* (C) Copyright 2007
* Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.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>
/*
* hardware specific access to control-lines
*/
-static void esd405ep_nand_hwcontrol(struct mtd_info *mtdinfo, int cmd)
+static void esd405ep_nand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
{
- switch(cmd) {
- case NAND_CTL_SETCLE:
- out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CFG_NAND_CLE);
- break;
- case NAND_CTL_CLRCLE:
- out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CFG_NAND_CLE);
- break;
- case NAND_CTL_SETALE:
- out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CFG_NAND_ALE);
- break;
- case NAND_CTL_CLRALE:
- out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CFG_NAND_ALE);
- break;
- case NAND_CTL_SETNCE:
- out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CFG_NAND_CE);
- break;
- case NAND_CTL_CLRNCE:
- out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CFG_NAND_CE);
- break;
+ struct nand_chip *this = mtd->priv;
+ if (ctrl & NAND_CTRL_CHANGE) {
+ if ( ctrl & NAND_CLE )
+ out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CONFIG_SYS_NAND_CLE);
+ else
+ out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_NAND_CLE);
+ if ( ctrl & NAND_ALE )
+ out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CONFIG_SYS_NAND_ALE);
+ else
+ out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_NAND_ALE);
+ if ( ctrl & NAND_NCE )
+ out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_NAND_CE);
+ else
+ out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CONFIG_SYS_NAND_CE);
}
+
+ if (cmd != NAND_CMD_NONE)
+ writeb(cmd, this->IO_ADDR_W);
}
*/
static int esd405ep_nand_device_ready(struct mtd_info *mtdinfo)
{
- if (in_be32((void *)GPIO0_IR) & CFG_NAND_RDY)
+ if (in_be32((void *)GPIO0_IR) & CONFIG_SYS_NAND_RDY)
return 1;
return 0;
}
/*
* Set NAND-FLASH GPIO signals to defaults
*/
- out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~(CFG_NAND_CLE | CFG_NAND_ALE));
- out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CFG_NAND_CE);
+ out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~(CONFIG_SYS_NAND_CLE | CONFIG_SYS_NAND_ALE));
+ out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CONFIG_SYS_NAND_CE);
/*
* Initialize nand_chip structure
*/
- nand->hwcontrol = esd405ep_nand_hwcontrol;
+ nand->cmd_ctrl = esd405ep_nand_hwcontrol;
nand->dev_ready = esd405ep_nand_device_ready;
- nand->eccmode = NAND_ECC_SOFT;
+ nand->ecc.mode = NAND_ECC_SOFT;
nand->chip_delay = NAND_BIG_DELAY_US;
nand->options = NAND_SAMSUNG_LP_OPTIONS;
return 0;