470 lines
22 KiB
C
470 lines
22 KiB
C
/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2009-01-05 Bernard first implementation
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include "board.h"
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#include "pin_mux.h"
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#include "fsl_iomuxc.h"
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#include "fsl_gpio.h"
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#ifdef BSP_USING_DMA
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#include "fsl_dmamux.h"
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#include "fsl_edma.h"
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#endif
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#define NVIC_PRIORITYGROUP_0 0x00000007U /*!< 0 bits for pre-emption priority
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4 bits for subpriority */
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#define NVIC_PRIORITYGROUP_1 0x00000006U /*!< 1 bits for pre-emption priority
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3 bits for subpriority */
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#define NVIC_PRIORITYGROUP_2 0x00000005U /*!< 2 bits for pre-emption priority
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2 bits for subpriority */
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#define NVIC_PRIORITYGROUP_3 0x00000004U /*!< 3 bits for pre-emption priority
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1 bits for subpriority */
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#define NVIC_PRIORITYGROUP_4 0x00000003U /*!< 4 bits for pre-emption priority
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0 bits for subpriority */
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/* MPU configuration. */
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static void BOARD_ConfigMPU(void)
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{
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/* Disable I cache and D cache */
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SCB_DisableICache();
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SCB_DisableDCache();
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/* Disable MPU */
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ARM_MPU_Disable();
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/* Region 0 setting */
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MPU->RBAR = ARM_MPU_RBAR(0, 0xC0000000U);
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MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 2, 0, 0, 0, 0, ARM_MPU_REGION_SIZE_512MB);
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/* Region 1 setting */
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MPU->RBAR = ARM_MPU_RBAR(1, 0x80000000U);
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MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 2, 0, 0, 0, 0, ARM_MPU_REGION_SIZE_1GB);
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/* Region 2 setting */
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// spi flash: normal type, cacheable, no bufferable, no shareable
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MPU->RBAR = ARM_MPU_RBAR(2, 0x60000000U);
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MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 0, 0, 1, 0, 0, ARM_MPU_REGION_SIZE_512MB);
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/* Region 3 setting */
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MPU->RBAR = ARM_MPU_RBAR(3, 0x00000000U);
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MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 2, 0, 0, 0, 0, ARM_MPU_REGION_SIZE_1GB);
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/* Region 4 setting */
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MPU->RBAR = ARM_MPU_RBAR(4, 0x00000000U);
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MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 0, 0, 1, 1, 0, ARM_MPU_REGION_SIZE_128KB);
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/* Region 5 setting */
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MPU->RBAR = ARM_MPU_RBAR(5, 0x20000000U);
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MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 0, 0, 1, 1, 0, ARM_MPU_REGION_SIZE_128KB);
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/* Region 6 setting */
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MPU->RBAR = ARM_MPU_RBAR(6, 0x20200000U);
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MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 0, 0, 1, 1, 0, ARM_MPU_REGION_SIZE_256KB);
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#if defined(BSP_USING_SDRAM)
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/* Region 7 setting */
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MPU->RBAR = ARM_MPU_RBAR(7, 0x80000000U);
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MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 0, 0, 1, 1, 0, ARM_MPU_REGION_SIZE_32MB);
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/* Region 8 setting */
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MPU->RBAR = ARM_MPU_RBAR(8, 0x81E00000U);
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MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 1, 1, 0, 0, 0, ARM_MPU_REGION_SIZE_2MB);
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#endif
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/* Enable MPU */
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ARM_MPU_Enable(MPU_CTRL_PRIVDEFENA_Msk);
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/* Enable I cache and D cache */
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SCB_EnableDCache();
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SCB_EnableICache();
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}
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/* This is the timer interrupt service routine. */
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void SysTick_Handler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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rt_tick_increase();
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/* leave interrupt */
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rt_interrupt_leave();
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}
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#ifdef BSP_USING_DMA
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void imxrt_dma_init(void)
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{
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edma_config_t config;
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DMAMUX_Init(DMAMUX);
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EDMA_GetDefaultConfig(&config);
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EDMA_Init(DMA0, &config);
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}
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#endif
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#ifdef BSP_USING_LPUART
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void imxrt_uart_pins_init(void)
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{
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#ifdef BSP_USING_LPUART1
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_AD_B0_12_LPUART1_TX, /* GPIO_AD_B0_12 is configured as LPUART1_TX */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_AD_B0_13_LPUART1_RX, /* GPIO_AD_B0_13 is configured as LPUART1_RX */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_AD_B0_12_LPUART1_TX, /* GPIO_AD_B0_12 PAD functional properties : */
