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vos/ambiq-hal-sys/ambiq-sparkfun-sdk/devices/am_devices_mspi_s25fs064s.c

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2022-10-24 06:45:43 +00:00
//*****************************************************************************
//
//! @file am_devices_mspi_s25fs064s.c
//!
//! @brief General Multibit SPI S25fs064s driver.
//
//*****************************************************************************
//*****************************************************************************
//
// Copyright (c) 2020, Ambiq Micro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
//
// Third party software included in this distribution is subject to the
// additional license terms as defined in the /docs/licenses directory.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 2.4.2 of the AmbiqSuite Development Package.
//
//*****************************************************************************
#include "am_mcu_apollo.h"
#include "am_devices_mspi_s25fs064s.h"
#include "am_util_stdio.h"
#include "am_bsp.h"
#include "am_util_delay.h"
//*****************************************************************************
//
// Global variables.
//
//*****************************************************************************
#define AM_DEVICES_MSPI_S25FS064S_TIMEOUT 1000000
#define AM_DEVICES_MSPI_S25FS064S_ERASE_TIMEOUT 1000000
typedef struct
{
uint32_t ui32Module;
void *pMspiHandle;
am_hal_mspi_dev_config_t stSetting;
bool bOccupied;
} am_devices_mspi_s25fs064s_t;
am_devices_mspi_s25fs064s_t gAmS25fs064s[AM_DEVICES_MSPI_S25FS064S_MAX_DEVICE_NUM];
am_hal_mspi_dev_config_t MSPI_S25fs064s_Serial_CE0_MSPIConfig =
{
.ui8TurnAround = 3,
.eAddrCfg = AM_HAL_MSPI_ADDR_3_BYTE,
.eInstrCfg = AM_HAL_MSPI_INSTR_1_BYTE,
.ui8ReadInstr = AM_DEVICES_MSPI_S25FS064S_FAST_READ,
.ui8WriteInstr = AM_DEVICES_MSPI_S25FS064S_PAGE_PROGRAM,
.eDeviceConfig = AM_HAL_MSPI_FLASH_SERIAL_CE0,
.eSpiMode = AM_HAL_MSPI_SPI_MODE_0,
.eClockFreq = AM_HAL_MSPI_CLK_24MHZ,
.bSendAddr = true,
.bSendInstr = true,
.bSeparateIO = true,
.bTurnaround = true,
#if defined(AM_PART_APOLLO3P)
.ui8WriteLatency = 0,
.bEnWriteLatency = false,
.bEmulateDDR = false,
.ui16DMATimeLimit = 0,
.eDMABoundary = AM_HAL_MSPI_BOUNDARY_NONE,
#endif
.ui32TCBSize = 0,
.pTCB = NULL,
.scramblingStartAddr = 0,
.scramblingEndAddr = 0,
};
am_hal_mspi_dev_config_t MSPI_S25fs064s_Serial_CE1_MSPIConfig =
{
.eSpiMode = AM_HAL_MSPI_SPI_MODE_0,
.eClockFreq = AM_HAL_MSPI_CLK_24MHZ,
.ui8TurnAround = 3,
.eAddrCfg = AM_HAL_MSPI_ADDR_3_BYTE,
.eInstrCfg = AM_HAL_MSPI_INSTR_1_BYTE,
.eDeviceConfig = AM_HAL_MSPI_FLASH_SERIAL_CE1,
.bSeparateIO = true,
.bSendInstr = true,
.bSendAddr = true,
.bTurnaround = true,
.ui8ReadInstr = AM_DEVICES_MSPI_S25FS064S_FAST_READ,
.ui8WriteInstr = AM_DEVICES_MSPI_S25FS064S_PAGE_PROGRAM,
#if defined(AM_PART_APOLLO3P)
.ui8WriteLatency = 0,
.bEnWriteLatency = false,
.bEmulateDDR = false,
.ui16DMATimeLimit = 0,
.eDMABoundary = AM_HAL_MSPI_BOUNDARY_NONE,
#endif
.ui32TCBSize = 0,
.pTCB = NULL,
.scramblingStartAddr = 0,
.scramblingEndAddr = 0,
};
am_hal_mspi_dev_config_t MSPI_S25fs064s_Dual_CE0_MSPIConfig =
{
.eSpiMode = AM_HAL_MSPI_SPI_MODE_0,
.eClockFreq = AM_HAL_MSPI_CLK_24MHZ,
.ui8TurnAround = 3,
.eAddrCfg = AM_HAL_MSPI_ADDR_3_BYTE,
.eInstrCfg = AM_HAL_MSPI_INSTR_1_BYTE,
.eDeviceConfig = AM_HAL_MSPI_FLASH_DUAL_CE0,
.bSeparateIO = false,
.bSendInstr = true,
.bSendAddr = true,
.bTurnaround = true,
.ui8ReadInstr = AM_DEVICES_MSPI_S25FS064S_DUAL_READ,
.ui8WriteInstr = AM_DEVICES_MSPI_S25FS064S_PAGE_PROGRAM,
#if defined(AM_PART_APOLLO3P)
.ui8WriteLatency = 0,
.bEnWriteLatency = false,
.bEmulateDDR = false,
.ui16DMATimeLimit = 0,
.eDMABoundary = AM_HAL_MSPI_BOUNDARY_NONE,
#endif
.ui32TCBSize = 0,
.pTCB = NULL,
.scramblingStartAddr = 0,
.scramblingEndAddr = 0,
};
am_hal_mspi_dev_config_t MSPI_S25fs064s_Dual_CE1_MSPIConfig =
{
.eSpiMode = AM_HAL_MSPI_SPI_MODE_0,
.eClockFreq = AM_HAL_MSPI_CLK_24MHZ,
.ui8TurnAround = 3,
.eAddrCfg = AM_HAL_MSPI_ADDR_3_BYTE,
.eInstrCfg = AM_HAL_MSPI_INSTR_1_BYTE,
.eDeviceConfig = AM_HAL_MSPI_FLASH_DUAL_CE1,
.bSeparateIO = false,
.bSendInstr = true,
.bSendAddr = true,
.bTurnaround = true,
.ui8ReadInstr = AM_DEVICES_MSPI_S25FS064S_DUAL_READ,
.ui8WriteInstr = AM_DEVICES_MSPI_S25FS064S_PAGE_PROGRAM,
#if defined(AM_PART_APOLLO3P)
.ui8WriteLatency = 0,
.bEnWriteLatency = false,
.bEmulateDDR = false,
.ui16DMATimeLimit = 0,
.eDMABoundary = AM_HAL_MSPI_BOUNDARY_NONE,
#endif
.ui32TCBSize = 0,
.pTCB = NULL,
.scramblingStartAddr = 0,
.scramblingEndAddr = 0,
};
am_hal_mspi_dev_config_t MSPI_S25fs064s_Quad_CE0_MSPIConfig =
{
.ui8TurnAround = 3,
.eAddrCfg = AM_HAL_MSPI_ADDR_3_BYTE,
.eInstrCfg = AM_HAL_MSPI_INSTR_1_BYTE,
.ui8ReadInstr = AM_DEVICES_MSPI_S25FS064S_QUAD_IO_READ,
.ui8WriteInstr = AM_DEVICES_MSPI_S25FS064S_PAGE_PROGRAM,
.eDeviceConfig = AM_HAL_MSPI_FLASH_QUAD_CE0,
.eSpiMode = AM_HAL_MSPI_SPI_MODE_0,
.eClockFreq = AM_HAL_MSPI_CLK_24MHZ,
.bSendAddr = true,
.bSendInstr = true,
.bSeparateIO = false,
.bTurnaround = true,
#if defined(AM_PART_APOLLO3P)
.ui8WriteLatency = 0,
.bEnWriteLatency = false,
.bEmulateDDR = false,
.ui16DMATimeLimit = 0,
.eDMABoundary = AM_HAL_MSPI_BOUNDARY_NONE,
#endif
.ui32TCBSize = 0,
.pTCB = NULL,
.scramblingStartAddr = 0,
.scramblingEndAddr = 0,
};
am_hal_mspi_dev_config_t MSPI_S25fs064s_Quad_CE1_MSPIConfig =
{
.eSpiMode = AM_HAL_MSPI_SPI_MODE_0,
.eClockFreq = AM_HAL_MSPI_CLK_24MHZ,
.ui8TurnAround = 5,
.eAddrCfg = AM_HAL_MSPI_ADDR_3_BYTE,
.eInstrCfg = AM_HAL_MSPI_INSTR_1_BYTE,
.eDeviceConfig = AM_HAL_MSPI_FLASH_QUAD_CE1,
.bSeparateIO = false,
.bSendInstr = true,
.bSendAddr = true,
.bTurnaround = true,
.ui8ReadInstr = AM_DEVICES_MSPI_S25FS064S_QUAD_IO_READ,
.ui8WriteInstr = AM_DEVICES_MSPI_S25FS064S_PAGE_PROGRAM,
#if defined(AM_PART_APOLLO3P)
.ui8WriteLatency = 0,
.bEnWriteLatency = false,
.bEmulateDDR = false,
.ui16DMATimeLimit = 0,
.eDMABoundary = AM_HAL_MSPI_BOUNDARY_NONE,
#endif
.ui32TCBSize = 0,
.pTCB = NULL,
.scramblingStartAddr = 0,
.scramblingEndAddr = 0,
};
//! MSPI interrupts.
