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/* * arch/arm/mach-ks8695/include/mach/regs-mem.h * * Copyright (C) 2006 Andrew Victor * * KS8695 - Memory Controller registers and bit definitions * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ #ifndef KS8695_MEM_H #define KS8695_MEM_H #define KS8695_MEM_OFFSET (0xF0000 + 0x4000) #define KS8695_MEM_VA (KS8695_IO_VA + KS8695_MEM_OFFSET) #define KS8695_MEM_PA (KS8695_IO_PA + KS8695_MEM_OFFSET) /* * Memory Controller Registers */ #define KS8695_EXTACON0 (0x00) /* External I/O 0 Access Control */ #define KS8695_EXTACON1 (0x04) /* External I/O 1 Access Control */ #define KS8695_EXTACON2 (0x08) /* External I/O 2 Access Control */ #define KS8695_ROMCON0 (0x10) /* ROM/SRAM/Flash 1 Control Register */ #define KS8695_ROMCON1 (0x14) /* ROM/SRAM/Flash 2 Control Register */ #define KS8695_ERGCON (0x20) /* External I/O and ROM/SRAM/Flash General Register */ #define KS8695_SDCON0 (0x30) /* SDRAM Control Register 0 */ #define KS8695_SDCON1 (0x34) /* SDRAM Control Register 1 */ #define KS8695_SDGCON (0x38) /* SDRAM General Control */ #define KS8695_SDBCON (0x3c) /* SDRAM Buffer Control */ #define KS8695_REFTIM (0x40) /* SDRAM Refresh Timer */ /* External I/O Access Control Registers */ #define EXTACON_EBNPTR (0x3ff << 22) /* Last Address Pointer */ #define EXTACON_EBBPTR (0x3ff << 12) /* Base Pointer */ #define EXTACON_EBTACT (7 << 9) /* Write Enable/Output Enable Active Time */ #define EXTACON_EBTCOH (7 << 6) /* Chip Select Hold Time */ #define EXTACON_EBTACS (7 << 3) /* Address Setup Time before ECSN */ #define EXTACON_EBTCOS (7 << 0) /* Chip Select Time before OEN */ /* ROM/SRAM/Flash Control Register */ #define ROMCON_RBNPTR (0x3ff << 22) /* Next Pointer */ #define ROMCON_RBBPTR (0x3ff << 12) /* Base Pointer */ #define ROMCON_RBTACC (7 << 4) /* Access Cycle Time */ #define ROMCON_RBTPA (3 << 2) /* Page Address Access Time */ #define ROMCON_PMC (3 << 0) /* Page Mode Configuration */ #define PMC_NORMAL (0 << 0) #define PMC_4WORD (1 << 0) #define PMC_8WORD (2 << 0) #define PMC_16WORD (3 << 0) /* External I/O and ROM/SRAM/Flash General Register */ #define ERGCON_TMULT (3 << 28) /* Time Multiplier */ #define ERGCON_DSX2 (3 << 20) /* Data Width (External I/O Bank 2) */ #define ERGCON_DSX1 (3 << 18) /* Data Width (External I/O Bank 1) */ #define ERGCON_DSX0 (3 << 16) /* Data Width (External I/O Bank 0) */ #define ERGCON_DSR1 (3 << 2) /* Data Width (ROM/SRAM/Flash Bank 1) */ #define ERGCON_DSR0 (3 << 0) /* Data Width (ROM/SRAM/Flash Bank 0) */ /* SDRAM Control Register */ #define SDCON_DBNPTR (0x3ff << 22) /* Last Address Pointer */ #define SDCON_DBBPTR (0x3ff << 12) /* Base Pointer */ #define SDCON_DBCAB (3 << 8) /* Column Address Bits */ #define SDCON_DBBNUM (1 << 3) /* Number of Banks */ #define SDCON_DBDBW (3 << 1) /* Data Bus Width */ /* SDRAM General Control Register */ #define SDGCON_SDTRC (3 << 2) /* RAS to CAS latency */ #define SDGCON_SDCAS (3 << 0) /* CAS latency */ /* SDRAM Buffer Control Register */ #define SDBCON_SDESTA (1 << 31) /* SDRAM Engine Status */ #define SDBCON_RBUFBDIS (1 << 24) /* Read Buffer Burst Enable */ #define SDBCON_WFIFOEN (1 << 23) /* Write FIFO Enable */ #define SDBCON_RBUFEN (1 << 22) /* Read Buffer Enable */ #define SDBCON_FLUSHWFIFO (1 << 21) /* Flush Write FIFO */ #define SDBCON_RBUFINV (1 << 20) /* Read Buffer Invalidate */ #define SDBCON_SDINI (3 << 16) /* SDRAM Initialization Control */ #define SDBCON_SDMODE (0x3fff << 0) /* SDRAM Mode Register Value Program */ /* SDRAM Refresh Timer Register */ #define REFTIM_REFTIM (0xffff << 0) /* Refresh Timer Value */ #endif