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0x10B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Keeper
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Pull Up / Down Config. Field: 100K Ohm Pull Down
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Hyst. Enable Field: Hysteresis Disabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_AD_B0_13_LPUART1_RX, /* GPIO_AD_B0_13 PAD functional properties : */
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0x10B0u); /* Slew Rate Field: Slow Slew Rate
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Drive Strength Field: R0/6
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Keeper
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Pull Up / Down Config. Field: 100K Ohm Pull Down
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Hyst. Enable Field: Hysteresis Disabled */
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#endif
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#ifdef BSP_USING_LPUART2
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_AD_B1_02_LPUART2_TX,
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0U);
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_AD_B1_03_LPUART2_RX,
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0U);
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_AD_B1_02_LPUART2_TX,
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0x10B0u);
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_AD_B1_03_LPUART2_RX,
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0x10B0u);
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#endif
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#ifdef BSP_USING_LPUART3
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_AD_B1_06_LPUART3_TX,
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0U);
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_AD_B1_07_LPUART3_RX,
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0U);
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_AD_B1_06_LPUART3_TX,
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0x10B0u);
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_AD_B1_07_LPUART3_RX,
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0x10B0u);
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#endif
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#ifdef BSP_USING_LPUART4
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_00_LPUART4_TX,
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0U);
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_01_LPUART4_RX,
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0U);
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B1_00_LPUART4_TX,
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0x10B0u);
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B1_01_LPUART4_RX,
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0x10B0u);
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#endif
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#ifdef BSP_USING_LPUART5
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_12_LPUART5_TX,
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0U);
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_13_LPUART5_RX,
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0U);
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B1_12_LPUART5_TX,
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0x10B0u);
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B1_13_LPUART5_RX,
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0x10B0u);
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#endif
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#ifdef BSP_USING_LPUART6
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_AD_B0_02_LPUART6_TX,
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0U);
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_AD_B0_03_LPUART6_RX,
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0U);
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_AD_B0_02_LPUART6_TX,
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0x10B0u);
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_AD_B0_03_LPUART6_RX,
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0x10B0u);
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#endif
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#ifdef BSP_USING_LPUART7
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_EMC_31_LPUART7_TX,
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0U);
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_EMC_32_LPUART7_RX,
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0U);
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_EMC_31_LPUART7_TX,
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0x10B0u);
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_EMC_32_LPUART7_RX,
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0x10B0u);
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#endif
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#ifdef BSP_USING_LPUART8
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_AD_B1_10_LPUART8_TX,
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0U);
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_AD_B1_11_LPUART8_RX,
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0U);
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_AD_B1_10_LPUART8_TX,
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0x10B0u);
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_AD_B1_11_LPUART8_RX,
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0x10B0u);
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#endif
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}
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#endif /* BSP_USING_LPUART */
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#ifdef BSP_USING_ETH
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void imxrt_enet_pins_init(void)
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{
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CLOCK_EnableClock(kCLOCK_Iomuxc); /* iomuxc clock (iomuxc_clk_enable): 0x03u */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_AD_B0_09_GPIO1_IO09, /* GPIO_AD_B0_09 is configured as GPIO1_IO09 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_AD_B0_10_GPIO1_IO10, /* GPIO_AD_B0_10 is configured as GPIO1_IO10 */
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0U);
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_04_ENET_RX_DATA00, /* GPIO_B1_04 is configured as ENET_RX_DATA00 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_05_ENET_RX_DATA01, /* GPIO_B1_05 is configured as ENET_RX_DATA01 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_06_ENET_RX_EN, /* GPIO_B1_06 is configured as ENET_RX_EN */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_07_ENET_TX_DATA00, /* GPIO_B1_07 is configured as ENET_TX_DATA00 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_08_ENET_TX_DATA01, /* GPIO_B1_08 is configured as ENET_TX_DATA01 */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_09_ENET_TX_EN, /* GPIO_B1_09 is configured as ENET_TX_EN */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_10_ENET_REF_CLK, /* GPIO_B1_10 is configured as ENET_REF_CLK */
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1U); /* Software Input On Field: Force input path of pad GPIO_B1_10 */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_B1_11_ENET_RX_ER, /* GPIO_B1_11 is configured as ENET_RX_ER */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_EMC_40_ENET_MDC, /* GPIO_EMC_40 is configured as ENET_MDC */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinMux(
