| /* arch/arm/mach-s3c2410/include/mach/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 |
| */ |
| |
| #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_Tacp_SHIFT (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_Tcah_SHIFT (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_Tcoh_SHIFT (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_Tacc_SHIFT (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_Tcos_SHIFT (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_Tacs_SHIFT (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_Trcd1 (0x00 << 4) |
| #define S3C2400_BANKCON_EDO_Trcd2 (0x01 << 4) |
| #define S3C2400_BANKCON_EDO_Trcd3 (0x02 << 4) |
| #define S3C2400_BANKCON_EDO_Trcd4 (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_Trcd2 (0x00 << 2) |
| #define S3C2410_BANKCON_Trcd3 (0x01 << 2) |
| #define S3C2410_BANKCON_Trcd4 (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 */ |