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. #if defined(CONFIG_ROCKCHIP_RK3188)
  13. struct rockchip_uart_platdata {
  14. struct dtd_rockchip_rk3188_uart dtplat;
  15. struct ns16550_platdata plat;
  16. };
  17. struct dtd_rockchip_rk3188_uart *dtplat, s_dtplat;
  18. #elif defined(CONFIG_ROCKCHIP_RK3288)
  19. struct rockchip_uart_platdata {
  20. struct dtd_rockchip_rk3288_uart dtplat;
  21. struct ns16550_platdata plat;
  22. };
  23. struct dtd_rockchip_rk3288_uart *dtplat, s_dtplat;
  24. #endif
  25. static int rockchip_serial_probe(struct udevice *dev)
  26. {
  27. struct rockchip_uart_platdata *plat = dev_get_platdata(dev);
  28. /* Create some new platform data for the standard driver */
  29. plat->plat.base = plat->dtplat.reg[0];
  30. plat->plat.reg_shift = plat->dtplat.reg_shift;
  31. plat->plat.clock = plat->dtplat.clock_frequency;
  32. plat->plat.fcr = UART_FCR_DEFVAL;
  33. dev->platdata = &plat->plat;
  34. return ns16550_serial_probe(dev);
  35. }
  36. U_BOOT_DRIVER(rockchip_rk3188_uart) = {
  37. .name = "rockchip_rk3188_uart",
  38. .id = UCLASS_SERIAL,
  39. .priv_auto_alloc_size = sizeof(struct NS16550),
  40. .platdata_auto_alloc_size = sizeof(struct rockchip_uart_platdata),
  41. .probe = rockchip_serial_probe,
  42. .ops = &ns16550_serial_ops,
  43. .flags = DM_FLAG_PRE_RELOC,
  44. };
  45. U_BOOT_DRIVER(rockchip_rk3288_uart) = {
  46. .name = "rockchip_rk3288_uart",
  47. .id = UCLASS_SERIAL,
  48. .priv_auto_alloc_size = sizeof(struct NS16550),
  49. .platdata_auto_alloc_size = sizeof(struct rockchip_uart_platdata),
  50. .probe = rockchip_serial_probe,
  51. .ops = &ns16550_serial_ops,
  52. .flags = DM_FLAG_PRE_RELOC,
  53. };