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Update version number in readiness for V10.3.0 release. Sync SVN with reviewed release candidate.

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Yuhui.Zheng 2020-02-07 20:14:50 +00:00
parent f988394e0d
commit 589dd9f149
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FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/Zynq/NetworkInterface.c
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@ -1,398 +1,398 @@
/*
FreeRTOS+TCP V2.0.11
Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
http://aws.amazon.com/freertos
http://www.FreeRTOS.org
*/
/* Standard includes. */
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "queue.h"
#include "semphr.h"
/* FreeRTOS+TCP includes. */
#include "FreeRTOS_IP.h"
#include "FreeRTOS_Sockets.h"
#include "FreeRTOS_IP_Private.h"
#include "NetworkBufferManagement.h"
#include "NetworkInterface.h"
/* Xilinx library files. */
#include <xemacps.h>
#include "Zynq/x_topology.h"
#include "Zynq/x_emacpsif.h"
#include "Zynq/x_emacpsif_hw.h"
/* Provided memory configured as uncached. */
#include "uncached_memory.h"
#ifndef BMSR_LINK_STATUS
#define BMSR_LINK_STATUS 0x0004UL
#endif
#ifndef PHY_LS_HIGH_CHECK_TIME_MS
/* Check if the LinkSStatus in the PHY is still high after 15 seconds of not
receiving packets. */
#define PHY_LS_HIGH_CHECK_TIME_MS 15000
#endif
#ifndef PHY_LS_LOW_CHECK_TIME_MS
/* Check if the LinkSStatus in the PHY is still low every second. */
#define PHY_LS_LOW_CHECK_TIME_MS 1000
#endif
/* The size of each buffer when BufferAllocation_1 is used:
http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Ethernet_Buffer_Management.html */
#define niBUFFER_1_PACKET_SIZE 1536
/* Naming and numbering of PHY registers. */
#define PHY_REG_01_BMSR 0x01 /* Basic mode status register */
#ifndef iptraceEMAC_TASK_STARTING
#define iptraceEMAC_TASK_STARTING() do { } while( 0 )
#endif
/* Default the size of the stack used by the EMAC deferred handler task to twice
the size of the stack used by the idle task - but allow this to be overridden in
FreeRTOSConfig.h as configMINIMAL_STACK_SIZE is a user definable constant. */
#ifndef configEMAC_TASK_STACK_SIZE
#define configEMAC_TASK_STACK_SIZE ( 2 * configMINIMAL_STACK_SIZE )
#endif
/*-----------------------------------------------------------*/
/*
* Look for the link to be up every few milliseconds until either xMaxTime time
* has passed or a link is found.
*/
static BaseType_t prvGMACWaitLS( TickType_t xMaxTime );
/*
* A deferred interrupt handler for all MAC/DMA interrupt sources.
*/
static void prvEMACHandlerTask( void *pvParameters );
/*-----------------------------------------------------------*/
/* EMAC data/descriptions. */
static xemacpsif_s xEMACpsif;
struct xtopology_t xXTopology =
{
.emac_baseaddr = XPAR_PS7_ETHERNET_0_BASEADDR,
.emac_type = xemac_type_emacps,
.intc_baseaddr = 0x0,
.intc_emac_intr = 0x0,
.scugic_baseaddr = XPAR_PS7_SCUGIC_0_BASEADDR,
.scugic_emac_intr = 0x36,
};
XEmacPs_Config mac_config =
{
.DeviceId = XPAR_PS7_ETHERNET_0_DEVICE_ID, /**< Unique ID of device */
.BaseAddress = XPAR_PS7_ETHERNET_0_BASEADDR /**< Physical base address of IPIF registers */
};
extern int phy_detected;
/* A copy of PHY register 1: 'PHY_REG_01_BMSR' */
static uint32_t ulPHYLinkStatus = 0;
#if( ipconfigUSE_LLMNR == 1 )
static const uint8_t xLLMNR_MACAddress[] = { 0x01, 0x00, 0x5E, 0x00, 0x00, 0xFC };
#endif
/* ucMACAddress as it appears in main.c */
extern const uint8_t ucMACAddress[ 6 ];
/* Holds the handle of the task used as a deferred interrupt processor. The
handle is used so direct notifications can be sent to the task for all EMAC/DMA
related interrupts. */
TaskHandle_t xEMACTaskHandle = NULL;
/*-----------------------------------------------------------*/
BaseType_t xNetworkInterfaceInitialise( void )
{
uint32_t ulLinkSpeed, ulDMAReg;
BaseType_t xStatus, xLinkStatus;
XEmacPs *pxEMAC_PS;
const TickType_t xWaitLinkDelay = pdMS_TO_TICKS( 7000UL ), xWaitRelinkDelay = pdMS_TO_TICKS( 1000UL );
/* Guard against the init function being called more than once. */
if( xEMACTaskHandle == NULL )
{
pxEMAC_PS = &( xEMACpsif.emacps );
memset( &xEMACpsif, '\0', sizeof( xEMACpsif ) );
xStatus = XEmacPs_CfgInitialize( pxEMAC_PS, &mac_config, mac_config.BaseAddress);
if( xStatus != XST_SUCCESS )
{
FreeRTOS_printf( ( "xEMACInit: EmacPs Configuration Failed....\n" ) );
}
/* Initialize the mac and set the MAC address. */
XEmacPs_SetMacAddress( pxEMAC_PS, ( void * ) ucMACAddress, 1 );
#if( ipconfigUSE_LLMNR == 1 )
{
/* Also add LLMNR multicast MAC address. */
XEmacPs_SetMacAddress( pxEMAC_PS, ( void * )xLLMNR_MACAddress, 2 );
}
#endif /* ipconfigUSE_LLMNR == 1 */
XEmacPs_SetMdioDivisor( pxEMAC_PS, MDC_DIV_224 );
ulLinkSpeed = Phy_Setup( pxEMAC_PS );
XEmacPs_SetOperatingSpeed( pxEMAC_PS, ulLinkSpeed);
/* Setting the operating speed of the MAC needs a delay. */
vTaskDelay( pdMS_TO_TICKS( 25UL ) );
ulDMAReg = XEmacPs_ReadReg( pxEMAC_PS->Config.BaseAddress, XEMACPS_DMACR_OFFSET);
/* DISC_WHEN_NO_AHB: when set, the GEM DMA will automatically discard receive
packets from the receiver packet buffer memory when no AHB resource is available. */
XEmacPs_WriteReg( pxEMAC_PS->Config.BaseAddress, XEMACPS_DMACR_OFFSET,
ulDMAReg | XEMACPS_DMACR_DISC_WHEN_NO_AHB_MASK);
setup_isr( &xEMACpsif );
init_dma( &xEMACpsif );
start_emacps( &xEMACpsif );
prvGMACWaitLS( xWaitLinkDelay );
/* The deferred interrupt handler task is created at the highest
possible priority to ensure the interrupt handler can return directly
to it. The task's handle is stored in xEMACTaskHandle so interrupts can
notify the task when there is something to process. */
xTaskCreate( prvEMACHandlerTask, "EMAC", configEMAC_TASK_STACK_SIZE, NULL, configMAX_PRIORITIES - 1, &xEMACTaskHandle );
}
else
{
/* Initialisation was already performed, just wait for the link. */
prvGMACWaitLS( xWaitRelinkDelay );
}
/* Only return pdTRUE when the Link Status of the PHY is high, otherwise the
DHCP process and all other communication will fail. */
xLinkStatus = xGetPhyLinkStatus();
return ( xLinkStatus != pdFALSE );
}
/*-----------------------------------------------------------*/
BaseType_t xNetworkInterfaceOutput( NetworkBufferDescriptor_t * const pxBuffer, BaseType_t bReleaseAfterSend )
{
if( ( ulPHYLinkStatus & BMSR_LINK_STATUS ) != 0 )
{
iptraceNETWORK_INTERFACE_TRANSMIT();
emacps_send_message( &xEMACpsif, pxBuffer, bReleaseAfterSend );
}
else if( bReleaseAfterSend != pdFALSE )
{
/* No link. */
vReleaseNetworkBufferAndDescriptor( pxBuffer );
}
return pdTRUE;