static const IRQn_Type mspi_s25fs064s_interrupts[] =
{
MSPI0_IRQn,
#if defined(AM_PART_APOLLO3P)
MSPI1_IRQn,
MSPI2_IRQn,
#endif
};
struct
{
am_hal_mspi_device_e eHalDeviceEnum;
am_hal_mspi_dev_config_t *psDevConfig;
}g_MSPIS25fs064s_DevConfig[] =
{
{AM_HAL_MSPI_FLASH_SERIAL_CE0, &MSPI_S25fs064s_Serial_CE0_MSPIConfig},
{AM_HAL_MSPI_FLASH_SERIAL_CE1, &MSPI_S25fs064s_Serial_CE1_MSPIConfig},
{AM_HAL_MSPI_FLASH_DUAL_CE0, &MSPI_S25fs064s_Dual_CE0_MSPIConfig},
{AM_HAL_MSPI_FLASH_DUAL_CE1, &MSPI_S25fs064s_Dual_CE1_MSPIConfig},
{AM_HAL_MSPI_FLASH_QUAD_CE0, &MSPI_S25fs064s_Quad_CE0_MSPIConfig},
{AM_HAL_MSPI_FLASH_QUAD_CE1, &MSPI_S25fs064s_Quad_CE1_MSPIConfig},
};
//
// Forward declarations.
//
static uint32_t am_devices_mspi_s25fsp64s_command_write(void *pHandle,
uint8_t ui8Instr,
bool bSendAddr,
uint32_t ui32Addr,
uint32_t *pData,
uint32_t ui32NumBytes);
static uint32_t am_devices_mspi_s25fsp64s_command_read(void *pHandle,
uint8_t ui8Instr,
bool bSendAddr,
uint32_t ui32Addr,
uint32_t *pData,
uint32_t ui32NumBytes);
//*****************************************************************************
//
// Cypress S25FS064S Support
//
//*****************************************************************************
//
// Device specific initialization function.
//
static
uint32_t am_device_init_flash(void *pHandle)
{
uint32_t ui32Status = AM_HAL_STATUS_SUCCESS;
uint8_t ui8Value = 0;
uint32_t ui32PIOBuffer[32] = {0};
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
//
// Configure the Cypress S25FS064S Configuration Register 1 Volatile based on the MSPI configuration.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_ENABLE, false, 0, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
#if 0
switch (psMSPISettings->eDeviceConfig)
{
case AM_HAL_MSPI_FLASH_SERIAL_CE0:
case AM_HAL_MSPI_FLASH_SERIAL_CE1:
ui8Value = AM_DEVICES_MSPI_S25FS064S_SERIAL_MODE;
break;
case AM_HAL_MSPI_FLASH_DUAL_CE0:
case AM_HAL_MSPI_FLASH_DUAL_CE1:
ui8Value = AM_DEVICES_MSPI_S25FS064S_DUAL_MODE;
break;
case AM_HAL_MSPI_FLASH_QUAD_CE0:
case AM_HAL_MSPI_FLASH_QUAD_CE1:
case AM_HAL_MSPI_FLASH_QUADPAIRED:
case AM_HAL_MSPI_FLASH_QUADPAIRED_SERIAL:
ui8Value = AM_DEVICES_MSPI_S25FS064S_QUAD_MODE;
break;
case AM_HAL_MSPI_FLASH_OCTAL_CE0:
case AM_HAL_MSPI_FLASH_OCTAL_CE1:
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
//break;
}
#endif
ui32PIOBuffer[0] = AM_DEVICES_MSPI_S25FS064S_CR1V | AM_DEVICES_MSPI_S25FS064S_CR1V_VALUE(AM_DEVICES_MSPI_S25FS064S_SERIAL_MODE);
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_ANY_REG, false, 0, ui32PIOBuffer, 4);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Configure the Cypress S25FS064S Configuration Register 3 Volatile based on the MSPI configuration.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_ENABLE, false, 0, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
ui32PIOBuffer[0] = AM_DEVICES_MSPI_S25FS064S_CR3V | AM_DEVICES_MSPI_S25FS064S_CR3V_VALUE;
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_ANY_REG, false, 0, ui32PIOBuffer, 4);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Configure the Cypress S25FS064S Configuration Register 4 Volatile based on the MSPI configuration.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_ENABLE, false, 0, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
ui32PIOBuffer[0] = AM_DEVICES_MSPI_S25FS064S_CR4V | AM_DEVICES_MSPI_S25FS064S_CR4V_VALUE;
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_ANY_REG, false, 0, ui32PIOBuffer, 4);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Configure the Cypress S25FS064S Configuration Register 2 Volatile based on the MSPI configuration.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_ENABLE, false, 0, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Configure the Addressing mode.
//
switch (pFlash->stSetting.eAddrCfg)
{
case AM_HAL_MSPI_ADDR_1_BYTE:
case AM_HAL_MSPI_ADDR_2_BYTE:
case AM_HAL_MSPI_ADDR_3_BYTE:
ui8Value = 0; // Use the Cypress MSPI Flash in 3-byte mode.
break;
case AM_HAL_MSPI_ADDR_4_BYTE:
ui8Value = 0x80; // Use the Cypress MSPI Flash in 4-byte mode.
break;
}
//
// Configure the read latency turnaround value.
