board-common.c 2.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149
  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 <environment.h>
  11. #include <asm/arch/mem.h>
  12. #include <asm/arch/sm.h>
  13. #include <asm/armv8/mmu.h>
  14. #include <asm/unaligned.h>
  15. #include <efi_loader.h>
  16. DECLARE_GLOBAL_DATA_PTR;
  17. __weak int board_init(void)
  18. {
  19. return 0;
  20. }
  21. int dram_init(void)
  22. {
  23. const fdt64_t *val;
  24. int offset;
  25. int len;
  26. offset = fdt_path_offset(gd->fdt_blob, "/memory");
  27. if (offset < 0)
  28. return -EINVAL;
  29. val = fdt_getprop(gd->fdt_blob, offset, "reg", &len);
  30. if (len < sizeof(*val) * 2)
  31. return -EINVAL;
  32. /* Use unaligned access since cache is still disabled */
  33. gd->ram_size = get_unaligned_be64(&val[1]);
  34. return 0;
  35. }
  36. __weak int meson_ft_board_setup(void *blob, bd_t *bd)
  37. {
  38. return 0;
  39. }
  40. int ft_board_setup(void *blob, bd_t *bd)
  41. {
  42. meson_init_reserved_memory(blob);
  43. return meson_ft_board_setup(blob, bd);
  44. }
  45. void meson_board_add_reserved_memory(void *fdt, u64 start, u64 size)
  46. {
  47. int ret;
  48. ret = fdt_add_mem_rsv(fdt, start, size);
  49. if (ret)
  50. printf("Could not reserve zone @ 0x%llx\n", start);
  51. if (IS_ENABLED(CONFIG_EFI_LOADER)) {
  52. efi_add_memory_map(start,
  53. ALIGN(size, EFI_PAGE_SIZE) >> EFI_PAGE_SHIFT,
  54. EFI_RESERVED_MEMORY_TYPE, false);
  55. }
  56. }
  57. int meson_generate_serial_ethaddr(void)
  58. {
  59. u8 mac_addr[ARP_HLEN];
  60. char serial[SM_SERIAL_SIZE];
  61. u32 sid;
  62. u16 sid16;
  63. if (!meson_sm_get_serial(serial, SM_SERIAL_SIZE)) {
  64. sid = crc32(0, (unsigned char *)serial, SM_SERIAL_SIZE);
  65. sid16 = crc16_ccitt(0, (unsigned char *)serial, SM_SERIAL_SIZE);
  66. /* Ensure the NIC specific bytes of the mac are not all 0 */
  67. if ((sid & 0xffffff) == 0)
  68. sid |= 0x800000;
  69. /* Non OUI / registered MAC address */
  70. mac_addr[0] = ((sid16 >> 8) & 0xfc) | 0x02;
  71. mac_addr[1] = (sid16 >> 0) & 0xff;
  72. mac_addr[2] = (sid >> 24) & 0xff;
  73. mac_addr[3] = (sid >> 16) & 0xff;
  74. mac_addr[4] = (sid >> 8) & 0xff;
  75. mac_addr[5] = (sid >> 0) & 0xff;
  76. eth_env_set_enetaddr("ethaddr", mac_addr);
  77. } else
  78. return -EINVAL;
  79. return 0;
  80. }
  81. static void meson_set_boot_source(void)
  82. {
  83. const char *source;
  84. switch (meson_get_boot_device()) {
  85. case BOOT_DEVICE_EMMC:
  86. source = "emmc";
  87. break;
  88. case BOOT_DEVICE_NAND:
  89. source = "nand";
  90. break;
  91. case BOOT_DEVICE_SPI:
  92. source = "spi";
  93. break;
  94. case BOOT_DEVICE_SD:
  95. source = "sd";
  96. break;
  97. case BOOT_DEVICE_USB:
  98. source = "usb";
  99. break;
  100. default:
  101. source = "unknown";
  102. }
  103. env_set("boot_source", source);
  104. }
  105. __weak int meson_board_late_init(void)
  106. {
  107. return 0;
  108. }
  109. int board_late_init(void)
  110. {
  111. meson_set_boot_source();
  112. return meson_board_late_init();
  113. }
  114. void reset_cpu(ulong addr)
  115. {
  116. psci_system_reset();
  117. }