spl_net.c 2.2 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * (C) Copyright 2000-2004
  4. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  5. *
  6. * (C) Copyright 2012
  7. * Ilya Yanok <ilya.yanok@gmail.com>
  8. */
  9. #include <common.h>
  10. #include <errno.h>
  11. #include <spl.h>
  12. #include <net.h>
  13. #include <linux/libfdt.h>
  14. #if defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USB_ETHER)
  15. static ulong spl_net_load_read(struct spl_load_info *load, ulong sector,
  16. ulong count, void *buf)
  17. {
  18. debug("%s: sector %lx, count %lx, buf %lx\n",
  19. __func__, sector, count, (ulong)buf);
  20. memcpy(buf, (void *)(load_addr + sector), count);
  21. return count;
  22. }
  23. static int spl_net_load_image(struct spl_image_info *spl_image,
  24. struct spl_boot_device *bootdev)
  25. {
  26. struct image_header *header = (struct image_header *)load_addr;
  27. int rv;
  28. env_init();
  29. env_relocate();
  30. env_set("autoload", "yes");
  31. rv = eth_initialize();
  32. if (rv == 0) {
  33. printf("No Ethernet devices found\n");
  34. return -ENODEV;
  35. }
  36. if (bootdev->boot_device_name)
  37. env_set("ethact", bootdev->boot_device_name);
  38. rv = net_loop(BOOTP);
  39. if (rv < 0) {
  40. printf("Problem booting with BOOTP\n");
  41. return rv;
  42. }
  43. if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
  44. image_get_magic(header) == FDT_MAGIC) {
  45. struct spl_load_info load;
  46. debug("Found FIT\n");
  47. load.bl_len = 1;
  48. load.read = spl_net_load_read;
  49. rv = spl_load_simple_fit(spl_image, &load, 0, header);
  50. } else {
  51. debug("Legacy image\n");
  52. rv = spl_parse_image_header(spl_image, header);
  53. if (rv)
  54. return rv;
  55. memcpy((void *)spl_image->load_addr, header, spl_image->size);
  56. }
  57. return rv;
  58. }
  59. #endif
  60. #ifdef CONFIG_SPL_ETH_SUPPORT
  61. int spl_net_load_image_cpgmac(struct spl_image_info *spl_image,
  62. struct spl_boot_device *bootdev)
  63. {
  64. #ifdef CONFIG_SPL_ETH_DEVICE
  65. bootdev->boot_device_name = CONFIG_SPL_ETH_DEVICE;
  66. #endif
  67. return spl_net_load_image(spl_image, bootdev);
  68. }
  69. SPL_LOAD_IMAGE_METHOD("eth device", 0, BOOT_DEVICE_CPGMAC,
  70. spl_net_load_image_cpgmac);
  71. #endif
  72. #ifdef CONFIG_SPL_USB_ETHER
  73. int spl_net_load_image_usb(struct spl_image_info *spl_image,
  74. struct spl_boot_device *bootdev)
  75. {
  76. bootdev->boot_device_name = "usb_ether";
  77. return spl_net_load_image(spl_image, bootdev);
  78. }
  79. SPL_LOAD_IMAGE_METHOD("USB eth", 0, BOOT_DEVICE_USBETH, spl_net_load_image_usb);
  80. #endif