//
switch (pFlash->stSetting.eXipMixedMode)
{
case AM_HAL_MSPI_XIPMIXED_NORMAL:
case AM_HAL_MSPI_XIPMIXED_D2:
case AM_HAL_MSPI_XIPMIXED_D4:
ui8Value |= pFlash->stSetting.ui8TurnAround; // Read latency
break;
case AM_HAL_MSPI_XIPMIXED_AD2:
ui8Value |= pFlash->stSetting.ui8TurnAround - AM_DEVICES_MSPI_S25FS064S_ADDR_DUAL_EXT_DELAY; // Read latency + Mode Bits
break;
case AM_HAL_MSPI_XIPMIXED_AD4:
ui8Value |= pFlash->stSetting.ui8TurnAround - AM_DEVICES_MSPI_S25FS064S_ADDR_QUAD_EXT_DELAY; // Read latency + Mode Bits
break;
}
switch (pFlash->stSetting.eDeviceConfig)
{
case AM_HAL_MSPI_FLASH_SERIAL_CE0:
case AM_HAL_MSPI_FLASH_SERIAL_CE1:
case AM_HAL_MSPI_FLASH_DUAL_CE0:
case AM_HAL_MSPI_FLASH_DUAL_CE1:
break;
case AM_HAL_MSPI_FLASH_QUAD_CE0:
case AM_HAL_MSPI_FLASH_QUAD_CE1:
ui8Value |= 0x40;
break;
case AM_HAL_MSPI_FLASH_OCTAL_CE0:
case AM_HAL_MSPI_FLASH_OCTAL_CE1:
case AM_HAL_MSPI_FLASH_QUADPAIRED:
case AM_HAL_MSPI_FLASH_QUADPAIRED_SERIAL:
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
ui32PIOBuffer[0] = AM_DEVICES_MSPI_S25FS064S_CR2V | AM_DEVICES_MSPI_S25FS064S_CR2V_VALUE(ui8Value);
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_ANY_REG, false, 0, ui32PIOBuffer, 4);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
//
// Device specific de-initialization function.
//
static
uint32_t am_device_deinit_flash(void *pHandle)
{
uint32_t ui32Status = AM_HAL_STATUS_SUCCESS;
uint32_t ui32PIOBuffer[32] = {0};
//
// Configure the Cypress S25FS064S Configuration Register 1 Volatile back to serial mode.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_ENABLE, false, 0, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
ui32PIOBuffer[0] = AM_DEVICES_MSPI_S25FS064S_CR1V | AM_DEVICES_MSPI_S25FS064S_CR1V_VALUE(AM_DEVICES_MSPI_S25FS064S_SERIAL_MODE);
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_ANY_REG, false, 0, ui32PIOBuffer, 4);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
else
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
}
am_devices_mspi_s25fs064s_config_t am_devices_mspi_s25fs064s_mode_switch(void *pHandle,
am_devices_mspi_s25fs064s_config_t *psMSPISettings)
{
uint32_t ui32Status = AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
am_devices_mspi_s25fs064s_config_t MSPISettingsBak;
am_hal_mspi_dev_config_t *psConfig = NULL;
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
for ( uint32_t i = 0; i < (sizeof(g_MSPIS25fs064s_DevConfig) / sizeof(g_MSPIS25fs064s_DevConfig[0])); i++ )
{
if ( psMSPISettings->eDeviceConfig == g_MSPIS25fs064s_DevConfig[i].eHalDeviceEnum )
{
psConfig = g_MSPIS25fs064s_DevConfig[i].psDevConfig;
psConfig->eClockFreq = psMSPISettings->eClockFreq;
psConfig->pTCB = psMSPISettings->pNBTxnBuf;
psConfig->ui32TCBSize = psMSPISettings->ui32NBTxnBufLength;
psConfig->scramblingStartAddr = psMSPISettings->ui32ScramblingStartAddr;
psConfig->scramblingEndAddr = psMSPISettings->ui32ScramblingEndAddr;
psConfig->eXipMixedMode = psMSPISettings->eMixedMode;
break;
}
}
MSPISettingsBak.eClockFreq = pFlash->stSetting.eClockFreq;
MSPISettingsBak.eDeviceConfig = pFlash->stSetting.eDeviceConfig;
MSPISettingsBak.eMixedMode = pFlash->stSetting.eXipMixedMode;
MSPISettingsBak.pNBTxnBuf = pFlash->stSetting.pTCB;
MSPISettingsBak.ui32NBTxnBufLength = pFlash->stSetting.ui32TCBSize;
MSPISettingsBak.ui32ScramblingEndAddr = pFlash->stSetting.scramblingEndAddr;
MSPISettingsBak.ui32ScramblingStartAddr = pFlash->stSetting.scramblingStartAddr;
pFlash->stSetting = *psConfig;
ui32Status = am_hal_mspi_disable(pFlash->pMspiHandle);
ui32Status |= am_hal_mspi_device_configure(pFlash->pMspiHandle, &pFlash->stSetting);
ui32Status |= am_hal_mspi_enable(pFlash->pMspiHandle);
am_bsp_mspi_pins_enable(pFlash->ui32Module, pFlash->stSetting.eDeviceConfig);
ui32Status |= am_hal_mspi_interrupt_clear(pFlash->pMspiHandle, AM_HAL_MSPI_INT_CQUPD | AM_HAL_MSPI_INT_ERR );
ui32Status |= am_hal_mspi_interrupt_enable(pFlash->pMspiHandle, AM_HAL_MSPI_INT_CQUPD | AM_HAL_MSPI_INT_ERR );
NVIC_EnableIRQ(mspi_s25fs064s_interrupts[pFlash->ui32Module]);
return MSPISettingsBak;
}
#if defined (MSPI_XIPMIXED)
static
am_hal_mspi_dev_config_t am_devices_mspi_s25fs064s_mode_switch_static(void *pHandle,
am_hal_mspi_dev_config_t *pMSPISettings)
{
uint32_t ui32Status = AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
am_hal_mspi_dev_config_t MSPISettingsBak;
if ( pMSPISettings )
{
MSPISettingsBak = pFlash->stSetting;
pFlash->stSetting = *pMSPISettings;
ui32Status = am_hal_mspi_disable(pFlash->pMspiHandle);
ui32Status |= am_hal_mspi_device_configure(pFlash->pMspiHandle, &pFlash->stSetting);
ui32Status |= am_hal_mspi_enable(pFlash->pMspiHandle);
am_bsp_mspi_pins_enable(pFlash->ui32Module, pFlash->stSetting.eDeviceConfig);
ui32Status |= am_hal_mspi_interrupt_clear(pFlash->pMspiHandle, AM_HAL_MSPI_INT_CQUPD | AM_HAL_MSPI_INT_ERR );
ui32Status |= am_hal_mspi_interrupt_enable(pFlash->pMspiHandle, AM_HAL_MSPI_INT_CQUPD | AM_HAL_MSPI_INT_ERR );
NVIC_EnableIRQ(mspi_s25fs064s_interrupts[pFlash->ui32Module]);
}
return MSPISettingsBak;
}
#endif
//*****************************************************************************
//
// Generic Command Write function.
