amcc-common.h 7.2 KB

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  1. /*
  2. * (C) Copyright 2008, 2009
  3. * Stefan Roese, DENX Software Engineering, sr@denx.de.
  4. *
  5. * Common configuration options for all AMCC boards
  6. *
  7. * SPDX-License-Identifier: GPL-2.0+
  8. */
  9. #ifndef __AMCC_COMMON_H
  10. #define __AMCC_COMMON_H
  11. #define CONFIG_SYS_SDRAM_BASE 0x00000000 /* _must_ be 0 */
  12. #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* Start of U-Boot */
  13. #define CONFIG_SYS_MONITOR_LEN (0xFFFFFFFF - CONFIG_SYS_MONITOR_BASE + 1)
  14. #define CONFIG_SYS_MALLOC_LEN (1 << 20) /* Reserved for malloc */
  15. /*
  16. * UART
  17. */
  18. #define CONFIG_SYS_NS16550_SERIAL
  19. #ifndef CONFIG_DM_SERIAL
  20. #define CONFIG_SYS_NS16550_REG_SIZE 1
  21. #define CONFIG_SYS_NS16550_CLK get_serial_clock()
  22. #endif
  23. #define CONFIG_BAUDRATE 115200
  24. #define CONFIG_SYS_BAUDRATE_TABLE \
  25. {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
  26. /*
  27. * I2C
  28. */
  29. #define CONFIG_SYS_I2C
  30. #define CONFIG_SYS_I2C_PPC4XX
  31. #define CONFIG_SYS_I2C_PPC4XX_CH0
  32. #define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F
  33. /*
  34. * Ethernet/EMAC/PHY
  35. */
  36. #define CONFIG_PPC4xx_EMAC
  37. #define CONFIG_MII /* MII PHY management */
  38. #define CONFIG_NETCONSOLE /* include NetConsole support */
  39. #if defined(CONFIG_440)
  40. #define CONFIG_SYS_RX_ETH_BUFFER 32 /* number of eth rx buffers */
  41. #else
  42. #define CONFIG_SYS_RX_ETH_BUFFER 16 /* number of eth rx buffers */
  43. #endif
  44. /*
  45. * Commands
  46. */
  47. #if defined(CONFIG_440)
  48. #endif
  49. #define CONFIG_CMD_DIAG
  50. #define CONFIG_CMD_EEPROM
  51. #define CONFIG_CMD_IRQ
  52. #define CONFIG_CMD_REGINFO
  53. /*
  54. * Miscellaneous configurable options
  55. */
  56. #if defined(CONFIG_CMD_KGDB)
  57. #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
  58. #else
  59. #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
  60. #endif
  61. #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
  62. #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
  63. #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
  64. #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
  65. #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
  66. #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
  67. #define CONFIG_SYS_EXTBDINFO /* To use extended board_into (bd_t) */
  68. #define CONFIG_CMDLINE_EDITING /* add command line history */
  69. #define CONFIG_AUTO_COMPLETE /* add autocompletion support */
  70. #define CONFIG_MX_CYCLIC /* enable mdc/mwc commands */
  71. #define CONFIG_LOADS_ECHO /* echo on for serial download */
  72. #define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */
  73. /*
  74. * BOOTP options
  75. */
  76. #define CONFIG_BOOTP_BOOTFILESIZE
  77. #define CONFIG_BOOTP_BOOTPATH
  78. #define CONFIG_BOOTP_GATEWAY
  79. #define CONFIG_BOOTP_HOSTNAME
  80. #define CONFIG_BOOTP_SUBNETMASK
  81. /*
  82. * For booting Linux, the board info and command line data
  83. * have to be in the first 16 MB of memory, since this is
  84. * the maximum mapped by the 40x Linux kernel during initialization.
