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/*
* Copyright 2017 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/**
* @file board.c
* @brief relative configure for ok1052-c board
* @version 1.0
* @author AIIT XUOS Lab
* @date 2021.11.11
*/
/*************************************************
File name: board.c
Description: support ok1052-c board init function
Others: take SDK_2.6.1_MIMXRT1052xxxxB for references
History:
1. Date: 2021-11-11
Author: AIIT XUOS Lab
Modification:
1. support ok1052-c board MPU, Clock, Memory init
2. support ok1052-c board uart, semc, sdio driver init
3. support ok1052-c board I2C, SPI, ADC, RTC driver init
*************************************************/
#include "fsl_common.h"
#include "board.h"
#include "pin_mux.h"
#ifdef BSP_USING_SDIO
extern int Imxrt1052HwSdioInit(void);
#endif
#ifdef BSP_USING_SEMC
extern status_t BOARD_InitSEMC(void);
#ifdef BSP_USING_EXTSRAM
extern int ExtSramInit(void);
#endif
#endif
#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 <connect_gpio.h>
#endif
#ifdef BSP_USING_LWIP
#include <connect_ethernet.h>
#endif
#ifdef BSP_USING_LPUART
#include <connect_uart.h>
#endif
#ifdef BSP_USING_USB
#include <connect_usb.h>
#endif
#ifdef BSP_USING_ADC
#include <connect_adc.h>
#endif
#ifdef BSP_USING_I2C
#include <connect_i2c.h>
#endif
#ifdef BSP_USING_SPI
#include <connect_spi.h>
#endif
#ifdef BSP_USING_RTC
#include <connect_rtc.h>
#endif
#define NVIC_PRIORITYGROUP_0 0x00000007U /*!< 0 bits for pre-emption priority
4 bits for subpriority */
#define NVIC_PRIORITYGROUP_1 0x00000006U /*!< 1 bits for pre-emption priority
3 bits for subpriority */
#define NVIC_PRIORITYGROUP_2 0x00000005U /*!< 2 bits for pre-emption priority
2 bits for subpriority */
#define NVIC_PRIORITYGROUP_3 0x00000004U /*!< 3 bits for pre-emption priority
1 bits for subpriority */
#define NVIC_PRIORITYGROUP_4 0x00000003U /*!< 4 bits for pre-emption priority
/*******************************************************************************
* Variables
******************************************************************************/
/*******************************************************************************
* Code
******************************************************************************/
#if 0
/* Get debug console frequency. */
uint32_t BOARD_DebugConsoleSrcFreq(void)
{
uint32_t freq;
/* To make it simple, we assume default PLL and divider settings, and the only variable
from application is use PLL3 source or OSC source */
if (CLOCK_GetMux(kCLOCK_UartMux) == 0) /* PLL3 div6 80M */
{
freq = (CLOCK_GetPllFreq(kCLOCK_PllUsb1) / 6U) / (CLOCK_GetDiv(kCLOCK_UartDiv) + 1U);
}
else
{
freq = CLOCK_GetOscFreq() / (CLOCK_GetDiv(kCLOCK_UartDiv) + 1U);
}
return freq;
}
/* Initialize debug console. */
void BOARD_InitDebugConsole(void)
{
uint32_t uartClkSrcFreq = BOARD_DebugConsoleSrcFreq();
