adp-ae3xx.c 1.8 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2011 Andes Technology Corporation
  4. * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
  5. * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
  6. */
  7. #include <asm/mach-types.h>
  8. #include <common.h>
  9. #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
  10. #include <netdev.h>
  11. #endif
  12. #include <linux/io.h>
  13. #include <faraday/ftsmc020.h>
  14. DECLARE_GLOBAL_DATA_PTR;
  15. /*
  16. * Miscellaneous platform dependent initializations
  17. */
  18. int board_init(void)
  19. {
  20. /*
  21. * refer to BOOT_PARAMETER_PA_BASE within
  22. * "linux/arch/nds32/include/asm/misc_spec.h"
  23. */
  24. printf("Board: %s\n" , CONFIG_SYS_BOARD);
  25. gd->bd->bi_arch_number = MACH_TYPE_ADPAE3XX;
  26. gd->bd->bi_boot_params = PHYS_SDRAM_0 + 0x400;
  27. return 0;
  28. }
  29. int dram_init(void)
  30. {
  31. unsigned long sdram_base = PHYS_SDRAM_0;
  32. unsigned long expected_size = PHYS_SDRAM_0_SIZE + PHYS_SDRAM_1_SIZE;
  33. unsigned long actual_size;
  34. actual_size = get_ram_size((void *)sdram_base, expected_size);
  35. gd->ram_size = actual_size;
  36. if (expected_size != actual_size) {
  37. printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
  38. actual_size >> 20, expected_size >> 20);
  39. }
  40. return 0;
  41. }
  42. int dram_init_banksize(void)
  43. {
  44. gd->bd->bi_dram[0].start = PHYS_SDRAM_0;
  45. gd->bd->bi_dram[0].size = PHYS_SDRAM_0_SIZE;
  46. gd->bd->bi_dram[1].start = PHYS_SDRAM_1;
  47. gd->bd->bi_dram[1].size = PHYS_SDRAM_1_SIZE;
  48. return 0;
  49. }
  50. #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
  51. int board_eth_init(bd_t *bd)
  52. {
  53. return ftmac100_initialize(bd);
  54. }
  55. #endif
  56. ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
  57. {
  58. if (banknum == 0) { /* non-CFI boot flash */
  59. info->portwidth = FLASH_CFI_8BIT;
  60. info->chipwidth = FLASH_CFI_BY8;
  61. info->interface = FLASH_CFI_X8;
  62. return 1;
  63. } else {
  64. return 0;
  65. }
  66. }