u-boot/onenand_ipl/onenand_ipl.h
Kyungmin Park 1bb707c39a Add Flex-OneNAND booting support
Flex-OneNAND is a monolithic integrated circuit with a NAND Flash array
using a NOR Flash interface. This on-chip integration enables system designers
to reduce external system logic and use high-density NAND Flash
in applications that would otherwise have to use more NOR components.

Flex-OneNAND enables users to configure to partition it into SLC and MLC areas
in more flexible way. While MLC area of Flex-OneNAND can be used to store data
that require low reliability and high density, SLC area of Flex-OneNAND
to store data that need high reliability and high performance. Flex-OneNAND
can let users take advantage of storing these two different types of data
into one chip, which is making Flex-OneNAND more cost- and space-effective.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2008-03-26 00:05:32 +01:00

44 lines
1.4 KiB
C

/*
* (C) Copyright 2005-2008 Samsung Electronics
* Kyungmin Park <kyungmin.park@samsung.com>
*
* 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
*/
#ifndef _ONENAND_IPL_H
#define _ONENAND_IPL_H
#include <linux/mtd/onenand_regs.h>
#define ONENAND_BLOCK_SIZE 2048
#ifndef CFG_PRINTF
#define printf(format, args...)
#endif
#define onenand_readw(a) readw(a)
#define onenand_writew(v, a) writew(v, a)
#define THIS_ONENAND(a) (CFG_ONENAND_BASE + (a))
#define READ_INTERRUPT() \
onenand_readw(THIS_ONENAND(ONENAND_REG_INTERRUPT))
#define ONENAND_PAGE_SIZE 2048
extern int onenand_read_block0(unsigned char *buf);
#endif