/**
* @brief Initializes the NOR device.
* @retval NOR memory status
*/
uint8_t BSP_NOR_Init(void)
{
static uint8_t nor_status = NOR_STATUS_ERROR;
norHandle.Instance = FMC_NORSRAM_DEVICE;
norHandle.Extended = FMC_NORSRAM_EXTENDED_DEVICE;
/* NOR device configuration */
/* Timing configuration derived from system clock (up to 216Mhz)
for 108Mhz as NOR clock frequency */
Timing.AddressSetupTime = 4;
Timing.AddressHoldTime = 3;
Timing.DataSetupTime = 8;
Timing.BusTurnAroundDuration = 1;
Timing.CLKDivision = 2;
Timing.DataLatency = 2;
Timing.AccessMode = FMC_ACCESS_MODE_A;
norHandle.Init.NSBank = FMC_NORSRAM_BANK1;
norHandle.Init.DataAddressMux = FMC_DATA_ADDRESS_MUX_DISABLE;
norHandle.Init.MemoryType = FMC_MEMORY_TYPE_NOR;
norHandle.Init.MemoryDataWidth = NOR_MEMORY_WIDTH;
norHandle.Init.BurstAccessMode = NOR_BURSTACCESS;
norHandle.Init.WaitSignalPolarity = FMC_WAIT_SIGNAL_POLARITY_LOW;
norHandle.Init.WaitSignalActive = FMC_WAIT_TIMING_BEFORE_WS;
norHandle.Init.WriteOperation = FMC_WRITE_OPERATION_ENABLE;
norHandle.Init.WaitSignal = FMC_WAIT_SIGNAL_ENABLE;
norHandle.Init.ExtendedMode = FMC_EXTENDED_MODE_DISABLE;
norHandle.Init.AsynchronousWait = FMC_ASYNCHRONOUS_WAIT_ENABLE;
norHandle.Init.WriteBurst = NOR_WRITEBURST;
norHandle.Init.ContinuousClock = CONTINUOUSCLOCK_FEATURE;
/* NOR controller initialization */
BSP_NOR_MspInit(&norHandle, NULL); /* __weak function can be rewritten by the application */
if(HAL_NOR_Init(&norHandle, &Timing, &Timing) != HAL_OK)
{
nor_status = NOR_STATUS_ERROR;
}
else
{
nor_status = NOR_STATUS_OK;
}
return nor_status;
}
/**
* @brief Initializes the NOR device.
* @retval NOR memory status
*/
uint8_t BSP_NOR_Init(void)
{
NorHandle.Instance = FMC_NORSRAM_DEVICE;
NorHandle.Extended = FMC_NORSRAM_EXTENDED_DEVICE;
/* NOR device configuration */
Timing.AddressSetupTime = 8;
Timing.AddressHoldTime = 3;
Timing.DataSetupTime = 9;
Timing.BusTurnAroundDuration = 0;
Timing.CLKDivision = 2;
Timing.DataLatency = 2;
Timing.AccessMode = FMC_ACCESS_MODE_A;
NorHandle.Init.NSBank = FMC_NORSRAM_BANK1;
NorHandle.Init.DataAddressMux = FMC_DATA_ADDRESS_MUX_DISABLE;
NorHandle.Init.MemoryType = FMC_MEMORY_TYPE_NOR;
NorHandle.Init.MemoryDataWidth = NOR_MEMORY_WIDTH;
NorHandle.Init.BurstAccessMode = NOR_BURSTACCESS;
NorHandle.Init.WaitSignalPolarity = FMC_WAIT_SIGNAL_POLARITY_LOW;
NorHandle.Init.WrapMode = FMC_WRAP_MODE_DISABLE;
NorHandle.Init.WaitSignalActive = FMC_WAIT_TIMING_BEFORE_WS;
NorHandle.Init.WriteOperation = FMC_WRITE_OPERATION_ENABLE;
NorHandle.Init.WaitSignal = FMC_WAIT_SIGNAL_ENABLE;
NorHandle.Init.ExtendedMode = FMC_EXTENDED_MODE_DISABLE;
NorHandle.Init.AsynchronousWait = FMC_ASYNCHRONOUS_WAIT_ENABLE;
NorHandle.Init.WriteBurst = NOR_WRITEBURST;
NorHandle.Init.ContinuousClock = CONTINUOUSCLOCK_FEATURE;
/* NOR controller initialization */
BSP_NOR_MspInit(&NorHandle, NULL);
if(HAL_NOR_Init(&NorHandle, &Timing, &Timing) != HAL_OK)
{
return NOR_STATUS_ERROR;
}
else
{
return NOR_STATUS_OK;
}
}