qemu-arm.c 1.2 KB

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  1. /*
  2. * Copyright (c) 2017 Tuomas Tynkkynen
  3. *
  4. * SPDX-License-Identifier: GPL-2.0+
  5. */
  6. #include <common.h>
  7. #include <fdtdec.h>
  8. #ifdef CONFIG_ARM64
  9. #include <asm/armv8/mmu.h>
  10. static struct mm_region qemu_arm64_mem_map[] = {
  11. {
  12. /* Flash */
  13. .virt = 0x00000000UL,
  14. .phys = 0x00000000UL,
  15. .size = 0x08000000UL,
  16. .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
  17. PTE_BLOCK_INNER_SHARE
  18. }, {
  19. /* Peripherals */
  20. .virt = 0x08000000UL,
  21. .phys = 0x08000000UL,
  22. .size = 0x38000000,
  23. .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
  24. PTE_BLOCK_NON_SHARE |
  25. PTE_BLOCK_PXN | PTE_BLOCK_UXN
  26. }, {
  27. /* RAM */
  28. .virt = 0x40000000UL,
  29. .phys = 0x40000000UL,
  30. .size = 0xc0000000UL,
  31. .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
  32. PTE_BLOCK_INNER_SHARE
  33. }, {
  34. /* List terminator */
  35. 0,
  36. }
  37. };
  38. struct mm_region *mem_map = qemu_arm64_mem_map;
  39. #endif
  40. int board_init(void)
  41. {
  42. return 0;
  43. }
  44. int dram_init(void)
  45. {
  46. if (fdtdec_setup_memory_size() != 0)
  47. return -EINVAL;
  48. return 0;
  49. }
  50. int dram_init_banksize(void)
  51. {
  52. fdtdec_setup_memory_banksize();
  53. return 0;
  54. }
  55. void *board_fdt_blob_setup(void)
  56. {
  57. /* QEMU loads a generated DTB for us at the start of RAM. */
  58. return (void *)CONFIG_SYS_SDRAM_BASE;
  59. }