- /* linux/include/asm-arm/arch-s3c2410/regs-mem.h
- *
- * Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk>
- * http://www.simtec.co.uk/products/SWLINUX/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * S3C2410 Memory Control register definitions
- *
- * Changelog:
- * 29-Sep-2004 BJD Initial include for Linux
- * 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
- * 04-Apr-2005 LCVR Added S3C2400 DRAM/BANKSIZE_MASK definitions
- *
- */
- #ifndef __ASM_ARM_MEMREGS_H
- #define __ASM_ARM_MEMREGS_H "$Id: regs.h,v 1.8 2003/05/01 15:55:41 ben Exp $"
- #ifndef S3C2410_MEMREG
- #define S3C2410_MEMREG(x) (S3C24XX_VA_MEMCTRL + (x))
- #endif
- /* bus width, and wait state control */
- #define S3C2410_BWSCON S3C2410_MEMREG(0x0000)
- /* bank zero config - note, pinstrapped from OM pins! */
- #define S3C2410_BWSCON_DW0_16 (1<<1)
- #define S3C2410_BWSCON_DW0_32 (2<<1)
- /* bank one configs */
- #define S3C2410_BWSCON_DW1_8 (0<<4)
- #define S3C2410_BWSCON_DW1_16 (1<<4)
- #define S3C2410_BWSCON_DW1_32 (2<<4)
- #define S3C2410_BWSCON_WS1 (1<<6)
- #define S3C2410_BWSCON_ST1 (1<<7)
- /* bank 2 configurations */
- #define S3C2410_BWSCON_DW2_8 (0<<8)
- #define S3C2410_BWSCON_DW2_16 (1<<8)
- #define S3C2410_BWSCON_DW2_32 (2<<8)
- #define S3C2410_BWSCON_WS2 (1<<10)
- #define S3C2410_BWSCON_ST2 (1<<11)
- /* bank 3 configurations */
- #define S3C2410_BWSCON_DW3_8 (0<<12)
- #define S3C2410_BWSCON_DW3_16 (1<<12)
- #define S3C2410_BWSCON_DW3_32 (2<<12)
- #define S3C2410_BWSCON_WS3 (1<<14)
- #define S3C2410_BWSCON_ST3 (1<<15)
- /* bank 4 configurations */
- #define S3C2410_BWSCON_DW4_8 (0<<16)
- #define S3C2410_BWSCON_DW4_16 (1<<16)
- #define S3C2410_BWSCON_DW4_32 (2<<16)
- #define S3C2410_BWSCON_WS4 (1<<18)
- #define S3C2410_BWSCON_ST4 (1<<19)
- /* bank 5 configurations */
- #define S3C2410_BWSCON_DW5_8 (0<<20)
- #define S3C2410_BWSCON_DW5_16 (1<<20)
- #define S3C2410_BWSCON_DW5_32 (2<<20)
- #define S3C2410_BWSCON_WS5 (1<<22)
- #define S3C2410_BWSCON_ST5 (1<<23)
- /* bank 6 configurations */
- #define S3C2410_BWSCON_DW6_8 (0<<24)
- #define S3C2410_BWSCON_DW6_16 (1<<24)
- #define S3C2410_BWSCON_DW6_32 (2<<24)
- #define S3C2410_BWSCON_WS6 (1<<26)
- #define S3C2410_BWSCON_ST6 (1<<27)
- /* bank 7 configurations */
- #define S3C2410_BWSCON_DW7_8 (0<<28)
- #define S3C2410_BWSCON_DW7_16 (1<<28)
- #define S3C2410_BWSCON_DW7_32 (2<<28)
- #define S3C2410_BWSCON_WS7 (1<<30)
- #define S3C2410_BWSCON_ST7 (1<<31)
