gpio.h 1.6 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * Copyright (c) 2016 Google, Inc
  4. *
  5. * From Coreboot src/soc/intel/broadwell/include/soc/gpio.h
  6. */
  7. #ifndef __ASM_ARCH_GPIO
  8. #define __ASM_ARCH_GPIO
  9. #define GPIO_PER_BANK 32
  10. #define GPIO_BANKS 3
  11. struct broadwell_bank_plat {
  12. uint16_t base_addr;
  13. const char *bank_name;
  14. int bank;
  15. };
  16. /* PCH-LP GPIOBASE Registers */
  17. struct pch_lp_gpio_regs {
  18. u32 own[GPIO_BANKS];
  19. u32 reserved0;
  20. u16 pirq_to_ioxapic;
  21. u16 reserved1[3];
  22. u32 blink;
  23. u32 ser_blink;
  24. u32 ser_blink_cmdsts;
  25. u32 ser_blink_data;
  26. u16 gpi_nmi_en;
  27. u16 gpi_nmi_sts;
  28. u32 reserved2;
  29. u32 gpi_route[GPIO_BANKS];
  30. u32 reserved3;
  31. u32 reserved4[4];
  32. u32 alt_gpi_smi_sts;
  33. u32 alt_gpi_smi_en;
  34. u32 reserved5[2];
  35. u32 rst_sel[GPIO_BANKS];
  36. u32 reserved6;
  37. u32 reserved9[3];
  38. u32 gpio_gc;
  39. u32 gpi_is[GPIO_BANKS];
  40. u32 reserved10;
  41. u32 gpi_ie[GPIO_BANKS];
  42. u32 reserved11;
  43. u32 reserved12[24];
  44. struct {
  45. u32 conf_a;
  46. u32 conf_b;
  47. } config[GPIO_BANKS * GPIO_PER_BANK];
  48. };
  49. check_member(pch_lp_gpio_regs, gpi_ie[0], 0x90);
  50. check_member(pch_lp_gpio_regs, config[0], 0x100);
  51. enum {
  52. CONFA_MODE_SHIFT = 0,
  53. CONFA_MODE_GPIO = 1 << CONFA_MODE_SHIFT,
  54. CONFA_DIR_SHIFT = 2,
  55. CONFA_DIR_INPUT = 1 << CONFA_DIR_SHIFT,
  56. CONFA_INVERT_SHIFT = 3,
  57. CONFA_INVERT = 1 << CONFA_INVERT_SHIFT,
  58. CONFA_TRIGGER_SHIFT = 4,
  59. CONFA_TRIGGER_LEVEL = 1 << CONFA_TRIGGER_SHIFT,
  60. CONFA_LEVEL_SHIFT = 30,
  61. CONFA_LEVEL_HIGH = 1UL << CONFA_LEVEL_SHIFT,
  62. CONFA_OUTPUT_SHIFT = 31,
  63. CONFA_OUTPUT_HIGH = 1UL << CONFA_OUTPUT_SHIFT,
  64. CONFB_SENSE_SHIFT = 2,
  65. CONFB_SENSE_DISABLE = 1 << CONFB_SENSE_SHIFT,
  66. };
  67. #endif