bur_am335x_common.h 7.1 KB

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  1. /*
  2. * bur_am335x_common.h
  3. *
  4. * common parts used by B&R AM335x based boards
  5. *
  6. * Copyright (C) 2013 Hannes Petermaier <oe5hpm@oevsv.at> -
  7. * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
  8. *
  9. * SPDX-License-Identifier: GPL-2.0+
  10. */
  11. #ifndef __BUR_AM335X_COMMON_H__
  12. #define __BUR_AM335X_COMMON_H__
  13. /* ------------------------------------------------------------------------- */
  14. #define CONFIG_SYS_GENERIC_BOARD
  15. #define CONFIG_AM33XX
  16. #define CONFIG_OMAP
  17. #define CONFIG_OMAP_COMMON
  18. #define CONFIG_BOARD_LATE_INIT
  19. #define CONFIG_SYS_CACHELINE_SIZE 64
  20. #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */
  21. /* Timer information */
  22. #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
  23. #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */
  24. #define CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC /* enable 32kHz OSC at bootime */
  25. #define CONFIG_SPL_POWER_SUPPORT
  26. #define CONFIG_POWER_TPS65217
  27. #define CONFIG_SYS_NO_FLASH /* have no NOR-flash */
  28. #include <asm/arch/omap.h>
  29. /* NS16550 Configuration */
  30. #define CONFIG_SYS_NS16550
  31. #define CONFIG_SYS_NS16550_SERIAL
  32. #define CONFIG_SYS_NS16550_REG_SIZE (-4)
  33. #define CONFIG_SYS_NS16550_CLK 48000000
  34. #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* UART0 */
  35. #define CONFIG_BAUDRATE 115200
  36. /* Network defines */
  37. #define CONFIG_CMD_NET /* 'bootp' and 'tftp' */
  38. #define CONFIG_CMD_DHCP
  39. #define CONFIG_BOOTP_DNS /* Configurable parts of CMD_DHCP */
  40. #define CONFIG_BOOTP_SEND_HOSTNAME
  41. #define CONFIG_BOOTP_GATEWAY
  42. #define CONFIG_BOOTP_SUBNETMASK
  43. #define CONFIG_NET_RETRY_COUNT 4
  44. #define CONFIG_CMD_PING
  45. #define CONFIG_DRIVER_TI_CPSW /* Driver for IP block */
  46. #define CONFIG_MII /* Required in net/eth.c */
  47. #define CONFIG_SPL_ETH_SUPPORT
  48. #define CONFIG_PHYLIB
  49. #define CONFIG_PHY_NATSEMI
  50. #define CONFIG_SPL_NET_SUPPORT
  51. #define CONFIG_SPL_ENV_SUPPORT /* used for a fetching MAC-Address */
  52. #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL"
  53. /*
  54. * SPL related defines. The Public RAM memory map the ROM defines the
  55. * area between 0x402F0400 and 0x4030B800 as a download area and
  56. * 0x4030B800 to 0x4030CE00 as a public stack area. The ROM also
  57. * supports X-MODEM loading via UART, and we leverage this and then use
  58. * Y-MODEM to load u-boot.img, when booted over UART.
  59. */
  60. #define CONFIG_SPL_TEXT_BASE 0x402F0400
  61. #define CONFIG_SPL_MAX_SIZE (0x4030B800 - CONFIG_SPL_TEXT_BASE)
  62. /*
  63. * Since SPL did pll and ddr initialization for us,
  64. * we don't need to do it twice.
  65. */
  66. #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
  67. #define CONFIG_SKIP_LOWLEVEL_INIT
  68. #endif /* !CONFIG_SPL_BUILD, ... */
  69. /*
  70. * Our DDR memory always starts at 0x80000000 and U-Boot shall have
  71. * relocated itself to higher in memory by the time this value is used.
  72. */
  73. #define CONFIG_SYS_LOAD_ADDR 0x80000000
  74. /*
  75. * ----------------------------------------------------------------------------
  76. * DDR information. We say (for simplicity) that we have 1 bank,
  77. * always, even when we have more. We always start at 0x80000000,
  78. * and we place the initial stack pointer in our SRAM.
  79. */
  80. #define CONFIG_NR_DRAM_BANKS 1
  81. #define CONFIG_SYS_SDRAM_BASE 0x80000000
  82. #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \
  83. GENERATED_GBL_DATA_SIZE)
  84. /* I2C */
  85. #define CONFIG_SYS_I2C
  86. #define CONFIG_SYS_OMAP24_I2C_SPEED 100000
  87. #define CONFIG_SYS_OMAP24_I2C_SLAVE 1
  88. #define CONFIG_SYS_I2C_OMAP24XX
  89. #define CONFIG_CMD_I2C
  90. /* GPIO */
  91. #define CONFIG_OMAP_GPIO
  92. #define CONFIG_CMD_GPIO
  93. /*
  94. * ----------------------------------------------------------------------------
  95. * The following are general good-enough settings for U-Boot. We set a
  96. * large malloc pool as we generally have a lot of DDR, and we opt for
  97. * function over binary size in the main portion of U-Boot as this is
  98. * generally easily constrained later if needed. We enable the config
  99. * options that give us information in the environment about what board
  100. * we are on so we do not need to rely on the command prompt. We set a
  101. * console baudrate of 115200 and use the default baud rate table.