- /* memory set (rom, ram) */
- #define S3C2410_BANKCON0 S3C2410_MEMREG(0x0004)
- #define S3C2410_BANKCON1 S3C2410_MEMREG(0x0008)
- #define S3C2410_BANKCON2 S3C2410_MEMREG(0x000C)
- #define S3C2410_BANKCON3 S3C2410_MEMREG(0x0010)
- #define S3C2410_BANKCON4 S3C2410_MEMREG(0x0014)
- #define S3C2410_BANKCON5 S3C2410_MEMREG(0x0018)
- #define S3C2410_BANKCON6 S3C2410_MEMREG(0x001C)
- #define S3C2410_BANKCON7 S3C2410_MEMREG(0x0020)
- /* bank configuration registers */
- #define S3C2410_BANKCON_PMCnorm (0x00)
- #define S3C2410_BANKCON_PMC4 (0x01)
- #define S3C2410_BANKCON_PMC8 (0x02)
- #define S3C2410_BANKCON_PMC16 (0x03)
- /* bank configurations for banks 0..7, note banks
- * 6 and 7 have differnt configurations depending on
- * the memory type bits */
- #define S3C2410_BANKCON_Tacp2 (0x0 << 2)
- #define S3C2410_BANKCON_Tacp3 (0x1 << 2)
- #define S3C2410_BANKCON_Tacp4 (0x2 << 2)
- #define S3C2410_BANKCON_Tacp6 (0x3 << 2)
- #define S3C2410_BANKCON_Tcah0 (0x0 << 4)
- #define S3C2410_BANKCON_Tcah1 (0x1 << 4)
- #define S3C2410_BANKCON_Tcah2 (0x2 << 4)
- #define S3C2410_BANKCON_Tcah4 (0x3 << 4)
- #define S3C2410_BANKCON_Tcoh0 (0x0 << 6)
- #define S3C2410_BANKCON_Tcoh1 (0x1 << 6)
- #define S3C2410_BANKCON_Tcoh2 (0x2 << 6)
- #define S3C2410_BANKCON_Tcoh4 (0x3 << 6)
- #define S3C2410_BANKCON_Tacc1 (0x0 << 8)
- #define S3C2410_BANKCON_Tacc2 (0x1 << 8)
- #define S3C2410_BANKCON_Tacc3 (0x2 << 8)
- #define S3C2410_BANKCON_Tacc4 (0x3 << 8)
- #define S3C2410_BANKCON_Tacc6 (0x4 << 8)
- #define S3C2410_BANKCON_Tacc8 (0x5 << 8)
- #define S3C2410_BANKCON_Tacc10 (0x6 << 8)
- #define S3C2410_BANKCON_Tacc14 (0x7 << 8)
- #define S3C2410_BANKCON_Tcos0 (0x0 << 11)
- #define S3C2410_BANKCON_Tcos1 (0x1 << 11)
- #define S3C2410_BANKCON_Tcos2 (0x2 << 11)
- #define S3C2410_BANKCON_Tcos4 (0x3 << 11)
- #define S3C2410_BANKCON_Tacs0 (0x0 << 13)
- #define S3C2410_BANKCON_Tacs1 (0x1 << 13)
- #define S3C2410_BANKCON_Tacs2 (0x2 << 13)
- #define S3C2410_BANKCON_Tacs4 (0x3 << 13)
- #define S3C2410_BANKCON_SRAM (0x0 << 15)
- #define S3C2400_BANKCON_EDODRAM (0x2 << 15)
- #define S3C2410_BANKCON_SDRAM (0x3 << 15)
- /* next bits only for EDO DRAM in 6,7 */
- #define S3C2400_BANKCON_EDO_Trdc1 (0x00 << 4)
- #define S3C2400_BANKCON_EDO_Trdc2 (0x01 << 4)
- #define S3C2400_BANKCON_EDO_Trdc3 (0x02 << 4)
- #define S3C2400_BANKCON_EDO_Trdc4 (0x03 << 4)
- /* CAS pulse width */
- #define S3C2400_BANKCON_EDO_PULSE1 (0x00 << 3)
