/* * (C) Copyright 2009 Faraday Technology * Po-Yu Chuang <ratbert@faraday-tech.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., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* * SDRAM Controller */ #ifndef __FTSDMC020_H #define __FTSDMC020_H #define FTSDMC020_OFFSET_TP0 0x00 #define FTSDMC020_OFFSET_TP1 0x04 #define FTSDMC020_OFFSET_CR 0x08 #define FTSDMC020_OFFSET_BANK0_BSR 0x0C #define FTSDMC020_OFFSET_BANK1_BSR 0x10 #define FTSDMC020_OFFSET_BANK2_BSR 0x14 #define FTSDMC020_OFFSET_BANK3_BSR 0x18 #define FTSDMC020_OFFSET_BANK4_BSR 0x1C #define FTSDMC020_OFFSET_BANK5_BSR 0x20 #define FTSDMC020_OFFSET_BANK6_BSR 0x24 #define FTSDMC020_OFFSET_BANK7_BSR 0x28 #define FTSDMC020_OFFSET_ACR 0x34 /* * Timing Parametet 0 Register */ #define FTSDMC020_TP0_TCL(x) ((x) & 0x3) #define FTSDMC020_TP0_TWR(x) (((x) & 0x3) << 4) #define FTSDMC020_TP0_TRF(x) (((x) & 0xf) << 8) #define FTSDMC020_TP0_TRCD(x) (((x) & 0x7) << 12) #define FTSDMC020_TP0_TRP(x) (((x) & 0xf) << 16) #define FTSDMC020_TP0_TRAS(x) (((x) & 0xf) << 20) /* * Timing Parametet 1 Register */ #define FTSDMC020_TP1_REF_INTV(x) ((x) & 0xffff) #define FTSDMC020_TP1_INI_REFT(x) (((x) & 0xf) << 16) #define FTSDMC020_TP1_INI_PREC(x) (((x) & 0xf) << 20) /* * Configuration Register */ #define FTSDMC020_CR_SREF (1 << 0) #define FTSDMC020_CR_PWDN (1 << 1) #define FTSDMC020_CR_ISMR (1 << 2) #define FTSDMC020_CR_IREF (1 << 3) #define FTSDMC020_CR_IPREC (1 << 4) #define FTSDMC020_CR_REFTYPE (1 << 5) /* * SDRAM External Bank Base/Size Register */ #define FTSDMC020_BANK_ENABLE (1 << 28) #define FTSDMC020_BANK_BASE(addr) (((addr) >> 20) << 16) #define FTSDMC020_BANK_DDW_X4 (0 << 12) #define FTSDMC020_BANK_DDW_X8 (1 << 12) #define FTSDMC020_BANK_DDW_X16 (2 << 12) #define FTSDMC020_BANK_DDW_X32 (3 << 12) #define FTSDMC020_BANK_DSZ_16M (0 << 8) #define FTSDMC020_BANK_DSZ_64M (1 << 8) #define FTSDMC020_BANK_DSZ_128M (2 << 8) #define FTSDMC020_BANK_DSZ_256M (3 << 8) #define FTSDMC020_BANK_MBW_8 (0 << 4) #define FTSDMC020_BANK_MBW_16 (1 << 4) #define FTSDMC020_BANK_MBW_32 (2 << 4) #define FTSDMC020_BANK_SIZE_1M 0x0 #define FTSDMC020_BANK_SIZE_2M 0x1 #define FTSDMC020_BANK_SIZE_4M 0x2 #define FTSDMC020_BANK_SIZE_8M 0x3 #define FTSDMC020_BANK_SIZE_16M 0x4 #define FTSDMC020_BANK_SIZE_32M 0x5 #define FTSDMC020_BANK_SIZE_64M 0x6 #define FTSDMC020_BANK_SIZE_128M 0x7 #define FTSDMC020_BANK_SIZE_256M 0x8 /* * Arbiter Control Register */ #define FTSDMC020_ACR_TOC(x) ((x) & 0x1f) #define FTSDMC020_ACR_TOE (1 << 8) #endif /* __FTSDMC020_H */