/**
* The example to do the simple transfer through polling. The constant
* NUMBER_OF_TRANSFERS defines how many times a simple transfer is repeated.
*
* @param DeviceId is the Device Id of the XAxiCdma instance
*
* @return
* - XST_SUCCESS if example finishes successfully
* - XST_FAILURE if error occurs
*
* @note If the hardware build has problems with interrupt,
* then this function hangs
*
*
******************************************************************************/
int XAxiCdma_SimplePollExample(u16 DeviceId)
{
XAxiCdma_Config *CfgPtr;
int Status;
int SubmitTries = 10; /* try 10 times on submission */
int Tries = NUMBER_OF_TRANSFERS;
int Index;
/* Initialize the XAxiCdma device.
*/
CfgPtr = XAxiCdma_LookupConfig(DeviceId);
if (!CfgPtr) {
return XST_FAILURE;
}
Status = XAxiCdma_CfgInitialize(&AxiCdmaInstance, CfgPtr,
CfgPtr->BaseAddress);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/* Disable interrupts, we use polling mode
*/
XAxiCdma_IntrDisable(&AxiCdmaInstance, XAXICDMA_XR_IRQ_ALL_MASK);
for (Index = 0; Index < Tries; Index++) {
Status = DoSimplePollTransfer(&AxiCdmaInstance,
BUFFER_BYTESIZE, SubmitTries);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
}
/* Test finishes successfully
*/
return XST_SUCCESS;
}
int XAxiCdma_HybridIntrExample(XScuGic *IntcInstancePtr, XAxiCdma *InstancePtr,
u16 DeviceId,u32 IntrId)
#endif
{
XAxiCdma_Config *CfgPtr;
int Status;
int SubmitTries = 10; /* Retry to submit */
/* Initialize the XAxiCdma device.
*/
CfgPtr = XAxiCdma_LookupConfig(DeviceId);
if (!CfgPtr) {
xdbg_printf(XDBG_DEBUG_ERROR,
"Cannot find config structure for device %d\r\n",
XPAR_AXICDMA_0_DEVICE_ID);
return XST_FAILURE;
}
Status = XAxiCdma_CfgInitialize(InstancePtr, CfgPtr,
CfgPtr->BaseAddress);
if (Status != XST_SUCCESS) {
xdbg_printf(XDBG_DEBUG_ERROR,
"Initialization failed with %d\r\n", Status);
return XST_FAILURE;
}
/* Setup the interrupt system
*/
Status = SetupIntrSystem(IntcInstancePtr, InstancePtr, IntrId);
if (Status != XST_SUCCESS) {
xdbg_printf(XDBG_DEBUG_ERROR,
"Setup Intr system failed with %d\r\n", Status);
return XST_FAILURE;
}
/* Enable all (completion/error/delay) interrupts
*/
XAxiCdma_IntrEnable(InstancePtr, XAXICDMA_XR_IRQ_ALL_MASK);
/* First simple transfer
*/
Done = 0;
Error = 0;
Status = DoSimpleTransfer(InstancePtr,
BUFFER_BYTESIZE, SubmitTries);
if(Status != XST_SUCCESS) {
DisableIntrSystem(IntcInstancePtr, IntrId);
return XST_FAILURE;
}
xil_printf("First simple transfer successful\r\n");
/* The scatter gather transfer
*/
Done = 0;
Error = 0;
Status = DoSgTransfer(InstancePtr);
if(Status != XST_SUCCESS) {
DisableIntrSystem(IntcInstancePtr, IntrId);
return XST_FAILURE;
}
xil_printf("Scatter gather transfer successful\r\n");
/* Second simple transfer
*/
Done = 0;
Error = 0;
Status = DoSimpleTransfer(InstancePtr,
BUFFER_BYTESIZE, SubmitTries);
if(Status != XST_SUCCESS) {
DisableIntrSystem(IntcInstancePtr, IntrId);
return XST_FAILURE;
}
xil_printf("Second simple transfer successful\r\n");
/* Test finishes successfully, clean up and return
*/
DisableIntrSystem(IntcInstancePtr, IntrId);
return XST_SUCCESS;
}
/**
* This function transfers data from Source Address to Destination Address
* using the AXI CDMA.
* User has to specify the Source Address, Destination Address and Transfer
* Length in AXICDMA_SRC_ADDR, AXICDMA_DEST_ADDR and AXICDMA_LENGTH defines
* respectively.
*
* @param DeviceId is device ID of the XAxiCdma Device.
*
* @return - XST_SUCCESS if successful
* - XST_FAILURE.if unsuccessful.
*
* @note If the hardware system is not built correctly, this function
* may never return to the caller.
*
******************************************************************************/
int DmaDataTransfer (u16 DeviceID)
{
int Status;
volatile int Error;
XAxiCdma_Config *ConfigPtr;
Error = 0;
/*
* Make sure we have a valid addresses for Src and Dst.