  102. */
  103. #define CONFIG_SYS_MALLOC_LEN (1024 << 10)
  104. #define CONFIG_SYS_HUSH_PARSER
  105. #define CONFIG_SYS_PROMPT "U-Boot (BuR V2.0)# "
  106. #define CONFIG_SYS_CONSOLE_INFO_QUIET
  107. #define CONFIG_ENV_OVERWRITE /* Overwrite ethaddr / serial# */
  108. /* As stated above, the following choices are optional. */
  109. #define CONFIG_SYS_LONGHELP
  110. #define CONFIG_AUTO_COMPLETE
  111. #define CONFIG_CMDLINE_EDITING
  112. #define CONFIG_VERSION_VARIABLE
  113. /* We set the max number of command args high to avoid HUSH bugs. */
  114. #define CONFIG_SYS_MAXARGS 64
  115. /* Console I/O Buffer Size */
  116. #define CONFIG_SYS_CBSIZE 512
  117. /* Print Buffer Size */
  118. #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE +\
  119. sizeof(CONFIG_SYS_PROMPT) + 16)
  120. /* Boot Argument Buffer Size */
  121. #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
  122. /*
  123. * For commands to use, we take the default list and add a few other
  124. * useful commands. Note that we must have set CONFIG_SYS_NO_FLASH
  125. * prior to this include, in order to skip a few commands. When we do
  126. * have flash, if we expect these commands they must be enabled in that
  127. * config. If desired, a specific list of desired commands can be used
  128. * instead.
  129. */
  130. #include <config_cmd_default.h>
  131. /* undefine commands, which we do not need */
  132. #undef CONFIG_CMD_EDITENV
  133. #undef CONFIG_CMD_FPGA
  134. #undef CONFIG_CMD_IMI
  135. #undef CONFIG_CMD_ITEST
  136. #undef CONFIG_CMD_LOADS
  137. #undef CONFIG_CMD_LOADB
  138. #undef CONFIG_CMD_NFS
  139. #undef CONFIG_CMD_SETGETDCR
  140. #undef CONFIG_CMD_XIMG
  141. #undef CONFIG_CMD_CRC32
  142. /* define command we need always */
  143. #define CONFIG_CMD_ECHO
  144. #define CONFIG_CMD_SOURCE
  145. /*
  146. * Our platforms make use of SPL to initalize the hardware (primarily
  147. * memory) enough for full U-Boot to be loaded. We also support Falcon
  148. * Mode so that the Linux kernel can be booted directly from SPL
  149. * instead, if desired. We make use of the general SPL framework found
  150. * under common/spl/. Given our generally common memory map, we set a
  151. * number of related defaults and sizes here.
  152. */
  153. #define CONFIG_SPL 1
  154. #define CONFIG_SPL_FRAMEWORK
  155. /*
  156. * Place the image at the start of the ROM defined image space.
  157. * We limit our size to the ROM-defined downloaded image area, and use the
  158. * rest of the space for stack. We load U-Boot itself into memory at
  159. * 0x80800000 for legacy reasons (to not conflict with older SPLs). We
  160. * have our BSS be placed 1MiB after this, to allow for the default
  161. * Linux kernel address of 0x80008000 to work, in the Falcon Mode case.
  162. * We have the SPL malloc pool at the end of the BSS area.
  163. *
  164. * ----------------------------------------------------------------------------
  165. */
  166. #define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR
  167. #undef CONFIG_SYS_TEXT_BASE
  168. #define CONFIG_SYS_TEXT_BASE 0x80800000
  169. #define CONFIG_SPL_BSS_START_ADDR 0x80A00000
  170. #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
  171. #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \
  172. CONFIG_SPL_BSS_MAX_SIZE)
  173. #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN
  174. /* General parts of the framework, required. */
  175. #define CONFIG_SPL_I2C_SUPPORT
  176. #define CONFIG_SPL_LIBCOMMON_SUPPORT
  177. #define CONFIG_SPL_LIBGENERIC_SUPPORT
  178. #define CONFIG_SPL_SERIAL_SUPPORT
  179. #define CONFIG_SPL_BOARD_INIT
  180. #define CONFIG_SPL_YMODEM_SUPPORT
  181. #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds"
  182. #endif /* ! __BUR_AM335X_COMMON_H__ */