DbgConsole_Init(BOARD_DEBUG_UART_INSTANCE, BOARD_DEBUG_UART_BAUDRATE, BOARD_DEBUG_UART_TYPE, uartClkSrcFreq);
}
#if defined(SDK_I2C_BASED_COMPONENT_USED) && SDK_I2C_BASED_COMPONENT_USED
void BOARD_LPI2C_Init(LPI2C_Type *base, uint32_t clkSrc_Hz)
{
lpi2c_master_config_t lpi2cConfig = {0};
/*
* lpi2cConfig.debugEnable = false;
* lpi2cConfig.ignoreAck = false;
* lpi2cConfig.pinConfig = kLPI2C_2PinOpenDrain;
* lpi2cConfig.baudRate_Hz = 100000U;
* lpi2cConfig.busIdleTimeout_ns = 0;
* lpi2cConfig.pinLowTimeout_ns = 0;
* lpi2cConfig.sdaGlitchFilterWidth_ns = 0;
* lpi2cConfig.sclGlitchFilterWidth_ns = 0;
*/
LPI2C_MasterGetDefaultConfig(&lpi2cConfig);
LPI2C_MasterInit(base, &lpi2cConfig, clkSrc_Hz);
}
status_t BOARD_LPI2C_Send(LPI2C_Type *base,
uint8_t deviceAddress,
uint32_t subAddress,
uint8_t subAddressSize,
uint8_t *txBuff,
uint8_t txBuffSize)
{
status_t reVal;
/* Send master blocking data to slave */
reVal = LPI2C_MasterStart(base, deviceAddress, kLPI2C_Write);
if (kStatus_Success == reVal)
{
while (LPI2C_MasterGetStatusFlags(base) & kLPI2C_MasterNackDetectFlag)
{
}
reVal = LPI2C_MasterSend(base, &subAddress, subAddressSize);
if (reVal != kStatus_Success)
{
return reVal;
}
reVal = LPI2C_MasterSend(base, txBuff, txBuffSize);
if (reVal != kStatus_Success)
{
return reVal;
}
reVal = LPI2C_MasterStop(base);
if (reVal != kStatus_Success)
{
return reVal;
}
}
return reVal;
}
status_t BOARD_LPI2C_Receive(LPI2C_Type *base,
uint8_t deviceAddress,
uint32_t subAddress,
uint8_t subAddressSize,
uint8_t *rxBuff,
uint8_t rxBuffSize)
{
status_t reVal;
reVal = LPI2C_MasterStart(base, deviceAddress, kLPI2C_Write);
if (kStatus_Success == reVal)
{
while (LPI2C_MasterGetStatusFlags(base) & kLPI2C_MasterNackDetectFlag)
{
}
reVal = LPI2C_MasterSend(base, &subAddress, subAddressSize);
if (reVal != kStatus_Success)
{
return reVal;
}
reVal = LPI2C_MasterRepeatedStart(base, deviceAddress, kLPI2C_Read);
if (reVal != kStatus_Success)
{
return reVal;
}
reVal = LPI2C_MasterReceive(base, rxBuff, rxBuffSize);
if (reVal != kStatus_Success)
{
return reVal;
}
reVal = LPI2C_MasterStop(base);
if (reVal != kStatus_Success)
{
return reVal;
}
}
return reVal;
}
status_t BOARD_LPI2C_SendSCCB(LPI2C_Type *base,
uint8_t deviceAddress,
uint32_t subAddress,
uint8_t subAddressSize,
uint8_t *txBuff,
uint8_t txBuffSize)
{
return BOARD_LPI2C_Send(base, deviceAddress, subAddress, subAddressSize, txBuff, txBuffSize);
}
status_t BOARD_LPI2C_ReceiveSCCB(LPI2C_Type *base,
uint8_t deviceAddress,
uint32_t subAddress,
uint8_t subAddressSize,
uint8_t *rxBuff,
uint8_t rxBuffSize)
{
status_t reVal;
reVal = LPI2C_MasterStart(base, deviceAddress, kLPI2C_Write);
if (kStatus_Success == reVal)
{
while (LPI2C_MasterGetStatusFlags(base) & kLPI2C_MasterNackDetectFlag)
{
}
reVal = LPI2C_MasterSend(base, &subAddress, subAddressSize);
if (reVal != kStatus_Success)
{
return reVal;
}
/* SCCB does not support LPI2C repeat start, must stop then start. */
