include/asm-arm/arch-s3c2410/regs-mem.h

   1 /* linux/include/asm-arm/arch-s3c2410/regs-mem.h
   2  *
   3  * Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk>
   4  *              http://www.simtec.co.uk/products/SWLINUX/
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * S3C2410 Memory Control register definitions
  11  *
  12  *  Changelog:
  13  *      29-Sep-2004  BJD  Initial include for Linux
  14  *
  15 */
  16
  17 #ifndef __ASM_ARM_MEMREGS_H
  18 #define __ASM_ARM_MEMREGS_H "$Id: regs.h,v 1.8 2003/05/01 15:55:41 ben Exp $"
  19
  20 #ifndef S3C2410_MEMREG
  21 #define S3C2410_MEMREG(x) (S3C2410_VA_MEMCTRL + (x))
  22 #endif
  23
  24 /* bus width, and wait state control */
  25 #define S3C2410_BWSCON                  S3C2410_MEMREG(0x0000)
  26
  27 /* bank zero config - note, pinstrapped from OM pins! */
  28 #define S3C2410_BWSCON_DW0_16           (1<<1)
  29 #define S3C2410_BWSCON_DW0_32           (2<<1)
  30
  31 /* bank one configs */
  32 #define S3C2410_BWSCON_DW1_8            (0<<4)
  33 #define S3C2410_BWSCON_DW1_16           (1<<4)
  34 #define S3C2410_BWSCON_DW1_32           (2<<4)
  35 #define S3C2410_BWSCON_WS1              (1<<6)
  36 #define S3C2410_BWSCON_ST1              (1<<7)
  37
  38 /* bank 2 configurations */
  39 #define S3C2410_BWSCON_DW2_8            (0<<8)
  40 #define S3C2410_BWSCON_DW2_16           (1<<8)
  41 #define S3C2410_BWSCON_DW2_32           (2<<8)
  42 #define S3C2410_BWSCON_WS2              (1<<10)
  43 #define S3C2410_BWSCON_ST2              (1<<11)
  44
  45 /* bank 3 configurations */
  46 #define S3C2410_BWSCON_DW3_8            (0<<12)
  47 #define S3C2410_BWSCON_DW3_16           (1<<12)
  48 #define S3C2410_BWSCON_DW3_32           (2<<12)
  49 #define S3C2410_BWSCON_WS3              (1<<14)
  50 #define S3C2410_BWSCON_ST3              (1<<15)
  51
  52 /* bank 4 configurations */
  53 #define S3C2410_BWSCON_DW4_8            (0<<16)
  54 #define S3C2410_BWSCON_DW4_16           (1<<16)
  55 #define S3C2410_BWSCON_DW4_32           (2<<16)
  56 #define S3C2410_BWSCON_WS4              (1<<18)
  57 #define S3C2410_BWSCON_ST4              (1<<19)
  58
  59 /* bank 5 configurations */
  60 #define S3C2410_BWSCON_DW5_8            (0<<20)
  61 #define S3C2410_BWSCON_DW5_16           (1<<20)
  62 #define S3C2410_BWSCON_DW5_32           (2<<20)
  63 #define S3C2410_BWSCON_WS5              (1<<22)
  64 #define S3C2410_BWSCON_ST5              (1<<23)
  65
  66 /* bank 6 configurations */
  67 #define S3C2410_BWSCON_DW6_8            (0<<24)
  68 #define S3C2410_BWSCON_DW6_16           (1<<24)
  69 #define S3C2410_BWSCON_DW6_32           (2<<24)
  70 #define S3C2410_BWSCON_WS6              (1<<26)
  71 #define S3C2410_BWSCON_ST6              (1<<27)
  72
  73 /* bank 7 configurations */
  74 #define S3C2410_BWSCON_DW7_8            (0<<28)
  75 #define S3C2410_BWSCON_DW7_16           (1<<28)
  76 #define S3C2410_BWSCON_DW7_32           (2<<28)
  77 #define S3C2410_BWSCON_WS7              (1<<30)
  78 #define S3C2410_BWSCON_ST7              (1<<31)
  79
  80 /* memory set (rom, ram) */
  81 #define S3C2410_BANKCON0                S3C2410_MEMREG(0x0004)
  82 #define S3C2410_BANKCON1                S3C2410_MEMREG(0x0008)
  83 #define S3C2410_BANKCON2                S3C2410_MEMREG(0x000C)
  84 #define S3C2410_BANKCON3                S3C2410_MEMREG(0x0010)
  85 #define S3C2410_BANKCON4                S3C2410_MEMREG(0x0014)
  86 #define S3C2410_BANKCON5                S3C2410_MEMREG(0x0018)
  87 #define S3C2410_BANKCON6                S3C2410_MEMREG(0x001C)
  88 #define S3C2410_BANKCON7                S3C2410_MEMREG(0x0020)
  89
  90 /* bank configuration registers */
  91
  92 #define S3C2410_BANKCON_PMCnorm         (0x00)
  93 #define S3C2410_BANKCON_PMC4            (0x01)
  94 #define S3C2410_BANKCON_PMC8            (0x02)
  95 #define S3C2410_BANKCON_PMC16           (0x03)
  96
  97 /* bank configurations for banks 0..7, note banks
  98  * 6 and 7 have differnt configurations depending on
  99  * the memory type bits */
