git.sur5r.net Git - u-boot/blob - arch/x86/include/asm/arch-broadwell/gpio.h

   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
   8 #ifndef __ASM_ARCH_GPIO
   9 #define __ASM_ARCH_GPIO
  10
  11 #define GPIO_PER_BANK   32
  12 #define GPIO_BANKS      3
  13
  14 struct broadwell_bank_platdata {
  15         uint16_t base_addr;
  16         const char *bank_name;
  17         int bank;
  18 };
  19
  20 /* PCH-LP GPIOBASE Registers */
  21 struct pch_lp_gpio_regs {
  22         u32 own[GPIO_BANKS];
  23         u32 reserved0;
  24
  25         u16 pirq_to_ioxapic;
  26         u16 reserved1[3];
  27         u32 blink;
  28         u32 ser_blink;
  29
  30         u32 ser_blink_cmdsts;
  31         u32 ser_blink_data;
  32         u16 gpi_nmi_en;
  33         u16 gpi_nmi_sts;
  34         u32 reserved2;
  35
  36         u32 gpi_route[GPIO_BANKS];
  37         u32 reserved3;
  38
  39         u32 reserved4[4];
  40
  41         u32 alt_gpi_smi_sts;
  42         u32 alt_gpi_smi_en;
  43         u32 reserved5[2];
  44
  45         u32 rst_sel[GPIO_BANKS];
  46         u32 reserved6;
  47
  48         u32 reserved9[3];
  49         u32 gpio_gc;
  50
  51         u32 gpi_is[GPIO_BANKS];
  52         u32 reserved10;
  53
  54         u32 gpi_ie[GPIO_BANKS];
  55         u32 reserved11;
  56
  57         u32 reserved12[24];
  58
  59         struct {
  60                 u32 conf_a;
  61                 u32 conf_b;
  62         } config[GPIO_BANKS * GPIO_PER_BANK];
  63 };
  64 check_member(pch_lp_gpio_regs, gpi_ie[0], 0x90);
  65 check_member(pch_lp_gpio_regs, config[0], 0x100);
  66
  67 enum {
  68         CONFA_MODE_SHIFT        = 0,
  69         CONFA_MODE_GPIO         = 1 << CONFA_MODE_SHIFT,
  70
  71         CONFA_DIR_SHIFT         = 2,
  72         CONFA_DIR_INPUT         = 1 << CONFA_DIR_SHIFT,
  73
  74         CONFA_INVERT_SHIFT      = 3,
  75         CONFA_INVERT            = 1 << CONFA_INVERT_SHIFT,
  76
  77         CONFA_TRIGGER_SHIFT     = 4,
  78         CONFA_TRIGGER_LEVEL     = 1 << CONFA_TRIGGER_SHIFT,
  79
  80         CONFA_LEVEL_SHIFT       = 30,
  81         CONFA_LEVEL_HIGH        = 1UL << CONFA_LEVEL_SHIFT,
  82
  83         CONFA_OUTPUT_SHIFT      = 31,
  84         CONFA_OUTPUT_HIGH       = 1UL << CONFA_OUTPUT_SHIFT,
  85
  86         CONFB_SENSE_SHIFT       = 2,
  87         CONFB_SENSE_DISABLE     = 1 << CONFB_SENSE_SHIFT,
  88 };
  89
  90 #endif