board-common.c 2.7 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
  4. */
  5. #include <common.h>
  6. #include <asm/arch/boot.h>
  7. #include <env.h>
  8. #include <linux/libfdt.h>
  9. #include <linux/err.h>
  10. #include <asm/arch/mem.h>
  11. #include <asm/arch/sm.h>
  12. #include <asm/armv8/mmu.h>
  13. #include <asm/unaligned.h>
  14. #include <efi_loader.h>
  15. DECLARE_GLOBAL_DATA_PTR;
  16. __weak int board_init(void)
  17. {
  18. return 0;
  19. }
  20. int dram_init(void)
  21. {
  22. const fdt64_t *val;
  23. int offset;
  24. int len;
  25. offset = fdt_path_offset(gd->fdt_blob, "/memory");
  26. if (offset < 0)
  27. return -EINVAL;
  28. val = fdt_getprop(gd->fdt_blob, offset, "reg", &len);
  29. if (len < sizeof(*val) * 2)
  30. return -EINVAL;
  31. /* Use unaligned access since cache is still disabled */
  32. gd->ram_size = get_unaligned_be64(&val[1]);
  33. return 0;
  34. }
  35. __weak int meson_ft_board_setup(void *blob, bd_t *bd)
  36. {
  37. return 0;
  38. }
  39. int ft_board_setup(void *blob, bd_t *bd)
  40. {
  41. meson_init_reserved_memory(blob);
  42. return meson_ft_board_setup(blob, bd);
  43. }
  44. void meson_board_add_reserved_memory(void *fdt, u64 start, u64 size)
  45. {
  46. int ret;
  47. ret = fdt_add_mem_rsv(fdt, start, size);
  48. if (ret)
  49. printf("Could not reserve zone @ 0x%llx\n", start);
  50. if (IS_ENABLED(CONFIG_EFI_LOADER)) {
  51. efi_add_memory_map(start,
  52. ALIGN(size, EFI_PAGE_SIZE) >> EFI_PAGE_SHIFT,
  53. EFI_RESERVED_MEMORY_TYPE, false);
  54. }
  55. }
  56. int meson_generate_serial_ethaddr(void)
  57. {
  58. u8 mac_addr[ARP_HLEN];
  59. char serial[SM_SERIAL_SIZE];
  60. u32 sid;
  61. u16 sid16;
  62. if (!meson_sm_get_serial(serial, SM_SERIAL_SIZE)) {
  63. sid = crc32(0, (unsigned char *)serial, SM_SERIAL_SIZE);
  64. sid16 = crc16_ccitt(0, (unsigned char *)serial, SM_SERIAL_SIZE);
  65. /* Ensure the NIC specific bytes of the mac are not all 0 */
  66. if ((sid & 0xffffff) == 0)
  67. sid |= 0x800000;
  68. /* Non OUI / registered MAC address */
  69. mac_addr[0] = ((sid16 >> 8) & 0xfc) | 0x02;
  70. mac_addr[1] = (sid16 >> 0) & 0xff;
  71. mac_addr[2] = (sid >> 24) & 0xff;
  72. mac_addr[3] = (sid >> 16) & 0xff;
  73. mac_addr[4] = (sid >> 8) & 0xff;
  74. mac_addr[5] = (sid >> 0) & 0xff;
  75. eth_env_set_enetaddr("ethaddr", mac_addr);
  76. } else
  77. return -EINVAL;
  78. return 0;
  79. }
  80. static void meson_set_boot_source(void)
  81. {
  82. const char *source;
  83. switch (meson_get_boot_device()) {
  84. case BOOT_DEVICE_EMMC:
  85. source = "emmc";
  86. break;
  87. case BOOT_DEVICE_NAND:
  88. source = "nand";
  89. break;
  90. case BOOT_DEVICE_SPI:
  91. source = "spi";
  92. break;
  93. case BOOT_DEVICE_SD:
  94. source = "sd";
  95. break;
  96. case BOOT_DEVICE_USB:
  97. source = "usb";
  98. break;
  99. default:
  100. source = "unknown";
  101. }
  102. env_set("boot_source", source);
  103. }
  104. __weak int meson_board_late_init(void)
  105. {
  106. return 0;
  107. }
  108. int board_late_init(void)
  109. {
  110. meson_set_boot_source();
  111. return meson_board_late_init();
  112. }
  113. void reset_cpu(ulong addr)
  114. {
  115. psci_system_reset();
  116. }