* (C) Copyright 2008
* Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
static u_char sc_nand_read_byte(struct mtd_info *mtd);
static u16 sc_nand_read_word(struct mtd_info *mtd);
static void sc_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len);
-static int sc_nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len);
static int sc_nand_device_ready(struct mtd_info *mtdinfo);
#define FPGA_NAND_CMD_MASK (0x7 << 28)
static void sc_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
{
int i;
- struct nand_chip *this = mtd->priv;
+ struct nand_chip *this = mtd_to_nand(mtd);
for (i = 0; i < len; i++) {
out_be32(this->IO_ADDR_W,
static void sc_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
{
int i;
- struct nand_chip *this = mtd->priv;
+ struct nand_chip *this = mtd_to_nand(mtd);
int val;
val = (state & FPGA_NAND_ENABLE) | FPGA_NAND_CMD_READ;
}
}
-/**
- * sc_nand_verify_buf - Verify chip data against buffer
- * @mtd: MTD device structure
- * @buf: buffer containing the data to compare
- * @len: number of bytes to compare
- */
-static int sc_nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
-{
- int i;
-
- for (i = 0; i < len; i++) {
- if (buf[i] != sc_nand_read_byte(mtd));
- return -EFAULT;
- }
- return 0;
-}
-
/**
* sc_nand_device_ready - Check the NAND device is ready for next command.
* @mtd: MTD device structure
*/
static int sc_nand_device_ready(struct mtd_info *mtdinfo)
{
- struct nand_chip *this = mtdinfo->priv;
+ struct nand_chip *this = mtd_to_nand(mtdinfo);
if (in_be32(this->IO_ADDR_W) & FPGA_NAND_BUSY)
return 0; /* busy */
nand->read_word = sc_nand_read_word;
nand->write_buf = sc_nand_write_buf;
nand->read_buf = sc_nand_read_buf;
- nand->verify_buf = sc_nand_verify_buf;
return 0;
}