/* * Author: Srinivas Kandagatla * Copyright (c) 2014 Intel Corporation. * Copyright (c) 2015 Linaro Limited. * * Copied from src/arm/banana.c * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include #include "arm/96boards.h" #include "common.h" #define DT_BASE "/proc/device-tree" #define PLATFORM_NAME_DB410C "DB410C" #define PLATFORM_NAME_HIKEY "HIKEY" #define PLATFORM_NAME_BBGUM "BBGUM" int db410c_ls_gpio_pins[MRAA_96BOARDS_LS_GPIO_COUNT] = { 36, 12, 13, 69, 115, 4, 24, 25, 35, 34, 28, 33, }; const char* db410c_serialdev[MRAA_96BOARDS_LS_UART_COUNT] = { "/dev/ttyMSM0", "/dev/ttyMSM1" }; int hikey_ls_gpio_pins[MRAA_96BOARDS_LS_GPIO_COUNT] = { 488, 489, 490, 491, 492, 415, 463, 495, 426, 433, 427, 434, }; const char* hikey_serialdev[MRAA_96BOARDS_LS_UART_COUNT] = { "/dev/ttyAMA2", "/dev/ttyAMA3" }; int bbgum_ls_gpio_pins[MRAA_96BOARDS_LS_GPIO_COUNT] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 155, 154 }; const char* bbgum_serialdev[MRAA_96BOARDS_LS_UART_COUNT] = { "/dev/ttyS3", "/dev/ttyS5" }; void mraa_96boards_pininfo(mraa_board_t* board, int index, int sysfs_pin, char* fmt, ...) { va_list arg_ptr; if (index > board->phy_pin_count) return; mraa_pininfo_t* pininfo = &board->pins[index]; va_start(arg_ptr, fmt); vsnprintf(pininfo->name, MRAA_PIN_NAME_SIZE, fmt, arg_ptr); va_end(arg_ptr); if (sysfs_pin >= 0) pininfo->capabilities = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; else pininfo->capabilities = (mraa_pincapabilities_t){ 0, 0, 0, 0, 0, 0, 0, 0 }; pininfo->gpio.pinmap = sysfs_pin; pininfo->gpio.mux_total = 0; } mraa_board_t* mraa_96boards() { int i, pin; int* ls_gpio_pins = NULL; char ch; mraa_board_t* b = (mraa_board_t*) calloc(1, sizeof(mraa_board_t)); if (b == NULL) { return NULL; } // pin mux for buses are setup by default by kernel so tell mraa to ignore them b->no_bus_mux = 1; b->phy_pin_count = MRAA_96BOARDS_LS_PIN_COUNT + 1; if (mraa_file_exist(DT_BASE "/model")) { // We are on a modern kernel, great!!!! if (mraa_file_contains(DT_BASE "/model", "Qualcomm Technologies, Inc. APQ 8016 SBC")) { b->platform_name = PLATFORM_NAME_DB410C; ls_gpio_pins = db410c_ls_gpio_pins; b->uart_dev[0].device_path = db410c_serialdev[0]; b->uart_dev[1].device_path = db410c_serialdev[1]; } else if (mraa_file_contains(DT_BASE "/model", "HiKey Development Board")) { b->platform_name = PLATFORM_NAME_HIKEY; ls_gpio_pins = hikey_ls_gpio_pins; b->uart_dev[0].device_path = hikey_serialdev[0]; b->uart_dev[1].device_path = hikey_serialdev[1]; } else if (mraa_file_contains(DT_BASE "/model", "s900")) { b->platform_name = PLATFORM_NAME_BBGUM; ls_gpio_pins = bbgum_ls_gpio_pins; b->uart_dev[0].device_path = bbgum_serialdev[0]; b->uart_dev[1].device_path = bbgum_serialdev[1]; } } // UART b->uart_dev_count = MRAA_96BOARDS_LS_UART_COUNT; b->def_uart_dev = 0; // I2C if (b->platform_name == PLATFORM_NAME_BBGUM) { b->i2c_bus_count = MRAA_96BOARDS_LS_I2C_COUNT; b->def_i2c_bus = 0; b->i2c_bus[0].bus_id = 1; b->i2c_bus[1].bus_id = 2; } else { b->i2c_bus_count = MRAA_96BOARDS_LS_I2C_COUNT; b->def_i2c_bus = 0; b->i2c_bus[0].bus_id = 0; b->i2c_bus[1].bus_id = 1; } // SPI b->spi_bus_count = MRAA_96BOARDS_LS_SPI_COUNT; b->spi_bus[0].bus_id = 0; b->def_spi_bus = 0; b->adv_func = (mraa_adv_func_t*) calloc(1, sizeof(mraa_adv_func_t)); if (b->adv_func == NULL) { free(b); return NULL; } b->pins = (mraa_pininfo_t*) malloc(sizeof(mraa_pininfo_t) * b->phy_pin_count); if (b->pins == NULL) { free(b->adv_func); free(b); return NULL; } mraa_96boards_pininfo(b, 0, -1, "INVALID"); mraa_96boards_pininfo(b, 1, -1, "GND"); mraa_96boards_pininfo(b, 2, -1, "GND"); mraa_96boards_pininfo(b, 3, -1, "UART0_CTS"); mraa_96boards_pininfo(b, 4, -1, "PWR_BTN_N"); mraa_96boards_pininfo(b, 5, -1, "UART0_TXD"); mraa_96boards_pininfo(b, 6, -1, "RST_BTN_N"); mraa_96boards_pininfo(b, 7, -1, "UART0_RXD"); mraa_96boards_pininfo(b, 8, -1, "SPI0_SCLK"); mraa_96boards_pininfo(b, 9, -1, "UART0_RTS"); mraa_96boards_pininfo(b, 10, -1, "SPI0_DIN"); mraa_96boards_pininfo(b, 11, -1, "UART1_TXD"); mraa_96boards_pininfo(b, 12, -1, "SPI0_CS"); mraa_96boards_pininfo(b, 13, -1, "UART1_RXD"); mraa_96boards_pininfo(b, 14, -1, "SPI0_DOUT"); mraa_96boards_pininfo(b, 15, -1, "I2C0_SCL"); mraa_96boards_pininfo(b, 16, -1, "PCM_FS"); mraa_96boards_pininfo(b, 17, -1, "I2C0_SDA"); mraa_96boards_pininfo(b, 18, -1, "PCM_CLK"); mraa_96boards_pininfo(b, 19, -1, "I2C1_SCL"); mraa_96boards_pininfo(b, 20, -1, "PCM_DO"); mraa_96boards_pininfo(b, 21, -1, "I2C1_SDA"); mraa_96boards_pininfo(b, 22, -1, "PCM_DI"); // GPIOs are labelled "GPIO-A" through "GPIO-L" for (i = 0; i < MRAA_96BOARDS_LS_GPIO_COUNT; i++) { mraa_96boards_pininfo(b, 23 + i, ls_gpio_pins ? ls_gpio_pins[i] : -1, "GPIO-%c", 'A' + i); } mraa_96boards_pininfo(b, 35, -1, "1.8v"); mraa_96boards_pininfo(b, 36, -1, "SYS_DCIN"); mraa_96boards_pininfo(b, 37, -1, "5v"); mraa_96boards_pininfo(b, 38, -1, "SYS_DCIN"); mraa_96boards_pininfo(b, 39, -1, "GND"); mraa_96boards_pininfo(b, 40, -1, "GND"); b->gpio_count = MRAA_96BOARDS_LS_GPIO_COUNT; b->aio_count = 0; b->adc_raw = 0; b->adc_supported = 0; return b; }