//
//*****************************************************************************
static
uint32_t am_devices_mspi_s25fsp64s_command_write(void *pHandle, uint8_t ui8Instr, bool bSendAddr,
uint32_t ui32Addr, uint32_t *pData,
uint32_t ui32NumBytes)
{
uint32_t ui32Status;
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
am_hal_mspi_pio_transfer_t stMSPIFlashPIOTransaction = {0};
// Create the individual write transaction.
stMSPIFlashPIOTransaction.ui32NumBytes = ui32NumBytes;
stMSPIFlashPIOTransaction.eDirection = AM_HAL_MSPI_TX;
stMSPIFlashPIOTransaction.bSendAddr = bSendAddr;
stMSPIFlashPIOTransaction.ui32DeviceAddr = ui32Addr;
stMSPIFlashPIOTransaction.bSendInstr = true;
stMSPIFlashPIOTransaction.ui16DeviceInstr = ui8Instr;
stMSPIFlashPIOTransaction.bTurnaround = false;
#if 0 // A3DS-25 Deprecate MSPI CONT
stMSPIFlashPIOTransaction.bContinue = false;
#endif // A3DS-25
stMSPIFlashPIOTransaction.bQuadCmd = false;
stMSPIFlashPIOTransaction.pui32Buffer = pData;
#if defined (MSPI_XIPMIXED)
am_hal_mspi_dev_config_t mode = am_devices_mspi_s25fs064s_mode_switch_static(pHandle, &MSPI_S25fs064s_Serial_CE0_MSPIConfig);
#endif
// Execute the transction over MSPI.
ui32Status = am_hal_mspi_blocking_transfer(pFlash->pMspiHandle, &stMSPIFlashPIOTransaction,
AM_DEVICES_MSPI_S25FS064S_TIMEOUT);
#if defined (MSPI_XIPMIXED)
am_devices_mspi_s25fs064s_mode_switch_static(pHandle, &mode);
#endif
return ui32Status;
}
//*****************************************************************************
//
// Generic Command Read function.
//
//*****************************************************************************
static
uint32_t am_devices_mspi_s25fsp64s_command_read(void *pHandle, uint8_t ui8Instr, bool bSendAddr,
uint32_t ui32Addr, uint32_t *pData,
uint32_t ui32NumBytes)
{
uint32_t ui32Status;
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
am_hal_mspi_pio_transfer_t stMSPIFlashPIOTransaction = {0};
// Create the individual write transaction.
stMSPIFlashPIOTransaction.eDirection = AM_HAL_MSPI_RX;
stMSPIFlashPIOTransaction.bSendAddr = bSendAddr;
stMSPIFlashPIOTransaction.ui32DeviceAddr = ui32Addr;
stMSPIFlashPIOTransaction.bSendInstr = true;
stMSPIFlashPIOTransaction.ui16DeviceInstr = ui8Instr;
stMSPIFlashPIOTransaction.bTurnaround = false;
#if 0 // A3DS-25 Deprecate MSPI CONT
stMSPIFlashPIOTransaction.bContinue = false;
#endif // A3DS-25
stMSPIFlashPIOTransaction.ui32NumBytes = ui32NumBytes;
stMSPIFlashPIOTransaction.bQuadCmd = false;
stMSPIFlashPIOTransaction.pui32Buffer = pData;
#if defined (MSPI_XIPMIXED)
am_hal_mspi_dev_config_t mode = am_devices_mspi_s25fs064s_mode_switch_static(pHandle, &MSPI_S25fs064s_Serial_CE0_MSPIConfig);
#endif
// Execute the transction over MSPI.
ui32Status = am_hal_mspi_blocking_transfer(pFlash->pMspiHandle, &stMSPIFlashPIOTransaction,
AM_DEVICES_MSPI_S25FS064S_TIMEOUT);
#if defined (MSPI_XIPMIXED)
am_devices_mspi_s25fs064s_mode_switch_static(pHandle, &mode);
#endif
return ui32Status;
}
static
void pfnMSPI_S25FS064S_Callback(void *pCallbackCtxt, uint32_t status)
{
// Set the DMA complete flag.
*(volatile bool *)pCallbackCtxt = true;
}
//*****************************************************************************
//
//! @brief Initialize the mspi_s25fs064s driver.
//!
//! @param psIOMSettings - IOM device structure describing the target spiflash.
//! @param pfnWriteFunc - Function to use for spi writes.
//! @param pfnReadFunc - Function to use for spi reads.
//!
//! This function should be called before any other am_devices_spiflash
//! functions. It is used to set tell the other functions how to communicate
//! with the external spiflash hardware.
//!
//! The \e pfnWriteFunc and \e pfnReadFunc variables may be used to provide
//! alternate implementations of SPI write and read functions respectively. If
//! they are left set to 0, the default functions am_hal_iom_spi_write() and
//! am_hal_iom_spi_read() will be used.
//!
//! @return None.
//
//*****************************************************************************
uint32_t
am_devices_mspi_s25fs064s_init(uint32_t ui32Module, am_devices_mspi_s25fs064s_config_t *psMSPISettings, void **ppHandle, void **ppMspiHandle)
{
uint32_t ui32Status;
am_hal_mspi_dev_config_t *psConfig = g_MSPIS25fs064s_DevConfig[0].psDevConfig;
void *pMspiHandle;
uint32_t ui32Index = 0;
if ((ui32Module > AM_REG_MSPI_NUM_MODULES) || (psMSPISettings == NULL))
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
// Allocate a vacant device handle
for ( ui32Index = 0; ui32Index < AM_DEVICES_MSPI_S25FS064S_MAX_DEVICE_NUM; ui32Index++ )
{
if ( gAmS25fs064s[ui32Index].bOccupied == false )
{
break;
}
}
if ( ui32Index == AM_DEVICES_MSPI_S25FS064S_MAX_DEVICE_NUM )
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
for ( uint32_t i = 0; i < (sizeof(g_MSPIS25fs064s_DevConfig) / sizeof(g_MSPIS25fs064s_DevConfig[0])); i++ )
{
if ( psMSPISettings->eDeviceConfig == g_MSPIS25fs064s_DevConfig[i].eHalDeviceEnum )
{
psConfig = g_MSPIS25fs064s_DevConfig[i].psDevConfig;
psConfig->eClockFreq = psMSPISettings->eClockFreq;
psConfig->pTCB = psMSPISettings->pNBTxnBuf;
psConfig->ui32TCBSize = psMSPISettings->ui32NBTxnBufLength;
psConfig->scramblingStartAddr = psMSPISettings->ui32ScramblingStartAddr;
psConfig->scramblingEndAddr = psMSPISettings->ui32ScramblingEndAddr;
psConfig->eXipMixedMode = psMSPISettings->eMixedMode;
break;
}
}
//
// Enable fault detection.
//
#if AM_APOLLO3_MCUCTRL
am_hal_mcuctrl_control(AM_HAL_MCUCTRL_CONTROL_FAULT_CAPTURE_ENABLE, 0);
#else // AM_APOLLO3_MCUCTRL
am_hal_mcuctrl_fault_capture_enable();
#endif // AM_APOLLO3_MCUCTRL
//
// Configure the MSPI for Serial or Quad-Paired Serial operation during initialization.
