/*
 * Copyright (c) 2016, Freescale Semiconductor, Inc.
 * Copyright 2016-2018 NXP
 * All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include "board.h"
#include <stdint.h>
#include "clock_config.h"
#include "fsl_common.h"
#include "fsl_debug_console.h"
#include "fsl_emc.h"
#if defined(SDK_I2C_BASED_COMPONENT_USED) && SDK_I2C_BASED_COMPONENT_USED
#include "fsl_i2c.h"
#endif /* SDK_I2C_BASED_COMPONENT_USED */

/*******************************************************************************
 * Definitions
 ******************************************************************************/
/* The SDRAM timing. */
#define SDRAM_REFRESHPERIOD_NS (64 * 1000000 / 4096) /* 4096 rows/ 64ms */
#define SDRAM_TRP_NS (18u)
#define SDRAM_TRAS_NS (42u)
#define SDRAM_TSREX_NS (67u)
#define SDRAM_TAPR_NS (18u)
#define SDRAM_TWRDELT_NS (6u)
#define SDRAM_TRC_NS (60u)
#define SDRAM_RFC_NS (60u)
#define SDRAM_XSR_NS (67u)
#define SDRAM_RRD_NS (12u)
#define SDRAM_MRD_NCLK (2u)
#define SDRAM_RAS_NCLK (2u)
#define SDRAM_MODEREG_VALUE (0x23u)
#define SDRAM_DEV_MEMORYMAP (0x09u) /* 128Mbits (8M*16, 4banks, 12 rows, 9 columns)*/

/*******************************************************************************
 * Variables
 ******************************************************************************/

/* Clock rate on the CLKIN pin */
const uint32_t ExtClockIn = BOARD_EXTCLKINRATE;
/*******************************************************************************
 * Code
 ******************************************************************************/
/* Initialize debug console. */
status_t BOARD_InitDebugConsole(void)
{
#if ((SDK_DEBUGCONSOLE == DEBUGCONSOLE_REDIRECT_TO_SDK) || defined(SDK_DEBUGCONSOLE_UART))
    status_t result;
    /* attach 12 MHz clock to FLEXCOMM0 (debug console) */
    CLOCK_AttachClk(BOARD_DEBUG_UART_CLK_ATTACH);
    RESET_PeripheralReset(BOARD_DEBUG_UART_RST);
    result = DbgConsole_Init(BOARD_DEBUG_UART_INSTANCE, BOARD_DEBUG_UART_BAUDRATE, BOARD_DEBUG_UART_TYPE,
                             BOARD_DEBUG_UART_CLK_FREQ);
    assert(kStatus_Success == result);
    return result;
#else
    return kStatus_Success;
#endif
}

/* Initialize the external memory. */
void BOARD_InitSDRAM(void)
{
    uint32_t emcFreq;
    emc_basic_config_t basicConfig;
    emc_dynamic_timing_config_t dynTiming;
    emc_dynamic_chip_config_t dynChipConfig;

