microblaze-generic.h 6.3 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * (C) Copyright 2007-2010 Michal Simek
  4. *
  5. * Michal SIMEK <monstr@monstr.eu>
  6. */
  7. #ifndef __CONFIG_H
  8. #define __CONFIG_H
  9. #include "../board/xilinx/microblaze-generic/xparameters.h"
  10. /* MicroBlaze CPU */
  11. #define MICROBLAZE_V5 1
  12. /* linear and spi flash memory */
  13. #ifdef XILINX_FLASH_START
  14. #define FLASH
  15. #undef SPIFLASH
  16. #undef RAMENV /* hold environment in flash */
  17. #else
  18. #ifdef XILINX_SPI_FLASH_BASEADDR
  19. #undef FLASH
  20. #define SPIFLASH
  21. #undef RAMENV /* hold environment in flash */
  22. #else
  23. #undef FLASH
  24. #undef SPIFLASH
  25. #define RAMENV /* hold environment in RAM */
  26. #endif
  27. #endif
  28. /* uart */
  29. /* The following table includes the supported baudrates */
  30. # define CONFIG_SYS_BAUDRATE_TABLE \
  31. {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
  32. /* setting reset address */
  33. /*#define CONFIG_SYS_RESET_ADDRESS CONFIG_SYS_TEXT_BASE*/
  34. /* gpio */
  35. #ifdef XILINX_GPIO_BASEADDR
  36. # define CONFIG_SYS_GPIO_0_ADDR XILINX_GPIO_BASEADDR
  37. #endif
  38. /* watchdog */
  39. #if defined(XILINX_WATCHDOG_BASEADDR) && defined(XILINX_WATCHDOG_IRQ)
  40. # define CONFIG_WATCHDOG_BASEADDR XILINX_WATCHDOG_BASEADDR
  41. # define CONFIG_WATCHDOG_IRQ XILINX_WATCHDOG_IRQ
  42. # ifndef CONFIG_SPL_BUILD
  43. # define CONFIG_HW_WATCHDOG
  44. # define CONFIG_XILINX_TB_WATCHDOG
  45. # endif
  46. #endif
  47. #define CONFIG_SYS_MALLOC_LEN 0xC0000
  48. /* Stack location before relocation */
  49. #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_TEXT_BASE - \
  50. CONFIG_SYS_MALLOC_F_LEN)
  51. /*
  52. * CFI flash memory layout - Example
  53. * CONFIG_SYS_FLASH_BASE = 0x2200_0000;
  54. * CONFIG_SYS_FLASH_SIZE = 0x0080_0000; 8MB
  55. *
  56. * SECT_SIZE = 0x20000; 128kB is one sector
  57. * CONFIG_ENV_SIZE = SECT_SIZE; 128kB environment store
  58. *
  59. * 0x2200_0000 CONFIG_SYS_FLASH_BASE
  60. * FREE 256kB
  61. * 0x2204_0000 CONFIG_ENV_ADDR
  62. * ENV_AREA 128kB
  63. * 0x2206_0000
  64. * FREE
  65. * 0x2280_0000 CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE
  66. *
  67. */
  68. #ifdef FLASH
  69. # define CONFIG_SYS_FLASH_BASE XILINX_FLASH_START
  70. # define CONFIG_SYS_FLASH_SIZE XILINX_FLASH_SIZE
  71. # define CONFIG_SYS_FLASH_CFI 1
  72. # define CONFIG_FLASH_CFI_DRIVER 1
  73. /* ?empty sector */
  74. # define CONFIG_SYS_FLASH_EMPTY_INFO 1
  75. /* max number of memory banks */
  76. # define CONFIG_SYS_MAX_FLASH_BANKS 1
  77. /* max number of sectors on one chip */
  78. # define CONFIG_SYS_MAX_FLASH_SECT 512
  79. /* hardware flash protection */
  80. # define CONFIG_SYS_FLASH_PROTECTION
  81. /* use buffered writes (20x faster) */
  82. # define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
  83. # ifdef RAMENV
  84. # define CONFIG_ENV_SIZE 0x1000
  85. # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
  86. # else /* FLASH && !RAMENV */
  87. /* 128K(one sector) for env */
  88. # define CONFIG_ENV_SECT_SIZE 0x20000
  89. # define CONFIG_ENV_ADDR \
  90. (CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE))
  91. # define CONFIG_ENV_SIZE 0x20000
  92. # endif /* FLASH && !RAMBOOT */
  93. #else /* !FLASH */
  94. #ifdef SPIFLASH
  95. # define CONFIG_SYS_SPI_BASE XILINX_SPI_FLASH_BASEADDR
  96. # define CONFIG_SF_DEFAULT_MODE SPI_MODE_3
  97. # define CONFIG_SF_DEFAULT_SPEED XILINX_SPI_FLASH_MAX_FREQ
  98. # define CONFIG_SF_DEFAULT_CS XILINX_SPI_FLASH_CS
  99. # ifdef RAMENV
  100. # define CONFIG_ENV_SIZE 0x1000
  101. # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
  102. # else /* SPIFLASH && !RAMENV */
  103. # define CONFIG_ENV_SPI_MODE SPI_MODE_3
  104. # define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