}
/*-----------------------------------------------------------*/
static inline unsigned long ulReadMDIO( unsigned ulRegister )
{
uint16_t usValue;
XEmacPs_PhyRead( &( xEMACpsif.emacps ), phy_detected, ulRegister, &usValue );
return usValue;
}
/*-----------------------------------------------------------*/
static BaseType_t prvGMACWaitLS( TickType_t xMaxTime )
{
TickType_t xStartTime, xEndTime;
const TickType_t xShortDelay = pdMS_TO_TICKS( 20UL );
BaseType_t xReturn;
xStartTime = xTaskGetTickCount();
for( ;; )
{
xEndTime = xTaskGetTickCount();
if( xEndTime - xStartTime > xMaxTime )
{
xReturn = pdFALSE;
break;
}
ulPHYLinkStatus = ulReadMDIO( PHY_REG_01_BMSR );
if( ( ulPHYLinkStatus & BMSR_LINK_STATUS ) != 0 )
{
xReturn = pdTRUE;
break;
}
vTaskDelay( xShortDelay );
}
return xReturn;
}
/*-----------------------------------------------------------*/
void vNetworkInterfaceAllocateRAMToBuffers( NetworkBufferDescriptor_t pxNetworkBuffers[ ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS ] )
{
static uint8_t ucNetworkPackets[ ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS * niBUFFER_1_PACKET_SIZE ] __attribute__ ( ( aligned( 32 ) ) );
uint8_t *ucRAMBuffer = ucNetworkPackets;
uint32_t ul;
for( ul = 0; ul < ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS; ul++ )
{
pxNetworkBuffers[ ul ].pucEthernetBuffer = ucRAMBuffer + ipBUFFER_PADDING;
*( ( unsigned * ) ucRAMBuffer ) = ( unsigned ) ( &( pxNetworkBuffers[ ul ] ) );
ucRAMBuffer += niBUFFER_1_PACKET_SIZE;
}
}
/*-----------------------------------------------------------*/
BaseType_t xGetPhyLinkStatus( void )
{
BaseType_t xReturn;
if( ( ulPHYLinkStatus & BMSR_LINK_STATUS ) == 0 )
{
xReturn = pdFALSE;
}
else
{
xReturn = pdTRUE;
}
return xReturn;
}
/*-----------------------------------------------------------*/
static void prvEMACHandlerTask( void *pvParameters )
{
TimeOut_t xPhyTime;
TickType_t xPhyRemTime;
UBaseType_t uxLastMinBufferCount = 0;
UBaseType_t uxCurrentCount;
BaseType_t xResult = 0;
uint32_t xStatus;
const TickType_t ulMaxBlockTime = pdMS_TO_TICKS( 100UL );
/* Remove compiler warnings about unused parameters. */
( void ) pvParameters;
/* A possibility to set some additional task properties like calling
portTASK_USES_FLOATING_POINT() */
iptraceEMAC_TASK_STARTING();
vTaskSetTimeOutState( &xPhyTime );
xPhyRemTime = pdMS_TO_TICKS( PHY_LS_LOW_CHECK_TIME_MS );
for( ;; )
{
uxCurrentCount = uxGetMinimumFreeNetworkBuffers();
if( uxLastMinBufferCount != uxCurrentCount )
{
/* The logging produced below may be helpful
while tuning +TCP: see how many buffers are in use. */
uxLastMinBufferCount = uxCurrentCount;
FreeRTOS_printf( ( "Network buffers: %lu lowest %lu\n",
uxGetNumberOfFreeNetworkBuffers(), uxCurrentCount ) );
}
#if( ipconfigCHECK_IP_QUEUE_SPACE != 0 )
{
static UBaseType_t uxLastMinQueueSpace = 0;
uxCurrentCount = uxGetMinimumIPQueueSpace();
if( uxLastMinQueueSpace != uxCurrentCount )
{
/* The logging produced below may be helpful
while tuning +TCP: see how many buffers are in use. */
uxLastMinQueueSpace = uxCurrentCount;
FreeRTOS_printf( ( "Queue space: lowest %lu\n", uxCurrentCount ) );
}
}
#endif /* ipconfigCHECK_IP_QUEUE_SPACE */
if( ( xEMACpsif.isr_events & EMAC_IF_ALL_EVENT ) == 0 )
{
/* No events to process now, wait for the next. */
ulTaskNotifyTake( pdFALSE, ulMaxBlockTime );
}
if( ( xEMACpsif.isr_events & EMAC_IF_RX_EVENT ) != 0 )
{
xEMACpsif.isr_events &= ~EMAC_IF_RX_EVENT;
xResult = emacps_check_rx( &xEMACpsif );
}
if( ( xEMACpsif.isr_events & EMAC_IF_TX_EVENT ) != 0 )
{
xEMACpsif.isr_events &= ~EMAC_IF_TX_EVENT;
emacps_check_tx( &xEMACpsif );
}
if( ( xEMACpsif.isr_events & EMAC_IF_ERR_EVENT ) != 0 )
{
xEMACpsif.isr_events &= ~EMAC_IF_ERR_EVENT;
emacps_check_errors( &xEMACpsif );
}
if( xResult > 0 )
{
/* A packet was received. No need to check for the PHY status now,
but set a timer to check it later on. */
vTaskSetTimeOutState( &xPhyTime );
xPhyRemTime = pdMS_TO_TICKS( PHY_LS_HIGH_CHECK_TIME_MS );
xResult = 0;
}
else if( xTaskCheckForTimeOut( &xPhyTime, &xPhyRemTime ) != pdFALSE )
{
xStatus = ulReadMDIO( PHY_REG_01_BMSR );
if( ( ulPHYLinkStatus & BMSR_LINK_STATUS ) != ( xStatus & BMSR_LINK_STATUS ) )
{
ulPHYLinkStatus = xStatus;
FreeRTOS_printf( ( "prvEMACHandlerTask: PHY LS now %d\n", ( ulPHYLinkStatus & BMSR_LINK_STATUS ) != 0 ) );
}
vTaskSetTimeOutState( &xPhyTime );
if( ( ulPHYLinkStatus & BMSR_LINK_STATUS ) != 0 )
{
xPhyRemTime = pdMS_TO_TICKS( PHY_LS_HIGH_CHECK_TIME_MS );
}
else
{
xPhyRemTime = pdMS_TO_TICKS( PHY_LS_LOW_CHECK_TIME_MS );
}
}
}
}
/*-----------------------------------------------------------*/
/*
FreeRTOS+TCP V2.0.11
Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
http://aws.amazon.com/freertos
http://www.FreeRTOS.org
*/
/* Standard includes. */
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "queue.h"
#include "semphr.h"
/* FreeRTOS+TCP includes. */
#include "FreeRTOS_IP.h"
#include "FreeRTOS_Sockets.h"
#include "FreeRTOS_IP_Private.h"
#include "NetworkBufferManagement.h"
#include "NetworkInterface.h"
/* Xilinx library files. */
#include <xemacps.h>
#include "Zynq/x_topology.h"
#include "Zynq/x_emacpsif.h"
#include "Zynq/x_emacpsif_hw.h"
/* Provided memory configured as uncached. */
#include "uncached_memory.h"
#ifndef BMSR_LINK_STATUS
#define BMSR_LINK_STATUS 0x0004UL
#endif
#ifndef PHY_LS_HIGH_CHECK_TIME_MS
/* Check if the LinkSStatus in the PHY is still high after 15 seconds of not
receiving packets. */
#define PHY_LS_HIGH_CHECK_TIME_MS 15000
#endif
#ifndef PHY_LS_LOW_CHECK_TIME_MS
/* Check if the LinkSStatus in the PHY is still low every second. */
#define PHY_LS_LOW_CHECK_TIME_MS 1000
#endif
/* The size of each buffer when BufferAllocation_1 is used:
http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/Embedded_Ethernet_Buffer_Management.html */
#define niBUFFER_1_PACKET_SIZE 1536
/* Naming and numbering of PHY registers. */
#define PHY_REG_01_BMSR 0x01 /* Basic mode status register */
#ifndef iptraceEMAC_TASK_STARTING
#define iptraceEMAC_TASK_STARTING() do { } while( 0 )
#endif
/* Default the size of the stack used by the EMAC deferred handler task to twice
the size of the stack used by the idle task - but allow this to be overridden in
FreeRTOSConfig.h as configMINIMAL_STACK_SIZE is a user definable constant. */
#ifndef configEMAC_TASK_STACK_SIZE
#define configEMAC_TASK_STACK_SIZE ( 2 * configMINIMAL_STACK_SIZE )
#endif
/*-----------------------------------------------------------*/
/*
* Look for the link to be up every few milliseconds until either xMaxTime time
* has passed or a link is found.