//
switch (psConfig->eDeviceConfig)
{
case AM_HAL_MSPI_FLASH_SERIAL_CE0:
case AM_HAL_MSPI_FLASH_DUAL_CE0:
case AM_HAL_MSPI_FLASH_QUAD_CE0:
gAmS25fs064s[ui32Index].stSetting = MSPI_S25fs064s_Serial_CE0_MSPIConfig;
if (AM_HAL_STATUS_SUCCESS != am_hal_mspi_initialize(ui32Module, &pMspiHandle))
{
am_util_stdio_printf("Error - Failed to initialize MSPI.\n");
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
if (AM_HAL_STATUS_SUCCESS != am_hal_mspi_power_control(pMspiHandle, AM_HAL_SYSCTRL_WAKE, false))
{
am_util_stdio_printf("Error - Failed to power on MSPI.\n");
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
if (AM_HAL_STATUS_SUCCESS != am_hal_mspi_device_configure(pMspiHandle, &MSPI_S25fs064s_Serial_CE0_MSPIConfig))
{
am_util_stdio_printf("Error - Failed to configure MSPI.\n");
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
if (AM_HAL_STATUS_SUCCESS != am_hal_mspi_enable(pMspiHandle))
{
am_util_stdio_printf("Error - Failed to enable MSPI.\n");
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
am_bsp_mspi_pins_enable(ui32Module, MSPI_S25fs064s_Serial_CE0_MSPIConfig.eDeviceConfig);
break;
case AM_HAL_MSPI_FLASH_SERIAL_CE1:
case AM_HAL_MSPI_FLASH_DUAL_CE1:
case AM_HAL_MSPI_FLASH_QUAD_CE1:
gAmS25fs064s[ui32Index].stSetting = MSPI_S25fs064s_Serial_CE1_MSPIConfig;
if (AM_HAL_STATUS_SUCCESS != am_hal_mspi_initialize(ui32Module, &pMspiHandle))
{
am_util_stdio_printf("Error - Failed to initialize MSPI.\n");
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
if (AM_HAL_STATUS_SUCCESS != am_hal_mspi_power_control(pMspiHandle, AM_HAL_SYSCTRL_WAKE, false))
{
am_util_stdio_printf("Error - Failed to power on MSPI.\n");
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
if (AM_HAL_STATUS_SUCCESS != am_hal_mspi_device_configure(pMspiHandle, &MSPI_S25fs064s_Serial_CE1_MSPIConfig))
{
am_util_stdio_printf("Error - Failed to configure MSPI.\n");
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
if (AM_HAL_STATUS_SUCCESS != am_hal_mspi_enable(pMspiHandle))
{
am_util_stdio_printf("Error - Failed to enable MSPI.\n");
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
am_bsp_mspi_pins_enable(ui32Module, MSPI_S25fs064s_Serial_CE1_MSPIConfig.eDeviceConfig);
break;
case AM_HAL_MSPI_FLASH_OCTAL_CE0:
case AM_HAL_MSPI_FLASH_OCTAL_CE1:
case AM_HAL_MSPI_FLASH_QUADPAIRED:
case AM_HAL_MSPI_FLASH_QUADPAIRED_SERIAL:
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
//break;
}
gAmS25fs064s[ui32Index].pMspiHandle = pMspiHandle;
gAmS25fs064s[ui32Index].ui32Module = ui32Module;
if (AM_HAL_STATUS_SUCCESS != am_devices_mspi_s25fs064s_reset((void*)&gAmS25fs064s[ui32Index]))
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Initialize the MSPI settings for the MSPI_S25FS064S.
//
gAmS25fs064s[ui32Index].stSetting = *psConfig;
//
// Device specific MSPI Flash initialization.
//
ui32Status = am_device_init_flash((void*)&gAmS25fs064s[ui32Index]);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
// Disable MSPI defore re-configuring it
ui32Status = am_hal_mspi_disable(pMspiHandle);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Re-Configure the MSPI for the requested operation mode.
//
ui32Status = am_hal_mspi_device_configure(pMspiHandle, psConfig);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
// Re-Enable MSPI
ui32Status = am_hal_mspi_enable(pMspiHandle);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Configure the MSPI pins.
//
am_bsp_mspi_pins_enable(ui32Module, psConfig->eDeviceConfig);
//
// Enable MSPI interrupts.
//
ui32Status = am_hal_mspi_interrupt_clear(pMspiHandle, AM_HAL_MSPI_INT_CQUPD | AM_HAL_MSPI_INT_ERR );
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
ui32Status = am_hal_mspi_interrupt_enable(pMspiHandle, AM_HAL_MSPI_INT_CQUPD | AM_HAL_MSPI_INT_ERR );
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Return the handle.
//
gAmS25fs064s[ui32Index].bOccupied = true;
*ppMspiHandle = pMspiHandle;
*ppHandle = (void *)&gAmS25fs064s[ui32Index];
//
// Return the status.
//
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
//*****************************************************************************
//
//! @brief De-Initialization the mspi_s25fs064s driver.
//!
//! @param psIOMSettings - IOM device structure describing the target spiflash.
//! @param pfnWriteFunc - Function to use for spi writes.
//! @param pfnReadFunc - Function to use for spi reads.
//!
//! This function should be called before any other am_devices_spiflash
//! functions. It is used to set tell the other functions how to communicate
//! with the external spiflash hardware.
//!
//! The \e pfnWriteFunc and \e pfnReadFunc variables may be used to provide
//! alternate implementations of SPI write and read functions respectively. If
//! they are left set to 0, the default functions am_hal_iom_spi_write() and
//! am_hal_iom_spi_read() will be used.
//!
//! @return None.
//
//*****************************************************************************
uint32_t
am_devices_mspi_s25fs064s_deinit(void *pHandle)
{
uint32_t ui32Status;
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
//
// Device specific MSPI Flash de-initialization.
//
ui32Status = am_device_deinit_flash(pHandle);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
if (AM_HAL_STATUS_SUCCESS != am_devices_mspi_s25fs064s_reset(pHandle))
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Disable and clear the interrupts to start with.
//
ui32Status = am_hal_mspi_interrupt_disable(pFlash->pMspiHandle, 0xFFFFFFFF);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
ui32Status = am_hal_mspi_interrupt_clear(pFlash->pMspiHandle, 0xFFFFFFFF);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Disable the MSPI instance.
//
ui32Status = am_hal_mspi_disable(pFlash->pMspiHandle);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
if (AM_HAL_STATUS_SUCCESS != am_hal_mspi_power_control(pFlash->pMspiHandle, AM_HAL_SYSCTRL_DEEPSLEEP, false))
{
am_util_stdio_printf("Error - Failed to power on MSPI.\n");
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Deinitialize the MSPI instance.
//
ui32Status = am_hal_mspi_deinitialize(pFlash->pMspiHandle);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
// Free this device handle
pFlash->bOccupied = false;
//
// Clear the Flash Caching.
//
#if AM_CMSIS_REGS
CACHECTRL->CACHECFG = 0;
#else // AM_CMSIS_REGS
AM_REG(CACHECTRL, CACHECFG) = 0;
#endif // AM_CMSIS_REGS
//
// Return the status.
//
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
//*****************************************************************************
//
//! @brief Reads the current status of the external s25fs064s
//!
//! @param ui32DeviceNumber - Device number of the external s25fs064s
//!
//! This function reads the device ID register of the external s25fs064s, and returns
//! the result as an 32-bit unsigned integer value.
//!
//! @return 32-bit status
//
//*****************************************************************************
uint32_t
am_devices_mspi_s25fs064s_reset(void *pHandle)
{
uint32_t ui32PIOBuffer[32] = {0};
//
// Send the command sequence to reset the device and return status.
