* (C) Copyright 2008
* Gary Jennejohn, DENX Software Engineering GmbH, garyj@denx.de
*
- * 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>
#include <config.h>
#if defined(CONFIG_CMD_NAND)
-#include <asm/gpio.h>
+#include <asm/ppc4xx-gpio.h>
+#include <asm/io.h>
#include <nand.h>
/*
* hardware specific access to control-lines
*/
-static void quad100hd_hwcontrol(struct mtd_info *mtd, int cmd)
+static void quad100hd_hwcontrol(struct mtd_info *mtd,
+ int cmd, unsigned int ctrl)
{
- switch(cmd) {
- case NAND_CTL_SETCLE:
- gpio_write_bit(CFG_NAND_CLE, 1);
- break;
- case NAND_CTL_CLRCLE:
- gpio_write_bit(CFG_NAND_CLE, 0);
- break;
+ struct nand_chip *this = mtd->priv;
- case NAND_CTL_SETALE:
- gpio_write_bit(CFG_NAND_ALE, 1);
- break;
- case NAND_CTL_CLRALE:
- gpio_write_bit(CFG_NAND_ALE, 0);
- break;
-
- case NAND_CTL_SETNCE:
- gpio_write_bit(CFG_NAND_CE, 0);
- break;
- case NAND_CTL_CLRNCE:
- gpio_write_bit(CFG_NAND_CE, 1);
- break;
+ if (ctrl & NAND_CTRL_CHANGE) {
+ gpio_write_bit(CONFIG_SYS_NAND_CLE, !!(ctrl & NAND_CLE));
+ gpio_write_bit(CONFIG_SYS_NAND_ALE, !!(ctrl & NAND_ALE));
+ gpio_write_bit(CONFIG_SYS_NAND_CE, !(ctrl & NAND_NCE));
}
+
+ if (cmd != NAND_CMD_NONE)
+ writeb(cmd, this->IO_ADDR_W);
}
static int quad100hd_nand_ready(struct mtd_info *mtd)
{
- return gpio_read_in_bit(CFG_NAND_RDY);
+ return gpio_read_in_bit(CONFIG_SYS_NAND_RDY);
}
/*
int board_nand_init(struct nand_chip *nand)
{
/* Set address of hardware control function */
- nand->hwcontrol = quad100hd_hwcontrol;
+ nand->cmd_ctrl = quad100hd_hwcontrol;
nand->dev_ready = quad100hd_nand_ready;
- nand->eccmode = NAND_ECC_SOFT;
+ nand->ecc.mode = NAND_ECC_SOFT;
/* 15 us command delay time */
nand->chip_delay = 20;