Commit 0fc4f64c authored by Ladislav Michl's avatar Ladislav Michl Committed by Jean-Christophe PLAGNIOL-VILLARD
Browse files

NetStar: fix NAND



Fix NAND support broken during new NAND code merge. Move those few lines of
code to board/netstar/netstar.c
Signed-off-by: default avatarLadislav Michl <ladis@linux-mips.org>
parent 89c00fb1
......@@ -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 \
......
/*
* (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
......@@ -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
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