| /**************************************************************************** |
| * boards/arm/tiva/tm4c1294-launchpad/include/board.h |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * 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_TM4C1294_LAUNCHPAD_INCLUDE_BOARD_H |
| #define __BOARDS_ARM_TIVA_TM4C1294_LAUNCHPAD_INCLUDE_BOARD_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #ifndef __ASSEMBLY__ |
| # include <stdbool.h> |
| #endif |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| /* Clocking *****************************************************************/ |
| |
| /* Crystals on-board the EK-TM4C1294XL 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 EK-TM4C1294XL has 5 green LEDs. |
| * LED D0 is lit when 3.3V power supply is available . |
| * LEDs D1 and D2 are general purpose LEDs. |
| * LEDs D3 and D4 can be used for Ethernet link and activity. |
| * |
| * --- ------------ |
| * Pin Pin Function |
| * --- ------------ |
| * PN1 green LED D1 |
| * PN0 green LED D2 |
| * PF4 green LED D3 |
| * PF0 green LED D4 |
| * --- ------------ |
| */ |
| |
| /* LED index values for use with board_userled() */ |
| |
| #define BOARD_LED_D1 0 |
| #define BOARD_LED_D2 1 |
| #define BOARD_LED_D3 2 |
| #define BOARD_LED_D4 3 |
| #define BOARD_NLEDS 4 |
| |
| /* LED bits for use with board_userled_all() */ |
| |
| #define BOARD_LED_D1_BIT (1 << BOARD_LED_D1) |
| #define BOARD_LED_D2_BIT (1 << BOARD_LED_D2) |
| #define BOARD_LED_D3_BIT (1 << BOARD_LED_D3) |
| #define BOARD_LED_D4_BIT (1 << BOARD_LED_D4) |
| |
| /* If CONFIG_ARCH_LEDS is defined, |
| * then automated support for the EK-TM4C1294XL LED |
| * will be included in the build: |
| * LED1 LED2 LED3 LED4 |
| */ |
| |
| #define LED_STARTED 1 /* ON OFF NC NC */ |
| #define LED_HEAPALLOCATE 0 /* NC NC NC NC */ |
| #define LED_IRQSENABLED 0 /* NC NC NC NC */ |
| #define LED_STACKCREATED 2 /* ON ON NC NC */ |
| #define LED_INIRQ 0 /* NC NC NC NC */ |
| #define LED_SIGNAL 0 /* NC NC NC NC */ |
| #define LED_ASSERTION 0 /* NC NC NC NC */ |
| #define LED_PANIC 3 /* OFF ON NC NC (flashing 2Hz) */ |
| |
| /* Button definitions *******************************************************/ |
| |
| /* There are four push buttons on the board. |
| * Two of them are user controllable. |
| * The others are RESET and WAKE |
| * |
| * --- ------------ |
| * Pin Pin Function |
| * --- ------------ |
| * PJ0 USR_SW1 |
| * PJ1 USR_SW2 |
| * --- ------------ |
| */ |
| |
| #define BUTTON_SW1 0 |
| #define BUTTON_SW2 1 |
| #define NUM_BUTTONS 2 |
| |
| #define BUTTON_SW1_BIT (1 << BUTTON_SW1) |
| #define BUTTON_SW2_BIT (1 << BUTTON_SW2) |
| |
| /* Pin Multiplexing Disambiguation ******************************************/ |
| |
| /* Ethernet LEDs |
| * |
| * PF0/PF4/PF1 are used for Ethernet LEDs. |
| * PF0/EN0LED0/LED4 Ethernet link OK |
| * PF4/EN0LED1/LED3 Ethernet TX/RX activity |
| * PF1/EN0LED2 Ethernet 100-base TX |
| */ |
| |
| #define GPIO_EN0_LED0 GPIO_EN0_LED0_1 |
| #define GPIO_EN0_LED1 GPIO_EN0_LED1_1 |
| #define GPIO_EN0_LED2 GPIO_EN0_LED2_1 |
| |
| #if CONFIG_TM4C1294_LAUNCHPAD_UART2_RX_D4 |
| #define GPIO_UART2_RX GPIO_UART2_RX_2 |
| #elif CONFIG_TM4C1294_LAUNCHPAD_UART2_RX_A6 |
| #define GPIO_UART2_RX GPIO_UART2_RX_1 |
| #endif |
| |
| #if CONFIG_TM4C1294_LAUNCHPAD_UART2_TX_D5 |
| #define GPIO_UART2_TX GPIO_UART2_TX_2 |
| #elif CONFIG_TM4C1294_LAUNCHPAD_UART2_TX_A7 |
| #define GPIO_UART2_TX GPIO_UART2_TX_1 |
| #endif |
| |
| /* Control pins for BOOST-CC2564MODA plugged into BoosterPack 1 or 2. |
| * |
| * BoosterPack1 BoosterPack2 |
| * |
| * --- ------------ --- ------------ |
| * Pin Pin Function Pin Pin Function |
| * --- ------------ --- ------------ |
| * PM3 NSHUTD PM7 NSHUTD |
| * PG0 RTS PM0 RTS |
| * PL4 CTS PM1 CTS |
| * --- ------------ --- ------------ |
| */ |
| |
| #define UART7_GPIO_NSHUTD (GPIO_FUNC_OUTPUT | GPIO_PORTM | GPIO_PIN_3) |
| #define UART7_GPIO_RTS (GPIO_FUNC_OUTPUT | GPIO_PORTG | GPIO_PIN_0) |
| #define UART7_GPIO_CTS (GPIO_FUNC_INPUT | GPIO_PORTL | GPIO_PIN_4) |
| |
| #define UART6_GPIO_NSHUTD (GPIO_FUNC_OUTPUT | GPIO_PORTM | GPIO_PIN_7) |
| #define UART6_GPIO_RTS (GPIO_FUNC_OUTPUT | GPIO_PORTM | GPIO_PIN_0) |
| #define UART6_GPIO_CTS (GPIO_FUNC_INPUT | GPIO_PORTM | GPIO_PIN_1) |
| |
| /* Pins for I2C. |
| * |
| * BoosterPack1 I2C0 BoosterPack2 I2C2 |
| * |
| * --- ------------ --- ------------ |
| * Pin Pin Function Pin Pin Function |
| * --- ------------ --- ------------ |
| * PB2 SCL PN5 SCL |
| * PB3 SDA PN4 SDA |
| * --- ------------ --- ------------ |
| */ |
| |
| #define GPIO_I2C2_SCL GPIO_I2C2_SCL_3 |
| #define GPIO_I2C2_SDA GPIO_I2C2_SDA_2 |
| |
| #endif /* __BOARDS_ARM_TIVA_TM4C1294_LAUNCHPAD_INCLUDE_BOARD_H */ |