*/
static BaseType_t prvGMACWaitLS( TickType_t xMaxTime );
/*
* A deferred interrupt handler for all MAC/DMA interrupt sources.
*/
static void prvEMACHandlerTask( void *pvParameters );
/*-----------------------------------------------------------*/
/* EMAC data/descriptions. */
static xemacpsif_s xEMACpsif;
struct xtopology_t xXTopology =
{
.emac_baseaddr = XPAR_PS7_ETHERNET_0_BASEADDR,
.emac_type = xemac_type_emacps,
.intc_baseaddr = 0x0,
.intc_emac_intr = 0x0,
.scugic_baseaddr = XPAR_PS7_SCUGIC_0_BASEADDR,
.scugic_emac_intr = 0x36,
};
XEmacPs_Config mac_config =
{
.DeviceId = XPAR_PS7_ETHERNET_0_DEVICE_ID, /**< Unique ID of device */
.BaseAddress = XPAR_PS7_ETHERNET_0_BASEADDR /**< Physical base address of IPIF registers */
};
extern int phy_detected;
/* A copy of PHY register 1: 'PHY_REG_01_BMSR' */
static uint32_t ulPHYLinkStatus = 0;
#if( ipconfigUSE_LLMNR == 1 )
static const uint8_t xLLMNR_MACAddress[] = { 0x01, 0x00, 0x5E, 0x00, 0x00, 0xFC };
#endif
/* ucMACAddress as it appears in main.c */
extern const uint8_t ucMACAddress[ 6 ];
/* Holds the handle of the task used as a deferred interrupt processor. The
handle is used so direct notifications can be sent to the task for all EMAC/DMA
related interrupts. */
TaskHandle_t xEMACTaskHandle = NULL;
/*-----------------------------------------------------------*/
BaseType_t xNetworkInterfaceInitialise( void )
{
uint32_t ulLinkSpeed, ulDMAReg;
BaseType_t xStatus, xLinkStatus;
XEmacPs *pxEMAC_PS;
const TickType_t xWaitLinkDelay = pdMS_TO_TICKS( 7000UL ), xWaitRelinkDelay = pdMS_TO_TICKS( 1000UL );
/* Guard against the init function being called more than once. */
if( xEMACTaskHandle == NULL )
{
pxEMAC_PS = &( xEMACpsif.emacps );
memset( &xEMACpsif, '\0', sizeof( xEMACpsif ) );
xStatus = XEmacPs_CfgInitialize( pxEMAC_PS, &mac_config, mac_config.BaseAddress);
if( xStatus != XST_SUCCESS )
{
FreeRTOS_printf( ( "xEMACInit: EmacPs Configuration Failed....\n" ) );
}
/* Initialize the mac and set the MAC address. */
XEmacPs_SetMacAddress( pxEMAC_PS, ( void * ) ucMACAddress, 1 );
#if( ipconfigUSE_LLMNR == 1 )
{
/* Also add LLMNR multicast MAC address. */
XEmacPs_SetMacAddress( pxEMAC_PS, ( void * )xLLMNR_MACAddress, 2 );
}
#endif /* ipconfigUSE_LLMNR == 1 */
XEmacPs_SetMdioDivisor( pxEMAC_PS, MDC_DIV_224 );
ulLinkSpeed = Phy_Setup( pxEMAC_PS );
XEmacPs_SetOperatingSpeed( pxEMAC_PS, ulLinkSpeed);
/* Setting the operating speed of the MAC needs a delay. */
vTaskDelay( pdMS_TO_TICKS( 25UL ) );
ulDMAReg = XEmacPs_ReadReg( pxEMAC_PS->Config.BaseAddress, XEMACPS_DMACR_OFFSET);
/* DISC_WHEN_NO_AHB: when set, the GEM DMA will automatically discard receive
packets from the receiver packet buffer memory when no AHB resource is available. */
XEmacPs_WriteReg( pxEMAC_PS->Config.BaseAddress, XEMACPS_DMACR_OFFSET,
ulDMAReg | XEMACPS_DMACR_DISC_WHEN_NO_AHB_MASK);
setup_isr( &xEMACpsif );
init_dma( &xEMACpsif );
start_emacps( &xEMACpsif );
prvGMACWaitLS( xWaitLinkDelay );
/* The deferred interrupt handler task is created at the highest
possible priority to ensure the interrupt handler can return directly
to it. The task's handle is stored in xEMACTaskHandle so interrupts can
notify the task when there is something to process. */
xTaskCreate( prvEMACHandlerTask, "EMAC", configEMAC_TASK_STACK_SIZE, NULL, configMAX_PRIORITIES - 1, &xEMACTaskHandle );
}
else
{
/* Initialisation was already performed, just wait for the link. */
prvGMACWaitLS( xWaitRelinkDelay );
}
/* Only return pdTRUE when the Link Status of the PHY is high, otherwise the
DHCP process and all other communication will fail. */
xLinkStatus = xGetPhyLinkStatus();
return ( xLinkStatus != pdFALSE );
}
/*-----------------------------------------------------------*/
BaseType_t xNetworkInterfaceOutput( NetworkBufferDescriptor_t * const pxBuffer, BaseType_t bReleaseAfterSend )
{
if( ( ulPHYLinkStatus & BMSR_LINK_STATUS ) != 0 )
{
iptraceNETWORK_INTERFACE_TRANSMIT();
emacps_send_message( &xEMACpsif, pxBuffer, bReleaseAfterSend );
}
else if( bReleaseAfterSend != pdFALSE )
{
/* No link. */
vReleaseNetworkBufferAndDescriptor( pxBuffer );
}
return pdTRUE;
}
/*-----------------------------------------------------------*/
static inline unsigned long ulReadMDIO( unsigned ulRegister )
{
uint16_t usValue;
XEmacPs_PhyRead( &( xEMACpsif.emacps ), phy_detected, ulRegister, &usValue );
return usValue;
}
/*-----------------------------------------------------------*/
static BaseType_t prvGMACWaitLS( TickType_t xMaxTime )
{
TickType_t xStartTime, xEndTime;
const TickType_t xShortDelay = pdMS_TO_TICKS( 20UL );
BaseType_t xReturn;
xStartTime = xTaskGetTickCount();
for( ;; )
{
xEndTime = xTaskGetTickCount();
if( xEndTime - xStartTime > xMaxTime )
{
xReturn = pdFALSE;
break;
}
ulPHYLinkStatus = ulReadMDIO( PHY_REG_01_BMSR );
if( ( ulPHYLinkStatus & BMSR_LINK_STATUS ) != 0 )
{
xReturn = pdTRUE;
break;
}
vTaskDelay( xShortDelay );
}
return xReturn;
}
/*-----------------------------------------------------------*/
void vNetworkInterfaceAllocateRAMToBuffers( NetworkBufferDescriptor_t pxNetworkBuffers[ ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS ] )
{
static uint8_t ucNetworkPackets[ ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS * niBUFFER_1_PACKET_SIZE ] __attribute__ ( ( aligned( 32 ) ) );
uint8_t *ucRAMBuffer = ucNetworkPackets;
uint32_t ul;
for( ul = 0; ul < ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS; ul++ )
{
pxNetworkBuffers[ ul ].pucEthernetBuffer = ucRAMBuffer + ipBUFFER_PADDING;
