regs-mem.h 7.5 KB

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  1. /* arch/arm/mach-s3c2410/include/mach/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. #ifndef __ASM_ARM_MEMREGS_H
  13. #define __ASM_ARM_MEMREGS_H
  14. #ifndef S3C2410_MEMREG
  15. #define S3C2410_MEMREG(x) (S3C24XX_VA_MEMCTRL + (x))
  16. #endif
  17. /* bus width, and wait state control */
  18. #define S3C2410_BWSCON S3C2410_MEMREG(0x0000)
  19. /* bank zero config - note, pinstrapped from OM pins! */
  20. #define S3C2410_BWSCON_DW0_16 (1<<1)
  21. #define S3C2410_BWSCON_DW0_32 (2<<1)
  22. /* bank one configs */
  23. #define S3C2410_BWSCON_DW1_8 (0<<4)
  24. #define S3C2410_BWSCON_DW1_16 (1<<4)
  25. #define S3C2410_BWSCON_DW1_32 (2<<4)
  26. #define S3C2410_BWSCON_WS1 (1<<6)
  27. #define S3C2410_BWSCON_ST1 (1<<7)
  28. /* bank 2 configurations */
  29. #define S3C2410_BWSCON_DW2_8 (0<<8)
  30. #define S3C2410_BWSCON_DW2_16 (1<<8)
  31. #define S3C2410_BWSCON_DW2_32 (2<<8)
  32. #define S3C2410_BWSCON_WS2 (1<<10)
  33. #define S3C2410_BWSCON_ST2 (1<<11)
  34. /* bank 3 configurations */
  35. #define S3C2410_BWSCON_DW3_8 (0<<12)
  36. #define S3C2410_BWSCON_DW3_16 (1<<12)
  37. #define S3C2410_BWSCON_DW3_32 (2<<12)
  38. #define S3C2410_BWSCON_WS3 (1<<14)
  39. #define S3C2410_BWSCON_ST3 (1<<15)
  40. /* bank 4 configurations */
  41. #define S3C2410_BWSCON_DW4_8 (0<<16)
  42. #define S3C2410_BWSCON_DW4_16 (1<<16)
  43. #define S3C2410_BWSCON_DW4_32 (2<<16)
  44. #define S3C2410_BWSCON_WS4 (1<<18)
  45. #define S3C2410_BWSCON_ST4 (1<<19)
  46. /* bank 5 configurations */
  47. #define S3C2410_BWSCON_DW5_8 (0<<20)
  48. #define S3C2410_BWSCON_DW5_16 (1<<20)
  49. #define S3C2410_BWSCON_DW5_32 (2<<20)
  50. #define S3C2410_BWSCON_WS5 (1<<22)
  51. #define S3C2410_BWSCON_ST5 (1<<23)
  52. /* bank 6 configurations */
  53. #define S3C2410_BWSCON_DW6_8 (0<<24)
  54. #define S3C2410_BWSCON_DW6_16 (1<<24)
  55. #define S3C2410_BWSCON_DW6_32 (2<<24)
  56. #define S3C2410_BWSCON_WS6 (1<<26)
  57. #define S3C2410_BWSCON_ST6 (1<<27)
  58. /* bank 7 configurations */
  59. #define S3C2410_BWSCON_DW7_8 (0<<28)
  60. #define S3C2410_BWSCON_DW7_16 (1<<28)
  61. #define S3C2410_BWSCON_DW7_32 (2<<28)
  62. #define S3C2410_BWSCON_WS7 (1<<30)
  63. #define S3C2410_BWSCON_ST7 (1<<31)
  64. /* accesor functions for getting BANK(n) configuration. (n != 0) */
  65. #define S3C2410_BWSCON_GET(_bwscon, _bank) (((_bwscon) >> ((_bank) * 4)) & 0xf)
  66. #define S3C2410_BWSCON_DW8 (0)
  67. #define S3C2410_BWSCON_DW16 (1)
  68. #define S3C2410_BWSCON_DW32 (2)
  69. #define S3C2410_BWSCON_WS (1 << 2)
  70. #define S3C2410_BWSCON_ST (1 << 3)
  71. /* memory set (rom, ram) */
  72. #define S3C2410_BANKCON0 S3C2410_MEMREG(0x0004)
  73. #define S3C2410_BANKCON1 S3C2410_MEMREG(0x0008)
