mirror of
				https://source.denx.de/u-boot/u-boot.git
				synced 2025-11-04 02:11:25 +01:00 
			
		
		
		
	This patch adds support for Flex-OneNAND devices. Signed-off-by: Rohit Hagargundgi <h.rohit@samsung.com> Signed-off-by: Amul Kumar Saha <amul.saha@samsung.com>
		
			
				
	
	
		
			57 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 *  drivers/mtd/onenand/onenand_uboot.c
 | 
						|
 *
 | 
						|
 *  Copyright (C) 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 version 2 as
 | 
						|
 * published by the Free Software Foundation.
 | 
						|
 */
 | 
						|
 | 
						|
/*
 | 
						|
 * OneNAND initialization at U-Boot
 | 
						|
 */
 | 
						|
 | 
						|
#include <common.h>
 | 
						|
#include <linux/mtd/compat.h>
 | 
						|
#include <linux/mtd/mtd.h>
 | 
						|
#include <linux/mtd/onenand.h>
 | 
						|
 | 
						|
struct mtd_info onenand_mtd;
 | 
						|
struct onenand_chip onenand_chip;
 | 
						|
static __attribute__((unused)) char dev_name[] = "onenand0";
 | 
						|
 | 
						|
void onenand_init(void)
 | 
						|
{
 | 
						|
	memset(&onenand_mtd, 0, sizeof(struct mtd_info));
 | 
						|
	memset(&onenand_chip, 0, sizeof(struct onenand_chip));
 | 
						|
 | 
						|
	onenand_mtd.priv = &onenand_chip;
 | 
						|
 | 
						|
#ifdef CONFIG_USE_ONENAND_BOARD_INIT
 | 
						|
	/*
 | 
						|
	 * It's used for some board init required
 | 
						|
	 */
 | 
						|
	onenand_board_init(&onenand_mtd);
 | 
						|
#else
 | 
						|
	onenand_chip.base = (void *) CONFIG_SYS_ONENAND_BASE;
 | 
						|
#endif
 | 
						|
 | 
						|
	onenand_scan(&onenand_mtd, 1);
 | 
						|
 | 
						|
	if (onenand_chip.device_id & DEVICE_IS_FLEXONENAND)
 | 
						|
		puts("Flex-");
 | 
						|
	puts("OneNAND: ");
 | 
						|
	print_size(onenand_chip.chipsize, "\n");
 | 
						|
 | 
						|
#ifdef CONFIG_MTD_DEVICE
 | 
						|
	/*
 | 
						|
	 * Add MTD device so that we can reference it later
 | 
						|
	 * via the mtdcore infrastructure (e.g. ubi).
 | 
						|
	 */
 | 
						|
	onenand_mtd.name = dev_name;
 | 
						|
	add_mtd_device(&onenand_mtd);
 | 
						|
#endif
 | 
						|
}
 |