chip *chip = mtd->priv;
- struct fsl_upm_nand *fun = chip->priv;
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ struct fsl_upm_nand *fun = nand_get_controller_data(chip);
void __iomem *io_addr;
u32 mar;
fsl_upm_run_pattern(&fun->upm, fun->width, io_addr, mar);
/*
- * Some boards/chips needs this. At least the MPC8360E-RDK and
- * TQM8548 need it. Probably weird chip, because I don't see
- * any need for this on MPC8555E + Samsung K9F1G08U0A. Usually
+ * Some boards/chips needs this. At least the MPC8360E-RDK
+ * needs it. Probably weird chip, because I don't see any
+ * need for this on MPC8555E + Samsung K9F1G08U0A. Usually
* here are 0-2 unexpected busy states per block read.
*/
if (fun->wait_flags & FSL_UPM_WAIT_RUN_PATTERN)
fun_wait(fun);
}
-static u8 nand_read_byte(struct mtd_info *mtd)
+static u8 upm_nand_read_byte(struct mtd_info *mtd)
{
- struct nand_chip *chip = mtd->priv;
+ struct nand_chip *chip = mtd_to_nand(mtd);
return in_8(chip->IO_ADDR_R);
}
-static void nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
+static void upm_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
{
int i;
- struct nand_chip *chip = mtd->priv;
- struct fsl_upm_nand *fun = chip->priv;
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ struct fsl_upm_nand *fun = nand_get_controller_data(chip);
for (i = 0; i < len; i++) {
out_8(chip->IO_ADDR_W, buf[i]);
fun_wait(fun);
}
-static void nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
+static void upm_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
{
int i;
- struct nand_chip *chip = mtd->priv;
+ struct nand_chip *chip = mtd_to_nand(mtd);
for (i = 0; i < len; i++)
buf[i] = in_8(chip->IO_ADDR_R);
}
-static int nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
-{
- int i;
- struct nand_chip *chip = mtd->priv;
-
- for (i = 0; i < len; i++) {
- if (buf[i] != in_8(chip->IO_ADDR_R))
- return -EFAULT;
- }
-
- return 0;
-}
-
static int nand_dev_ready(struct mtd_info *mtd)
{
- struct nand_chip *chip = mtd->priv;
- struct fsl_upm_nand *fun = chip->priv;
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ struct fsl_upm_nand *fun = nand_get_controller_data(chip);
return fun->dev_ready(fun->chip_nr);
}
fun->last_ctrl = NAND_CLE;
- chip->priv = fun;
+ nand_set_controller_data(chip, fun);
chip->chip_delay = fun->chip_delay;
chip->ecc.mode = NAND_ECC_SOFT;
chip->cmd_ctrl = fun_cmd_ctrl;
#if CONFIG_SYS_NAND_MAX_CHIPS > 1
chip->select_chip = fun_select_chip;
#endif
- chip->read_byte = nand_read_byte;
- chip->read_buf = nand_read_buf;
- chip->write_buf = nand_write_buf;
- chip->verify_buf = nand_verify_buf;
+ chip->read_byte = upm_nand_read_byte;
+ chip->read_buf = upm_nand_read_buf;
+ chip->write_buf = upm_nand_write_buf;
if (fun->dev_ready)
chip->dev_ready = nand_dev_ready;