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/* mc.h -- Simulation of Memory Controller
	 Copyright (C) 2001 by Marko Mlinar, markom@opencores.org
 
	 This file is part of OpenRISC 1000 Architectural Simulator.
 
	 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
 
/* Prototypes */
#ifndef __MC_H
#define __MC_H
 
#define N_CE        (8)
 
#define MC_CSR      (0x00)
#define MC_POC      (0x04)
#define MC_BA_MASK  (0x08)
#define MC_CSC(i)   (0x10 + (i) * 8)
#define MC_TMS(i)   (0x14 + (i) * 8)
 
#define MC_ADDR_SPACE (MC_CSC(N_CE))
 
/* POC register field definition */
#define MC_POC_EN_BW_OFFSET	0
#define MC_POC_EN_BW_WIDTH	2
#define MC_POC_EN_MEMTYPE_OFFSET	2
#define MC_POC_EN_MEMTYPE_WIDTH	2
 
/* CSC register field definition */
#define MC_CSC_EN_OFFSET	0
#define MC_CSC_MEMTYPE_OFFSET	1
#define MC_CSC_MEMTYPE_WIDTH	2
#define MC_CSC_BW_OFFSET	4
#define MC_CSC_BW_WIDTH		2
#define MC_CSC_MS_OFFSET	6
#define MC_CSC_MS_WIDTH		2
#define MC_CSC_WP_OFFSET	8
#define MC_CSC_BAS_OFFSET	9
#define MC_CSC_KRO_OFFSET	10
#define MC_CSC_PEN_OFFSET	11
#define MC_CSC_SEL_OFFSET	16
#define MC_CSC_SEL_WIDTH	8
 
#define MC_CSC_MEMTYPE_SDRAM  0
#define MC_CSC_MEMTYPE_SSRAM  1
#define MC_CSC_MEMTYPE_ASYNC  2
#define MC_CSC_MEMTYPE_SYNC   3
 
#define MC_CSR_VALID		0xFF000703LU
#define MC_POC_VALID		0x0000000FLU
#define MC_BA_MASK_VALID	0x000000FFLU
#define MC_CSC_VALID		0x00FF0FFFLU
#define MC_TMS_SDRAM_VALID	0x0FFF83FFLU
#define MC_TMS_SSRAM_VALID	0x00000000LU
#define MC_TMS_ASYNC_VALID	0x03FFFFFFLU
#define MC_TMS_SYNC_VALID	0x01FFFFFFLU
#define MC_TMS_VALID		0xFFFFFFFFLU /* reg test compat. */
 
/* TMS register field definition SDRAM */
#define MC_TMS_SDRAM_TRFC_OFFSET	24
#define MC_TMS_SDRAM_TRFC_WIDTH		4
#define MC_TMS_SDRAM_TRP_OFFSET		20
#define MC_TMS_SDRAM_TRP_WIDTH		4
#define MC_TMS_SDRAM_TRCD_OFFSET	17
#define MC_TMS_SDRAM_TRCD_WIDTH		4
#define MC_TMS_SDRAM_TWR_OFFSET		15
#define MC_TMS_SDRAM_TWR_WIDTH		2
#define MC_TMS_SDRAM_WBL_OFFSET		9
#define MC_TMS_SDRAM_OM_OFFSET		7
#define MC_TMS_SDRAM_OM_WIDTH		2
#define MC_TMS_SDRAM_CL_OFFSET		4
#define MC_TMS_SDRAM_CL_WIDTH		3
#define MC_TMS_SDRAM_BT_OFFSET		3
#define MC_TMS_SDRAM_BL_OFFSET		0
#define MC_TMS_SDRAM_BL_WIDTH		3
 
/* TMS register field definition ASYNC */
#define MC_TMS_ASYNC_TWWD_OFFSET	20
#define MC_TMS_ASYNC_TWWD_WIDTH		6
#define MC_TMS_ASYNC_TWD_OFFSET		16
#define MC_TMS_ASYNC_TWD_WIDTH		4
#define MC_TMS_ASYNC_TWPW_OFFSET	12
#define MC_TMS_ASYNC_TWPW_WIDTH		4
#define MC_TMS_ASYNC_TRDZ_OFFSET	8
#define MC_TMS_ASYNC_TRDZ_WIDTH		4
#define MC_TMS_ASYNC_TRDV_OFFSET	0
#define MC_TMS_ASYNC_TRDV_WIDTH		8
 
/* TMS register field definition SYNC  */
#define MC_TMS_SYNC_TTO_OFFSET		16
#define MC_TMS_SYNC_TTO_WIDTH		9
#define MC_TMS_SYNC_TWR_OFFSET		12
#define MC_TMS_SYNC_TWR_WIDTH		4
#define MC_TMS_SYNC_TRDZ_OFFSET		8
#define MC_TMS_SYNC_TRDZ_WIDTH		4
#define MC_TMS_SYNC_TRDV_OFFSET		0
#define MC_TMS_SYNC_TRDV_WIDTH		8
 
#endif