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/*
* $Id$
*
* ADM5120 MPMC (Multiport Memory Controller) register definitions
*
* Copyright (C) 2007 OpenWrt.org
* Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
*
* 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 _ADM5120_MPMC_H_
#define _ADM5120_MPMC_H_
#define MPMC_REG_CTRL 0x0000
#define MPMC_REG_STATUS 0x0004
#define MPMC_REG_CONF 0x0008
#define MPMC_REG_DC 0x0020
#define MPMC_REG_DR 0x0024
#define MPMC_REG_DRP 0x0030
#define MPMC_REG_DC0 0x0100
#define MPMC_REG_DRC0 0x0104
#define MPMC_REG_DC1 0x0120
#define MPMC_REG_DRC1 0x0124
#define MPMC_REG_DC2 0x0140
#define MPMC_REG_DRC2 0x0144
#define MPMC_REG_DC3 0x0160
#define MPMC_REG_DRC3 0x0164
#define MPMC_REG_SC0 0x0200 /* for F_CS1_N */
#define MPMC_REG_SC1 0x0220 /* for F_CS0_N */
#define MPMC_REG_SC2 0x0240
#define MPMC_REG_SC3 0x0260
#define MPMC_CTRL_AM ( 1 << 1 )
/* Dynamic Control register bits */
#define MPMC_DC_CE ( 1 << 0 )
#define MPMC_DC_DMC ( 1 << 1 )
#define MPMC_DC_SRR ( 1 << 2 )
#define MPMC_DC_SI_SHIFT 7
#define MPMC_DC_SI_MASK ( 3 << 7 )
#define MPMC_DC_SI_NORMAL ( 0 << 7 )
#define MPMC_DC_SI_MODE ( 1 << 7 )
#define MPMC_DC_SI_PALL ( 2 << 7 )
#define MPMC_DC_SI_NOP ( 3 << 7 )
#define SRAM_REG_CONF 0x00
#define SRAM_REG_WWE 0x04
#define SRAM_REG_WOE 0x08
#define SRAM_REG_WRD 0x0C
#define SRAM_REG_WPG 0x10
#define SRAM_REG_WWR 0x14
#define SRAM_REG_WTR 0x18
/* Dynamic Configuration register bits */
#define DC_BE (1 << 19) /* buffer enable */
#define DC_RW_SHIFT 28 /* shift for number of rows */
#define DC_RW_MASK 0x03
#define DC_NB_SHIFT 26 /* shift for number of banks */
#define DC_NB_MASK 0x01
#define DC_CW_SHIFT 22 /* shift for number of columns */
#define DC_CW_MASK 0x07
#define DC_DW_SHIFT 7 /* shift for device width */
#define DC_DW_MASK 0x03
/* Static Configuration register bits */
#define SC_MW_MASK 0x03 /* memory width mask */
#define SC_MW_8 0x00 /* 8 bit memory width */
#define SC_MW_16 0x01 /* 16 bit memory width */
#define SC_MW_32 0x02 /* 32 bit memory width */
#endif /* _ADM5120_MPMC_H_ */
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