/**************************************************************************** * boards/arm/tiva/lm3s8962-ek/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_LM3S8962_EK_INCLUDE_BOARD_H #define __BOARDS_ARM_TIVA_LM3S8962_EK_INCLUDE_BOARD_H /**************************************************************************** * Included Files ****************************************************************************/ /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* Clocking *****************************************************************/ /* RCC settings */ #define SYSCON_RCC_XTAL SYSCON_RCC_XTAL8000KHZ /* Eagle100 on-board crystall is 8.00 MHz */ #define XTAL_FREQUENCY 8000000 /* Oscillator source is the main oscillator (not internal, internal/4, * 30KHz or 30KHz from hibernate module) */ #define SYSCON_RCC_OSCSRC SYSCON_RCC_OSCSRC_MOSC #define SYSCON_RCC2_OSCSRC SYSCON_RCC2_OSCSRC2_MOSC #define OSCSRC_FREQUENCY XTAL_FREQUENCY /* Use system divider = 4; this corresponds to a system clock frequency * of (400 / 2) / 4 = 50MHz */ #define TIVA_SYSDIV 4 #define SYSCLK_FREQUENCY 50000000 /* 50MHz */ /* Peripheral Clock (PCLK) * * Same frequency as the SYSCLK */ #define PCLK_FREQUENCY SYSCLK_FREQUENCY /* Other RCC settings: * * - Main and internal oscillators enabled. * - PLL and sys dividers not bypassed * - PLL not powered down * - No auto-clock gating reset */ #define TIVA_RCC_VALUE (SYSCON_RCC_OSCSRC | SYSCON_RCC_XTAL | SYSCON_RCC_USESYSDIV | SYSCON_RCC_SYSDIV(TIVA_SYSDIV)) /* RCC2 settings -- RCC2 not used. Other RCC2 settings * * - PLL and sys dividers not bypassed. * - PLL not powered down * - Not using RCC2 */ #define TIVA_RCC2_VALUE (SYSCON_RCC2_OSCSRC | SYSCON_RCC2_SYSDIV(TIVA_SYSDIV)) /* LED definitions **********************************************************/ /* The LMS38962 Eval Kit has only one user LED: Port F, Bit 0. * Below is the mapping of this single LED. * From this single LED, we can get the following information: * * OFF Steady: The system has failed to boot to the point of * enabling interrupts * ON Steady: The systems has enabled interrupts, * but none have been received * Dull glow: The system is taking interrupts * Slow blinking: The system has panicked * ON OFF */ #define LED_STARTED 0 /* OFF OFF */ #define LED_HEAPALLOCATE 1 /* OFF OFF */ #define LED_IRQSENABLED 2 /* ON ON */ #define LED_STACKCREATED 3 /* ON ON */ #define LED_INIRQ 4 /* ON OFF */ #define LED_SIGNAL 5 /* ON OFF */ #define LED_ASSERTION 6 /* ON OFF */ #define LED_PANIC 7 /* ON OFF */ #endif /* __BOARDS_ARM_TIVA_LM3S8962_EK_INCLUDE_BOARD_H */