1 /*
2 * Author: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
3 * Copyright (c) 2014 Intel Corporation.
4 * Copyright (c) 2015 Linaro Limited.
5 *
6 * Copied from src/arm/banana.c
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining
9 * a copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation the rights to use, copy, modify, merge, publish,
12 * distribute, sublicense, and/or sell copies of the Software, and to
13 * permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be
17 * included in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
23 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 */
27
28 #include <stdlib.h>
29 #include <string.h>
30 #include <sys/mman.h>
31 #include <mraa/common.h>
32
33 #include "common.h"
34 #include "arm/96boards.h"
35
36 #define DT_BASE "/sys/firmware/devicetree/base"
37
38 #define PLATFORM_NAME_DB410C "DB410C"
39 #define PLATFORM_NAME_HIKEY "HIKEY"
40
41 int db410c_ls_gpio_pins[MRAA_96BOARDS_LS_GPIO_COUNT] = {
42 36, 12, 13, 69, 115, 4, 24, 25, 35, 34, 28, 33,
43 };
44
45 const char* db410c_serialdev[MRAA_96BOARDS_LS_UART_COUNT] = { "/dev/ttyMSM0", "/dev/ttyMSM1"};
46
47 int hikey_ls_gpio_pins[MRAA_96BOARDS_LS_GPIO_COUNT] = {
48 488, 489, 490, 491, 492, 415, 463, 495, 426, 433, 427, 434,
49 };
50
51 const char* hikey_serialdev[MRAA_96BOARDS_LS_UART_COUNT] = { "/dev/ttyAMA2", "/dev/ttyAMA3"};
52
mraa_96boards()53 mraa_board_t* mraa_96boards()
54 {
55 int i, pin;
56 int *ls_gpio_pins;
57 char ch;
58 char name[MRAA_PIN_NAME_SIZE];
59
60 mraa_board_t* b = (mraa_board_t*) calloc(1, sizeof(mraa_board_t));
61 if (b == NULL) {
62 return NULL;
63 }
64
65 // pin mux for buses are setup by default by kernel so tell mraa to ignore them
66 b->no_bus_mux = 1;
67
68 if (mraa_file_exist(DT_BASE "/model")) {
69 // We are on a modern kernel, great!!!!
70 if (mraa_file_contains(DT_BASE "/model", "Qualcomm Technologies, Inc. APQ 8016 SBC")) {
71 b->platform_name = PLATFORM_NAME_DB410C;
72 b->phy_pin_count = DB410C_PINCOUNT;
73 ls_gpio_pins = db410c_ls_gpio_pins;
74 b->uart_dev[0].device_path = db410c_serialdev[0];
75 b->uart_dev[1].device_path = db410c_serialdev[1];
76 } else if (mraa_file_contains(DT_BASE "/model", "HiKey Development Board")) {
77 b->platform_name = PLATFORM_NAME_HIKEY;
78 b->phy_pin_count = HIKEY_PINCOUNT;
79 ls_gpio_pins = hikey_ls_gpio_pins;
80 b->uart_dev[0].device_path = hikey_serialdev[0];
81 b->uart_dev[1].device_path = hikey_serialdev[1];
82 }
83 }
84
85 //UART
86 b->uart_dev_count = MRAA_96BOARDS_LS_UART_COUNT;
87 b->def_uart_dev = 0;
88
89 //I2C
90 b->i2c_bus_count = MRAA_96BOARDS_LS_I2C_COUNT;
91 b->def_i2c_bus = 0;
92 b->i2c_bus[0].bus_id = 0;
93 b->i2c_bus[1].bus_id= 1;
94
95 //SPI
96 b->spi_bus_count = MRAA_96BOARDS_LS_SPI_COUNT;
97 b->spi_bus[0].bus_id = 0;
98 b->def_spi_bus = 0;
99
100 b->adv_func = (mraa_adv_func_t*) calloc(1, sizeof(mraa_adv_func_t));
101 if (b->adv_func == NULL) {
102 free(b);
103 return NULL;
104 }
105
106 b->pins = (mraa_pininfo_t*) malloc(sizeof(mraa_pininfo_t) * b->phy_pin_count);
107 if (b->pins == NULL) {
108 free(b->adv_func);
109 free(b);
110 return NULL;
111 }
112
113 // gpio lable starts from GPIO-A to GPIO-F
114 ch = 'A';
115 for (i = 0; i < MRAA_96BOARDS_LS_GPIO_COUNT; i++)
116 {
117 pin = ls_gpio_pins[i];
118 sprintf(name, "GPIO-%c", ch++);
119 strncpy(b->pins[pin].name, name, MRAA_PIN_NAME_SIZE);
120 b->pins[pin].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 };
121 b->pins[pin].gpio.pinmap = pin;
122 b->pins[pin].gpio.mux_total = 0;
123 }
124
125 b->gpio_count = MRAA_96BOARDS_LS_GPIO_COUNT;
126
127 b->aio_count = 0;
128 b->adc_raw = 0;
129 b->adc_supported = 0;
130
131 return b;
132 }
133