diff options
Diffstat (limited to 'board/atmel/at91sam9rlek/nand.c')
-rw-r--r-- | board/atmel/at91sam9rlek/nand.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/board/atmel/at91sam9rlek/nand.c b/board/atmel/at91sam9rlek/nand.c deleted file mode 100644 index 625f6ec9bc3..00000000000 --- a/board/atmel/at91sam9rlek/nand.c +++ /dev/null @@ -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/at91sam9rl.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 << 21) /* our ALE is AD21 */ -#define MASK_CLE (1 << 22) /* our CLE is AD22 */ - -static void at91sam9rlek_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_PB6, !(ctrl & NAND_NCE)); - this->IO_ADDR_W = (void *) IO_ADDR_W; - } - - if (cmd != NAND_CMD_NONE) - writeb(cmd, this->IO_ADDR_W); -} - -static int at91sam9rlek_nand_ready(struct mtd_info *mtd) -{ - return at91_get_gpio_value(AT91_PIN_PD17); -} - -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 = at91sam9rlek_nand_hwcontrol; - nand->dev_ready = at91sam9rlek_nand_ready; - nand->chip_delay = 20; - - return 0; -} |