/* * Copyright 2017 NXP * All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ /** * @file board.c * @brief relative configure for xidatong * @version 2.0 * @author AIIT XUOS Lab * @date 2022.03.15 */ /************************************************* File name: board.c Description: support imxrt1052-board init function Others: take SDK_2.6.1_MIMXRT1052xxxxB for references History: 1. Date: 2022-03-15 Author: AIIT XUOS Lab Modification: 1. support imxrt1052-board MPU、clock、memory init 2. support imxrt1052-board uart、sdio driver init *************************************************/ #include "fsl_common.h" #include "board.h" #include "pin_mux.h" #if defined(SDK_I2C_BASED_COMPONENT_USED) && SDK_I2C_BASED_COMPONENT_USED #include "fsl_lpi2c.h" #endif /* SDK_I2C_BASED_COMPONENT_USED */ #include "fsl_iomuxc.h" #include "fsl_gpio.h" #include "fsl_lpuart.h" #ifdef BSP_USING_GPIO #include #endif #ifdef BSP_USING_LPUART #include #endif #ifdef BSP_USING_CH438 #include #endif #ifdef BSP_USING_SDIO #include #endif #ifdef BSP_USING_SEMC extern status_t BOARD_InitSEMC(void); #ifdef BSP_USING_EXTSRAM extern int ExtSramInit(void); #endif #endif #ifdef BSP_USING_LWIP extern int ETH_BSP_Config(); #endif void BOARD_SD_Pin_Config(uint32_t speed, uint32_t strength) { IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B0_00_USDHC1_CMD, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_PKE_MASK | IOMUXC_SW_PAD_CTL_PAD_PUE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(1) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B0_01_USDHC1_CLK, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(0) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B0_02_USDHC1_DATA0, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_PKE_MASK | IOMUXC_SW_PAD_CTL_PAD_PUE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(1) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B0_03_USDHC1_DATA1, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_PKE_MASK | IOMUXC_SW_PAD_CTL_PAD_PUE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(1) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B0_04_USDHC1_DATA2, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_PKE_MASK | IOMUXC_SW_PAD_CTL_PAD_PUE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(1) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B0_05_USDHC1_DATA3, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_PKE_MASK | IOMUXC_SW_PAD_CTL_PAD_PUE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(1) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); } void BOARD_MMC_Pin_Config(uint32_t speed, uint32_t strength) { IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B1_05_USDHC2_CMD, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_PKE_MASK | IOMUXC_SW_PAD_CTL_PAD_PUE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(1) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B1_04_USDHC2_CLK, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(0) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B1_03_USDHC2_DATA0, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_PKE_MASK | IOMUXC_SW_PAD_CTL_PAD_PUE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(1) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B1_02_USDHC2_DATA1, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_PKE_MASK | IOMUXC_SW_PAD_CTL_PAD_PUE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(1) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B1_01_USDHC2_DATA2, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_PKE_MASK | IOMUXC_SW_PAD_CTL_PAD_PUE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(1) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B1_00_USDHC2_DATA3, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_PKE_MASK | IOMUXC_SW_PAD_CTL_PAD_PUE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(1) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B1_08_USDHC2_DATA4, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_PKE_MASK | IOMUXC_SW_PAD_CTL_PAD_PUE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(1) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B1_09_USDHC2_DATA5, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_PKE_MASK | IOMUXC_SW_PAD_CTL_PAD_PUE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(1) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B1_10_USDHC2_DATA6, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_PKE_MASK | IOMUXC_SW_PAD_CTL_PAD_PUE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(1) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B1_11_USDHC2_DATA7, IOMUXC_SW_PAD_CTL_PAD_SPEED(speed) | IOMUXC_SW_PAD_CTL_PAD_SRE_MASK | IOMUXC_SW_PAD_CTL_PAD_PKE_MASK | IOMUXC_SW_PAD_CTL_PAD_PUE_MASK | IOMUXC_SW_PAD_CTL_PAD_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_PUS(1) | IOMUXC_SW_PAD_CTL_PAD_DSE(strength)); } /* MPU configuration. */ void BOARD_ConfigMPU(void) { /* Disable I cache and D cache */ if (SCB_CCR_IC_Msk == (SCB_CCR_IC_Msk & SCB->CCR)) { SCB_DisableICache(); } if (SCB_CCR_DC_Msk == (SCB_CCR_DC_Msk & SCB->CCR)) { SCB_DisableDCache(); } /* Disable MPU */ ARM_MPU_Disable(); /* MPU configure: * Use ARM_MPU_RASR(DisableExec, AccessPermission, TypeExtField, IsShareable, IsCacheable, IsBufferable, * SubRegionDisable, Size) * API in mpu_armv7.h. * param DisableExec Instruction access (XN) disable bit,0=instruction fetches enabled, 1=instruction fetches * disabled. * param AccessPermission Data access permissions, allows you to configure read/write access for User and * Privileged mode. * Use MACROS defined in mpu_armv7.h: * ARM_MPU_AP_NONE/ARM_MPU_AP_PRIV/ARM_MPU_AP_URO/ARM_MPU_AP_FULL/ARM_MPU_AP_PRO/ARM_MPU_AP_RO * Combine TypeExtField/IsShareable/IsCacheable/IsBufferable to configure MPU memory access attributes. * TypeExtField IsShareable IsCacheable IsBufferable Memory Attribtue Shareability Cache * 0 x 0 0 Strongly Ordered shareable * 0 x 0 1 Device shareable * 0 0 1 0 Normal not shareable Outer and inner write * through no write allocate * 0 0 1 1 Normal not shareable Outer and inner write * back no write allocate * 0 1 1 0 Normal shareable Outer and inner write * through no write allocate * 0 1 1 1 Normal shareable Outer and inner write * back no write allocate * 1 0 0 0 Normal not shareable outer and inner * noncache * 1 1 0 0 Normal shareable outer and inner * noncache * 1 0 1 1 Normal not shareable outer and inner write * back write/read acllocate * 1 1 1 1 Normal shareable outer and inner write * back write/read acllocate * 2 x 0 0 Device not shareable * Above are normal use settings, if your want to see more details or want to config different inner/outter cache * policy. * please refer to Table 4-55 /4-56 in arm cortex-M7 generic user guide * param SubRegionDisable Sub-region disable field. 0=sub-region is enabled, 1=sub-region is disabled. * param Size Region size of the region to be configured. use ARM_MPU_REGION_SIZE_xxx MACRO in * mpu_armv7.h. */ /* Region 0 setting: Memory with Device type, not shareable, non-cacheable. */ MPU->RBAR = ARM_MPU_RBAR(0, 0xC0000000U); MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 2, 0, 0, 0, 0, ARM_MPU_REGION_SIZE_512MB); /* Region 1 setting: Memory with Device type, not shareable, non-cacheable. */ MPU->RBAR = ARM_MPU_RBAR(1, 0x80000000U); MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 2, 0, 0, 0, 0, ARM_MPU_REGION_SIZE_1GB); /* Region 2 setting */ #if defined(XIP_EXTERNAL_FLASH) && (XIP_EXTERNAL_FLASH == 1) /* Setting