/* * Copyright 2020-2022 NXP * All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include "sdmmc_config.h" #include "fsl_iomuxc.h" /******************************************************************************* * Definitions ******************************************************************************/ /******************************************************************************* * Prototypes ******************************************************************************/ void BOARD_SDCardPowerControl(bool enable); /******************************************************************************* * Variables ******************************************************************************/ /*!brief sdmmc dma buffer */ AT_NONCACHEABLE_SECTION_ALIGN(static uint32_t s_sdmmcHostDmaBuffer[BOARD_SDMMC_HOST_DMA_DESCRIPTOR_BUFFER_SIZE], SDMMCHOST_DMA_DESCRIPTOR_BUFFER_ALIGN_SIZE); #if defined SDMMCHOST_ENABLE_CACHE_LINE_ALIGN_TRANSFER && SDMMCHOST_ENABLE_CACHE_LINE_ALIGN_TRANSFER /* two cache line length for sdmmc host driver maintain unalign transfer */ SDK_ALIGN(static uint8_t s_sdmmcCacheLineAlignBuffer[BOARD_SDMMC_DATA_BUFFER_ALIGN_SIZE * 2U], BOARD_SDMMC_DATA_BUFFER_ALIGN_SIZE); #endif #if defined(SDIO_ENABLED) || defined(SD_ENABLED) static sd_detect_card_t s_cd; static sd_io_voltage_t s_ioVoltage = { .type = BOARD_SDMMC_SD_IO_VOLTAGE_CONTROL_TYPE, .func = NULL, }; #endif static sdmmchost_t s_host; #ifdef SDIO_ENABLED static sdio_card_int_t s_sdioInt; #endif GPIO_HANDLE_DEFINE(s_CardDetectGpioHandle); GPIO_HANDLE_DEFINE(s_PowerResetGpioHandle); /******************************************************************************* * Code ******************************************************************************/ uint32_t BOARD_USDHC1ClockConfiguration(void) { clock_root_config_t rootCfg = {0}; /* SYS PLL2 528MHz. */ const clock_sys_pll2_config_t sysPll2Config = { .ssEnable = false, }; CLOCK_InitSysPll2(&sysPll2Config); CLOCK_InitPfd(kCLOCK_PllSys2, kCLOCK_Pfd2, 24); rootCfg.mux = 4; rootCfg.div = 2; CLOCK_SetRootClock(kCLOCK_Root_Usdhc1, &rootCfg); return CLOCK_GetRootClockFreq(kCLOCK_Root_Usdhc1); } #if __CORTEX_M == 7 void BOARD_USDHC_Errata(void) { /* ERR050396 * Errata description: * AXI to AHB conversion for CM7 AHBS port (port to access CM7 to TCM) is by a NIC301 block, instead of XHB400 * block. NIC301 doesn’t support sparse write conversion. Any AXI to AHB conversion need XHB400, not by NIC. This * will result in data corruption in case of AXI sparse write reaches the NIC301 ahead of AHBS. Errata workaround: * For uSDHC, don’t set the bit#1 of IOMUXC_GPR28 (AXI transaction is cacheable), if write data to TCM aligned in 4 * bytes; No such write access limitation for OCRAM or external RAM */ IOMUXC_GPR->GPR28 &= (~IOMUXC_GPR_GPR28_AWCACHE_USDHC_MASK); } #endif #if defined(SDIO_ENABLED) || defined(SD_ENABLED) bool BOARD_SDCardGetDetectStatus(void) { uint8_t pinState; if (HAL_GpioGetInput(s_CardDetectGpioHandle, &pinState) == kStatus_HAL_GpioSuccess) { if (pinState == BOARD_SDMMC_SD_CD_INSERT_LEVEL) { return true; } } return false; } void SDMMC_SD_CD_Callback(void *param) { if (s_cd.callback != NULL) { s_cd.callback(BOARD_SDCardGetDetectStatus(), s_cd.userData); } } void