| Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 Marvell International Ltd. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * https://spdx.org/licenses |
| 6 | */ |
| 7 | |
| 8 | #ifndef __A8K_COMMON_H__ |
| 9 | #define __A8K_COMMON_H__ |
| 10 | |
| 11 | #include <amb_adec.h> |
| 12 | #include <io_win.h> |
| 13 | #include <iob.h> |
| 14 | #include <ccu.h> |
| 15 | |
| 16 | /* |
| 17 | * This struct supports skip image request |
| 18 | * detection_method: the method used to detect the request "signal". |
| 19 | * info: |
| 20 | * GPIO: |
| 21 | * detection_method: HIGH (pressed button), LOW (unpressed button), |
| 22 | * num (button mpp number). |
| 23 | * i2c: |
| 24 | * i2c_addr: the address of the i2c chosen. |
| 25 | * i2d_reg: the i2c register chosen. |
| 26 | * test: |
| 27 | * choose the DIE you picked the button in (AP or CP). |
| 28 | * in case of CP(cp_index = 0 if CP0, cp_index = 1 if CP1) |
| 29 | */ |
| 30 | struct skip_image { |
| 31 | enum { |
| 32 | GPIO, |
| 33 | I2C, |
| 34 | USER_DEFINED |
| 35 | } detection_method; |
| 36 | |
| 37 | struct { |
| 38 | struct { |
| 39 | int num; |
| 40 | enum { |
| 41 | HIGH, |
| 42 | LOW |
| 43 | } button_state; |
| 44 | |
| 45 | } gpio; |
| 46 | |
| 47 | struct { |
| 48 | int i2c_addr; |
| 49 | int i2c_reg; |
| 50 | } i2c; |
| 51 | |
| 52 | struct { |
| 53 | enum { |
| 54 | CP, |
| 55 | AP |
| 56 | } cp_ap; |
| 57 | int cp_index; |
| 58 | } test; |
| 59 | } info; |
| 60 | }; |
| 61 | |
| 62 | /* |
| 63 | * This struct supports SoC power off method |
| 64 | * type: the method used to power off the SoC |
| 65 | * cfg: |
| 66 | * PMIC_GPIO: |
| 67 | * pin_count: current GPIO pin number used for toggling the signal for |
| 68 | * notifying external PMIC |
| 69 | * info: holds the GPIOs information, CP GPIO should be used and |
| 70 | * all GPIOs should be within same GPIO config. register |
| 71 | * step_count: current step number to toggle the GPIO for PMIC |
| 72 | * seq: GPIO toggling values in sequence, each bit represents a GPIO. |
| 73 | * For example, bit0 represents first GPIO used for toggling |
| 74 | * the GPIO the last step is used to trigger the power off |
| 75 | * signal |
| 76 | * delay_ms: transition interval for the GPIO setting to take effect |
| 77 | * in unit of ms |
| 78 | */ |
| 79 | /* Max GPIO number used to notify PMIC to power off the SoC */ |
| 80 | #define PMIC_GPIO_MAX_NUMBER 8 |
| 81 | /* Max GPIO toggling steps in sequence to power off the SoC */ |
| 82 | #define PMIC_GPIO_MAX_TOGGLE_STEP 8 |
| 83 | |
| 84 | enum gpio_output_state { |
| 85 | GPIO_LOW = 0, |
| 86 | GPIO_HIGH |
| 87 | }; |
| 88 | |
| 89 | typedef struct gpio_info { |
| 90 | int cp_index; |
| 91 | int gpio_index; |
| 92 | } gpio_info_t; |
| 93 | |
| 94 | struct power_off_method { |
| 95 | enum { |
| 96 | PMIC_GPIO, |
| 97 | } type; |
| 98 | |
| 99 | struct { |
| 100 | struct { |
| 101 | int pin_count; |
| 102 | struct gpio_info info[PMIC_GPIO_MAX_NUMBER]; |
| 103 | int step_count; |
| 104 | uint32_t seq[PMIC_GPIO_MAX_TOGGLE_STEP]; |
| 105 | int delay_ms; |
| 106 | } gpio; |
| 107 | } cfg; |
| 108 | }; |
| 109 | |
| 110 | int marvell_gpio_config(void); |
| 111 | uint32_t marvell_get_io_win_gcr_target(int ap_idx); |
| 112 | uint32_t marvell_get_ccu_gcr_target(int ap_idx); |
| 113 | |
| 114 | |
| 115 | /* |
| 116 | * The functions below are defined as Weak and may be overridden |
| 117 | * in specific Marvell standard platform |
| 118 | */ |
| 119 | int marvell_get_amb_memory_map(struct addr_map_win **win, |
| 120 | uint32_t *size, uintptr_t base); |
| 121 | int marvell_get_io_win_memory_map(int ap_idx, struct addr_map_win **win, |
| 122 | uint32_t *size); |
| 123 | int marvell_get_iob_memory_map(struct addr_map_win **win, |
| 124 | uint32_t *size, uintptr_t base); |
| 125 | int marvell_get_ccu_memory_map(int ap_idx, struct addr_map_win **win, |
| 126 | uint32_t *size); |
| 127 | |
| 128 | #endif /* __A8K_COMMON_H__ */ |