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								/*
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								 * AMD Alchemy DBAu1x00 Reference Boards
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								 *
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								 * Copyright 2001, 2008 MontaVista Software Inc.
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								 * Author: MontaVista Software, Inc. <source@mvista.com>
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								 * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
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								 *
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								 * ########################################################################
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								 *
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								 *  This program is free software; you can distribute it and/or modify it
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								 *  under the terms of the GNU General Public License (Version 2) as
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								 *  published by the Free Software Foundation.
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								 *
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								 *  This program is distributed in the hope it will be useful, but WITHOUT
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								 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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								 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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								 *  for more details.
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								 *
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								 *  You should have received a copy of the GNU General Public License along
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								 *  with this program; if not, write to the Free Software Foundation, Inc.,
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								 *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
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								 *
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								 * ########################################################################
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								 *
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											2005-09-03 15:56:17 -07:00
										 
									 
								 
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								 *
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								 */
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								#ifndef __ASM_DB1X00_H
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								#define __ASM_DB1X00_H
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											2008-02-24 20:03:42 +01:00
										 
									 
								 
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								#include <asm/mach-au1x00/au1xxx_psc.h>
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								#ifdef CONFIG_MIPS_DB1550
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								#define DBDMA_AC97_TX_CHAN	DSCR_CMD0_PSC1_TX
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								#define DBDMA_AC97_RX_CHAN	DSCR_CMD0_PSC1_RX
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								#define DBDMA_I2S_TX_CHAN	DSCR_CMD0_PSC3_TX
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								#define DBDMA_I2S_RX_CHAN	DSCR_CMD0_PSC3_RX
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								#define SPI_PSC_BASE		PSC0_BASE_ADDR
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								#define AC97_PSC_BASE		PSC1_BASE_ADDR
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								#define SMBUS_PSC_BASE		PSC2_BASE_ADDR
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								#define I2S_PSC_BASE		PSC3_BASE_ADDR
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								#define NAND_PHYS_ADDR		0x20000000
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								#endif
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								/*
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								 * NAND defines
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								 *
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								 * Timing values as described in databook, * ns value stripped of the
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								 * lower 2 bits.
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								 * These defines are here rather than an Au1550 generic file because
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								 * the parts chosen on another board may be different and may require
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								 * different timings.
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								 */
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								#define NAND_T_H		(18 >> 2)
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								#define NAND_T_PUL		(30 >> 2)
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								#define NAND_T_SU		(30 >> 2)
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								#define NAND_T_WH		(30 >> 2)
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								/* Bitfield shift amounts */
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								#define NAND_T_H_SHIFT		0
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								#define NAND_T_PUL_SHIFT	4
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								#define NAND_T_SU_SHIFT		8
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								#define NAND_T_WH_SHIFT		12
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								#define NAND_TIMING	(((NAND_T_H   & 0xF) << NAND_T_H_SHIFT)   | \
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											 ((NAND_T_PUL & 0xF) << NAND_T_PUL_SHIFT) | \
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											 ((NAND_T_SU  & 0xF) << NAND_T_SU_SHIFT)  | \
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											 ((NAND_T_WH  & 0xF) << NAND_T_WH_SHIFT))
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								#define NAND_CS 	1
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								/* Should be done by YAMON */
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								#define NAND_STCFG	0x00400005 /* 8-bit NAND */
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								#define NAND_STTIME	0x00007774 /* valid for 396 MHz SD=2 only */
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								#define NAND_STADDR	0x12000FFF /* physical address 0x20000000 */
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								#endif /* __ASM_DB1X00_H */
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