t4240rdb.c 3.2 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright 2014 Freescale Semiconductor, Inc.
  4. */
  5. #include <common.h>
  6. #include <command.h>
  7. #include <env.h>
  8. #include <i2c.h>
  9. #include <init.h>
  10. #include <netdev.h>
  11. #include <linux/compiler.h>
  12. #include <asm/mmu.h>
  13. #include <asm/processor.h>
  14. #include <asm/cache.h>
  15. #include <asm/immap_85xx.h>
  16. #include <asm/fsl_law.h>
  17. #include <asm/fsl_serdes.h>
  18. #include <asm/fsl_liodn.h>
  19. #include <fm_eth.h>
  20. #include "t4rdb.h"
  21. #include "cpld.h"
  22. #include "../common/vid.h"
  23. DECLARE_GLOBAL_DATA_PTR;
  24. int checkboard(void)
  25. {
  26. struct cpu_type *cpu = gd->arch.cpu;
  27. u8 sw;
  28. printf("Board: %sRDB, ", cpu->name);
  29. printf("Board rev: 0x%02x CPLD ver: 0x%02x%02x, ",
  30. CPLD_READ(hw_ver), CPLD_READ(sw_maj_ver), CPLD_READ(sw_min_ver));
  31. sw = CPLD_READ(vbank);
  32. sw = sw & CPLD_BANK_SEL_MASK;
  33. if (sw <= 7)
  34. printf("vBank: %d\n", sw);
  35. else
  36. printf("Unsupported Bank=%x\n", sw);
  37. puts("SERDES Reference Clocks:\n");
  38. printf(" SERDES1=100MHz SERDES2=156.25MHz\n"
  39. " SERDES3=100MHz SERDES4=100MHz\n");
  40. return 0;
  41. }
  42. int board_early_init_r(void)
  43. {
  44. const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
  45. int flash_esel = find_tlb_idx((void *)flashbase, 1);
  46. /*
  47. * Remap Boot flash + PROMJET region to caching-inhibited
  48. * so that flash can be erased properly.
  49. */
  50. /* Flush d-cache and invalidate i-cache of any FLASH data */
  51. flush_dcache();
  52. invalidate_icache();
  53. if (flash_esel == -1) {
  54. /* very unlikely unless something is messed up */
  55. puts("Error: Could not find TLB for FLASH BASE\n");
  56. flash_esel = 2; /* give our best effort to continue */
  57. } else {
  58. /* invalidate existing TLB entry for flash + promjet */
  59. disable_tlb(flash_esel);
  60. }
  61. set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
  62. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  63. 0, flash_esel, BOOKE_PAGESZ_256M, 1);
  64. /*
  65. * Adjust core voltage according to voltage ID
  66. * This function changes I2C mux to channel 2.
  67. */
  68. if (adjust_vdd(0))
  69. printf("Warning: Adjusting core voltage failed.\n");
  70. return 0;
  71. }
  72. int misc_init_r(void)
  73. {
  74. return 0;
  75. }
  76. int ft_board_setup(void *blob, bd_t *bd)
  77. {
  78. phys_addr_t base;
  79. phys_size_t size;
  80. ft_cpu_setup(blob, bd);
  81. base = env_get_bootm_low();
  82. size = env_get_bootm_size();
  83. fdt_fixup_memory(blob, (u64)base, (u64)size);
  84. #ifdef CONFIG_PCI
  85. pci_of_setup(blob, bd);
  86. #endif
  87. fdt_fixup_liodn(blob);
  88. fsl_fdt_fixup_dr_usb(blob, bd);
  89. #ifdef CONFIG_SYS_DPAA_FMAN
  90. fdt_fixup_fman_ethernet(blob);
  91. fdt_fixup_board_enet(blob);
  92. #endif
  93. return 0;
  94. }
  95. /*
  96. * This function is called by bdinfo to print detail board information.
  97. * As an exmaple for future board, we organize the messages into
  98. * several sections. If applicable, the message is in the format of
  99. * <name> = <value>
  100. * It should aligned with normal output of bdinfo command.
  101. *
  102. * Voltage: Core, DDR and another configurable voltages
  103. * Clock : Critical clocks which are not printed already
  104. * RCW : RCW source if not printed already
  105. * Misc : Other important information not in above catagories
  106. */
  107. void board_detail(void)
  108. {
  109. int rcwsrc;
  110. /* RCW section SW3[4] */
  111. rcwsrc = 0x0;
  112. puts("RCW source = ");
  113. switch (rcwsrc & 0x1) {
  114. case 0x1:
  115. puts("SDHC/eMMC\n");
  116. break;
  117. default:
  118. puts("I2C normal addressing\n");
  119. break;
  120. }
  121. }