*( ( unsigned * ) ucRAMBuffer ) = ( unsigned ) ( &( pxNetworkBuffers[ ul ] ) );
ucRAMBuffer += niBUFFER_1_PACKET_SIZE;
}
}
/*-----------------------------------------------------------*/
BaseType_t xGetPhyLinkStatus( void )
{
BaseType_t xReturn;
if( ( ulPHYLinkStatus & BMSR_LINK_STATUS ) == 0 )
{
xReturn = pdFALSE;
}
else
{
xReturn = pdTRUE;
}
return xReturn;
}
/*-----------------------------------------------------------*/
static void prvEMACHandlerTask( void *pvParameters )
{
TimeOut_t xPhyTime;
TickType_t xPhyRemTime;
UBaseType_t uxLastMinBufferCount = 0;
UBaseType_t uxCurrentCount;
BaseType_t xResult = 0;
uint32_t xStatus;
const TickType_t ulMaxBlockTime = pdMS_TO_TICKS( 100UL );
/* Remove compiler warnings about unused parameters. */
( void ) pvParameters;
/* A possibility to set some additional task properties like calling
portTASK_USES_FLOATING_POINT() */
iptraceEMAC_TASK_STARTING();
vTaskSetTimeOutState( &xPhyTime );
xPhyRemTime = pdMS_TO_TICKS( PHY_LS_LOW_CHECK_TIME_MS );
for( ;; )
{
uxCurrentCount = uxGetMinimumFreeNetworkBuffers();
if( uxLastMinBufferCount != uxCurrentCount )
{
/* The logging produced below may be helpful
while tuning +TCP: see how many buffers are in use. */
uxLastMinBufferCount = uxCurrentCount;
FreeRTOS_printf( ( "Network buffers: %lu lowest %lu\n",
uxGetNumberOfFreeNetworkBuffers(), uxCurrentCount ) );
}
#if( ipconfigCHECK_IP_QUEUE_SPACE != 0 )
{
static UBaseType_t uxLastMinQueueSpace = 0;
uxCurrentCount = uxGetMinimumIPQueueSpace();
if( uxLastMinQueueSpace != uxCurrentCount )
{
/* The logging produced below may be helpful
while tuning +TCP: see how many buffers are in use. */
uxLastMinQueueSpace = uxCurrentCount;
FreeRTOS_printf( ( "Queue space: lowest %lu\n", uxCurrentCount ) );
}
}
#endif /* ipconfigCHECK_IP_QUEUE_SPACE */
if( ( xEMACpsif.isr_events & EMAC_IF_ALL_EVENT ) == 0 )
{
/* No events to process now, wait for the next. */
ulTaskNotifyTake( pdFALSE, ulMaxBlockTime );
}
if( ( xEMACpsif.isr_events & EMAC_IF_RX_EVENT ) != 0 )
{
xEMACpsif.isr_events &= ~EMAC_IF_RX_EVENT;
xResult = emacps_check_rx( &xEMACpsif );
}
if( ( xEMACpsif.isr_events & EMAC_IF_TX_EVENT ) != 0 )
{
xEMACpsif.isr_events &= ~EMAC_IF_TX_EVENT;
emacps_check_tx( &xEMACpsif );
}
if( ( xEMACpsif.isr_events & EMAC_IF_ERR_EVENT ) != 0 )
{
xEMACpsif.isr_events &= ~EMAC_IF_ERR_EVENT;
emacps_check_errors( &xEMACpsif );
}
if( xResult > 0 )
{
/* A packet was received. No need to check for the PHY status now,
but set a timer to check it later on. */
vTaskSetTimeOutState( &xPhyTime );
xPhyRemTime = pdMS_TO_TICKS( PHY_LS_HIGH_CHECK_TIME_MS );
xResult = 0;
}
else if( xTaskCheckForTimeOut( &xPhyTime, &xPhyRemTime ) != pdFALSE )
{
xStatus = ulReadMDIO( PHY_REG_01_BMSR );
if( ( ulPHYLinkStatus & BMSR_LINK_STATUS ) != ( xStatus & BMSR_LINK_STATUS ) )
{
ulPHYLinkStatus = xStatus;
FreeRTOS_printf( ( "prvEMACHandlerTask: PHY LS now %d\n", ( ulPHYLinkStatus & BMSR_LINK_STATUS ) != 0 ) );
}
vTaskSetTimeOutState( &xPhyTime );
if( ( ulPHYLinkStatus & BMSR_LINK_STATUS ) != 0 )
{
xPhyRemTime = pdMS_TO_TICKS( PHY_LS_HIGH_CHECK_TIME_MS );
}
else
{
xPhyRemTime = pdMS_TO_TICKS( PHY_LS_LOW_CHECK_TIME_MS );
}
}
}
}
/*-----------------------------------------------------------*/

50
FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/Zynq/README.txt
View file

@ -1,25 +1,25 @@
NetworkInterface for Xilinx' Zynq
Please include the following source files:
$(PLUS_TCP_PATH)/portable/NetworkInterface/Zynq/NetworkInterface.c
$(PLUS_TCP_PATH)/portable/NetworkInterface/Zynq/x_emacpsif_dma.c
$(PLUS_TCP_PATH)/portable/NetworkInterface/Zynq/x_emacpsif_physpeed.c
$(PLUS_TCP_PATH)/portable/NetworkInterface/Zynq/x_emacpsif_hw.c
And include the following source files from the Xilinx library:
$(CPU_PATH)/$(PROCESSOR)/libsrc/emacps_v2_0/src/xemacps.c
$(CPU_PATH)/$(PROCESSOR)/libsrc/emacps_v2_0/src/xemacps_control.c
$(CPU_PATH)/$(PROCESSOR)/libsrc/emacps_v2_0/src/xemacps_g.c
$(CPU_PATH)/$(PROCESSOR)/libsrc/emacps_v2_0/src/xemacps_intr.c
E.g. ps7_cortexa9_0/libsrc/emacps_v2_0/src/xemacps_intr.c
The following source files are NOT used for the FreeRTOS+TCP interface:
$(CPU_PATH)/$(PROCESSOR)/libsrc/emacps_v2_0/src/xemacps_bdring.c
$(CPU_PATH)/$(PROCESSOR)/libsrc/emacps_v2_0/src/xemacps_hw.c
$(CPU_PATH)/$(PROCESSOR)/libsrc/emacps_v2_0/src/xemacps_sinit.c
NetworkInterface for Xilinx' Zynq
Please include the following source files:
$(PLUS_TCP_PATH)/portable/NetworkInterface/Zynq/NetworkInterface.c
$(PLUS_TCP_PATH)/portable/NetworkInterface/Zynq/x_emacpsif_dma.c
$(PLUS_TCP_PATH)/portable/NetworkInterface/Zynq/x_emacpsif_physpeed.c
$(PLUS_TCP_PATH)/portable/NetworkInterface/Zynq/x_emacpsif_hw.c
And include the following source files from the Xilinx library:
$(CPU_PATH)/$(PROCESSOR)/libsrc/emacps_v2_0/src/xemacps.c
$(CPU_PATH)/$(PROCESSOR)/libsrc/emacps_v2_0/src/xemacps_control.c
$(CPU_PATH)/$(PROCESSOR)/libsrc/emacps_v2_0/src/xemacps_g.c
$(CPU_PATH)/$(PROCESSOR)/libsrc/emacps_v2_0/src/xemacps_intr.c
E.g. ps7_cortexa9_0/libsrc/emacps_v2_0/src/xemacps_intr.c
The following source files are NOT used for the FreeRTOS+TCP interface:
$(CPU_PATH)/$(PROCESSOR)/libsrc/emacps_v2_0/src/xemacps_bdring.c
$(CPU_PATH)/$(PROCESSOR)/libsrc/emacps_v2_0/src/xemacps_hw.c
$(CPU_PATH)/$(PROCESSOR)/libsrc/emacps_v2_0/src/xemacps_sinit.c

132
FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/Zynq/uncached_memory.c
View file

@ -1,132 +0,0 @@
/*
* uncached_memory.c
*
* This module will declare 1 MB of memory and switch off the caching for it.