    emcFreq = CLOCK_GetEmcClkFreq();
    assert(emcFreq != 0); /* Check the clock of emc */
    /* Basic configuration. */
    basicConfig.endian   = kEMC_LittleEndian;
    basicConfig.fbClkSrc = kEMC_IntloopbackEmcclk;
    /* EMC Clock = CPU FREQ/2 here can fit CPU freq from 12M ~ 180M.
     * If you change the divide to 0 and EMC clock is larger than 100M
     * please take refer to emc.dox to adjust EMC clock delay.
     */
    basicConfig.emcClkDiv = 1;
    /* Dynamic memory timing configuration. */
    dynTiming.readConfig            = kEMC_Cmddelay;
    dynTiming.refreshPeriod_Nanosec = SDRAM_REFRESHPERIOD_NS;
    dynTiming.tRp_Ns                = SDRAM_TRP_NS;
    dynTiming.tRas_Ns               = SDRAM_TRAS_NS;
    dynTiming.tSrex_Ns              = SDRAM_TSREX_NS;
    dynTiming.tApr_Ns               = SDRAM_TAPR_NS;
    dynTiming.tWr_Ns                = (1000000000 / emcFreq + SDRAM_TWRDELT_NS); /* one clk + 6ns */
    dynTiming.tDal_Ns               = dynTiming.tWr_Ns + dynTiming.tRp_Ns;
    dynTiming.tRc_Ns                = SDRAM_TRC_NS;
    dynTiming.tRfc_Ns               = SDRAM_RFC_NS;
    dynTiming.tXsr_Ns               = SDRAM_XSR_NS;
    dynTiming.tRrd_Ns               = SDRAM_RRD_NS;
    dynTiming.tMrd_Nclk             = SDRAM_MRD_NCLK;
    /* Dynamic memory chip specific configuration: Chip 0 - MTL48LC8M16A2B4-6A */
    dynChipConfig.chipIndex       = 0;
    dynChipConfig.dynamicDevice   = kEMC_Sdram;
    dynChipConfig.rAS_Nclk        = SDRAM_RAS_NCLK;
    dynChipConfig.sdramModeReg    = SDRAM_MODEREG_VALUE;
    dynChipConfig.sdramExtModeReg = 0; /* it has no use for normal sdram */
    dynChipConfig.devAddrMap      = SDRAM_DEV_MEMORYMAP;
    /* EMC Basic configuration. */
    EMC_Init(EMC, &basicConfig);
    /* EMC Dynamc memory configuration. */
    EMC_DynamicMemInit(EMC, &dynTiming, &dynChipConfig, 1);
}
#if defined(SDK_I2C_BASED_COMPONENT_USED) && SDK_I2C_BASED_COMPONENT_USED
void BOARD_I2C_Init(I2C_Type *base, uint32_t clkSrc_Hz)
{
    i2c_master_config_t i2cConfig = {0};

    I2C_MasterGetDefaultConfig(&i2cConfig);
    I2C_MasterInit(base, &i2cConfig, clkSrc_Hz);
}

status_t BOARD_I2C_Send(I2C_Type *base,
                        uint8_t deviceAddress,
                        uint32_t subAddress,
                        uint8_t subaddressSize,
                        uint8_t *txBuff,
                        uint8_t txBuffSize)
{
    i2c_master_transfer_t masterXfer;

    /* Prepare transfer structure. */
    masterXfer.slaveAddress   = deviceAddress;
    masterXfer.direction      = kI2C_Write;
    masterXfer.subaddress     = subAddress;
    masterXfer.subaddressSize = subaddressSize;
    masterXfer.data           = txBuff;
    masterXfer.dataSize       = txBuffSize;
    masterXfer.flags          = kI2C_TransferDefaultFlag;

    return I2C_MasterTransferBlocking(base, &masterXfer);
}

status_t BOARD_I2C_Receive(I2C_Type *base,
                           uint8_t deviceAddress,
                           uint32_t subAddress,
                           uint8_t subaddressSize,
                           uint8_t *rxBuff,
                           uint8_t rxBuffSize)
{
    i2c_master_transfer_t masterXfer;

    /* Prepare transfer structure. */
    masterXfer.slaveAddress   = deviceAddress;
    masterXfer.subaddress     = subAddress;
    masterXfer.subaddressSize = subaddressSize;
    masterXfer.data           = rxBuff;
    masterXfer.dataSize       = rxBuffSize;
    masterXfer.direction      = kI2C_Read;
    masterXfer.flags          = kI2C_TransferDefaultFlag;

    return I2C_MasterTransferBlocking(base, &masterXfer);
}

void BOARD_Accel_I2C_Init(void)
{
    BOARD_I2C_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_I2C_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_I2C_Receive(BOARD_ACCEL_I2C_BASEADDR, deviceAddress, subAddress, subaddressSize, rxBuff, rxBuffSize);
}

void BOARD_Codec_I2C_Init(void)
{
    BOARD_I2C_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_I2C_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_I2C_Receive(BOARD_CODEC_I2C_BASEADDR, deviceAddress, subAddress, subAddressSize, rxBuff, rxBuffSize);
}
#endif /* SDK_I2C_BASED_COMPONENT_USED */
