/**************************************************************************** * boards/arm/tiva/dk-tm4c129x/include/board.h * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ #ifndef __BOARDS_ARM_TIVA_DK_TM4C129X_INCLUDE_BOARD_H #define __BOARDS_ARM_TIVA_DK_TM4C129X_INCLUDE_BOARD_H /**************************************************************************** * Included Files ****************************************************************************/ #ifndef __ASSEMBLY__ # include #endif /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* Clocking *****************************************************************/ /* Crystals on-board the DK-TM4C129X include: * * 1. 25.0MHz (Y2) is connected to OSC0/1 pins and is used as the run mode * input to the PLL. * 2. 32.768kHz (Y3) connected to XOSC0/1 and clocks the hibernation module. */ #define SYSCON_RCC_XTAL SYSCON_RCC_XTAL16000KHZ /* On-board crystal is 25 MHz */ #define XTAL_FREQUENCY 25000000 /* Frequencies of other clock sources */ #define PIOSC_FREQUENCY 16000000 /* Precision internal oscillator */ #define RTCOSC_FREQUENCY 32768 /* Hibernation Module RTC Oscillator */ #define LFIOSC_FREQUENCY 33000 /* Low frequency internal oscillator */ /* The PLL generates Fvco according to the following formulae. * The input clock to the PLL may be either the external crystal * (Fxtal) or PIOSC (Fpiosc). * This logic supports only the external crystal as the PLL source clock. * * Fin = Fxtal / (Q + 1 )(N + 1) -OR- Fpiosc / (Q + 1)(N + 1) * Mdiv = Mint + (MFrac / 1024) * Fvco = Fin * Mdiv * * Where the register fields Q and N actually hold (Q-1) and (N-1). * The following setup then generates Fvco = 480MHz: * * Fin = 25 MHz / 1 / 5 = 5 MHz * Mdiv = 96 * Fvco = 480 */ #define BOARD_PLL_MINT 96 /* Integer part of PLL M value */ #define BOARD_PLL_MFRAC 0 /* Fractional part of PLL M value */ #define BOARD_PLL_N 5 /* PLL N value */ #define BOARD_PLL_Q 1 /* PLL Q value */ #define BOARD_FVCO_FREQUENCY 480000000 /* Resulting Fvco */ /* When the PLL is active, the system clock frequency (SysClk) is * calculated using the following equation: * * SysClk = Fvco / (sysdiv + 1) * * The following setup generates Sysclk = 120MHz: */ #define BOARD_PLL_SYSDIV 4 /* Sysclk = Fvco / 4 = 120MHz */ #define SYSCLK_FREQUENCY 120000000 /* Resulting SysClk frequency */ /* Peripheral Clock (PCLK) * * Same frequency as the SYSCLK */ #define PCLK_FREQUENCY SYSCLK_FREQUENCY /* Alternate Clock (ALTCLK) * * The ALTCLK provides a clock source of numerous frequencies to the * general-purpose timer, SSI, and UART modules. * The default source for the ALTCLK is the Precision Internal Oscillator * (PIOSC). The Hibernation Real-time Clock (RTCOSC) and Low Frequency * Internal Oscillator (LFIOSC) are alternatives. If the RTCOSC Output is * selected, the clock source must also be enabled in the Hibernation module. */ #define BOARD_ALTCLKCFG SYSCON_ALTCLKCFG_ALTCLK_PIOSC #define ALTCLK_FREQUENCY PIOSC_FREQUENCY /* LED definitions **********************************************************/ /* The DK-TM4C129X has a single RGB LED. There is only one visible LED which * will vary in color. But, from the standpoint of the firmware, this * appears as three LEDs: * * --- ------------ ----------------- * Pin Pin Function Jumper * --- ------------ ----------------- * PN5 Red LED J36 pins 1 and 2 * PQ4 Blue LED J36 pins 3 and 4 * PQ7 Green LED J36 pins 5 and 6 * --- ------------ ----------------- */ /* LED index values for use with board_userled() */ #define BOARD_LED_R 0 #define BOARD_LED_G 1 #define BOARD_LED_B 2 #define BOARD_NLEDS 3 /* LED bits for use with board_userled_all() */ #define BOARD_LED_R_BIT (1 << BOARD_LED_R) #define BOARD_LED_G_BIT (1 << BOARD_LED_G) #define BOARD_LED_B_BIT (1 << BOARD_LED_B) /* If