diff options
Diffstat (limited to 'board/netstar')
| -rw-r--r-- | board/netstar/Makefile | 2 | ||||
| -rw-r--r-- | board/netstar/nand.c | 62 | ||||
| -rw-r--r-- | board/netstar/netstar.c | 36 |
3 files changed, 37 insertions, 63 deletions
diff --git a/board/netstar/Makefile b/board/netstar/Makefile index ba9d6c8..11a952b 100644 --- a/board/netstar/Makefile +++ b/board/netstar/Makefile @@ -28,7 +28,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).a -COBJS := netstar.o nand.o +COBJS := netstar.o SOBJS := setup.o crcek.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) eeprom.c \ diff --git a/board/netstar/nand.c b/board/netstar/nand.c deleted file mode 100644 index e3ab66f..0000000 --- a/board/netstar/nand.c +++ /dev/null @@ -1,62 +0,0 @@ -/* - * (C) Copyright 2005 2N TELEKOMUNIKACE, Ladislav Michl - * - * 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/io.h> - -#if defined(CONFIG_CMD_NAND) - -#include <nand.h> - -/* - * hardware specific access to control-lines - */ -#define MASK_CLE 0x02 -#define MASK_ALE 0x04 - -static void netstar_nand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl) -{ - struct nand_chip *this = mtd->priv; - ulong IO_ADDR_W = (ulong) this->IO_ADDR_W; - - IO_ADDR_W &= ~(MASK_ALE|MASK_CLE); - if (ctrl & NAND_CTRL_CHANGE) { - if ( ctrl & NAND_CLE ) - IO_ADDR_W |= MASK_CLE; - if ( ctrl & NAND_ALE ) - IO_ADDR_W |= MASK_ALE; - } - this->IO_ADDR_W = (void __iomem *) IO_ADDR_W; - - if (cmd != NAND_CMD_NONE) - writeb(cmd, this->IO_ADDR_W); -} - -int board_nand_init(struct nand_chip *nand) -{ - nand->options = NAND_SAMSUNG_LP_OPTIONS; - nand->ecc.mode = NAND_ECC_SOFT; - nand->cmd_ctrl = netstar_nand_hwcontrol; - nand->chip_delay = 400; - return 0; -} -#endif diff --git a/board/netstar/netstar.c b/board/netstar/netstar.c index 19a70ef..ee4f2cd 100644 --- a/board/netstar/netstar.c +++ b/board/netstar/netstar.c @@ -23,6 +23,9 @@ #include <common.h> #include <i2c.h> #include <flash.h> +#include <nand.h> + +#include <asm/io.h> DECLARE_GLOBAL_DATA_PTR; @@ -79,3 +82,36 @@ ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t * info) return 0; } #endif + +#if defined(CONFIG_CMD_NAND) +/* + * hardware specific access to control-lines + * + * NAND_NCE: bit 0 - don't care + * NAND_CLE: bit 1 -> bit 1 (0x0002) + * NAND_ALE: bit 2 -> bit 2 (0x0004) + */ +static void netstar_nand_hwcontrol(struct mtd_info *mtd, int cmd, + unsigned int ctrl) +{ + struct nand_chip *chip = mtd->priv; + unsigned long mask; + + if (cmd == NAND_CMD_NONE) + return; + + mask = (ctrl & NAND_CLE) ? 0x02 : 0; + if (ctrl & NAND_ALE) + mask |= 0x04; + writeb(cmd, (unsigned long)chip->IO_ADDR_W | mask); +} + +int board_nand_init(struct nand_chip *nand) +{ + nand->options = NAND_SAMSUNG_LP_OPTIONS; + nand->ecc.mode = NAND_ECC_SOFT; + nand->cmd_ctrl = netstar_nand_hwcontrol; + nand->chip_delay = 400; + return 0; +} +#endif |