//
if (AM_HAL_STATUS_SUCCESS != am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_RESET_ENABLE, false, 0, ui32PIOBuffer, 0))
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
if (AM_HAL_STATUS_SUCCESS != am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_RESET_MEMORY, false, 0, ui32PIOBuffer, 0))
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
//*****************************************************************************
//
//! @brief Reads the ID of the external s25fs064s and returns the value.
//!
//! @param pDeviceID - Pointer to the return buffer for the Device ID.
//!
//! This function reads the device ID register of the external s25fs064s, and returns
//! the result as an 32-bit unsigned integer value.
//!
//! @return 32-bit status
//
//*****************************************************************************
uint32_t
am_devices_mspi_s25fs064s_id(void *pHandle)
{
uint32_t ui32Status;
uint32_t ui32DeviceID;
//
// Send the command sequence to read the Device ID and return status.
//
ui32Status = am_devices_mspi_s25fsp64s_command_read(pHandle, AM_DEVICES_MSPI_S25FS064S_READ_ID, false, 0, &ui32DeviceID, 3);
am_util_stdio_printf("Flash ID is %8.8X\n", ui32DeviceID);
if ( ((ui32DeviceID & AM_DEVICES_MSPI_S25FS064S_ID_MASK) == AM_DEVICES_MSPI_S25FS064S_ID) &&
(AM_HAL_STATUS_SUCCESS == ui32Status) )
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
else
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
}
//*****************************************************************************
//
//! @brief Reads the current status of the external s25fs064s
//!
//! This function reads the status register of the external s25fs064s, and returns
//! the result as an 8-bit unsigned integer value. The processor will block
//! during the data transfer process, but will return as soon as the status
//! register had been read.
//!
//! Macro definitions for interpreting the contents of the status register are
//! included in the header file.
//!
//! @return 8-bit status register contents
//
//*****************************************************************************
uint32_t
am_devices_mspi_s25fs064s_status(void *pHandle, uint32_t *pStatus)
{
uint32_t ui32Status;
//
// Send the command sequence to read the device status.
//
ui32Status = am_devices_mspi_s25fsp64s_command_read(pHandle, AM_DEVICES_MSPI_S25FS064S_READ_STATUS, false, 0, pStatus, 1);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
uint32_t
am_devices_mspi_s25fs064s_read_adv(void *pHandle, uint8_t *pui8RxBuffer,
uint32_t ui32ReadAddress,
uint32_t ui32NumBytes,
uint32_t ui32PauseCondition,
uint32_t ui32StatusSetClr,
am_hal_mspi_callback_t pfnCallback,
void *pCallbackCtxt)
{
am_hal_mspi_dma_transfer_t Transaction;
uint32_t ui32Status;
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
// Set the DMA priority
Transaction.ui8Priority = 1;
// Set the transfer direction to RX (Read)
Transaction.eDirection = AM_HAL_MSPI_RX;
// Set the transfer count in bytes.
Transaction.ui32TransferCount = ui32NumBytes;
// Set the address to read data from.
Transaction.ui32DeviceAddress = ui32ReadAddress;
// Set the target SRAM buffer address.
Transaction.ui32SRAMAddress = (uint32_t)pui8RxBuffer;
// Clear the CQ stimulus.
Transaction.ui32PauseCondition = ui32PauseCondition;
// Clear the post-processing
Transaction.ui32StatusSetClr = ui32StatusSetClr;
// Check the transaction status.
ui32Status = am_hal_mspi_nonblocking_transfer(pFlash->pMspiHandle, &Transaction,
AM_HAL_MSPI_TRANS_DMA, pfnCallback, pCallbackCtxt);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Return the status.
//
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
//*****************************************************************************
//
//! @brief Reads the contents of the external s25fs064s into a buffer.
//!
//! @param pui8RxBuffer - Buffer to store the received data from the s25fs064s
//! @param ui32ReadAddress - Address of desired data in external s25fs064s
//! @param ui32NumBytes - Number of bytes to read from external s25fs064s
//!
//! This function reads the external s25fs064s at the provided address and stores
//! the received data into the provided buffer location. This function will
//! only store ui32NumBytes worth of data.
//
//! @return 32-bit status
//
//*****************************************************************************
uint32_t
am_devices_mspi_s25fs064s_read(void *pHandle, uint8_t *pui8RxBuffer,
uint32_t ui32ReadAddress,
uint32_t ui32NumBytes,
bool bWaitForCompletion)
{
am_hal_mspi_dma_transfer_t Transaction;
uint32_t ui32Status;
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
// Set the DMA priority
Transaction.ui8Priority = 1;
// Set the transfer direction to RX (Read)
Transaction.eDirection = AM_HAL_MSPI_RX;
// Set the transfer count in bytes.
Transaction.ui32TransferCount = ui32NumBytes;
// Set the address to read data from.
Transaction.ui32DeviceAddress = ui32ReadAddress;
// Set the target SRAM buffer address.
Transaction.ui32SRAMAddress = (uint32_t)pui8RxBuffer;
// Clear the CQ stimulus.
Transaction.ui32PauseCondition = 0;
// Clear the post-processing
Transaction.ui32StatusSetClr = 0;
if (bWaitForCompletion)
{
// Start the transaction.
volatile bool bDMAComplete = false;
ui32Status = am_hal_mspi_nonblocking_transfer(pFlash->pMspiHandle, &Transaction, AM_HAL_MSPI_TRANS_DMA, pfnMSPI_S25FS064S_Callback, (void *)&bDMAComplete);
// Check the transaction status.
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
// Wait for DMA Complete or Timeout
for (uint32_t i = 0; i < AM_DEVICES_MSPI_S25FS064S_TIMEOUT; i++)
{
if (bDMAComplete)
{
break;
}
//
// Call the BOOTROM cycle function to delay for about 1 microsecond.
//
am_hal_flash_delay( FLASH_CYCLES_US(1) );
}
// Check the status.
if (!bDMAComplete)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
}
else
{
// Check the transaction status.
ui32Status = am_hal_mspi_nonblocking_transfer(pFlash->pMspiHandle, &Transaction,
AM_HAL_MSPI_TRANS_DMA, NULL, NULL);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
}
//
// Return the status.
//
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
//*****************************************************************************
//
//! @brief Reads the contents of the external s25fs064s into a buffer.
//!
//! @param pui8RxBuffer - Buffer to store the received data from the s25fs064s
//! @param ui32ReadAddress - Address of desired data in external s25fs064s
//! @param ui32NumBytes - Number of bytes to read from external s25fs064s
//!
//! This function reads the external s25fs064s at the provided address and stores
//! the received data into the provided buffer location. This function will
//! only store ui32NumBytes worth of data.
//
//! @return 32-bit status
//
//*****************************************************************************
uint32_t
am_devices_mspi_s25fs064s_read_hiprio(void *pHandle, uint8_t *pui8RxBuffer,
uint32_t ui32ReadAddress,
uint32_t ui32NumBytes,
bool bWaitForCompletion)
{
am_hal_mspi_dma_transfer_t Transaction;
uint32_t ui32Status;
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
// Set the DMA priority
Transaction.ui8Priority = 1;
// Set the transfer direction to RX (Read)
Transaction.eDirection = AM_HAL_MSPI_RX;
// Set the transfer count in bytes.
Transaction.ui32TransferCount = ui32NumBytes;
// Set the address to read data from.