reVal = LPI2C_MasterStop(base);
if (reVal != kStatus_Success)
{
return reVal;
}
reVal = LPI2C_MasterStart(base, deviceAddress, kLPI2C_Read);
if (reVal != kStatus_Success)
{
return reVal;
}
reVal = LPI2C_MasterReceive(base, rxBuff, rxBuffSize);
if (reVal != kStatus_Success)
{
return reVal;
}
reVal = LPI2C_MasterStop(base);
if (reVal != kStatus_Success)
{
return reVal;
}
}
return reVal;
}
void BOARD_Accel_I2C_Init(void)
{
BOARD_LPI2C_Init(BOARD_ACCEL_I2C_BASEADDR, BOARD_ACCEL_I2C_CLOCK_FREQ);
}
status_t BOARD_Accel_I2C_Send(uint8_t deviceAddress, uint32_t subAddress, uint8_t subaddressSize, uint32_t txBuff)
{
uint8_t data = (uint8_t)txBuff;
return BOARD_LPI2C_Send(BOARD_ACCEL_I2C_BASEADDR, deviceAddress, subAddress, subaddressSize, &data, 1);
}
status_t BOARD_Accel_I2C_Receive(
uint8_t deviceAddress, uint32_t subAddress, uint8_t subaddressSize, uint8_t *rxBuff, uint8_t rxBuffSize)
{
return BOARD_LPI2C_Receive(BOARD_ACCEL_I2C_BASEADDR, deviceAddress, subAddress, subaddressSize, rxBuff, rxBuffSize);
}
void BOARD_Codec_I2C_Init(void)
{
BOARD_LPI2C_Init(BOARD_CODEC_I2C_BASEADDR, BOARD_CODEC_I2C_CLOCK_FREQ);
}
status_t BOARD_Codec_I2C_Send(
uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, const uint8_t *txBuff, uint8_t txBuffSize)
{
return BOARD_LPI2C_Send(BOARD_CODEC_I2C_BASEADDR, deviceAddress, subAddress, subAddressSize, (uint8_t *)txBuff,
txBuffSize);
}
status_t BOARD_Codec_I2C_Receive(
uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, uint8_t *rxBuff, uint8_t rxBuffSize)
{
return BOARD_LPI2C_Receive(BOARD_CODEC_I2C_BASEADDR, deviceAddress, subAddress, subAddressSize, rxBuff, rxBuffSize);
}
void BOARD_Camera_I2C_Init(void)
{
CLOCK_SetMux(kCLOCK_Lpi2cMux, BOARD_CAMERA_I2C_CLOCK_SOURCE_SELECT);
CLOCK_SetDiv(kCLOCK_Lpi2cDiv, BOARD_CAMERA_I2C_CLOCK_SOURCE_DIVIDER);
BOARD_LPI2C_Init(BOARD_CAMERA_I2C_BASEADDR, BOARD_CAMERA_I2C_CLOCK_FREQ);
}
status_t BOARD_Camera_I2C_Send(
uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, const uint8_t *txBuff, uint8_t txBuffSize)
{
return BOARD_LPI2C_Send(BOARD_CAMERA_I2C_BASEADDR, deviceAddress, subAddress, subAddressSize, (uint8_t *)txBuff,
txBuffSize);
}
status_t BOARD_Camera_I2C_Receive(
uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, uint8_t *rxBuff, uint8_t rxBuffSize)
{
return BOARD_LPI2C_Receive(BOARD_CAMERA_I2C_BASEADDR, deviceAddress, subAddress, subAddressSize, rxBuff,
rxBuffSize);
}
status_t BOARD_Camera_I2C_SendSCCB(
uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, const uint8_t *txBuff, uint8_t txBuffSize)
{
return BOARD_LPI2C_SendSCCB(BOARD_CAMERA_I2C_BASEADDR, deviceAddress, subAddress, subAddressSize, (uint8_t *)txBuff,
txBuffSize);
}
status_t BOARD_Camera_I2C_ReceiveSCCB(
uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, uint8_t *rxBuff, uint8_t rxBuffSize)
{
return BOARD_LPI2C_ReceiveSCCB(BOARD_CAMERA_I2C_BASEADDR, deviceAddress, subAddress, subAddressSize, rxBuff,