 100
 101 #define S3C2410_BANKCON_Tacp2           (0x0 << 2)
 102 #define S3C2410_BANKCON_Tacp3           (0x1 << 2)
 103 #define S3C2410_BANKCON_Tacp4           (0x2 << 2)
 104 #define S3C2410_BANKCON_Tacp6           (0x3 << 2)
 105
 106 #define S3C2410_BANKCON_Tcah0           (0x0 << 4)
 107 #define S3C2410_BANKCON_Tcah1           (0x1 << 4)
 108 #define S3C2410_BANKCON_Tcah2           (0x2 << 4)
 109 #define S3C2410_BANKCON_Tcah4           (0x3 << 4)
 110
 111 #define S3C2410_BANKCON_Tcoh0           (0x0 << 6)
 112 #define S3C2410_BANKCON_Tcoh1           (0x1 << 6)
 113 #define S3C2410_BANKCON_Tcoh2           (0x2 << 6)
 114 #define S3C2410_BANKCON_Tcoh4           (0x3 << 6)
 115
 116 #define S3C2410_BANKCON_Tacc1           (0x0 << 8)
 117 #define S3C2410_BANKCON_Tacc2           (0x1 << 8)
 118 #define S3C2410_BANKCON_Tacc3           (0x2 << 8)
 119 #define S3C2410_BANKCON_Tacc4           (0x3 << 8)
 120 #define S3C2410_BANKCON_Tacc6           (0x4 << 8)
 121 #define S3C2410_BANKCON_Tacc8           (0x5 << 8)
 122 #define S3C2410_BANKCON_Tacc10          (0x6 << 8)
 123 #define S3C2410_BANKCON_Tacc14          (0x7 << 8)
 124
 125 #define S3C2410_BANKCON_Tcos0           (0x0 << 11)
 126 #define S3C2410_BANKCON_Tcos1           (0x1 << 11)
 127 #define S3C2410_BANKCON_Tcos2           (0x2 << 11)
 128 #define S3C2410_BANKCON_Tcos4           (0x3 << 11)
 129
 130 #define S3C2410_BANKCON_Tacs0           (0x0 << 13)
 131 #define S3C2410_BANKCON_Tacs1           (0x1 << 13)
 132 #define S3C2410_BANKCON_Tacs2           (0x2 << 13)
 133 #define S3C2410_BANKCON_Tacs4           (0x3 << 13)
 134
 135 #define S3C2410_BANKCON_SRAM            (0x0 << 15)
 136 #define S3C2410_BANKCON_SDRAM           (0x3 << 15)
 137
 138 /* next bits only for SDRAM in 6,7 */
 139 #define S3C2410_BANKCON_Trdc2           (0x00 << 2)
 140 #define S3C2410_BANKCON_Trdc3           (0x01 << 2)
 141 #define S3C2410_BANKCON_Trdc4           (0x02 << 2)
 142
 143 /* control column address select */
 144 #define S3C2410_BANKCON_SCANb8          (0x00 << 0)
 145 #define S3C2410_BANKCON_SCANb9          (0x01 << 0)
 146 #define S3C2410_BANKCON_SCANb10         (0x02 << 0)
 147
 148 #define S3C2410_REFRESH                 S3C2410_MEMREG(0x0024)
 149 #define S3C2410_BANKSIZE                S3C2410_MEMREG(0x0028)
 150 #define S3C2410_MRSRB6                  S3C2410_MEMREG(0x002C)
 151 #define S3C2410_MRSRB7                  S3C2410_MEMREG(0x0030)
 152
 153 /* refresh control */
 154
 155 #define S3C2410_REFRESH_REFEN           (1<<23)
 156 #define S3C2410_REFRESH_SELF            (1<<22)
 157 #define S3C2410_REFRESH_REFCOUNTER      ((1<<11)-1)
 158
 159 #define S3C2410_REFRESH_TRP_MASK        (3<<20)
 160 #define S3C2410_REFRESH_TRP_2clk        (0<<20)
 161 #define S3C2410_REFRESH_TRP_3clk        (1<<20)
 162 #define S3C2410_REFRESH_TRP_4clk        (2<<20)
 163
 164 #define S3C2410_REFRESH_TSRC_MASK       (3<<18)
 165 #define S3C2410_REFRESH_TSRC_4clk       (0<<18)
 166 #define S3C2410_REFRESH_TSRC_5clk       (1<<18)
 167 #define S3C2410_REFRESH_TSRC_6clk       (2<<18)
 168 #define S3C2410_REFRESH_TSRC_7clk       (3<<18)
 169
 170
 171 /* mode select register(s) */
 172
 173 #define  S3C2410_MRSRB_CL1              (0x00 << 4)
 174 #define  S3C2410_MRSRB_CL2              (0x02 << 4)
 175 #define  S3C2410_MRSRB_CL3              (0x03 << 4)
 176
 177 /* bank size register */
 178 #define S3C2410_BANKSIZE_128M           (0x2 << 0)
 179 #define S3C2410_BANKSIZE_64M            (0x1 << 0)
 180 #define S3C2410_BANKSIZE_32M            (0x0 << 0)
 181 #define S3C2410_BANKSIZE_16M            (0x7 << 0)
 182 #define S3C2410_BANKSIZE_8M             (0x6 << 0)
 183 #define S3C2410_BANKSIZE_4M             (0x5 << 0)
 184 #define S3C2410_BANKSIZE_2M             (0x4 << 0)
 185 #define S3C2410_BANKSIZE_MASK           (0x7 << 0)
 186 #define S3C2410_BANKSIZE_SCLK_EN        (1<<4)
 187 #define S3C2410_BANKSIZE_SCKE_EN        (1<<5)
 188 #define S3C2410_BANKSIZE_BURST          (1<<7)
 189
 190 #endif /* __ASM_ARM_MEMREGS_H */