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 <init.h>
  8. #include <asm/mach-types.h>
  9. #include <common.h>
  10. #include <flash.h>
  11. #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
  12. #include <netdev.h>
  13. #endif
  14. #include <linux/io.h>
  15. #include <faraday/ftsmc020.h>
  16. DECLARE_GLOBAL_DATA_PTR;
  17. /*
  18. * Miscellaneous platform dependent initializations
  19. */
  20. int board_init(void)
  21. {
  22. /*
  23. * refer to BOOT_PARAMETER_PA_BASE within
  24. * "linux/arch/nds32/include/asm/misc_spec.h"
  25. */
  26. printf("Board: %s\n" , CONFIG_SYS_BOARD);
  27. gd->bd->bi_arch_number = MACH_TYPE_ADPAE3XX;
  28. gd->bd->bi_boot_params = PHYS_SDRAM_0 + 0x400;
  29. return 0;
  30. }
  31. int dram_init(void)
  32. {
  33. unsigned long sdram_base = PHYS_SDRAM_0;
  34. unsigned long expected_size = PHYS_SDRAM_0_SIZE + PHYS_SDRAM_1_SIZE;
  35. unsigned long actual_size;
  36. actual_size = get_ram_size((void *)sdram_base, expected_size);
  37. gd->ram_size = actual_size;
  38. if (expected_size != actual_size) {
  39. printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
  40. actual_size >> 20, expected_size >> 20);
  41. }
  42. return 0;
  43. }
  44. int dram_init_banksize(void)
  45. {
  46. gd->bd->bi_dram[0].start = PHYS_SDRAM_0;
  47. gd->bd->bi_dram[0].size = PHYS_SDRAM_0_SIZE;
  48. gd->bd->bi_dram[1].start = PHYS_SDRAM_1;
  49. gd->bd->bi_dram[1].size = PHYS_SDRAM_1_SIZE;
  50. return 0;
  51. }
  52. #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
  53. int board_eth_init(bd_t *bd)
  54. {
  55. return ftmac100_initialize(bd);
  56. }
  57. #endif
  58. ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
  59. {
  60. if (banknum == 0) { /* non-CFI boot flash */
  61. info->portwidth = FLASH_CFI_8BIT;
  62. info->chipwidth = FLASH_CFI_BY8;
  63. info->interface = FLASH_CFI_X8;
  64. return 1;
  65. } else {
  66. return 0;
  67. }
  68. }