*/
if (AXICDMA_SRC_ADDR == 0) {
return XST_FAILURE;
}
if (AXICDMA_DEST_ADDR == 0) {
return XST_FAILURE;
}
/*
* Initialize the AXI CDMA IP.
*/
ConfigPtr = XAxiCdma_LookupConfig(DeviceID);
if (ConfigPtr == NULL) {
return XST_FAILURE;
}
Status = XAxiCdma_CfgInitialize(&CdmaInstance,
ConfigPtr, ConfigPtr->BaseAddress);
if (Status != XST_SUCCESS) {
return XST_FAILURE;
}
/*
* Reset the AXI CDMA device.
*/
XAxiCdma_Reset(&CdmaInstance);
/*
* Disable AXI CDMA Interrupts
*/
XAxiCdma_IntrDisable(&CdmaInstance, XAXICDMA_XR_IRQ_ALL_MASK);
/*
* Start Transferring Data from source to destination in polled mode
*/
XAxiCdma_SimpleTransfer (&CdmaInstance, AXICDMA_SRC_ADDR,
AXICDMA_DEST_ADDR, AXICDMA_LENGTH, 0, 0);
/*
* Poll Status register waiting for either Completion or Error
*/
while (XAxiCdma_IsBusy(&CdmaInstance));
Error = XAxiCdma_GetError(&CdmaInstance);
if (Error != 0x0) {
xil_printf("AXI CDMA Transfer Error = %8.8x\r\n");
return XST_FAILURE;
}
xil_printf("AXI CDMA Transfer is Complete\r\n");
return XST_SUCCESS;
}
/**
* The example to do the scatter gather transfer through polling.
*
* @param DeviceId is the Device Id of the XAxiCdma instance
*
* @return
* - XST_SUCCESS if example finishes successfully
* - XST_FAILURE if error occurs
*
* @note None
*
******************************************************************************/
int XAxiCdma_SgPollExample(u16 DeviceId)
{
XAxiCdma_Config *CfgPtr;
int Status;
u8 *SrcPtr;
u8 *DstPtr;
SrcPtr = (u8 *)TransmitBufferPtr;
DstPtr = (u8 *)ReceiveBufferPtr;
#ifdef __aarch64__
Xil_SetTlbAttributes(BD_SPACE_BASE, MARK_UNCACHEABLE);
#endif
/* Initialize the XAxiCdma device.
*/
CfgPtr = XAxiCdma_LookupConfig(DeviceId);
if (!CfgPtr) {
xdbg_printf(XDBG_DEBUG_ERROR,
"Cannot find config structure for device %d\r\n",
XPAR_AXICDMA_0_DEVICE_ID);
return XST_FAILURE;
}
Status = XAxiCdma_CfgInitialize(&AxiCdmaInstance, CfgPtr,
CfgPtr->BaseAddress);
if (Status != XST_SUCCESS) {
xdbg_printf(XDBG_DEBUG_ERROR,
"Initialization failed with %d\r\n", Status);
return XST_FAILURE;
}
/* Setup the BD ring
*/
Status = SetupTransfer(&AxiCdmaInstance);
if (Status != XST_SUCCESS) {
xdbg_printf(XDBG_DEBUG_ERROR,
"Setup BD ring failed with %d\r\n", Status);
return XST_FAILURE;
}
Done = 0;
Error = 0;
/* Start the DMA transfer
*/
Status = DoTransfer(&AxiCdmaInstance);
if (Status != XST_SUCCESS) {
xdbg_printf(XDBG_DEBUG_ERROR,
"Do transfer failed with %d\r\n", Status);
return XST_FAILURE;
}
/* Wait until the DMA transfer is done or error occurs
*/
while ((CheckCompletion(&AxiCdmaInstance) < NUMBER_OF_BDS_TO_TRANSFER)
&& !Error) {
/* Wait */
}
if(Error) {
int TimeOut = RESET_LOOP_COUNT;
xdbg_printf(XDBG_DEBUG_ERROR, "Transfer has error %x\r\n",
Error);
/* Need to reset the hardware to restore to the correct state
*/
XAxiCdma_Reset(&AxiCdmaInstance);
while (TimeOut) {
if (XAxiCdma_ResetIsDone(&AxiCdmaInstance)) {
break;
}
TimeOut -= 1;
}
/* Reset has failed, print a message to notify the user
*/
if (!TimeOut) {
xdbg_printf(XDBG_DEBUG_ERROR,
"Reset hardware failed with %d\r\n", Status);
}
return XST_FAILURE;
}
/* Transfer completed successfully, check data
*/
Status = CheckData(SrcPtr, DstPtr,
MAX_PKT_LEN * NUMBER_OF_BDS_TO_TRANSFER);
if (Status != XST_SUCCESS) {
xdbg_printf(XDBG_DEBUG_ERROR, "Check data failed for sg "
"transfer\r\n");
return XST_FAILURE;
}
/* Test finishes successfully, return successfully
*/
return XST_SUCCESS;
}
int XAxiCdma_SgIntrExample(XScuGic *IntcInstancePtr, XAxiCdma *InstancePtr,
u16 DeviceId,u32 IntrId)
#endif
{
XAxiCdma_Config *CfgPtr;
int Status;
u8 *SrcPtr;
u8 *DstPtr;
SrcPtr = (u8 *)TransmitBufferPtr;
DstPtr = (u8 *)ReceiveBufferPtr;
#ifdef __aarch64__
Xil_SetTlbAttributes(BD_SPACE_BASE, MARK_UNCACHEABLE);
#endif
/* Initialize the XAxiCdma device.