Transaction.ui32DeviceAddress = ui32ReadAddress;
// Set the target SRAM buffer address.
Transaction.ui32SRAMAddress = (uint32_t)pui8RxBuffer;
// Clear the CQ stimulus.
Transaction.ui32PauseCondition = 0;
// Clear the post-processing
Transaction.ui32StatusSetClr = 0;
if (bWaitForCompletion)
{
// Start the transaction.
volatile bool bDMAComplete = false;
ui32Status = am_hal_mspi_highprio_transfer(pFlash->pMspiHandle, &Transaction, AM_HAL_MSPI_TRANS_DMA, pfnMSPI_S25FS064S_Callback, (void*)&bDMAComplete);
// Check the transaction status.
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
// Wait for DMA Complete or Timeout
for (uint32_t i = 0; i < AM_DEVICES_MSPI_S25FS064S_TIMEOUT; i++)
{
if (bDMAComplete)
{
break;
}
//
// Call the BOOTROM cycle function to delay for about 1 microsecond.
//
am_hal_flash_delay( FLASH_CYCLES_US(1) );
}
// Check the status.
if (!bDMAComplete)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
}
else
{
// Check the transaction status.
ui32Status = am_hal_mspi_highprio_transfer(pFlash->pMspiHandle, &Transaction,
AM_HAL_MSPI_TRANS_DMA, NULL, NULL);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
}
//
// Return the status.
//
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
//*****************************************************************************
//
//! @brief Programs the given range of s25fs064s addresses.
//!
//! @param ui32DeviceNumber - Device number of the external s25fs064s
//! @param pui8TxBuffer - Buffer to write the external s25fs064s data from
//! @param ui32WriteAddress - Address to write to in the external s25fs064s
//! @param ui32NumBytes - Number of bytes to write to the external s25fs064s
//!
//! This function uses the data in the provided pui8TxBuffer and copies it to
//! the external s25fs064s at the address given by ui32WriteAddress. It will copy
//! exactly ui32NumBytes of data from the original pui8TxBuffer pointer. The
//! user is responsible for ensuring that they do not overflow the target s25fs064s
//! memory or underflow the pui8TxBuffer array
//
//! @return 32-bit status
//
//*****************************************************************************
uint32_t
am_devices_mspi_s25fs064s_write(void *pHandle, uint8_t *pui8TxBuffer,
uint32_t ui32WriteAddress,
uint32_t ui32NumBytes,
bool bWaitForCompletion)
{
am_hal_mspi_dma_transfer_t Transaction;
bool bWriteComplete = false;
uint32_t ui32BytesLeft = ui32NumBytes;
uint32_t ui32PageAddress = ui32WriteAddress;
uint32_t ui32BufferAddress = (uint32_t)pui8TxBuffer;
uint32_t ui32Status;
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
uint32_t ui32PIOBuffer[32] = {0};
while (ui32BytesLeft > 0)
{
//
// Send the command sequence to enable writing.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_ENABLE, false, 0, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
// Set the DMA priority
Transaction.ui8Priority = 1;
// Set the transfer direction to TX (Write)
Transaction.eDirection = AM_HAL_MSPI_TX;
if (ui32BytesLeft > AM_DEVICES_MSPI_S25FS064S_PAGE_SIZE)
{
// Set the transfer count in bytes.
Transaction.ui32TransferCount = AM_DEVICES_MSPI_S25FS064S_PAGE_SIZE;
ui32BytesLeft -= AM_DEVICES_MSPI_S25FS064S_PAGE_SIZE;
}
else
{
// Set the transfer count in bytes.
Transaction.ui32TransferCount = ui32BytesLeft;
ui32BytesLeft = 0;
}
// Set the address configuration for the read
// Transaction.eAddrCfg = AM_HAL_MSPI_ADDR_3_BYTE;
// Transaction.eAddrExtSize = AM_HAL_MSPI_ADDR_EXT_0_BYTE;
// Transaction.ui8AddrExtValue = 0;
// Set the address to read data to.
Transaction.ui32DeviceAddress = ui32PageAddress;
ui32PageAddress += AM_DEVICES_MSPI_S25FS064S_PAGE_SIZE;
// Set the source SRAM buffer address.
Transaction.ui32SRAMAddress = ui32BufferAddress;
ui32BufferAddress += AM_DEVICES_MSPI_S25FS064S_PAGE_SIZE;
// Clear the CQ stimulus.
Transaction.ui32PauseCondition = 0;
// Clear the post-processing
Transaction.ui32StatusSetClr = 0;
// Start the transaction.
volatile bool bDMAComplete = false;
ui32Status = am_hal_mspi_nonblocking_transfer(pFlash->pMspiHandle, &Transaction, AM_HAL_MSPI_TRANS_DMA, pfnMSPI_S25FS064S_Callback, (void*)&bDMAComplete);
// Check the transaction status.
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
// Wait for DMA Complete or Timeout
for (uint32_t i = 0; i < AM_DEVICES_MSPI_S25FS064S_TIMEOUT; i++)
{
if (bDMAComplete)
{
break;
}
//
// Call the BOOTROM cycle function to delay for about 1 microsecond.
//
am_hal_flash_delay( FLASH_CYCLES_US(1) );
}
// Check the status.
if (!bDMAComplete)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Wait for the Write In Progress to indicate the erase is complete.
//
for (uint32_t i = 0; i < AM_DEVICES_MSPI_S25FS064S_TIMEOUT; i++)
{
ui32Status = am_devices_mspi_s25fsp64s_command_read(pHandle, AM_DEVICES_MSPI_S25FS064S_READ_STATUS, false, 0, ui32PIOBuffer, 1);
if ((AM_HAL_MSPI_FLASH_QUADPAIRED == pFlash->stSetting.eDeviceConfig) ||
(AM_HAL_MSPI_FLASH_QUADPAIRED_SERIAL == pFlash->stSetting.eDeviceConfig))
{
bWriteComplete = ((0 == (ui32PIOBuffer[0] & AM_DEVICES_MSPI_S25FS064S_WIP)) &&
(0 == ((ui32PIOBuffer[0] >> 8) & AM_DEVICES_MSPI_S25FS064S_WIP)));
}
else
{
bWriteComplete = (0 == (ui32PIOBuffer[0] & AM_DEVICES_MSPI_S25FS064S_WIP));
}
am_util_delay_us(100);
if (bWriteComplete)
{
break;
}
}
//
// Send the command sequence to disable writing.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_DISABLE, false, 0, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
}
//
// Return the status.
//
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
//*****************************************************************************
//
//! @brief Erases the entire contents of the external s25fs064s
//!
//! @param ui32DeviceNumber - Device number of the external s25fs064s
//!
//! This function uses the "Bulk Erase" instruction to erase the entire
//! contents of the external s25fs064s.
//
//! @return 32-bit status
//
//*****************************************************************************
uint32_t
am_devices_mspi_s25fs064s_mass_erase(void *pHandle)
{
bool bEraseComplete = false;
uint32_t ui32Status;
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
uint32_t ui32PIOBuffer[32] = {0};
//
// Send the command sequence to enable writing.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_ENABLE, false, 0, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Send the command sequence to do the mass erase.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_BULK_ERASE, false, 0, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Wait for the Write In Progress to indicate the erase is complete.
