t4240emu.c 1.6 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright 2013 Freescale Semiconductor, Inc.
  4. */
  5. #include <common.h>
  6. #include <command.h>
  7. #include <env.h>
  8. #include <fdt_support.h>
  9. #include <i2c.h>
  10. #include <init.h>
  11. #include <netdev.h>
  12. #include <linux/compiler.h>
  13. #include <asm/mmu.h>
  14. #include <asm/processor.h>
  15. #include <asm/cache.h>
  16. #include <asm/immap_85xx.h>
  17. #include <asm/fsl_law.h>
  18. #include <asm/fsl_serdes.h>
  19. #include <asm/fsl_liodn.h>
  20. DECLARE_GLOBAL_DATA_PTR;
  21. int checkboard(void)
  22. {
  23. struct cpu_type *cpu = gd->arch.cpu;
  24. printf("Board: %sEMU\n", cpu->name);
  25. return 0;
  26. }
  27. int board_early_init_r(void)
  28. {
  29. const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
  30. int flash_esel = find_tlb_idx((void *)flashbase, 1);
  31. /*
  32. * Remap Boot flash + PROMJET region to caching-inhibited
  33. * so that flash can be erased properly.
  34. */
  35. /* Flush d-cache and invalidate i-cache of any FLASH data */
  36. flush_dcache();
  37. invalidate_icache();
  38. if (flash_esel == -1) {
  39. /* very unlikely unless something is messed up */
  40. puts("Error: Could not find TLB for FLASH BASE\n");
  41. flash_esel = 2; /* give our best effort to continue */
  42. } else {
  43. /* invalidate existing TLB entry for flash */
  44. disable_tlb(flash_esel);
  45. }
  46. set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
  47. MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  48. 0, flash_esel, BOOKE_PAGESZ_256M, 1);
  49. return 0;
  50. }
  51. int misc_init_r(void)
  52. {
  53. return 0;
  54. }
  55. int ft_board_setup(void *blob, bd_t *bd)
  56. {
  57. phys_addr_t base;
  58. phys_size_t size;
  59. ft_cpu_setup(blob, bd);
  60. base = env_get_bootm_low();
  61. size = env_get_bootm_size();
  62. fdt_fixup_memory(blob, (u64)base, (u64)size);
  63. fdt_fixup_liodn(blob);
  64. fsl_fdt_fixup_dr_usb(blob, bd);
  65. return 0;
  66. }