rxBuffSize);
}
#endif /* SDK_I2C_BASED_COMPONENT_USED */
#endif
void ImxrtMsDelay(uint32 ms)
{
uint64 ticks = 0;
uint32 told, tnow, tcnt = 0;
uint32 reload = SysTick->LOAD;
ticks = ((uint64)ms * ((uint64)reload + 1) * TICK_PER_SECOND) / 1000;
told = SysTick->VAL;
//KPrintf("%s reload %u ms %u ticks %u told %u\n", __func__, reload, ms, ticks, told);
while (1) {
tnow = SysTick->VAL;
if (tnow != told) {
if (tnow < told) {
tcnt += told - tnow;
} else {
tcnt += reload - tnow + told;
}
told = tnow;
if (tcnt >= ticks) {
break;
}
}
}
}
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 <dui0646b_cortex_m7_dgug.pdf>
* 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();
}
#ifdef BSP_USING_LPUART
void imxrt_uart_pins_init(void)
{
#ifdef BSP_USING_LPUART1
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_12_LPUART1_TX, /* GPIO_AD_B0_12 is configured as LPUART1_TX */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B0_13_LPUART1_RX, /* GPIO_AD_B0_13 is configured as LPUART1_RX */
0U); /* Software Input On Field: Input Path is determined by functionality */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B0_12_LPUART1_TX, /* GPIO_AD_B0_12 PAD functional properties : */
0x10B0u); /* Slew Rate Field: Slow Slew Rate
Drive Strength Field: R0/6
Speed Field: medium(100MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Keeper
Pull Up / Down Config. Field: 100K Ohm Pull Down
Hyst. Enable Field: Hysteresis Disabled */
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B0_13_LPUART1_RX, /* GPIO_AD_B0_13 PAD functional properties : */
0x10B0u); /* Slew Rate Field: Slow Slew Rate
Drive Strength Field: R0/6
Speed Field: medium(100MHz)
Open Drain Enable Field: Open Drain Disabled
Pull / Keep Enable Field: Pull/Keeper Enabled
Pull / Keep Select Field: Keeper
Pull Up / Down Config. Field: 100K Ohm Pull Down
Hyst. Enable Field: Hysteresis Disabled */
#endif
#ifdef BSP_USING_LPUART2
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_02_LPUART2_TX,
0U);
IOMUXC_SetPinMux(
IOMUXC_GPIO_AD_B1_03_LPUART2_RX,
0U);
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B1_02_LPUART2_TX,
0x10B0u);
IOMUXC_SetPinConfig(
IOMUXC_GPIO_AD_B1_03_LPUART2_RX,
0x10B0u);
#endif
}
#endif /* BSP_USING_LPUART */
/**
* This function will initial rt1050 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
imxrt_uart_pins_init();
#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
#ifdef BSP_USING_ADC
Imxrt1052HwAdcInit();
#endif
#ifdef BSP_USING_I2C
Imxrt1052HwI2cInit();
#endif
#ifdef BSP_USING_SPI
Imxrt1052HwSpiInit();
#endif
#ifdef BSP_USING_RTC
Imxrt1052HwRtcInit();
#endif
InstallConsole(KERNEL_CONSOLE_BUS_NAME, KERNEL_CONSOLE_DRV_NAME, KERNEL_CONSOLE_DEVICE_NAME);
#ifdef BSP_USING_SDIO
Imxrt1052HwSdioInit();
#endif
#ifdef BSP_USING_USB
#ifdef BSP_USING_NXP_USBH
Imxrt1052HwUsbHostInit();
#endif
#endif
}
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