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Diffstat (limited to 'board/atmel/at91sam9261ek/nand.c')
-rw-r--r--board/atmel/at91sam9261ek/nand.c78
1 files changed, 0 insertions, 78 deletions
diff --git a/board/atmel/at91sam9261ek/nand.c b/board/atmel/at91sam9261ek/nand.c
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--- a/board/atmel/at91sam9261ek/nand.c
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@@ -1,78 +0,0 @@
-/*
- * (C) Copyright 2007-2008
- * Stelian Pop <stelian.pop@leadtechdesign.com>
- * Lead Tech Design <www.leadtechdesign.com>
- *
- * (C) Copyright 2006 ATMEL Rousset, Lacressonniere Nicolas
- *
- * 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
- */
-
-#include <common.h>
-#include <asm/arch/at91sam9261.h>
-#include <asm/arch/gpio.h>
-#include <asm/arch/at91_pio.h>
-
-#include <nand.h>
-
-/*
- * hardware specific access to control-lines
- */
-#define MASK_ALE (1 << 22) /* our ALE is AD22 */
-#define MASK_CLE (1 << 21) /* our CLE is AD21 */
-
-static void at91sam9261ek_nand_hwcontrol(struct mtd_info *mtd,
- int cmd, unsigned int ctrl)
-{
- struct nand_chip *this = mtd->priv;
-
- if (ctrl & NAND_CTRL_CHANGE) {
- ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
- IO_ADDR_W &= ~(MASK_ALE | MASK_CLE);
-
- if (ctrl & NAND_CLE)
- IO_ADDR_W |= MASK_CLE;
- if (ctrl & NAND_ALE)
- IO_ADDR_W |= MASK_ALE;
-
- at91_set_gpio_value(AT91_PIN_PC14, !(ctrl & NAND_NCE));
- this->IO_ADDR_W = (void *) IO_ADDR_W;
- }
-
- if (cmd != NAND_CMD_NONE)
- writeb(cmd, this->IO_ADDR_W);
-}
-
-static int at91sam9261ek_nand_ready(struct mtd_info *mtd)
-{
- return at91_get_gpio_value(AT91_PIN_PC15);
-}
-
-int board_nand_init(struct nand_chip *nand)
-{
- nand->ecc.mode = NAND_ECC_SOFT;
-#ifdef CONFIG_SYS_NAND_DBW_16
- nand->options = NAND_BUSWIDTH_16;
-#endif
- nand->cmd_ctrl = at91sam9261ek_nand_hwcontrol;
- nand->dev_ready = at91sam9261ek_nand_ready;
- nand->chip_delay = 20;
-
- return 0;
-}