*
* pucGetUncachedMemory( ulSize ) returns a trunc of this memory with a length
* rounded up to a multiple of 4 KB
*
* ucIsCachedMemory( pucBuffer ) returns non-zero if a given pointer is NOT
* within the range of the 1 MB non-cached memory.
*
*/
/*
* After "_end", 1 MB of uncached memory will be allocated for DMA transfers.
* Both the DMA descriptors as well as all EMAC TX-buffers will be allocated in
* uncached memory.
*/
/* Standard includes. */
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "queue.h"
/* FreeRTOS+TCP includes. */
#include "FreeRTOS_IP.h"
#include "FreeRTOS_Sockets.h"
#include "FreeRTOS_IP_Private.h"
#include "Zynq/x_emacpsif.h"
#include "Zynq/x_topology.h"
#include "xstatus.h"
#include "xparameters.h"
#include "xparameters_ps.h"
#include "xil_exception.h"
#include "xil_mmu.h"
#include "uncached_memory.h"
#define UNCACHED_MEMORY_SIZE 0x100000ul
#define DDR_MEMORY_END (XPAR_PS7_DDR_0_S_AXI_HIGHADDR+1)
static void vInitialiseUncachedMemory( void );
static uint8_t *pucHeadOfMemory;
static uint32_t ulMemorySize;
static uint8_t *pucStartOfMemory = NULL;
uint8_t ucIsCachedMemory( const uint8_t *pucBuffer )
{
uint8_t ucReturn;
if( ( pucStartOfMemory != NULL ) &&
( pucBuffer >= pucStartOfMemory ) &&
( pucBuffer < ( pucStartOfMemory + UNCACHED_MEMORY_SIZE ) ) )
{
ucReturn = pdFALSE;
}
else
{
ucReturn = pdTRUE;
}
return ucReturn;
}
uint8_t *pucGetUncachedMemory( uint32_t ulSize )
{
uint8_t *pucReturn;
if( pucStartOfMemory == NULL )
{
vInitialiseUncachedMemory( );
}
if( ( pucStartOfMemory == NULL ) || ( ulSize > ulMemorySize ) )
{
pucReturn = NULL;
}
else
{
uint32_t ulSkipSize;
pucReturn = pucHeadOfMemory;
ulSkipSize = ( ulSize + 0x1000ul ) & ~0xffful;
pucHeadOfMemory += ulSkipSize;
ulMemorySize -= ulSkipSize;
}
return pucReturn;
}
extern u8 _end;
static void vInitialiseUncachedMemory( )
{
/* At the end of program's space... */
pucStartOfMemory = (uint8_t *) &_end;
/*
* Align the start address to 1 MB boundary.
*/
pucStartOfMemory = (uint8_t *)( ( ( uint32_t )pucStartOfMemory + UNCACHED_MEMORY_SIZE ) & ( ~( UNCACHED_MEMORY_SIZE - 1 ) ) );
if( ( ( u32 )pucStartOfMemory ) + UNCACHED_MEMORY_SIZE > DDR_MEMORY_END )
{
// vLoggingPrintf("vInitialiseUncachedMemory: Can not allocate uncached memory\n" );
}
else
{
/*
* Some objects want to be stored in uncached memory. Hence the 1 MB
* address range that starts after "_end" is made uncached
* by setting appropriate attributes in the translation table.
*/
/* FIXME claudio rossi. Modified to prevent data abort exception (misaligned access)
* when application is compiled with -O1 or more optimization flag.
*/
/* Xil_SetTlbAttributes( ( uint32_t )pucStartOfMemory, 0xc02 ); // addr, attr */
Xil_SetTlbAttributes( ( uint32_t )pucStartOfMemory, 0x1c02 ); // addr, attr
/* For experiments in the SDIO driver, make the remaining uncached memory public */
pucHeadOfMemory = pucStartOfMemory;
ulMemorySize = UNCACHED_MEMORY_SIZE;
memset( pucStartOfMemory, '\0', UNCACHED_MEMORY_SIZE );
}
}

23
FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/Zynq/uncached_memory.h
View file

@ -1,23 +0,0 @@
/*
* uncached_memory.h
*
* This module will declare 1 MB of memory and switch off the caching for it.
*
* pucGetUncachedMemory( ulSize ) returns a trunc of this memory with a length
* rounded up to a multiple of 4 KB
*
* ucIsCachedMemory( pucBuffer ) returns non-zero if a given pointer is NOT
* within the range of the 1 MB non-cached memory.
*
*/
#ifndef UNCACHEMEMORY_H
#define UNCACHEMEMORY_H
uint8_t *pucGetUncachedMemory( uint32_t ulSize );
uint8_t ucIsCachedMemory( const uint8_t *pucBuffer );
#endif /* UNCACHEMEMORY_H */

288
FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/Zynq/x_emacpsif.h
View file

@ -1,144 +1,144 @@
/*
* Copyright (c) 2010-2013 Xilinx, Inc. All rights reserved.
*
* Xilinx, Inc.
* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR
* STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION
* IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE
* FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO
* ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE
* FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef __NETIF_XEMACPSIF_H__
#define __NETIF_XEMACPSIF_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include "xstatus.h"
#include "sleep.h"
#include "xparameters.h"
#include "xparameters_ps.h" /* defines XPAR values */
#include "xil_types.h"
#include "xil_assert.h"
#include "xil_io.h"
#include "xil_exception.h"
#include "xpseudo_asm.h"
#include "xil_cache.h"
#include "xil_printf.h"
#include "xuartps.h"
#include "xscugic.h"
#include "xemacps.h" /* defines XEmacPs API */
//#include "netif/xpqueue.h"
//#include "xlwipconfig.h"
void xemacpsif_setmac(uint32_t index, uint8_t *addr);
uint8_t* xemacpsif_getmac(uint32_t index);
//int xemacpsif_init(struct netif *netif);
//int xemacpsif_input(struct netif *netif);
#ifdef NOTNOW_BHILL
unsigned get_IEEE_phy_speed(XLlTemac *xlltemacp);
#endif
/* xaxiemacif_hw.c */
void xemacps_error_handler(XEmacPs * Temac);
struct xBD_TYPE {
uint32_t address;
uint32_t flags;
};
/*
* Missing declaration in 'src/xemacps_hw.h' :
* When set, the GEM DMA will automatically
* discard receive packets from the receiver packet
* buffer memory when no AHB resource is
* available.
