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Commit 45dfc1a0 authored by Huang Shijie's avatar Huang Shijie Committed by Artem Bityutskiy
Browse files

mtd: add helper functions library and header files for GPMI NAND driver



bch-regs.h : registers file for BCH module
gpmi-regs.h: registers file for GPMI module
gpmi-lib.c: helper functions library.

Signed-off-by: default avatarHuang Shijie <b32955@freescale.com>
Acked-by: default avatarMarek Vasut <marek.vasut@gmail.com>
Tested-by: default avatarKoen Beel <koen.beel@barco.com>
Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@intel.com>
parent 4d523b60
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/*
 * Freescale GPMI NAND Flash Driver
 *
 * Copyright 2008-2011 Freescale Semiconductor, Inc.
 * Copyright 2008 Embedded Alley Solutions, Inc.
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
#ifndef __GPMI_NAND_BCH_REGS_H
#define __GPMI_NAND_BCH_REGS_H

#define HW_BCH_CTRL				0x00000000
#define HW_BCH_CTRL_SET				0x00000004
#define HW_BCH_CTRL_CLR				0x00000008
#define HW_BCH_CTRL_TOG				0x0000000c

#define BM_BCH_CTRL_COMPLETE_IRQ_EN		(1 << 8)
#define BM_BCH_CTRL_COMPLETE_IRQ		(1 << 0)

#define HW_BCH_STATUS0				0x00000010
#define HW_BCH_MODE				0x00000020
#define HW_BCH_ENCODEPTR			0x00000030
#define HW_BCH_DATAPTR				0x00000040
#define HW_BCH_METAPTR				0x00000050
#define HW_BCH_LAYOUTSELECT			0x00000070

#define HW_BCH_FLASH0LAYOUT0			0x00000080

#define BP_BCH_FLASH0LAYOUT0_NBLOCKS		24
#define BM_BCH_FLASH0LAYOUT0_NBLOCKS	(0xff << BP_BCH_FLASH0LAYOUT0_NBLOCKS)
#define BF_BCH_FLASH0LAYOUT0_NBLOCKS(v)		\
	(((v) << BP_BCH_FLASH0LAYOUT0_NBLOCKS) & BM_BCH_FLASH0LAYOUT0_NBLOCKS)

#define BP_BCH_FLASH0LAYOUT0_META_SIZE		16
#define BM_BCH_FLASH0LAYOUT0_META_SIZE	(0xff << BP_BCH_FLASH0LAYOUT0_META_SIZE)
#define BF_BCH_FLASH0LAYOUT0_META_SIZE(v)	\
	(((v) << BP_BCH_FLASH0LAYOUT0_META_SIZE)\
					 & BM_BCH_FLASH0LAYOUT0_META_SIZE)

#define BP_BCH_FLASH0LAYOUT0_ECC0		12
#define BM_BCH_FLASH0LAYOUT0_ECC0	(0xf << BP_BCH_FLASH0LAYOUT0_ECC0)
#define BF_BCH_FLASH0LAYOUT0_ECC0(v)		\
	(((v) << BP_BCH_FLASH0LAYOUT0_ECC0) & BM_BCH_FLASH0LAYOUT0_ECC0)

#define BP_BCH_FLASH0LAYOUT0_DATA0_SIZE		0
#define BM_BCH_FLASH0LAYOUT0_DATA0_SIZE		\
			(0xfff << BP_BCH_FLASH0LAYOUT0_DATA0_SIZE)
#define BF_BCH_FLASH0LAYOUT0_DATA0_SIZE(v)	\
	(((v) << BP_BCH_FLASH0LAYOUT0_DATA0_SIZE)\
					 & BM_BCH_FLASH0LAYOUT0_DATA0_SIZE)

#define HW_BCH_FLASH0LAYOUT1			0x00000090

#define BP_BCH_FLASH0LAYOUT1_PAGE_SIZE		16
#define BM_BCH_FLASH0LAYOUT1_PAGE_SIZE		\
			(0xffff << BP_BCH_FLASH0LAYOUT1_PAGE_SIZE)
#define BF_BCH_FLASH0LAYOUT1_PAGE_SIZE(v)	\
	(((v) << BP_BCH_FLASH0LAYOUT1_PAGE_SIZE) \
					 & BM_BCH_FLASH0LAYOUT1_PAGE_SIZE)

#define BP_BCH_FLASH0LAYOUT1_ECCN		12
#define BM_BCH_FLASH0LAYOUT1_ECCN	(0xf << BP_BCH_FLASH0LAYOUT1_ECCN)
#define BF_BCH_FLASH0LAYOUT1_ECCN(v)		\
	(((v) << BP_BCH_FLASH0LAYOUT1_ECCN) & BM_BCH_FLASH0LAYOUT1_ECCN)

#define BP_BCH_FLASH0LAYOUT1_DATAN_SIZE		0
#define BM_BCH_FLASH0LAYOUT1_DATAN_SIZE		\
			(0xfff << BP_BCH_FLASH0LAYOUT1_DATAN_SIZE)
#define BF_BCH_FLASH0LAYOUT1_DATAN_SIZE(v)	\
	(((v) << BP_BCH_FLASH0LAYOUT1_DATAN_SIZE) \
					 & BM_BCH_FLASH0LAYOUT1_DATAN_SIZE)
#endif