q200.c 1.0 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2016 BayLibre, SAS
  4. * Author: Neil Armstrong <narmstrong@baylibre.com>
  5. */
  6. #include <common.h>
  7. #include <dm.h>
  8. #include <env.h>
  9. #include <asm/io.h>
  10. #include <asm/arch/gx.h>
  11. #include <asm/arch/mem.h>
  12. #include <asm/arch/sm.h>
  13. #include <asm/arch/eth.h>
  14. #define EFUSE_SN_OFFSET 20
  15. #define EFUSE_SN_SIZE 16
  16. #define EFUSE_MAC_OFFSET 52
  17. #define EFUSE_MAC_SIZE 6
  18. int misc_init_r(void)
  19. {
  20. u8 mac_addr[EFUSE_MAC_SIZE];
  21. char serial[EFUSE_SN_SIZE];
  22. ssize_t len;
  23. meson_eth_init(PHY_INTERFACE_MODE_RGMII, 0);
  24. if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
  25. len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
  26. mac_addr, EFUSE_MAC_SIZE);
  27. if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
  28. eth_env_set_enetaddr("ethaddr", mac_addr);
  29. else
  30. meson_generate_serial_ethaddr();
  31. }
  32. if (!env_get("serial#")) {
  33. len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
  34. EFUSE_SN_SIZE);
  35. if (len == EFUSE_SN_SIZE)
  36. env_set("serial#", serial);
  37. }
  38. return 0;
  39. }