* When low, then received packets will remain to be
* stored in the SRAM based packet buffer until
* AHB buffer resource next becomes available.
*/
#define XEMACPS_DMACR_DISC_WHEN_NO_AHB_MASK 0x01000000
#define EMAC_IF_RX_EVENT 1
#define EMAC_IF_TX_EVENT 2
#define EMAC_IF_ERR_EVENT 4
#define EMAC_IF_ALL_EVENT 7
/* structure within each netif, encapsulating all information required for
* using a particular temac instance
*/
typedef struct {
XEmacPs emacps;
/* pointers to memory holding buffer descriptors (used only with SDMA) */
struct xBD_TYPE *rxSegments;
struct xBD_TYPE *txSegments;
unsigned char *tx_space;
unsigned uTxUnitSize;
char *remain_mem;
unsigned remain_siz;
volatile int rxHead, rxTail;
volatile int txHead, txTail;
volatile int txBusy;
volatile uint32_t isr_events;
unsigned int last_rx_frms_cntr;
} xemacpsif_s;
//extern xemacpsif_s xemacpsif;
int is_tx_space_available(xemacpsif_s *emac);
/* xaxiemacif_dma.c */
struct xNETWORK_BUFFER;
int emacps_check_rx( xemacpsif_s *xemacpsif );
void emacps_check_tx( xemacpsif_s *xemacpsif );
int emacps_check_errors( xemacpsif_s *xemacps );
void emacps_set_rx_buffers( xemacpsif_s *xemacpsif, u32 ulCount );
extern XStatus emacps_send_message(xemacpsif_s *xemacpsif, struct xNETWORK_BUFFER *pxBuffer, int iReleaseAfterSend );
extern unsigned Phy_Setup( XEmacPs *xemacpsp );
extern void setup_isr( xemacpsif_s *xemacpsif );
extern XStatus init_dma( xemacpsif_s *xemacpsif );
extern void start_emacps( xemacpsif_s *xemacpsif );
void EmacEnableIntr(void);
void EmacDisableIntr(void);
XStatus init_axi_dma(xemacpsif_s *xemacpsif);
void process_sent_bds( xemacpsif_s *xemacpsif );
void emacps_send_handler(void *arg);
void emacps_recv_handler(void *arg);
void emacps_error_handler(void *arg,u8 Direction, u32 ErrorWord);
void HandleTxErrors(xemacpsif_s *xemacpsif);
XEmacPs_Config *xemacps_lookup_config(unsigned mac_base);
void clean_dma_txdescs(xemacpsif_s *xemacpsif);
void resetrx_on_no_rxdata(xemacpsif_s *xemacpsif);
#ifdef __cplusplus
}
#endif
#endif /* __NETIF_XAXIEMACIF_H__ */
/*
* Copyright (c) 2010-2013 Xilinx, Inc. All rights reserved.
*
* Xilinx, Inc.
* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR
* STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION
* IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE
* FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO
* ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE
* FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef __NETIF_XEMACPSIF_H__
#define __NETIF_XEMACPSIF_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include "xstatus.h"
#include "sleep.h"
#include "xparameters.h"
#include "xparameters_ps.h" /* defines XPAR values */
#include "xil_types.h"
#include "xil_assert.h"
#include "xil_io.h"
#include "xil_exception.h"
#include "xpseudo_asm.h"
#include "xil_cache.h"
#include "xil_printf.h"
#include "xuartps.h"
#include "xscugic.h"
#include "xemacps.h" /* defines XEmacPs API */
//#include "netif/xpqueue.h"
//#include "xlwipconfig.h"
void xemacpsif_setmac(uint32_t index, uint8_t *addr);
uint8_t* xemacpsif_getmac(uint32_t index);
//int xemacpsif_init(struct netif *netif);
//int xemacpsif_input(struct netif *netif);
#ifdef NOTNOW_BHILL
unsigned get_IEEE_phy_speed(XLlTemac *xlltemacp);
#endif
/* xaxiemacif_hw.c */
void xemacps_error_handler(XEmacPs * Temac);
struct xBD_TYPE {
uint32_t address;
uint32_t flags;
};
/*
* Missing declaration in 'src/xemacps_hw.h' :
* When set, the GEM DMA will automatically
* discard receive packets from the receiver packet
* buffer memory when no AHB resource is
* available.
* When low, then received packets will remain to be
* stored in the SRAM based packet buffer until
* AHB buffer resource next becomes available.
*/
#define XEMACPS_DMACR_DISC_WHEN_NO_AHB_MASK 0x01000000
#define EMAC_IF_RX_EVENT 1
#define EMAC_IF_TX_EVENT 2
#define EMAC_IF_ERR_EVENT 4
#define EMAC_IF_ALL_EVENT 7
/* structure within each netif, encapsulating all information required for
* using a particular temac instance
*/
typedef struct {
XEmacPs emacps;
/* pointers to memory holding buffer descriptors (used only with SDMA) */
struct xBD_TYPE *rxSegments;
struct xBD_TYPE *txSegments;
unsigned char *tx_space;
unsigned uTxUnitSize;
char *remain_mem;
unsigned remain_siz;
volatile int rxHead, rxTail;
volatile int txHead, txTail;
volatile int txBusy;
volatile uint32_t isr_events;
unsigned int last_rx_frms_cntr;
} xemacpsif_s;
//extern xemacpsif_s xemacpsif;
int is_tx_space_available(xemacpsif_s *emac);
/* xaxiemacif_dma.c */
struct xNETWORK_BUFFER;
int emacps_check_rx( xemacpsif_s *xemacpsif );
void emacps_check_tx( xemacpsif_s *xemacpsif );
int emacps_check_errors( xemacpsif_s *xemacps );
void emacps_set_rx_buffers( xemacpsif_s *xemacpsif, u32 ulCount );
extern XStatus emacps_send_message(xemacpsif_s *xemacpsif, struct xNETWORK_BUFFER *pxBuffer, int iReleaseAfterSend );
extern unsigned Phy_Setup( XEmacPs *xemacpsp );
extern void setup_isr( xemacpsif_s *xemacpsif );
extern XStatus init_dma( xemacpsif_s *xemacpsif );
extern void start_emacps( xemacpsif_s *xemacpsif );
void EmacEnableIntr(void);
void EmacDisableIntr(void);
XStatus init_axi_dma(xemacpsif_s *xemacpsif);
void process_sent_bds( xemacpsif_s *xemacpsif );
void emacps_send_handler(void *arg);
void emacps_recv_handler(void *arg);
void emacps_error_handler(void *arg,u8 Direction, u32 ErrorWord);
void HandleTxErrors(xemacpsif_s *xemacpsif);
XEmacPs_Config *xemacps_lookup_config(unsigned mac_base);
void clean_dma_txdescs(xemacpsif_s *xemacpsif);
void resetrx_on_no_rxdata(xemacpsif_s *xemacpsif);
#ifdef __cplusplus
}
#endif
#endif /* __NETIF_XAXIEMACIF_H__ */

1252
FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/Zynq/x_emacpsif_dma.c
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486
FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/Zynq/x_emacpsif_hw.c
View file

@ -1,243 +1,243 @@
/*
* Copyright (c) 2010-2013 Xilinx, Inc. All rights reserved.
*
* Xilinx, Inc.
* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR
* STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION
* IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE
* FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO
* ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE
* FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE.
