serial_rockchip.c 1.6 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (c) 2015 Google, Inc
  4. */
  5. #include <common.h>
  6. #include <debug_uart.h>
  7. #include <dm.h>
  8. #include <dt-structs.h>
  9. #include <ns16550.h>
  10. #include <serial.h>
  11. #include <asm/arch-rockchip/clock.h>
  12. #include <dm/device-internal.h>
  13. #if defined(CONFIG_ROCKCHIP_RK3188)
  14. struct rockchip_uart_plat {
  15. struct dtd_rockchip_rk3188_uart dtplat;
  16. struct ns16550_plat plat;
  17. };
  18. struct dtd_rockchip_rk3188_uart *dtplat, s_dtplat;
  19. #elif defined(CONFIG_ROCKCHIP_RK3288)
  20. struct rockchip_uart_plat {
  21. struct dtd_rockchip_rk3288_uart dtplat;
  22. struct ns16550_plat plat;
  23. };
  24. struct dtd_rockchip_rk3288_uart *dtplat, s_dtplat;
  25. #endif
  26. static int rockchip_serial_probe(struct udevice *dev)
  27. {
  28. struct rockchip_uart_plat *plat = dev_get_plat(dev);
  29. /* Create some new platform data for the standard driver */
  30. plat->plat.base = plat->dtplat.reg[0];
  31. plat->plat.reg_shift = plat->dtplat.reg_shift;
  32. plat->plat.clock = plat->dtplat.clock_frequency;
  33. plat->plat.fcr = UART_FCR_DEFVAL;
  34. dev_set_plat(dev, &plat->plat);
  35. return ns16550_serial_probe(dev);
  36. }
  37. U_BOOT_DRIVER(rockchip_rk3188_uart) = {
  38. .name = "rockchip_rk3188_uart",
  39. .id = UCLASS_SERIAL,
  40. .priv_auto = sizeof(struct ns16550),
  41. .plat_auto = sizeof(struct rockchip_uart_plat),
  42. .probe = rockchip_serial_probe,
  43. .ops = &ns16550_serial_ops,
  44. .flags = DM_FLAG_PRE_RELOC,
  45. };
  46. U_BOOT_DRIVER(rockchip_rk3288_uart) = {
  47. .name = "rockchip_rk3288_uart",
  48. .id = UCLASS_SERIAL,
  49. .priv_auto = sizeof(struct ns16550),
  50. .plat_auto = sizeof(struct rockchip_uart_plat),
  51. .probe = rockchip_serial_probe,
  52. .ops = &ns16550_serial_ops,
  53. .flags = DM_FLAG_PRE_RELOC,
  54. };