Memory with Normal type, not shareable, outer/inner write back. */ MPU->RBAR = ARM_MPU_RBAR(2, 0x60000000U); MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_RO, 0, 0, 1, 1, 0, ARM_MPU_REGION_SIZE_64MB); #else /* Setting Memory with Device type, not shareable, non-cacheable. */ MPU->RBAR = ARM_MPU_RBAR(2, 0x60000000U); MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_RO, 2, 0, 0, 0, 0, ARM_MPU_REGION_SIZE_64MB); #endif /* Region 3 setting: Memory with Device type, not shareable, non-cacheable. */ MPU->RBAR = ARM_MPU_RBAR(3, 0x00000000U); MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 2, 0, 0, 0, 0, ARM_MPU_REGION_SIZE_1GB); /* Region 4 setting: Memory with Normal type, not shareable, outer/inner write back */ MPU->RBAR = ARM_MPU_RBAR(4, 0x00000000U); MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 0, 0, 1, 1, 0, ARM_MPU_REGION_SIZE_128KB); /* Region 5 setting: Memory with Normal type, not shareable, outer/inner write back */ MPU->RBAR = ARM_MPU_RBAR(5, 0x20000000U); MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 0, 0, 1, 1, 0, ARM_MPU_REGION_SIZE_128KB); /* Region 6 setting: Memory with Normal type, not shareable, outer/inner write back */ MPU->RBAR = ARM_MPU_RBAR(6, 0x20200000U); MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 0, 0, 1, 1, 0, ARM_MPU_REGION_SIZE_256KB); /* The define sets the cacheable memory to shareable, * this suggestion is referred from chapter 2.2.1 Memory regions, * types and attributes in Cortex-M7 Devices, Generic User Guide */ #if defined(SDRAM_IS_SHAREABLE) /* Region 7 setting: Memory with Normal type, shareable, outer/inner write back */ MPU->RBAR = ARM_MPU_RBAR(7, 0x80000000U); MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 0, 1, 1, 1, 0, ARM_MPU_REGION_SIZE_32MB); #else /* Region 7 setting: Memory with Normal type, not shareable, outer/inner write back */ MPU->RBAR = ARM_MPU_RBAR(7, 0x80000000U); MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 0, 0, 1, 1, 0, ARM_MPU_REGION_SIZE_32MB); #endif /* Region 8 setting, set last 2MB of SDRAM can't be accessed by cache, glocal variables which are not expected to be * accessed by cache can be put here */ /* Memory with Normal type, not shareable, non-cacheable */ MPU->RBAR = ARM_MPU_RBAR(8, 0x81E00000U); MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 1, 0, 0, 0, 0, ARM_MPU_REGION_SIZE_2MB); /* Enable MPU */ ARM_MPU_Enable(MPU_CTRL_PRIVDEFENA_Msk); /* Enable I cache and D cache */ SCB_EnableDCache(); SCB_EnableICache(); } /* This is the timer interrupt service routine. */ void SysTick_Handler(int irqn, void *arg) { TickAndTaskTimesliceUpdate(); } DECLARE_HW_IRQ(SYSTICK_IRQN, SysTick_Handler, NONE); /** * This function will initial imxrt1050 board. */ void InitBoardHardware() { BOARD_ConfigMPU(); BOARD_InitPins(); BOARD_BootClockRUN(); #ifndef BSP_USING_LWIP NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4); SysTick_Config(SystemCoreClock / TICK_PER_SECOND); #endif #ifdef BSP_USING_GPIO Imxrt1052HwGpioInit(); #endif #ifdef BSP_USING_LPUART BOARD_InitUartPins(); #endif InitBoardMemory((void *)HEAP_BEGIN, (void *)HEAP_END); #ifdef BSP_USING_SEMC CLOCK_InitSysPfd(kCLOCK_Pfd2, 29); /* Set semc clock to 163.86 MHz */ CLOCK_SetMux(kCLOCK_SemcMux, 1); CLOCK_SetDiv(kCLOCK_SemcDiv, 1); if (BOARD_InitSEMC() != kStatus_Success) { KPrintf("\r\n SEMC Init Failed\r\n"); } #ifdef MEM_EXTERN_SRAM else { ExtSramInit(); } #endif #endif #ifdef BSP_USING_LWIP ETH_BSP_Config(); #endif #ifdef BSP_USING_LPUART Imxrt1052HwUartInit(); #endif InstallConsole(KERNEL_CONSOLE_BUS_NAME, KERNEL_CONSOLE_DRV_NAME, KERNEL_CONSOLE_DEVICE_NAME); #ifdef BSP_USING_CH438 Imxrt1052HwCh438Init(); #endif #ifdef BSP_USING_SDIO Imxrt1052HwSdioInit(); #endif }