*
*/
/* Standard includes. */
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "Zynq/x_emacpsif.h"
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "queue.h"
///* FreeRTOS+TCP includes. */
/* FreeRTOS+TCP includes. */
#include "FreeRTOS_IP.h"
#include "FreeRTOS_Sockets.h"
#include "FreeRTOS_IP_Private.h"
#include "NetworkBufferManagement.h"
extern TaskHandle_t xEMACTaskHandle;
/*** IMPORTANT: Define PEEP in xemacpsif.h and sys_arch_raw.c
*** to run it on a PEEP board
***/
unsigned int link_speed = 100;
void setup_isr( xemacpsif_s *xemacpsif )
{
/*
* Setup callbacks
*/
XEmacPs_SetHandler(&xemacpsif->emacps, XEMACPS_HANDLER_DMASEND,
(void *) emacps_send_handler,
(void *) xemacpsif);
XEmacPs_SetHandler(&xemacpsif->emacps, XEMACPS_HANDLER_DMARECV,
(void *) emacps_recv_handler,
(void *) xemacpsif);
XEmacPs_SetHandler(&xemacpsif->emacps, XEMACPS_HANDLER_ERROR,
(void *) emacps_error_handler,
(void *) xemacpsif);
}
void start_emacps (xemacpsif_s *xemacps)
{
/* start the temac */
XEmacPs_Start(&xemacps->emacps);
}
extern struct xtopology_t xXTopology;
volatile int error_msg_count = 0;
volatile const char *last_err_msg = "";
struct xERROR_MSG {
void *arg;
u8 Direction;
u32 ErrorWord;
};
static struct xERROR_MSG xErrorList[ 8 ];
static BaseType_t xErrorHead, xErrorTail;
void emacps_error_handler(void *arg, u8 Direction, u32 ErrorWord)
{
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
xemacpsif_s *xemacpsif;
BaseType_t xNextHead = xErrorHead;
xemacpsif = (xemacpsif_s *)(arg);
if( ( Direction != XEMACPS_SEND ) || (ErrorWord != XEMACPS_TXSR_USEDREAD_MASK ) )
{
if( ++xNextHead == ( sizeof( xErrorList ) / sizeof( xErrorList[ 0 ] ) ) )
xNextHead = 0;
if( xNextHead != xErrorTail )
{
xErrorList[ xErrorHead ].arg = arg;
xErrorList[ xErrorHead ].Direction = Direction;
xErrorList[ xErrorHead ].ErrorWord = ErrorWord;
xErrorHead = xNextHead;
xemacpsif = (xemacpsif_s *)(arg);
xemacpsif->isr_events |= EMAC_IF_ERR_EVENT;
}
if( xEMACTaskHandle != NULL )
{
vTaskNotifyGiveFromISR( xEMACTaskHandle, &xHigherPriorityTaskWoken );
}
}
portYIELD_FROM_ISR( xHigherPriorityTaskWoken );
}
static void emacps_handle_error(void *arg, u8 Direction, u32 ErrorWord);
int emacps_check_errors( xemacpsif_s *xemacps )
{
int xResult;
( void ) xemacps;
if( xErrorHead == xErrorTail )
{
xResult = 0;
}
else
{
xResult = 1;
emacps_handle_error(
xErrorList[ xErrorTail ].arg,
xErrorList[ xErrorTail ].Direction,
xErrorList[ xErrorTail ].ErrorWord );
}
return xResult;
}
BaseType_t xNetworkInterfaceInitialise( void );
static void emacps_handle_error(void *arg, u8 Direction, u32 ErrorWord)
{
xemacpsif_s *xemacpsif;
struct xtopology_t *xtopologyp;
XEmacPs *xemacps;
xemacpsif = (xemacpsif_s *)(arg);
xtopologyp = &xXTopology;
xemacps = &xemacpsif->emacps;
/* Do not appear to be used. */
( void ) xemacps;
( void ) xtopologyp;
last_err_msg = NULL;
if( ErrorWord != 0 )
{
switch (Direction) {
case XEMACPS_RECV:
if( ( ErrorWord & XEMACPS_RXSR_HRESPNOK_MASK ) != 0 )
{
last_err_msg = "Receive DMA error";
xNetworkInterfaceInitialise( );
}
if( ( ErrorWord & XEMACPS_RXSR_RXOVR_MASK ) != 0 )
{
last_err_msg = "Receive over run";
emacps_recv_handler(arg);
}
if( ( ErrorWord & XEMACPS_RXSR_BUFFNA_MASK ) != 0 )
{
last_err_msg = "Receive buffer not available";
emacps_recv_handler(arg);
}
break;
case XEMACPS_SEND:
if( ( ErrorWord & XEMACPS_TXSR_HRESPNOK_MASK ) != 0 )
{
last_err_msg = "Transmit DMA error";
xNetworkInterfaceInitialise( );
}
if( ( ErrorWord & XEMACPS_TXSR_URUN_MASK ) != 0 )
{
last_err_msg = "Transmit under run";
HandleTxErrors( xemacpsif );
}
if( ( ErrorWord & XEMACPS_TXSR_BUFEXH_MASK ) != 0 )
{
last_err_msg = "Transmit buffer exhausted";
HandleTxErrors( xemacpsif );
}
if( ( ErrorWord & XEMACPS_TXSR_RXOVR_MASK ) != 0 )
{
last_err_msg = "Transmit retry excessed limits";
HandleTxErrors( xemacpsif );
}
if( ( ErrorWord & XEMACPS_TXSR_FRAMERX_MASK ) != 0 )
{
last_err_msg = "Transmit collision";
emacps_check_tx( xemacpsif );
}
break;
}
}
// Break on this statement and inspect error_msg if you like
if( last_err_msg != NULL )
{
error_msg_count++;
FreeRTOS_printf( ( "emacps_handle_error: %s\n", last_err_msg ) );
}
}
extern XEmacPs_Config mac_config;
void HandleTxErrors(xemacpsif_s *xemacpsif)
{
u32 netctrlreg;
//taskENTER_CRITICAL()
{
netctrlreg = XEmacPs_ReadReg(xemacpsif->emacps.Config.BaseAddress,
XEMACPS_NWCTRL_OFFSET);
netctrlreg = netctrlreg & (~XEMACPS_NWCTRL_TXEN_MASK);
XEmacPs_WriteReg(xemacpsif->emacps.Config.BaseAddress,
XEMACPS_NWCTRL_OFFSET, netctrlreg);
clean_dma_txdescs( xemacpsif );
netctrlreg = XEmacPs_ReadReg(xemacpsif->emacps.Config.BaseAddress,
XEMACPS_NWCTRL_OFFSET);
netctrlreg = netctrlreg | (XEMACPS_NWCTRL_TXEN_MASK);
XEmacPs_WriteReg(xemacpsif->emacps.Config.BaseAddress,
XEMACPS_NWCTRL_OFFSET, netctrlreg);
}
//taskEXIT_CRITICAL( );
}
/*
* Copyright (c) 2010-2013 Xilinx, Inc. All rights reserved.
*
* Xilinx, Inc.
* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR
* STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION
* IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE
* FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO
* ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE
* FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE.