CONFIG_ARCH_LEDS is defined, then automated support for the DK-TM4C129X * LED will be included in the build: * RED GREEN BLUE */ #define LED_STARTED 0 /* OFF OFF ON */ #define LED_HEAPALLOCATE 1 /* NC NC NC */ #define LED_IRQSENABLED 1 /* NC NC NC */ #define LED_STACKCREATED 2 /* OFF ON OFF */ #define LED_INIRQ 1 /* NC NC NC */ #define LED_SIGNAL 1 /* NC NC NC */ #define LED_ASSERTION 1 /* NC NC NC */ #define LED_PANIC 3 /* ON OFF OFF (flashing 2Hz) */ /* Button definitions *******************************************************/ /* There are three push buttons on the board. * * --- ------------ ----------------- * Pin Pin Function Jumper * --- ------------ ----------------- * PP1 Select SW4 J37 pins 1 and 2 * PN3 Up SW2 J37 pins 3 and 4 * PE5 Down SW3 J37 pins 5 and 6 * --- ------------ ----------------- */ #define BUTTON_SW2 0 #define BUTTON_SW3 1 #define BUTTON_SW4 2 #define NUM_BUTTONS 3 #define BUTTON_SW2_BIT (1 << BUTTON_SW2) #define BUTTON_SW3_BIT (1 << BUTTON_SW3) #define BUTTON_SW4_BIT (1 << BUTTON_SW4) /* Pin Multiplexing Disambiguation ******************************************/ /* UARTs * * UART0: PA0-1 (fixed configuration) * UART3: PJ0-1 to EM_TX/EM_RX or BOOSTER_PACK2_RX/BOOSTER_PACK2_TX * (Depending on J12/J13) * UART5: PH6-7 to BOOSTER_PACK1_RX/BOOSTER_PACK1_TX */ #define GPIO_UART3_RX GPIO_UART3_RX_2 #define GPIO_UART3_TX GPIO_UART3_TX_2 #define GPIO_UART5_RX GPIO_UART5_RX_2 #define GPIO_UART5_TX GPIO_UART5_TX_2 /* SSI: * * SSI0: PA2-5 are used for SSI0 to the second booster pack * (fixed configuration) * SSI3: PF0/PF4-5/PH4/PQ0-2 are used for the SPI flash * (on-board and SD card). * PH4 selects the SD card and PQ1 selects the on-board SPI flash. */ #define GPIO_SSI3_CLK GPIO_SSI3_CLK_2 #define GPIO_SSI3_FSS GPIO_SSI3_FSS_2 #define GPIO_SSI3_XDAT0 GPIO_SSI3_XDAT0_2 #define GPIO_SSI3_XDAT1 GPIO_SSI3_XDAT1_1 #define GPIO_SSI3_XDAT2 GPIO_SSI3_XDAT2_1 #define GPIO_SSI3_XDAT3 GPIO_SSI3_XDAT3_1 /* I2C: * * I2C3: PG4-5 are provide to the BoostPack 1 interface * I2C7: PA4-5 are provide to the BoostPack 2 interface * I2C6: PB6-7 are used for I2C to the TMP100 and the EM connector. * J18 and J20 must be closed to connect the TMP100. * I2C address is 0x4A */ #define GPIO_I2C3_SCL GPIO_I2C3_SCL_1 #define GPIO_I2C3_SDA GPIO_I2C3_SDA_1 #define GPIO_I2C7_SCL GPIO_I2C7_SCL_1 #define GPIO_I2C7_SDA GPIO_I2C7_SDA_1 #define GPIO_I2C6_SCL GPIO_I2C6_SCL_2 #define GPIO_I2C6_SDA GPIO_I2C6_SDA_2 /* USB: * * PB0-1/PD6-7/PL6-7 are used for USB * (Only PD6-7 are not fixed configuration) */ #define GPIO_USB0_EPEN GPIO_USB0_EPEN_3 #define GPIO_USB0_PFLT GPIO_USB0_PFLT_2 /* Ethernet LEDs * * PF1/PK4/PK6 are used for Ethernet LEDs. * PK4/EN0RXD3/LED0 * PK6/EN0TXD2/LED1 * PF1/LED2 */ # define GPIO_EN0_LED0 GPIO_EN0_LED0_2 # define GPIO_EN0_LED1 GPIO_EN0_LED1_2 # define GPIO_EN0_LED2 GPIO_EN0_LED2_1 /* LCD * * PF6-7/PJ6/PS4-5/PR0-7 are used for the LCD (fixed configuration). */ /**************************************************************************** * Public Function Prototypes ****************************************************************************/ #ifndef __ASSEMBLY__ /**************************************************************************** * Name: tiva_tmp100_initialize * * Description: * Initialize and register the TMP-100 Temperature Sensor driver. * * Input Parameters: * devpath - The full path to the driver to register. E.g., "/dev/temp0" * * Returned Value: * Zero (OK) on success; a negated errno value on failure. * ****************************************************************************/ #if defined(CONFIG_I2C) && defined(CONFIG_LM75_I2C) && defined(CONFIG_TIVA_I2C6) int tiva_tmp100_initialize(const char *devpath); #endif #endif /* __ASSEMBLY__ */ #endif /* __BOARDS_ARM_TIVA_DK_TM4C129X_INCLUDE_BOARD_H */