//
for (uint32_t i = 0; i < AM_DEVICES_MSPI_S25FS064S_ERASE_TIMEOUT; i++)
{
ui32PIOBuffer[0] = 0;
am_devices_mspi_s25fsp64s_command_read(pHandle, AM_DEVICES_MSPI_S25FS064S_READ_STATUS, false, 0, ui32PIOBuffer, 1);
if ((AM_HAL_MSPI_FLASH_QUADPAIRED == pFlash->stSetting.eDeviceConfig) ||
(AM_HAL_MSPI_FLASH_QUADPAIRED_SERIAL == pFlash->stSetting.eDeviceConfig))
{
bEraseComplete = ((0 == (ui32PIOBuffer[0] & AM_DEVICES_MSPI_S25FS064S_WIP)) &&
(0 == ((ui32PIOBuffer[0] >> 8) & AM_DEVICES_MSPI_S25FS064S_WIP)));
}
else
{
bEraseComplete = (0 == (ui32PIOBuffer[0] & AM_DEVICES_MSPI_S25FS064S_WIP));
}
if (bEraseComplete)
{
break;
}
am_util_delay_ms(10);
}
//
// Check the status.
//
if (!bEraseComplete)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Send the command sequence to disable writing.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_DISABLE, false, 0, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Return the status.
//
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
//*****************************************************************************
//
//! @brief Erases the contents of a single sector of s25fs064s
//!
//! @param ui32DeviceNumber - Device number of the external s25fs064s
//! @param ui32SectorAddress - Address to erase in the external s25fs064s
//!
//! This function erases a single sector of the external s25fs064s as specified by
//! ui32EraseAddress. The entire sector where ui32EraseAddress will
//! be erased.
//
//! @return 32-bit status
//
//*****************************************************************************
uint32_t
am_devices_mspi_s25fs064s_sector_erase(void *pHandle, uint32_t ui32SectorAddress)
{
bool bEraseComplete = false;
uint32_t ui32Status;
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
uint32_t ui32PIOBuffer[32] = {0};
//
// Send the command sequence to enable writing.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_ENABLE, false, 0, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Send the command sequence to do the sector erase.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_SECTOR_ERASE, true, ui32SectorAddress, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Wait for the Write In Progress to indicate the erase is complete.
//
for (uint32_t i = 0; i < AM_DEVICES_MSPI_S25FS064S_ERASE_TIMEOUT; i++)
{
ui32PIOBuffer[0] = 0;
am_devices_mspi_s25fsp64s_command_read(pHandle, AM_DEVICES_MSPI_S25FS064S_READ_STATUS, false, 0, ui32PIOBuffer, 1);
if ((AM_HAL_MSPI_FLASH_QUADPAIRED == pFlash->stSetting.eDeviceConfig) ||
(AM_HAL_MSPI_FLASH_QUADPAIRED_SERIAL == pFlash->stSetting.eDeviceConfig))
{
bEraseComplete = ((0 == (ui32PIOBuffer[0] & AM_DEVICES_MSPI_S25FS064S_WIP)) &&
(0 == ((ui32PIOBuffer[0] >> 8) & AM_DEVICES_MSPI_S25FS064S_WIP)));
}
else
{
bEraseComplete = (0 == (ui32PIOBuffer[0] & AM_DEVICES_MSPI_S25FS064S_WIP));
}
if (bEraseComplete)
{
break;
}
am_util_delay_ms(10);
}
//
// Check the status.
//
if (!bEraseComplete)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
uint32_t ui32EraseStatus = 0;
//
// Send the command sequence to check the erase status.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_EVAL_ERASE_STATUS, true, ui32SectorAddress, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Send the command sequence to read the device status.
//
ui32Status = am_devices_mspi_s25fsp64s_command_read(pHandle, AM_DEVICES_MSPI_S25FS064S_READ_STATUS2, false, 0, &ui32EraseStatus, 1);
if ( (AM_HAL_STATUS_SUCCESS != ui32Status) || ((AM_DEVICES_MSPI_S25FS064S_ERASE_SUCCESS & ui32EraseStatus) == 0) )
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Send the command sequence to disable writing.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_DISABLE, false, 0, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Return the status.
//
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
//*****************************************************************************
//
//! @brief Sets up the MSPI and external S25FS064S into XIP mode.
//!
//! This function sets the external psram device and the MSPI into XIP mode.
//
//! @return 32-bit status
//
//*****************************************************************************
uint32_t
am_devices_mspi_s25fs064s_enable_xip(void *pHandle)
{
uint32_t ui32Status;
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
//
// Enable XIP on the MSPI.
//
ui32Status = am_hal_mspi_control(pFlash->pMspiHandle, AM_HAL_MSPI_REQ_XIP_EN, NULL);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
#if !MSPI_USE_CQ
// Disable the DMA interrupts.
ui32Status = am_hal_mspi_interrupt_disable(pFlash->pMspiHandle,
AM_HAL_MSPI_INT_DMAERR |
AM_HAL_MSPI_INT_DMACMP );
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
#endif
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
//*****************************************************************************
//
//! @brief Removes the MSPI and external S25FS064S from XIP mode.
//!
//! This function removes the external device and the MSPI from XIP mode.
//
//! @return 32-bit status
//
//*****************************************************************************
uint32_t
am_devices_mspi_s25fs064s_disable_xip(void *pHandle)
{
uint32_t ui32Status;
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
uint32_t ui32PIOBuffer[32] = {0};
//
// Send the command to enable writing.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_ENABLE, false, 0, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Disable XIP on the MSPI.
//
ui32Status = am_hal_mspi_control(pFlash->pMspiHandle, AM_HAL_MSPI_REQ_XIP_DIS, NULL);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
//*****************************************************************************
//
//! @brief Sets up the MSPI and external S25FS064S into scrambling mode.
//!
//! This function sets the external psram device and the MSPI into scrambling mode.
//
//! @return 32-bit status
//
//*****************************************************************************
uint32_t
am_devices_mspi_s25fs064s_enable_scrambling(void *pHandle)
{
uint32_t ui32Status;
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
//
// Enable scrambling on the MSPI.
//
ui32Status = am_hal_mspi_control(pFlash->pMspiHandle, AM_HAL_MSPI_REQ_SCRAMB_EN, NULL);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
//*****************************************************************************
//
//! @brief Removes the MSPI and external S25FS064S from scrambling mode.
//!
//! This function removes the external device and the MSPI from scrambling mode.
//
//! @return 32-bit status
//
//*****************************************************************************
uint32_t
am_devices_mspi_s25fs064s_disable_scrambling(void *pHandle)
{
uint32_t ui32Status;
am_devices_mspi_s25fs064s_t *pFlash = (am_devices_mspi_s25fs064s_t *)pHandle;
uint32_t ui32PIOBuffer[32] = {0};
//
// Send the command to enable writing.
//
ui32Status = am_devices_mspi_s25fsp64s_command_write(pHandle, AM_DEVICES_MSPI_S25FS064S_WRITE_ENABLE, false, 0, ui32PIOBuffer, 0);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
//
// Disable Scrambling on the MSPI.
//
ui32Status = am_hal_mspi_control(pFlash->pMspiHandle, AM_HAL_MSPI_REQ_SCRAMB_DIS, NULL);
if (AM_HAL_STATUS_SUCCESS != ui32Status)
{
return AM_DEVICES_MSPI_S25FS064S_STATUS_ERROR;
}
return AM_DEVICES_MSPI_S25FS064S_STATUS_SUCCESS;
}
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