  74. #define S3C2410_BANKCON2 S3C2410_MEMREG(0x000C)
  75. #define S3C2410_BANKCON3 S3C2410_MEMREG(0x0010)
  76. #define S3C2410_BANKCON4 S3C2410_MEMREG(0x0014)
  77. #define S3C2410_BANKCON5 S3C2410_MEMREG(0x0018)
  78. #define S3C2410_BANKCON6 S3C2410_MEMREG(0x001C)
  79. #define S3C2410_BANKCON7 S3C2410_MEMREG(0x0020)
  80. /* bank configuration registers */
  81. #define S3C2410_BANKCON_PMCnorm (0x00)
  82. #define S3C2410_BANKCON_PMC4 (0x01)
  83. #define S3C2410_BANKCON_PMC8 (0x02)
  84. #define S3C2410_BANKCON_PMC16 (0x03)
  85. /* bank configurations for banks 0..7, note banks
  86. * 6 and 7 have differnt configurations depending on
  87. * the memory type bits */
  88. #define S3C2410_BANKCON_Tacp2 (0x0 << 2)
  89. #define S3C2410_BANKCON_Tacp3 (0x1 << 2)
  90. #define S3C2410_BANKCON_Tacp4 (0x2 << 2)
  91. #define S3C2410_BANKCON_Tacp6 (0x3 << 2)
  92. #define S3C2410_BANKCON_Tacp_SHIFT (2)
  93. #define S3C2410_BANKCON_Tcah0 (0x0 << 4)
  94. #define S3C2410_BANKCON_Tcah1 (0x1 << 4)
  95. #define S3C2410_BANKCON_Tcah2 (0x2 << 4)
  96. #define S3C2410_BANKCON_Tcah4 (0x3 << 4)
  97. #define S3C2410_BANKCON_Tcah_SHIFT (4)
  98. #define S3C2410_BANKCON_Tcoh0 (0x0 << 6)
  99. #define S3C2410_BANKCON_Tcoh1 (0x1 << 6)
  100. #define S3C2410_BANKCON_Tcoh2 (0x2 << 6)
  101. #define S3C2410_BANKCON_Tcoh4 (0x3 << 6)
  102. #define S3C2410_BANKCON_Tcoh_SHIFT (6)
  103. #define S3C2410_BANKCON_Tacc1 (0x0 << 8)
  104. #define S3C2410_BANKCON_Tacc2 (0x1 << 8)
  105. #define S3C2410_BANKCON_Tacc3 (0x2 << 8)
  106. #define S3C2410_BANKCON_Tacc4 (0x3 << 8)
  107. #define S3C2410_BANKCON_Tacc6 (0x4 << 8)
  108. #define S3C2410_BANKCON_Tacc8 (0x5 << 8)
  109. #define S3C2410_BANKCON_Tacc10 (0x6 << 8)
  110. #define S3C2410_BANKCON_Tacc14 (0x7 << 8)
  111. #define S3C2410_BANKCON_Tacc_SHIFT (8)
  112. #define S3C2410_BANKCON_Tcos0 (0x0 << 11)
  113. #define S3C2410_BANKCON_Tcos1 (0x1 << 11)
  114. #define S3C2410_BANKCON_Tcos2 (0x2 << 11)
  115. #define S3C2410_BANKCON_Tcos4 (0x3 << 11)
  116. #define S3C2410_BANKCON_Tcos_SHIFT (11)
  117. #define S3C2410_BANKCON_Tacs0 (0x0 << 13)
  118. #define S3C2410_BANKCON_Tacs1 (0x1 << 13)
  119. #define S3C2410_BANKCON_Tacs2 (0x2 << 13)
  120. #define S3C2410_BANKCON_Tacs4 (0x3 << 13)
  121. #define S3C2410_BANKCON_Tacs_SHIFT (13)
  122. #define S3C2410_BANKCON_SRAM (0x0 << 15)
  123. #define S3C2400_BANKCON_EDODRAM (0x2 << 15)
  124. #define S3C2410_BANKCON_SDRAM (0x3 << 15)
  125. /* next bits only for EDO DRAM in 6,7 */
  126. #define S3C2400_BANKCON_EDO_Trcd1 (0x00 << 4)
  127. #define S3C2400_BANKCON_EDO_Trcd2 (0x01 << 4)
  128. #define S3C2400_BANKCON_EDO_Trcd3 (0x02 << 4)
  129. #define S3C2400_BANKCON_EDO_Trcd4 (0x03 << 4)
  130. /* CAS pulse width */