*/
CfgPtr = XAxiCdma_LookupConfig(DeviceId);
if (!CfgPtr) {
xdbg_printf(XDBG_DEBUG_ERROR,
"Cannot find config structure for device %d\r\n",
XPAR_AXICDMA_0_DEVICE_ID);
return XST_FAILURE;
}
Status = XAxiCdma_CfgInitialize(InstancePtr, CfgPtr,
CfgPtr->BaseAddress);
if (Status != XST_SUCCESS) {
xdbg_printf(XDBG_DEBUG_ERROR,
"Initialization failed with %d\r\n", Status);
return XST_FAILURE;
}
/* Setup the BD ring
*/
Status = SetupTransfer(InstancePtr);
if (Status != XST_SUCCESS) {
xdbg_printf(XDBG_DEBUG_ERROR,
"Setup BD ring failed with %d\r\n", Status);
return XST_FAILURE;
}
/* Setup the interrupt system
*/
Status = SetupIntrSystem(IntcInstancePtr, InstancePtr, IntrId);
if (Status != XST_SUCCESS) {
xdbg_printf(XDBG_DEBUG_ERROR,
"Setup Intr system failed with %d\r\n", Status);
return XST_FAILURE;
}
/* Enable completion and error interrupts
*/
XAxiCdma_IntrEnable(InstancePtr, XAXICDMA_XR_IRQ_ALL_MASK);
/* Start the DMA transfer
*/
Status = DoTransfer(InstancePtr);
if (Status != XST_SUCCESS) {
xdbg_printf(XDBG_DEBUG_ERROR,
"Do transfer failed with %d\r\n", Status);
return XST_FAILURE;
}
/* Wait until the DMA transfer is done
*/
while ((Done < NUMBER_OF_BDS_TO_TRANSFER) && !Error) {
/* Wait */
}
if(Error) {
xdbg_printf(XDBG_DEBUG_ERROR, "Transfer has error %x\r\n",
(unsigned int)XAxiCdma_GetError(InstancePtr));
DisableIntrSystem(IntcInstancePtr, IntrId);
return XST_FAILURE;
}
/* Transfer completes successfully, check data
*/
Status = CheckData(SrcPtr, DstPtr,
MAX_PKT_LEN * NUMBER_OF_BDS_TO_TRANSFER);
if (Status != XST_SUCCESS) {
xdbg_printf(XDBG_DEBUG_ERROR, "Check data failed for sg "
"transfer\r\n");
DisableIntrSystem(IntcInstancePtr, IntrId);
return XST_FAILURE;
}
/* Test finishes successfully, clean up and return
*/
DisableIntrSystem(IntcInstancePtr, IntrId);
return XST_SUCCESS;
}
void wlan_mac_util_init( u32 type, u32 eth_dev_num ){
int Status;
u32 i;
u32 gpio_read;
u32 queue_len;
u64 timestamp;
u32 log_size;
tx_frame_info* tx_mpdu;
// Initialize callbacks
eth_rx_callback = (function_ptr_t)nullCallback;
mpdu_rx_callback = (function_ptr_t)nullCallback;
fcs_bad_rx_callback = (function_ptr_t)nullCallback;
mpdu_tx_done_callback = (function_ptr_t)nullCallback;
pb_u_callback = (function_ptr_t)nullCallback;
pb_m_callback = (function_ptr_t)nullCallback;
pb_d_callback = (function_ptr_t)nullCallback;
uart_callback = (function_ptr_t)nullCallback;
ipc_rx_callback = (function_ptr_t)nullCallback;
check_queue_callback = (function_ptr_t)nullCallback;
mpdu_tx_accept_callback = (function_ptr_t)nullCallback;
wlan_mac_ipc_init();
for(i=0;i < NUM_TX_PKT_BUFS; i++){
tx_mpdu = (tx_frame_info*)TX_PKT_BUF_TO_ADDR(i);
tx_mpdu->state = TX_MPDU_STATE_EMPTY;
}
tx_pkt_buf = 0;
#ifdef _DEBUG_
xil_printf("locking tx_pkt_buf = %d\n", tx_pkt_buf);
#endif
if(lock_pkt_buf_tx(tx_pkt_buf) != PKT_BUF_MUTEX_SUCCESS){
warp_printf(PL_ERROR,"Error: unable to lock pkt_buf %d\n",tx_pkt_buf);
}
tx_mpdu = (tx_frame_info*)TX_PKT_BUF_TO_ADDR(tx_pkt_buf);