  105. # define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS
  106. /* 128K(two sectors) for env */
  107. # define CONFIG_ENV_SECT_SIZE 0x10000
  108. # define CONFIG_ENV_SIZE (2 * CONFIG_ENV_SECT_SIZE)
  109. /* Warning: adjust the offset in respect of other flash content and size */
  110. # define CONFIG_ENV_OFFSET (128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */
  111. # endif /* SPIFLASH && !RAMBOOT */
  112. #else /* !SPIFLASH */
  113. /* ENV in RAM */
  114. # define CONFIG_ENV_SIZE 0x1000
  115. # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
  116. #endif /* !SPIFLASH */
  117. #endif /* !FLASH */
  118. #if defined(XILINX_USE_ICACHE)
  119. # define CONFIG_ICACHE
  120. #else
  121. # undef CONFIG_ICACHE
  122. #endif
  123. #if defined(XILINX_USE_DCACHE)
  124. # define CONFIG_DCACHE
  125. #else
  126. # undef CONFIG_DCACHE
  127. #endif
  128. #ifndef XILINX_DCACHE_BYTE_SIZE
  129. #define XILINX_DCACHE_BYTE_SIZE 32768
  130. #endif
  131. /*
  132. * BOOTP options
  133. */
  134. #define CONFIG_BOOTP_BOOTFILESIZE
  135. #if defined(CONFIG_CMD_JFFS2)
  136. # define CONFIG_MTD_PARTITIONS
  137. #endif
  138. #if defined(CONFIG_CMD_UBI)
  139. # define CONFIG_MTD_PARTITIONS
  140. #endif
  141. #if defined(CONFIG_MTD_PARTITIONS)
  142. /* MTD partitions */
  143. #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
  144. #define CONFIG_FLASH_CFI_MTD
  145. /* default mtd partition table */
  146. #endif
  147. /* size of console buffer */
  148. #define CONFIG_SYS_CBSIZE 512
  149. /* max number of command args */
  150. #define CONFIG_SYS_MAXARGS 15
  151. /* default load address */
  152. #define CONFIG_SYS_LOAD_ADDR 0
  153. #define CONFIG_HOSTNAME "microblaze-generic"
  154. #define CONFIG_BOOTCOMMAND "base 0;tftp 11000000 image.img;bootm"
  155. /* architecture dependent code */
  156. #define CONFIG_SYS_USR_EXCEP /* user exception */
  157. #define CONFIG_PREBOOT "echo U-BOOT for ${hostname};setenv preboot;echo"
  158. #ifndef CONFIG_EXTRA_ENV_SETTINGS
  159. #define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" \
  160. "nor0=flash-0\0"\
  161. "mtdparts=mtdparts=flash-0:"\
  162. "256k(u-boot),256k(env),3m(kernel),"\
  163. "1m(romfs),1m(cramfs),-(jffs2)\0"\
  164. "nc=setenv stdout nc;"\
  165. "setenv stdin nc\0" \
  166. "serial=setenv stdout serial;"\
  167. "setenv stdin serial\0"
  168. #endif
  169. /* Enable flat device tree support */
  170. #define CONFIG_LMB 1
  171. #if defined(CONFIG_XILINX_AXIEMAC)
  172. # define CONFIG_MII 1
  173. # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 1
  174. #else
  175. # undef CONFIG_MII
  176. #endif
  177. /* SPL part */
  178. #ifdef CONFIG_SYS_FLASH_BASE
  179. # define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE
  180. #endif
  181. /* for booting directly linux */
  182. #define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \
  183. 0x40000)
  184. #define CONFIG_SYS_FDT_SIZE (16<<10)
  185. #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_TEXT_BASE + \
  186. 0x1000000)
  187. /* SP location before relocation, must use scratch RAM */
  188. /* BRAM start */
  189. #define CONFIG_SYS_INIT_RAM_ADDR 0x0
  190. /* BRAM size - will be generated */
  191. #define CONFIG_SYS_INIT_RAM_SIZE 0x100000
  192. # define CONFIG_SPL_STACK_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
  193. CONFIG_SYS_INIT_RAM_SIZE - \
  194. CONFIG_SYS_MALLOC_F_LEN)
  195. /* Just for sure that there is a space for stack */
  196. #define CONFIG_SPL_STACK_SIZE 0x100
  197. #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
  198. #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_INIT_RAM_SIZE - \
  199. CONFIG_SYS_INIT_RAM_ADDR - \
  200. CONFIG_SYS_MALLOC_F_LEN - \
  201. CONFIG_SPL_STACK_SIZE)
  202. #endif /* __CONFIG_H */