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IOMUXC_GPIO_EMC_41_ENET_MDIO, /* GPIO_EMC_41 is configured as ENET_MDIO */
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0U); /* Software Input On Field: Input Path is determined by functionality */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_AD_B0_09_GPIO1_IO09, /* GPIO_AD_B0_09 PAD functional properties : */
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0xB0A9u); /* Slew Rate Field: Fast Slew Rate
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Drive Strength Field: R0/5
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Disabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_AD_B0_10_GPIO1_IO10, /* GPIO_AD_B0_10 PAD functional properties : */
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0xB0A9u); /* Slew Rate Field: Fast Slew Rate
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Drive Strength Field: R0/5
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Speed Field: medium(100MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Disabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B1_04_ENET_RX_DATA00, /* GPIO_B1_04 PAD functional properties : */
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0xB0E9u); /* Slew Rate Field: Fast Slew Rate
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Drive Strength Field: R0/5
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Speed Field: max(200MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Disabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B1_05_ENET_RX_DATA01, /* GPIO_B1_05 PAD functional properties : */
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0xB0E9u); /* Slew Rate Field: Fast Slew Rate
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Drive Strength Field: R0/5
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Speed Field: max(200MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Disabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B1_06_ENET_RX_EN, /* GPIO_B1_06 PAD functional properties : */
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0xB0E9u); /* Slew Rate Field: Fast Slew Rate
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Drive Strength Field: R0/5
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Speed Field: max(200MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Disabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B1_07_ENET_TX_DATA00, /* GPIO_B1_07 PAD functional properties : */
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0xB0E9u); /* Slew Rate Field: Fast Slew Rate
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Drive Strength Field: R0/5
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Speed Field: max(200MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Disabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B1_08_ENET_TX_DATA01, /* GPIO_B1_08 PAD functional properties : */
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0xB0E9u); /* Slew Rate Field: Fast Slew Rate
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Drive Strength Field: R0/5
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Speed Field: max(200MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Disabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B1_09_ENET_TX_EN, /* GPIO_B1_09 PAD functional properties : */
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0xB0E9u); /* Slew Rate Field: Fast Slew Rate
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Drive Strength Field: R0/5
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Speed Field: max(200MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Disabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B1_10_ENET_REF_CLK, /* GPIO_B1_10 PAD functional properties : */
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0x31u); /* Slew Rate Field: Fast Slew Rate
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Drive Strength Field: R0/6
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Speed Field: low(50MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Disabled
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Pull / Keep Select Field: Keeper
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Pull Up / Down Config. Field: 100K Ohm Pull Down
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Hyst. Enable Field: Hysteresis Disabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_B1_11_ENET_RX_ER, /* GPIO_B1_11 PAD functional properties : */
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0xB0E9u); /* Slew Rate Field: Fast Slew Rate
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Drive Strength Field: R0/5
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Speed Field: max(200MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Disabled */
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IOMUXC_SetPinConfig(
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IOMUXC_GPIO_EMC_40_ENET_MDC, /* GPIO_EMC_40 PAD functional properties : */
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0xB0E9u); /* Slew Rate Field: Fast Slew Rate
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Drive Strength Field: R0/5
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Speed Field: max(200MHz)
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Open Drain Enable Field: Open Drain Disabled
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Pull / Keep Enable Field: Pull/Keeper Enabled
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Pull / Keep Select Field: Pull
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Pull Up / Down Config. Field: 100K Ohm Pull Up
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Hyst. Enable Field: Hysteresis Disabled */
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IOMUXC_SetPinConfig(
|
|
IOMUXC_GPIO_EMC_41_ENET_MDIO, /* GPIO_EMC_41 PAD functional properties : */
|
|
0xB829u); /* Slew Rate Field: Fast Slew Rate
|
|
Drive Strength Field: R0/5
|
|
Speed Field: low(50MHz)
|
|
Open Drain Enable Field: Open Drain Enabled
|
|
Pull / Keep Enable Field: Pull/Keeper Enabled
|
|
Pull / Keep Select Field: Pull
|
|
Pull Up / Down Config. Field: 100K Ohm Pull Up
|
|
Hyst. Enable Field: Hysteresis Disabled */
|
|
}
|
|
|
|
void imxrt_enet_phy_reset_by_gpio(void)
|
|
{
|
|
gpio_pin_config_t gpio_config = {kGPIO_DigitalOutput, 0, kGPIO_NoIntmode};
|
|
|
|
GPIO_PinInit(GPIO1, 9, &gpio_config);
|
|
GPIO_PinInit(GPIO1, 10, &gpio_config);
|
|
/* pull up the ENET_INT before RESET. */
|
|
GPIO_WritePinOutput(GPIO1, 10, 1);
|
|
GPIO_WritePinOutput(GPIO1, 9, 0);
|
|
rt_thread_delay(100);
|
|
GPIO_WritePinOutput(GPIO1, 9, 1);
|
|
}
|
|
#endif /* BSP_USING_ETH */
|
|
|
|
/**
|
|
* This function will initial rt1050 board.
|
|
*/
|
|
void rt_hw_board_init()
|
|
{
|
|
BOARD_ConfigMPU();
|
|
BOARD_InitPins();
|
|
BOARD_BootClockRUN();
|
|
|
|
NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
|
|
SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
|
|
|
|
#ifdef BSP_USING_LPUART
|
|
imxrt_uart_pins_init();
|
|
#endif
|
|
|
|
#ifdef BSP_USING_ETH
|
|
imxrt_enet_pins_init();
|
|
#endif
|
|
|
|
#ifdef BSP_USING_DMA
|
|
imxrt_dma_init();
|
|
#endif
|
|
|
|
#ifdef RT_USING_HEAP
|
|
rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
|
|
#endif
|
|
|
|
#ifdef RT_USING_COMPONENTS_INIT
|
|
rt_components_board_init();
|
|
#endif
|
|
|
|
#ifdef RT_USING_CONSOLE
|
|
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
|
|
#endif
|
|
}
|
|
|