- #define S3C2400_BANKCON_EDO_PULSE2 (0x01 << 3)
- /* CAS pre-charge */
- #define S3C2400_BANKCON_EDO_TCP1 (0x00 << 2)
- #define S3C2400_BANKCON_EDO_TCP2 (0x01 << 2)
- /* control column address select */
- #define S3C2400_BANKCON_EDO_SCANb8 (0x00 << 0)
- #define S3C2400_BANKCON_EDO_SCANb9 (0x01 << 0)
- #define S3C2400_BANKCON_EDO_SCANb10 (0x02 << 0)
- #define S3C2400_BANKCON_EDO_SCANb11 (0x03 << 0)
- /* next bits only for SDRAM in 6,7 */
- #define S3C2410_BANKCON_Trdc2 (0x00 << 2)
- #define S3C2410_BANKCON_Trdc3 (0x01 << 2)
- #define S3C2410_BANKCON_Trdc4 (0x02 << 2)
- /* control column address select */
- #define S3C2410_BANKCON_SCANb8 (0x00 << 0)
- #define S3C2410_BANKCON_SCANb9 (0x01 << 0)
- #define S3C2410_BANKCON_SCANb10 (0x02 << 0)
- #define S3C2410_REFRESH S3C2410_MEMREG(0x0024)
- #define S3C2410_BANKSIZE S3C2410_MEMREG(0x0028)
- #define S3C2410_MRSRB6 S3C2410_MEMREG(0x002C)
- #define S3C2410_MRSRB7 S3C2410_MEMREG(0x0030)
- /* refresh control */
- #define S3C2410_REFRESH_REFEN (1<<23)
- #define S3C2410_REFRESH_SELF (1<<22)
- #define S3C2410_REFRESH_REFCOUNTER ((1<<11)-1)
- #define S3C2410_REFRESH_TRP_MASK (3<<20)
- #define S3C2410_REFRESH_TRP_2clk (0<<20)
- #define S3C2410_REFRESH_TRP_3clk (1<<20)
- #define S3C2410_REFRESH_TRP_4clk (2<<20)
- #define S3C2400_REFRESH_DRAM_TRP_MASK (3<<20)
- #define S3C2400_REFRESH_DRAM_TRP_1_5clk (0<<20)
- #define S3C2400_REFRESH_DRAM_TRP_2_5clk (1<<20)
- #define S3C2400_REFRESH_DRAM_TRP_3_5clk (2<<20)
- #define S3C2400_REFRESH_DRAM_TRP_4_5clk (3<<20)
- #define S3C2410_REFRESH_TSRC_MASK (3<<18)
- #define S3C2410_REFRESH_TSRC_4clk (0<<18)
- #define S3C2410_REFRESH_TSRC_5clk (1<<18)
- #define S3C2410_REFRESH_TSRC_6clk (2<<18)
- #define S3C2410_REFRESH_TSRC_7clk (3<<18)
- /* mode select register(s) */
- #define S3C2410_MRSRB_CL1 (0x00 << 4)
- #define S3C2410_MRSRB_CL2 (0x02 << 4)
- #define S3C2410_MRSRB_CL3 (0x03 << 4)
- /* bank size register */
- #define S3C2410_BANKSIZE_128M (0x2 << 0)
- #define S3C2410_BANKSIZE_64M (0x1 << 0)
- #define S3C2410_BANKSIZE_32M (0x0 << 0)
- #define S3C2410_BANKSIZE_16M (0x7 << 0)
- #define S3C2410_BANKSIZE_8M (0x6 << 0)
- #define S3C2410_BANKSIZE_4M (0x5 << 0)
- #define S3C2410_BANKSIZE_2M (0x4 << 0)
- #define S3C2410_BANKSIZE_MASK (0x7 << 0)
- #define S3C2400_BANKSIZE_MASK (0x4 << 0)
- #define S3C2410_BANKSIZE_SCLK_EN (1<<4)
- #define S3C2410_BANKSIZE_SCKE_EN (1<<5)
- #define S3C2410_BANKSIZE_BURST (1<<7)
- #endif /* __ASM_ARM_MEMREGS_H */