km_arm.h 6.2 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * (C) Copyright 2009
  4. * Marvell Semiconductor <www.marvell.com>
  5. * Prafulla Wadaskar <prafulla@marvell.com>
  6. *
  7. * (C) Copyright 2009
  8. * Stefan Roese, DENX Software Engineering, sr@denx.de.
  9. *
  10. * (C) Copyright 2010-2011
  11. * Heiko Schocher, DENX Software Engineering, hs@denx.de.
  12. */
  13. /*
  14. * for linking errors see
  15. * http://lists.denx.de/pipermail/u-boot/2009-July/057350.html
  16. */
  17. #ifndef _CONFIG_KM_ARM_H
  18. #define _CONFIG_KM_ARM_H
  19. /*
  20. * High Level Configuration Options (easy to change)
  21. */
  22. #define CONFIG_FEROCEON_88FR131 /* CPU Core subversion */
  23. #define CONFIG_KW88F6281 /* SOC Name */
  24. #define CONFIG_MACH_TYPE MACH_TYPE_KM_KIRKWOOD
  25. #define CONFIG_NAND_ECC_BCH
  26. /* include common defines/options for all Keymile boards */
  27. #include "keymile-common.h"
  28. /* Reserve 4 MB for malloc */
  29. #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
  30. #include "asm/arch/config.h"
  31. #define CONFIG_SYS_MEMTEST_START 0x00400000 /* 4M */
  32. #define CONFIG_SYS_MEMTEST_END 0x007fffff /*(_8M -1) */
  33. #define CONFIG_SYS_LOAD_ADDR 0x00800000 /* default load adr- 8M */
  34. /* architecture specific default bootargs */
  35. #define CONFIG_KM_DEF_BOOT_ARGS_CPU \
  36. "bootcountaddr=${bootcountaddr} ${mtdparts}" \
  37. " boardid=0x${IVM_BoardId} hwkey=0x${IVM_HWKey}"
  38. #define CONFIG_KM_DEF_ENV_CPU \
  39. "u-boot="CONFIG_HOSTNAME "/u-boot.kwb\0" \
  40. CONFIG_KM_UPDATE_UBOOT \
  41. "set_fdthigh=setenv fdt_high ${kernelmem}\0" \
  42. "checkfdt=" \
  43. "if cramfsls fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb; " \
  44. "then true; else setenv cramfsloadfdt true; " \
  45. "setenv boot bootm ${load_addr_r}; " \
  46. "echo No FDT found, booting with the kernel " \
  47. "appended one; fi\0" \
  48. ""
  49. #define CONFIG_SKIP_LOWLEVEL_INIT /* disable board lowlevel_init */
  50. /*
  51. * For booting Linux, the board info and command line data
  52. * have to be in the first 8 MB of memory, since this is
  53. * the maximum mapped by the Linux kernel during initialization.
  54. */
  55. #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
  56. #define CONFIG_INITRD_TAG /* enable INITRD tag */
  57. #define CONFIG_SETUP_MEMORY_TAGS /* enable memory tag */
  58. /*
  59. * NAND Flash configuration
  60. */
  61. #define CONFIG_SYS_MAX_NAND_DEVICE 1
  62. /*
  63. * Other required minimal configurations
  64. */
  65. /*
  66. * Ethernet Driver configuration
  67. */
  68. #define PHY_ANEG_TIMEOUT 8000 /* PHY needs a longer autoneg timeout */
  69. #define CONFIG_MVGBE_PORTS {1, 0} /* enable port 0 only */
  70. #define CONFIG_PHY_BASE_ADR 0
  71. /*
  72. * I2C related stuff
  73. */
  74. #undef CONFIG_I2C_MVTWSI
  75. #define CONFIG_SYS_I2C
  76. #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
  77. #define CONFIG_SYS_I2C_INIT_BOARD
  78. #define CONFIG_KIRKWOOD_GPIO /* Enable GPIO Support */
  79. #define CONFIG_SYS_NUM_I2C_BUSES 6
  80. #define CONFIG_SYS_I2C_MAX_HOPS 1
  81. #define CONFIG_SYS_I2C_BUSES { {0, {I2C_NULL_HOP} }, \
  82. {0, {{I2C_MUX_PCA9547, 0x70, 1} } }, \
  83. {0, {{I2C_MUX_PCA9547, 0x70, 2} } }, \
  84. {0, {{I2C_MUX_PCA9547, 0x70, 3} } }, \
  85. {0, {{I2C_MUX_PCA9547, 0x70, 4} } }, \
  86. {0, {{I2C_MUX_PCA9547, 0x70, 5} } }, \
  87. }
  88. #ifndef __ASSEMBLY__
  89. #include <asm/arch/gpio.h>
  90. extern void __set_direction(unsigned pin, int high);
  91. void set_sda(int state);
  92. void set_scl(int state);
  93. int get_sda(void);
  94. int get_scl(void);