  85. */
  86. #define CONFIG_SYS_BOOTMAPSZ (16 << 20) /* Initial Memory map for Linux */
  87. #define CONFIG_SYS_BOOTM_LEN (16 << 20) /* Increase max gunzip size */
  88. /*
  89. * Internal Definitions
  90. */
  91. #if defined(CONFIG_CMD_KGDB)
  92. #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port*/
  93. #endif
  94. /* Update size in "reg" property of NOR FLASH device tree nodes */
  95. #define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
  96. /*
  97. * Booting and default environment
  98. */
  99. #define CONFIG_PREBOOT "echo;" \
  100. "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
  101. "echo"
  102. #define CONFIG_BOOTCOMMAND "run flash_self"
  103. /*
  104. * Only very few boards have default console not on ttyS0 (like Taishan)
  105. */
  106. #if !defined(CONFIG_USE_TTY)
  107. #define CONFIG_USE_TTY ttyS0
  108. #endif
  109. /*
  110. * Only very few boards have default netdev not set to eth0 (like Arches)
  111. */
  112. #if !defined(CONFIG_USE_NETDEV)
  113. #define CONFIG_USE_NETDEV eth0
  114. #endif
  115. /*
  116. * Only some 4xx PPC's are equipped with an FPU
  117. */
  118. #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
  119. defined(CONFIG_460EX) || defined(CONFIG_460GT)
  120. #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xxFP\0"
  121. #else
  122. #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xx\0"
  123. #endif
  124. /*
  125. * Only some boards need to extend the bootargs by some additional
  126. * parameters (like Makalu)
  127. */
  128. #if !defined(CONFIG_ADDMISC)
  129. #define CONFIG_ADDMISC "addmisc=setenv bootargs ${bootargs}\0"
  130. #endif
  131. /*
  132. * General common environment variables shared on all AMCC eval boards
  133. */
  134. #define CONFIG_AMCC_DEF_ENV \
  135. "netdev=" __stringify(CONFIG_USE_NETDEV) "\0" \
  136. "nfsargs=setenv bootargs root=/dev/nfs rw " \
  137. "nfsroot=${serverip}:${rootpath}\0" \
  138. "ramargs=setenv bootargs root=/dev/ram rw\0" \
  139. "addip=setenv bootargs ${bootargs} " \
  140. "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
  141. ":${hostname}:${netdev}:off panic=1\0" \
  142. "addtty=setenv bootargs ${bootargs}" \
  143. " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0" \
  144. CONFIG_ADDMISC \
  145. "initrd_high=30000000\0" \
  146. "kernel_addr_r=1000000\0" \
  147. "fdt_addr_r=1800000\0" \
  148. "ramdisk_addr_r=1900000\0" \
  149. "hostname=" __stringify(CONFIG_HOSTNAME) "\0" \
  150. "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0" \
  151. "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0" \
  152. CONFIG_AMCC_DEF_ENV_ROOTPATH
  153. /*
  154. * Default environment for arch/powerpc booting
  155. * for boards that are ported to arch/powerpc
  156. */
  157. #define CONFIG_AMCC_DEF_ENV_POWERPC \
  158. "flash_self=run ramargs addip addtty addmisc;" \
  159. "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0" \
  160. "flash_nfs=run nfsargs addip addtty addmisc;" \
  161. "bootm ${kernel_addr} - ${fdt_addr}\0" \
  162. "net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \
  163. "tftp ${fdt_addr_r} ${fdt_file}; " \
  164. "run nfsargs addip addtty addmisc;" \
  165. "bootm ${kernel_addr_r} - ${fdt_addr_r}\0" \
  166. "net_self_load=tftp ${kernel_addr_r} ${bootfile};" \
  167. "tftp ${fdt_addr_r} ${fdt_file};" \
  168. "tftp ${ramdisk_addr_r} ${ramdisk_file};\0" \
  169. "net_self=run net_self_load;" \
  170. "run ramargs addip addtty addmisc;" \
  171. "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
  172. "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0"
  173. /*
  174. * Default environment for arch/ppc booting,
  175. * for boards that are not ported to arch/powerpc yet
  176. */
  177. #define CONFIG_AMCC_DEF_ENV_PPC \
  178. "flash_self=run ramargs addip addtty addmisc;" \
  179. "bootm ${kernel_addr} ${ramdisk_addr}\0" \
  180. "flash_nfs=run nfsargs addip addtty addmisc;" \
  181. "bootm ${kernel_addr}\0" \
  182. "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \
  183. "run nfsargs addip addtty addmisc;" \
  184. "bootm ${kernel_addr_r}\0"
  185. /*
  186. * Default environment for arch/ppc booting (old version),
  187. * for boards that are ported to arch/ppc and arch/powerpc
  188. */
  189. #define CONFIG_AMCC_DEF_ENV_PPC_OLD \
  190. "flash_self_old=run ramargs addip addtty addmisc;" \
  191. "bootm ${kernel_addr} ${ramdisk_addr}\0" \
  192. "flash_nfs_old=run nfsargs addip addtty addmisc;" \
  193. "bootm ${kernel_addr}\0" \
  194. "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};" \
  195. "run nfsargs addip addtty addmisc;" \
  196. "bootm ${kernel_addr_r}\0"
  197. #define CONFIG_AMCC_DEF_ENV_NOR_UPD \
  198. "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0" \
  199. "load=tftp 200000 ${u-boot}\0" \
  200. "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
  201. "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
  202. "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
  203. "upd=run load update\0" \
  204. #endif /* __AMCC_COMMON_H */