mxs.h 5.1 KB

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  1. /*
  2. * Copyright (C) 2013 Marek Vasut <marex@denx.de>
  3. *
  4. * This program is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU General Public License as
  6. * published by the Free Software Foundation; either version 2 of
  7. * the License, or (at your option) any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with this program; if not, write to the Free Software
  16. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  17. * MA 02111-1307 USA
  18. */
  19. #ifndef __CONFIGS_MXS_H__
  20. #define __CONFIGS_MXS_H__
  21. /*
  22. * Includes
  23. */
  24. #if defined(CONFIG_MX23) && defined(CONFIG_MX28)
  25. #error Select either CONFIG_MX23 or CONFIG_MX28 , never both!
  26. #elif !defined(CONFIG_MX23) && !defined(CONFIG_MX28)
  27. #error Select one of CONFIG_MX23 or CONFIG_MX28 !
  28. #endif
  29. #include <asm/arch/regs-base.h>
  30. #if defined(CONFIG_MX23)
  31. #include <asm/arch/iomux-mx23.h>
  32. #elif defined(CONFIG_MX28)
  33. #include <asm/arch/iomux-mx28.h>
  34. #endif
  35. /*
  36. * CPU specifics
  37. */
  38. /* Ticks per second */
  39. #define CONFIG_SYS_HZ 1000
  40. /* MXS uses FDT */
  41. #define CONFIG_OF_LIBFDT
  42. /* Startup hooks */
  43. #define CONFIG_BOARD_EARLY_INIT_F
  44. #define CONFIG_ARCH_MISC_INIT
  45. /* SPL */
  46. #define CONFIG_SPL
  47. #define CONFIG_SPL_NO_CPU_SUPPORT_CODE
  48. #define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs"
  49. #define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds"
  50. #define CONFIG_SPL_LIBCOMMON_SUPPORT
  51. #define CONFIG_SPL_LIBGENERIC_SUPPORT
  52. #define CONFIG_SPL_GPIO_SUPPORT
  53. /* Memory sizes */
  54. #define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */
  55. #define CONFIG_SYS_GBL_DATA_SIZE 128 /* Initial data */
  56. #define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */
  57. #define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */
  58. /* OCRAM at 0x0 ; 32kB on MX23 ; 128kB on MX28 */
  59. #define CONFIG_SYS_INIT_RAM_ADDR 0x00000000
  60. #if defined(CONFIG_MX23)
  61. #define CONFIG_SYS_INIT_RAM_SIZE (32 * 1024)
  62. #elif defined(CONFIG_MX28)
  63. #define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024)
  64. #endif
  65. /* Point initial SP in SRAM so SPL can use it too. */
  66. #define CONFIG_SYS_INIT_SP_OFFSET \
  67. (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
  68. #define CONFIG_SYS_INIT_SP_ADDR \
  69. (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
  70. /*
  71. * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
  72. * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
  73. * binary. In case there was more of this mess, 0x100 bytes are skipped.
  74. */
  75. #define CONFIG_SYS_TEXT_BASE 0x40000100
  76. /* U-Boot general configuration */
  77. #define CONFIG_SYS_LONGHELP
  78. #ifndef CONFIG_SYS_PROMPT
  79. #define CONFIG_SYS_PROMPT "=> "
  80. #endif
  81. #define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */
  82. #define CONFIG_SYS_PBSIZE \
  83. (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
  84. /* Print buffer size */
  85. #define CONFIG_SYS_MAXARGS 32 /* Max number of command args */
  86. #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
  87. /* Boot argument buffer size */
  88. #define CONFIG_VERSION_VARIABLE /* U-BOOT version */
  89. #define CONFIG_AUTO_COMPLETE /* Command auto complete */
  90. #define CONFIG_CMDLINE_EDITING /* Command history etc */
  91. #define CONFIG_SYS_HUSH_PARSER
  92. #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
  93. /* Booting Linux */
  94. #define CONFIG_CMDLINE_TAG
  95. #define CONFIG_SETUP_MEMORY_TAGS
  96. /*
  97. * Drivers
  98. */
  99. /* APBH DMA */
  100. #define CONFIG_APBH_DMA
  101. /* GPIO */
  102. #define CONFIG_MXS_GPIO
  103. /*
  104. * DUART Serial Driver.
  105. * Conflicts with AUART driver which can be set by board.
  106. */
  107. #ifndef CONFIG_MXS_AUART
  108. #define CONFIG_PL011_SERIAL
  109. #define CONFIG_PL011_CLOCK 24000000
  110. #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE }
  111. #define CONFIG_CONS_INDEX 0
  112. #endif
  113. /* Default baudrate can be overriden by board! */
  114. #ifndef CONFIG_BAUDRATE
  115. #define CONFIG_BAUDRATE 115200
  116. #endif
  117. /* FEC Ethernet on SoC */
  118. #ifdef CONFIG_FEC_MXC
  119. #define CONFIG_MII
  120. #ifndef CONFIG_ETHPRIME
  121. #define CONFIG_ETHPRIME "FEC0"
  122. #endif
  123. #ifndef CONFIG_FEC_XCV_TYPE
  124. #define CONFIG_FEC_XCV_TYPE RMII
  125. #endif
  126. #endif
  127. /* I2C */
  128. #ifdef CONFIG_CMD_I2C
  129. #define CONFIG_I2C_MXS
  130. #define CONFIG_HARD_I2C
  131. #ifndef CONFIG_SYS_I2C_SPEED
  132. #define CONFIG_SYS_I2C_SPEED 400000
  133. #endif
  134. #endif
  135. /* LCD */
  136. #ifdef CONFIG_VIDEO
  137. #define CONFIG_CFB_CONSOLE
  138. #define CONFIG_VIDEO_MXS
  139. #define CONFIG_VIDEO_SW_CURSOR
  140. #define CONFIG_VGA_AS_SINGLE_DEVICE
  141. #define CONFIG_SYS_CONSOLE_IS_IN_ENV
  142. #endif
  143. /* MMC */
  144. #ifdef CONFIG_CMD_MMC
  145. #define CONFIG_MMC
  146. #define CONFIG_GENERIC_MMC
  147. #define CONFIG_BOUNCE_BUFFER
  148. #define CONFIG_MXS_MMC
  149. #endif
  150. /* NAND */
  151. #ifdef CONFIG_CMD_NAND
  152. #define CONFIG_NAND_MXS
  153. #define CONFIG_SYS_MAX_NAND_DEVICE 1
  154. #define CONFIG_SYS_NAND_BASE 0x60000000
  155. #define CONFIG_SYS_NAND_5_ADDR_CYCLE
  156. #endif
  157. /* SPI */
  158. #ifdef CONFIG_CMD_SPI
  159. #define CONFIG_HARD_SPI
  160. #define CONFIG_MXS_SPI
  161. #define CONFIG_SPI_HALF_DUPLEX
  162. #endif
  163. /* USB */
  164. #ifdef CONFIG_CMD_USB
  165. #define CONFIG_USB_EHCI
  166. #define CONFIG_USB_EHCI_MXS
  167. #define CONFIG_EHCI_IS_TDI
  168. #endif
  169. #endif /* __CONFIGS_MXS_H__ */