  95. #define KM_KIRKWOOD_SDA_PIN 8
  96. #define KM_KIRKWOOD_SCL_PIN 9
  97. #define KM_KIRKWOOD_SOFT_I2C_GPIOS 0x0300
  98. #define KM_KIRKWOOD_ENV_WP 38
  99. #define I2C_ACTIVE __set_direction(KM_KIRKWOOD_SDA_PIN, 0)
  100. #define I2C_TRISTATE __set_direction(KM_KIRKWOOD_SDA_PIN, 1)
  101. #define I2C_READ (kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0)
  102. #define I2C_SDA(bit) kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit)
  103. #define I2C_SCL(bit) kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit)
  104. #endif
  105. #define I2C_DELAY udelay(1)
  106. #define I2C_SOFT_DECLARATIONS
  107. #define CONFIG_SYS_I2C_SOFT_SLAVE 0x0
  108. #define CONFIG_SYS_I2C_SOFT_SPEED 100000
  109. /* EEprom support 24C128, 24C256 valid for environment eeprom */
  110. #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
  111. #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 /* 64 Byte write page */
  112. #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10
  113. #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
  114. #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
  115. /*
  116. * Environment variables configurations
  117. */
  118. #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
  119. #define CONFIG_ENV_OFFSET 0xc0000 /* no bracets! */
  120. #define CONFIG_ENV_SIZE 0x02000 /* Size of Environment */
  121. #define CONFIG_ENV_SECT_SIZE 0x10000
  122. #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + \
  123. CONFIG_ENV_SECT_SIZE)
  124. #define CONFIG_ENV_TOTAL_SIZE 0x20000 /* no bracets! */
  125. #else
  126. #define CONFIG_SYS_DEF_EEPROM_ADDR 0x50
  127. #define CONFIG_ENV_EEPROM_IS_ON_I2C
  128. #define CONFIG_SYS_EEPROM_WREN
  129. #define CONFIG_ENV_OFFSET 0x0 /* no bracets! */
  130. #define CONFIG_ENV_SIZE (0x2000 - CONFIG_ENV_OFFSET)
  131. #define CONFIG_I2C_ENV_EEPROM_BUS 5 /* I2C2 (Mux-Port 5) */
  132. #define CONFIG_ENV_OFFSET_REDUND 0x2000 /* no bracets! */
  133. #endif
  134. #define KM_FLASH_GPIO_PIN 16
  135. #define CONFIG_KM_UPDATE_UBOOT \
  136. "update=" \
  137. "sf probe 0;sf erase 0 +${filesize};" \
  138. "sf write ${load_addr_r} 0 ${filesize};\0"
  139. #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
  140. #define CONFIG_KM_NEW_ENV \
  141. "newenv=sf probe 0;" \
  142. "sf erase " __stringify(CONFIG_ENV_OFFSET) " " \
  143. __stringify(CONFIG_ENV_TOTAL_SIZE)"\0"
  144. #else
  145. #define CONFIG_KM_NEW_ENV \
  146. "newenv=setenv addr 0x100000 && " \
  147. "i2c dev " __stringify(CONFIG_I2C_ENV_EEPROM_BUS) "; " \
  148. "mw.b ${addr} 0 4 && " \
  149. "eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \
  150. " ${addr} " __stringify(CONFIG_ENV_OFFSET) " 4 && " \
  151. "eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \
  152. " ${addr} " __stringify(CONFIG_ENV_OFFSET_REDUND) " 4\0"
  153. #endif
  154. #ifndef CONFIG_KM_BOARD_EXTRA_ENV
  155. #define CONFIG_KM_BOARD_EXTRA_ENV ""
  156. #endif
  157. /*
  158. * Default environment variables
  159. */
  160. #define CONFIG_EXTRA_ENV_SETTINGS \
  161. CONFIG_KM_BOARD_EXTRA_ENV \
  162. CONFIG_KM_DEF_ENV \
  163. CONFIG_KM_NEW_ENV \
  164. "arch=arm\0" \
  165. ""
  166. /* additions for new relocation code, must be added to all boards */
  167. #define CONFIG_SYS_SDRAM_BASE 0x00000000
  168. /* address for the bootcount (taken from end of RAM) */
  169. #define BOOTCOUNT_ADDR (CONFIG_KM_RESERVED_PRAM)
  170. /* enable POST tests */
  171. #define CONFIG_POST (CONFIG_SYS_POST_MEM_REGIONS)
  172. #define CONFIG_POST_SKIP_ENV_FLAGS
  173. #define CONFIG_POST_EXTERNAL_WORD_FUNCS
  174. #endif /* _CONFIG_KM_ARM_H */