| /**************************************************************************** |
| * boards/arm/imx6/sabre-6quad/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_IMX6_SABRE_6QUAD_INCLUDE_BOARD_H |
| #define __BOARDS_ARM_IMX6_SABRE_6QUAD_INCLUDE_BOARD_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| /* Clocking *****************************************************************/ |
| |
| /* The Sabre-6Quad board has two crystals: |
| * |
| * Y1 24 MHz CPU_XTALI/CPU_XTALO |
| * QZ500 32.768 KHz RTC_XTALI/RTC_XTALO |
| */ |
| |
| #define BOARD_CPUXTAL_FREQUENCY 24000000 |
| #define BAORD_RTCXTAL_FREQUENCY 32768 |
| |
| /* Clocking will be configured at 792 MHz initially when started via U-Boot. |
| * The Linux kernel will use the CPU frequency scaling code which will switch |
| * the processor frequency between 400 MHz and 1GHz based on load and |
| * temperature. |
| * |
| * These are the frequencies reported with U-Boot starts up: |
| * |
| * mx6q pll1 : 792MHz |
| * mx6q pll2 : 528MHz |
| * mx6q pll3 : 480MHz |
| * mx6q pll8 : 50MHz |
| * |
| * ipg clock : 66000000Hz |
| * ipg per clock : 66000000Hz |
| * uart clock : 80000000Hz |
| * cspi clock : 60000000Hz |
| * ahb clock : 132000000Hz |
| * axi clock : 264000000Hz |
| * emi_slow clock : 29333333Hz |
| * ddr clock : 528000000Hz |
| * usdhc1 clock : 198000000Hz |
| * usdhc2 clock : 198000000Hz |
| * usdhc3 clock : 198000000Hz |
| * usdhc4 clock : 198000000Hz |
| * nfc clock : 24000000Hz |
| * |
| * For now, NuttX simply leaves the clocking at 792MHz. |
| */ |
| |
| /* LED definitions **********************************************************/ |
| |
| /* LEDs |
| * |
| * A single LED is available driven GPIO1_IO02. |
| * On the schematic this is USR_DEF_RED_LED signal to pin T1 (GPIO_2). |
| * This signal is shared with KEY_ROW6 (ALT2). |
| * A high value illuminates the LED. |
| */ |
| |
| /* LED index values for use with board_userled() */ |
| |
| #define BOARD_LED 0 |
| #define BOARD_NLEDS 1 |
| |
| /* LED bits for use with board_userled_all() */ |
| |
| #define BOARD_LED_BIT (1 << BOARD_LED) |
| |
| /* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is |
| * defined. In that case, the usage by the board port is defined in |
| * include/board.h and src/sam_autoleds.c. The LEDs are used to encode |
| * OS-related events as follows: |
| * |
| * ---------------------- ---------------------------- ------ |
| * SYMBOL Meaning LED |
| * ---------------------- ---------------------------- ------ |
| */ |
| |
| #define LED_STARTED 0 /* NuttX has been started OFF */ |
| #define LED_HEAPALLOCATE 0 /* Heap has been allocated OFF */ |
| #define LED_IRQSENABLED 0 /* Interrupts enabled OFF */ |
| #define LED_STACKCREATED 1 /* Idle stack created ON */ |
| #define LED_INIRQ 2 /* In an interrupt N/C */ |
| #define LED_SIGNAL 2 /* In a signal handler N/C */ |
| #define LED_ASSERTION 2 /* An assertion failed N/C */ |
| #define LED_PANIC 3 /* The system has crashed FLASH */ |
| #undef LED_IDLE /* MCU is is sleep mode Not used */ |
| |
| /* Thus is LED is statically on, NuttX has successfully booted and is, |
| * apparently, running normally. If LED is flashing at approximately |
| * 2Hz, then a fatal error has been detected and the system has halted. |
| */ |
| |
| /* Button definitions *******************************************************/ |
| |
| /* GPIO Disambiguation ******************************************************/ |
| |
| /* A DEBUG VCOM is available MICRO USB AB 5 J509. |
| * This corresponds to UART1 from the i.MX6. |
| * UART1 connects to J509 via the CSIO_DAT10 and CSIO_DAT11 pins: |
| */ |
| |
| #define GPIO_UART1_RX_DATA GPIO_UART1_RX_DATA_2 |
| #define GPIO_UART1_TX_DATA GPIO_UART1_TX_DATA_2 |
| |
| /**************************************************************************** |
| * Public Types |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Public Data |
| ****************************************************************************/ |
| |
| #ifndef __ASSEMBLY__ |
| |
| #undef EXTERN |
| #if defined(__cplusplus) |
| #define EXTERN extern "C" |
| extern "C" |
| { |
| #else |
| #define EXTERN extern |
| #endif |
| |
| /**************************************************************************** |
| * Public Functions Definitions |
| ****************************************************************************/ |
| |
| #undef EXTERN |
| #if defined(__cplusplus) |
| } |
| #endif |
| |
| #endif /* __ASSEMBLY__ */ |
| #endif /* __BOARDS_ARM_IMX6_SABRE_6QUAD_INCLUDE_BOARD_H */ |