tx_mpdu->state = TX_MPDU_STATE_TX_PENDING;
//Initialize the central DMA (CDMA) driver
XAxiCdma_Config *cdma_cfg_ptr;
cdma_cfg_ptr = XAxiCdma_LookupConfig(XPAR_AXI_CDMA_0_DEVICE_ID);
Status = XAxiCdma_CfgInitialize(&cdma_inst, cdma_cfg_ptr, cdma_cfg_ptr->BaseAddress);
if (Status != XST_SUCCESS) {
warp_printf(PL_ERROR,"Error initializing CDMA: %d\n", Status);
}
XAxiCdma_IntrDisable(&cdma_inst, XAXICDMA_XR_IRQ_ALL_MASK);
Status = XGpio_Initialize(&Gpio, GPIO_DEVICE_ID);
gpio_timestamp_initialize();
if (Status != XST_SUCCESS) {
warp_printf(PL_ERROR, "Error initializing GPIO\n");
return;
}
Status = XUartLite_Initialize(&UartLite, UARTLITE_DEVICE_ID);
if (Status != XST_SUCCESS) {
warp_printf(PL_ERROR, "Error initializing XUartLite\n");
return;
}
gpio_read = XGpio_DiscreteRead(&Gpio, GPIO_INPUT_CHANNEL);
if(gpio_read&GPIO_MASK_DRAM_INIT_DONE){
xil_printf("DRAM SODIMM Detected\n");
if(memory_test()==0){
queue_dram_present(1);
dram_present = 1;
} else {
queue_dram_present(0);
dram_present = 0;
}
} else {
queue_dram_present(0);
dram_present = 0;
timestamp = get_usec_timestamp();
while((get_usec_timestamp() - timestamp) < 100000){
if((XGpio_DiscreteRead(&Gpio, GPIO_INPUT_CHANNEL)&GPIO_MASK_DRAM_INIT_DONE)){
xil_printf("DRAM SODIMM Detected\n");
if(memory_test()==0){
queue_dram_present(1);
dram_present = 1;
} else {
queue_dram_present(0);
dram_present = 0;
}
break;
}
}
}
queue_len = queue_init();
if( dram_present ) {
//The event_list lives in DRAM immediately following the queue payloads.
if(MAX_EVENT_LOG == -1){
log_size = (DDR3_SIZE - queue_len);
} else {
log_size = min( (DDR3_SIZE - queue_len), MAX_EVENT_LOG );
}
event_log_init( (void*)(DDR3_BASEADDR + queue_len), log_size );
} else {
log_size = 0;
}
#ifdef USE_WARPNET_WLAN_EXP
// Communicate the log size to WARPNet
node_info_set_event_log_size( log_size );
#endif
wlan_eth_init();
//Set direction of GPIO channels
XGpio_SetDataDirection(&Gpio, GPIO_INPUT_CHANNEL, 0xFFFFFFFF);
XGpio_SetDataDirection(&Gpio, GPIO_OUTPUT_CHANNEL, 0);
Status = XTmrCtr_Initialize(&TimerCounterInst, TMRCTR_DEVICE_ID);
if (Status != XST_SUCCESS) {
xil_printf("XTmrCtr failed to initialize\n");
return;
}
//Set the handler for Timer
XTmrCtr_SetHandler(&TimerCounterInst, timer_handler, &TimerCounterInst);
//Enable interrupt of timer and auto-reload so it continues repeatedly
XTmrCtr_SetOptions(&TimerCounterInst, TIMER_CNTR_FAST, XTC_DOWN_COUNT_OPTION | XTC_INT_MODE_OPTION);
XTmrCtr_SetOptions(&TimerCounterInst, TIMER_CNTR_SLOW, XTC_DOWN_COUNT_OPTION | XTC_INT_MODE_OPTION);
timer_running[TIMER_CNTR_FAST] = 0;
timer_running[TIMER_CNTR_SLOW] = 0;
// Get the type of node from the input parameter
hw_info.type = type;
hw_info.wn_exp_eth_device = eth_dev_num;
#ifdef USE_WARPNET_WLAN_EXP
// We cannot initialize WARPNet until after the lower CPU sends all the HW information to us through the IPC call
warpnet_initialized = 0;
#endif
wlan_mac_ltg_sched_init();
}