  131. #define S3C2400_BANKCON_EDO_PULSE1 (0x00 << 3)
  132. #define S3C2400_BANKCON_EDO_PULSE2 (0x01 << 3)
  133. /* CAS pre-charge */
  134. #define S3C2400_BANKCON_EDO_TCP1 (0x00 << 2)
  135. #define S3C2400_BANKCON_EDO_TCP2 (0x01 << 2)
  136. /* control column address select */
  137. #define S3C2400_BANKCON_EDO_SCANb8 (0x00 << 0)
  138. #define S3C2400_BANKCON_EDO_SCANb9 (0x01 << 0)
  139. #define S3C2400_BANKCON_EDO_SCANb10 (0x02 << 0)
  140. #define S3C2400_BANKCON_EDO_SCANb11 (0x03 << 0)
  141. /* next bits only for SDRAM in 6,7 */
  142. #define S3C2410_BANKCON_Trcd2 (0x00 << 2)
  143. #define S3C2410_BANKCON_Trcd3 (0x01 << 2)
  144. #define S3C2410_BANKCON_Trcd4 (0x02 << 2)
  145. /* control column address select */
  146. #define S3C2410_BANKCON_SCANb8 (0x00 << 0)
  147. #define S3C2410_BANKCON_SCANb9 (0x01 << 0)
  148. #define S3C2410_BANKCON_SCANb10 (0x02 << 0)
  149. #define S3C2410_REFRESH S3C2410_MEMREG(0x0024)
  150. #define S3C2410_BANKSIZE S3C2410_MEMREG(0x0028)
  151. #define S3C2410_MRSRB6 S3C2410_MEMREG(0x002C)
  152. #define S3C2410_MRSRB7 S3C2410_MEMREG(0x0030)
  153. /* refresh control */
  154. #define S3C2410_REFRESH_REFEN (1<<23)
  155. #define S3C2410_REFRESH_SELF (1<<22)
  156. #define S3C2410_REFRESH_REFCOUNTER ((1<<11)-1)
  157. #define S3C2410_REFRESH_TRP_MASK (3<<20)
  158. #define S3C2410_REFRESH_TRP_2clk (0<<20)
  159. #define S3C2410_REFRESH_TRP_3clk (1<<20)
  160. #define S3C2410_REFRESH_TRP_4clk (2<<20)
  161. #define S3C2400_REFRESH_DRAM_TRP_MASK (3<<20)
  162. #define S3C2400_REFRESH_DRAM_TRP_1_5clk (0<<20)
  163. #define S3C2400_REFRESH_DRAM_TRP_2_5clk (1<<20)
  164. #define S3C2400_REFRESH_DRAM_TRP_3_5clk (2<<20)
  165. #define S3C2400_REFRESH_DRAM_TRP_4_5clk (3<<20)
  166. #define S3C2410_REFRESH_TSRC_MASK (3<<18)
  167. #define S3C2410_REFRESH_TSRC_4clk (0<<18)
  168. #define S3C2410_REFRESH_TSRC_5clk (1<<18)
  169. #define S3C2410_REFRESH_TSRC_6clk (2<<18)
  170. #define S3C2410_REFRESH_TSRC_7clk (3<<18)
  171. /* mode select register(s) */
  172. #define S3C2410_MRSRB_CL1 (0x00 << 4)
  173. #define S3C2410_MRSRB_CL2 (0x02 << 4)
  174. #define S3C2410_MRSRB_CL3 (0x03 << 4)
  175. /* bank size register */
  176. #define S3C2410_BANKSIZE_128M (0x2 << 0)
  177. #define S3C2410_BANKSIZE_64M (0x1 << 0)
  178. #define S3C2410_BANKSIZE_32M (0x0 << 0)
  179. #define S3C2410_BANKSIZE_16M (0x7 << 0)
  180. #define S3C2410_BANKSIZE_8M (0x6 << 0)
  181. #define S3C2410_BANKSIZE_4M (0x5 << 0)
  182. #define S3C2410_BANKSIZE_2M (0x4 << 0)
  183. #define S3C2410_BANKSIZE_MASK (0x7 << 0)
  184. #define S3C2400_BANKSIZE_MASK (0x4 << 0)
  185. #define S3C2410_BANKSIZE_SCLK_EN (1<<4)
  186. #define S3C2410_BANKSIZE_SCKE_EN (1<<5)
  187. #define S3C2410_BANKSIZE_BURST (1<<7)
  188. #endif /* __ASM_ARM_MEMREGS_H */