soc-utils.c 832 B

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  1. // SPDX-License-Identifier: GPL-2.0
  2. /*
  3. * Copyright (C) 2019 Marvell International Ltd.
  4. *
  5. * https://spdx.org/licenses
  6. */
  7. #include <common.h>
  8. #include <dm.h>
  9. #include <malloc.h>
  10. #include <errno.h>
  11. #include <asm/io.h>
  12. #include <linux/compiler.h>
  13. #include <asm/arch/soc.h>
  14. #include <asm/arch/board.h>
  15. #include <dm/util.h>
  16. int read_platform(void)
  17. {
  18. int plat = PLATFORM_HW;
  19. const char *model = fdt_get_board_model();
  20. if (model && !strncmp(model, "ASIM-", 5))
  21. plat = PLATFORM_ASIM;
  22. if (model && !strncmp(model, "EMUL-", 5))
  23. plat = PLATFORM_EMULATOR;
  24. return plat;
  25. }
  26. static inline u64 read_midr(void)
  27. {
  28. u64 result;
  29. asm ("mrs %[rd],MIDR_EL1" : [rd] "=r" (result));
  30. return result;
  31. }
  32. u8 read_partnum(void)
  33. {
  34. return ((read_midr() >> 4) & 0xFF);
  35. }
  36. const char *read_board_name(void)
  37. {
  38. return fdt_get_board_model();
  39. }