BOARD_SDCardDAT3PullFunction(uint32_t status) { if (status == kSD_DAT3PullDown) { IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B1_05_USDHC1_DATA3, 0xCU); /* no pull in IOMUX configuration, 100K pull down externally is required. */ /* power reset the card to clear DAT3 legacy status */ BOARD_SDCardPowerControl(false); SDK_DelayAtLeastUs(1000U, SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY); /* make sure the card is power on for DAT3 pull up */ BOARD_SDCardPowerControl(true); /* power on delay */ SDK_DelayAtLeastUs(1000U, SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY); } else { IOMUXC_SetPinConfig(IOMUXC_GPIO_SD_B1_05_USDHC1_DATA3, 0x4U); } } void BOARD_SDCardDetectInit(sd_cd_t cd, void *userData) { uint8_t pinState; /* install card detect callback */ s_cd.cdDebounce_ms = BOARD_SDMMC_SD_CARD_DETECT_DEBOUNCE_DELAY_MS; s_cd.type = BOARD_SDMMC_SD_CD_TYPE; s_cd.cardDetected = BOARD_SDCardGetDetectStatus; s_cd.callback = cd; s_cd.userData = userData; if (BOARD_SDMMC_SD_CD_TYPE == kSD_DetectCardByGpioCD) { hal_gpio_pin_config_t sw_config = { kHAL_GpioDirectionIn, 0, BOARD_SDMMC_SD_CD_GPIO_PORT, BOARD_SDMMC_SD_CD_GPIO_PIN, }; HAL_GpioInit(s_CardDetectGpioHandle, &sw_config); HAL_GpioSetTriggerMode(s_CardDetectGpioHandle, BOARD_SDMMC_SD_CD_INTTERUPT_TYPE); HAL_GpioInstallCallback(s_CardDetectGpioHandle, SDMMC_SD_CD_Callback, NULL); if (HAL_GpioGetInput(s_CardDetectGpioHandle, &pinState) == kStatus_HAL_GpioSuccess) { if (pinState == BOARD_SDMMC_SD_CD_INSERT_LEVEL) { if (cd != NULL) { cd(true, userData); } } } } /* register DAT3 pull function switch function pointer */ if (BOARD_SDMMC_SD_CD_TYPE == kSD_DetectCardByHostDATA3) { s_cd.dat3PullFunc = BOARD_SDCardDAT3PullFunction; BOARD_SDCardPowerControl(true); } } void BOARD_SDCardPowerResetInit(void) { hal_gpio_pin_config_t sw_config = { kHAL_GpioDirectionOut, 1, BOARD_SDMMC_SD_POWER_RESET_GPIO_PORT, BOARD_SDMMC_SD_POWER_RESET_GPIO_PIN, }; HAL_GpioInit(s_PowerResetGpioHandle, &sw_config); } void BOARD_SDCardPowerControl(bool enable) { if (enable) { HAL_GpioSetOutput(s_PowerResetGpioHandle, 0); } else { HAL_GpioSetOutput(s_PowerResetGpioHandle, 1); } } #endif #ifdef SD_ENABLED void BOARD_SD_Config(void *card, sd_cd_t cd, uint32_t hostIRQPriority, void *userData) { assert(card); s_host.dmaDesBuffer = s_sdmmcHostDmaBuffer; s_host.dmaDesBufferWordsNum = BOARD_SDMMC_HOST_DMA_DESCRIPTOR_BUFFER_SIZE; #if ((defined __DCACHE_PRESENT) && __DCACHE_PRESENT) || (defined FSL_FEATURE_HAS_L1CACHE && FSL_FEATURE_HAS_L1CACHE) s_host.enableCacheControl = BOARD_SDMMC_HOST_CACHE_CONTROL; #endif #if defined SDMMCHOST_ENABLE_CACHE_LINE_ALIGN_TRANSFER && SDMMCHOST_ENABLE_CACHE_LINE_ALIGN_TRANSFER s_host.cacheAlignBuffer = s_sdmmcCacheLineAlignBuffer; s_host.cacheAlignBufferSize = BOARD_SDMMC_DATA_BUFFER_ALIGN_SIZE * 2U; #endif ((sd_card_t *)card)->host = &s_host; ((sd_card_t *)card)->host->hostController.base = BOARD_SDMMC_SD_HOST_BASEADDR; ((sd_card_t *)card)->host->hostController.sourceClock_Hz = BOARD_USDHC1ClockConfiguration(); ((sd_card_t *)card)->usrParam.cd = &s_cd; ((sd_card_t *)card)->usrParam.pwr = BOARD_SDCardPowerControl; ((sd_card_t *)card)->usrParam.ioStrength = NULL; ((sd_card_t *)card)->usrParam.ioVoltage = &s_ioVoltage; ((sd_card_t *)card)->usrParam.maxFreq = BOARD_SDMMC_SD_HOST_SUPPORT_SDR104_FREQ; BOARD_SDCardPowerResetInit(); BOARD_SDCardDetectInit(cd, userData); NVIC_SetPriority(BOARD_SDMMC_SD_HOST_IRQ, hostIRQPriority); #if __CORTEX_M == 7 BOARD_USDHC_Errata(); #endif } #endif #ifdef SDIO_ENABLED void BOARD_SDIO_Config(void *card, sd_cd_t cd, uint32_t hostIRQPriority, sdio_int_t cardInt) { assert(card); s_host.dmaDesBuffer = s_sdmmcHostDmaBuffer; s_host.dmaDesBufferWordsNum = BOARD_SDMMC_HOST_DMA_DESCRIPTOR_BUFFER_SIZE; #if ((defined __DCACHE_PRESENT) && __DCACHE_PRESENT) || (defined FSL_FEATURE_HAS_L1CACHE && FSL_FEATURE_HAS_L1CACHE) s_host.enableCacheControl = BOARD_SDMMC_HOST_CACHE_CONTROL; #endif #if defined SDMMCHOST_ENABLE_CACHE_LINE_ALIGN_TRANSFER && SDMMCHOST_ENABLE_CACHE_LINE_ALIGN_TRANSFER s_host.cacheAlignBuffer = s_sdmmcCacheLineAlignBuffer; s_host.cacheAlignBufferSize = BOARD_SDMMC_DATA_BUFFER_ALIGN_SIZE * 2U; #endif ((sdio_card_t *)card)->host = &s_host; ((sdio_card_t *)card)->host->hostController.base = BOARD_SDMMC_SDIO_HOST_BASEADDR; ((sdio_card_t *)card)->host->hostController.sourceClock_Hz = BOARD_USDHC1ClockConfiguration(); ((sdio_card_t *)card)->usrParam.cd = &s_cd; ((sdio_card_t *)card)->usrParam.pwr = BOARD_SDCardPowerControl; ((sdio_card_t *)card)->usrParam.ioStrength = NULL; ((sdio_card_t *)card)->usrParam.ioVoltage = &s_ioVoltage; ((sdio_card_t *)card)->usrParam.maxFreq = BOARD_SDMMC_SD_HOST_SUPPORT_SDR104_FREQ; if (cardInt != NULL) { s_sdioInt.cardInterrupt = cardInt; ((sdio_card_t *)card)->usrParam.sdioInt = &s_sdioInt; } BOARD_SDCardPowerResetInit(); BOARD_SDCardDetectInit(cd, NULL); NVIC_SetPriority(BOARD_SDMMC_SDIO_HOST_IRQ, hostIRQPriority); #if __CORTEX_M == 7 BOARD_USDHC_Errata(); #endif } #endif #ifdef MMC_ENABLED void BOARD_MMC_Config(void *card, uint32_t hostIRQPriority) { assert(card); s_host.dmaDesBuffer = s_sdmmcHostDmaBuffer; s_host.dmaDesBufferWordsNum = BOARD_SDMMC_HOST_DMA_DESCRIPTOR_BUFFER_SIZE; #if ((defined __DCACHE_PRESENT) && __DCACHE_PRESENT) || (defined FSL_FEATURE_HAS_L1CACHE && FSL_FEATURE_HAS_L1CACHE) s_host.enableCacheControl = BOARD_SDMMC_HOST_CACHE_CONTROL; #endif #if defined SDMMCHOST_ENABLE_CACHE_LINE_ALIGN_TRANSFER && SDMMCHOST_ENABLE_CACHE_LINE_ALIGN_TRANSFER s_host.cacheAlignBuffer = s_sdmmcCacheLineAlignBuffer; s_host.cacheAlignBufferSize = BOARD_SDMMC_DATA_BUFFER_ALIGN_SIZE * 2U; #endif ((mmc_card_t *)card)->host = &s_host; ((mmc_card_t *)card)->host->hostController.base = BOARD_SDMMC_MMC_HOST_BASEADDR; ((mmc_card_t *)card)->host->hostController.sourceClock_Hz = BOARD_USDHC1ClockConfiguration(); ((mmc_card_t *)card)->host->tuningType = BOARD_SDMMC_MMC_TUNING_TYPE; ((mmc_card_t *)card)->usrParam.ioStrength = NULL; ((mmc_card_t *)card)->usrParam.maxFreq = BOARD_SDMMC_MMC_HOST_SUPPORT_HS200_FREQ; ((mmc_card_t *)card)->usrParam.capability |= BOARD_SDMMC_MMC_SUPPORT_8_BIT_DATA_WIDTH; ((mmc_card_t *)card)->hostVoltageWindowVCC = BOARD_SDMMC_MMC_VCC_SUPPLY; ((mmc_card_t *)card)->hostVoltageWindowVCCQ = BOARD_SDMMC_MMC_VCCQ_SUPPLY; NVIC_SetPriority(BOARD_SDMMC_MMC_HOST_IRQ, hostIRQPriority); #if __CORTEX_M == 7 BOARD_USDHC_Errata(); #endif } #endif