*
*/
/* Standard includes. */
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "Zynq/x_emacpsif.h"
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "queue.h"
///* FreeRTOS+TCP includes. */
/* FreeRTOS+TCP includes. */
#include "FreeRTOS_IP.h"
#include "FreeRTOS_Sockets.h"
#include "FreeRTOS_IP_Private.h"
#include "NetworkBufferManagement.h"
extern TaskHandle_t xEMACTaskHandle;
/*** IMPORTANT: Define PEEP in xemacpsif.h and sys_arch_raw.c
*** to run it on a PEEP board
***/
unsigned int link_speed = 100;
void setup_isr( xemacpsif_s *xemacpsif )
{
/*
* Setup callbacks
*/
XEmacPs_SetHandler(&xemacpsif->emacps, XEMACPS_HANDLER_DMASEND,
(void *) emacps_send_handler,
(void *) xemacpsif);
XEmacPs_SetHandler(&xemacpsif->emacps, XEMACPS_HANDLER_DMARECV,
(void *) emacps_recv_handler,
(void *) xemacpsif);
XEmacPs_SetHandler(&xemacpsif->emacps, XEMACPS_HANDLER_ERROR,
(void *) emacps_error_handler,
(void *) xemacpsif);
}
void start_emacps (xemacpsif_s *xemacps)
{
/* start the temac */
XEmacPs_Start(&xemacps->emacps);
}
extern struct xtopology_t xXTopology;
volatile int error_msg_count = 0;
volatile const char *last_err_msg = "";
struct xERROR_MSG {
void *arg;
u8 Direction;
u32 ErrorWord;
};
static struct xERROR_MSG xErrorList[ 8 ];
static BaseType_t xErrorHead, xErrorTail;
void emacps_error_handler(void *arg, u8 Direction, u32 ErrorWord)
{
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
xemacpsif_s *xemacpsif;
BaseType_t xNextHead = xErrorHead;
xemacpsif = (xemacpsif_s *)(arg);
if( ( Direction != XEMACPS_SEND ) || (ErrorWord != XEMACPS_TXSR_USEDREAD_MASK ) )
{
if( ++xNextHead == ( sizeof( xErrorList ) / sizeof( xErrorList[ 0 ] ) ) )
xNextHead = 0;
if( xNextHead != xErrorTail )
{
xErrorList[ xErrorHead ].arg = arg;
xErrorList[ xErrorHead ].Direction = Direction;
xErrorList[ xErrorHead ].ErrorWord = ErrorWord;
xErrorHead = xNextHead;
xemacpsif = (xemacpsif_s *)(arg);
xemacpsif->isr_events |= EMAC_IF_ERR_EVENT;
}
if( xEMACTaskHandle != NULL )
{
vTaskNotifyGiveFromISR( xEMACTaskHandle, &xHigherPriorityTaskWoken );
}
}
portYIELD_FROM_ISR( xHigherPriorityTaskWoken );
}
static void emacps_handle_error(void *arg, u8 Direction, u32 ErrorWord);
int emacps_check_errors( xemacpsif_s *xemacps )
{
int xResult;
( void ) xemacps;
if( xErrorHead == xErrorTail )
{
xResult = 0;
}
else
{
xResult = 1;
emacps_handle_error(
xErrorList[ xErrorTail ].arg,
xErrorList[ xErrorTail ].Direction,
xErrorList[ xErrorTail ].ErrorWord );
}
return xResult;
}
BaseType_t xNetworkInterfaceInitialise( void );
static void emacps_handle_error(void *arg, u8 Direction, u32 ErrorWord)
{
xemacpsif_s *xemacpsif;
struct xtopology_t *xtopologyp;
XEmacPs *xemacps;
xemacpsif = (xemacpsif_s *)(arg);
xtopologyp = &xXTopology;
xemacps = &xemacpsif->emacps;
/* Do not appear to be used. */
( void ) xemacps;
( void ) xtopologyp;
last_err_msg = NULL;
if( ErrorWord != 0 )
{
switch (Direction) {
case XEMACPS_RECV:
if( ( ErrorWord & XEMACPS_RXSR_HRESPNOK_MASK ) != 0 )
{
last_err_msg = "Receive DMA error";
xNetworkInterfaceInitialise( );
}
if( ( ErrorWord & XEMACPS_RXSR_RXOVR_MASK ) != 0 )
{
last_err_msg = "Receive over run";
emacps_recv_handler(arg);
}
if( ( ErrorWord & XEMACPS_RXSR_BUFFNA_MASK ) != 0 )
{
last_err_msg = "Receive buffer not available";
emacps_recv_handler(arg);
}
break;
case XEMACPS_SEND:
if( ( ErrorWord & XEMACPS_TXSR_HRESPNOK_MASK ) != 0 )
{
last_err_msg = "Transmit DMA error";
xNetworkInterfaceInitialise( );
}
if( ( ErrorWord & XEMACPS_TXSR_URUN_MASK ) != 0 )
{
last_err_msg = "Transmit under run";
HandleTxErrors( xemacpsif );
}
if( ( ErrorWord & XEMACPS_TXSR_BUFEXH_MASK ) != 0 )
{
last_err_msg = "Transmit buffer exhausted";
HandleTxErrors( xemacpsif );
}
if( ( ErrorWord & XEMACPS_TXSR_RXOVR_MASK ) != 0 )
{
last_err_msg = "Transmit retry excessed limits";
HandleTxErrors( xemacpsif );
}
if( ( ErrorWord & XEMACPS_TXSR_FRAMERX_MASK ) != 0 )
{
last_err_msg = "Transmit collision";
emacps_check_tx( xemacpsif );
}
break;
}
}
// Break on this statement and inspect error_msg if you like
if( last_err_msg != NULL )
{
error_msg_count++;
FreeRTOS_printf( ( "emacps_handle_error: %s\n", last_err_msg ) );
}
}
extern XEmacPs_Config mac_config;
void HandleTxErrors(xemacpsif_s *xemacpsif)
{
u32 netctrlreg;
//taskENTER_CRITICAL()
{
netctrlreg = XEmacPs_ReadReg(xemacpsif->emacps.Config.BaseAddress,
XEMACPS_NWCTRL_OFFSET);
netctrlreg = netctrlreg & (~XEMACPS_NWCTRL_TXEN_MASK);
XEmacPs_WriteReg(xemacpsif->emacps.Config.BaseAddress,
XEMACPS_NWCTRL_OFFSET, netctrlreg);
clean_dma_txdescs( xemacpsif );
netctrlreg = XEmacPs_ReadReg(xemacpsif->emacps.Config.BaseAddress,
XEMACPS_NWCTRL_OFFSET);
netctrlreg = netctrlreg | (XEMACPS_NWCTRL_TXEN_MASK);
XEmacPs_WriteReg(xemacpsif->emacps.Config.BaseAddress,
XEMACPS_NWCTRL_OFFSET, netctrlreg);
}
//taskEXIT_CRITICAL( );
}

78
FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/Zynq/x_emacpsif_hw.h
View file

@ -1,39 +1,39 @@
/*
* Copyright (c) 2010-2013 Xilinx, Inc. All rights reserved.
*
* Xilinx, Inc.
* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR
* STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION
* IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE
* FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO
* ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE
* FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef __XEMACPSIF_HW_H_
#define __XEMACPSIF_HW_H_
#include "Zynq/x_emacpsif.h"
//#include "lwip/netif.h"
#ifdef __cplusplus
extern "C" {
#endif
XEmacPs_Config * lookup_config(unsigned mac_base);
//void init_emacps(xemacpsif_s *xemacpsif, struct netif *netif);
int emacps_check_errors( xemacpsif_s *xemacps );
#ifdef __cplusplus
}
#endif
#endif
/*
* Copyright (c) 2010-2013 Xilinx, Inc. All rights reserved.
*
* Xilinx, Inc.
* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR
* STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION
* IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE
* FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO
* ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE
* FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef __XEMACPSIF_HW_H_
#define __XEMACPSIF_HW_H_
#include "Zynq/x_emacpsif.h"
//#include "lwip/netif.h"
#ifdef __cplusplus
extern "C" {
#endif
XEmacPs_Config * lookup_config(unsigned mac_base);
//void init_emacps(xemacpsif_s *xemacpsif, struct netif *netif);
int emacps_check_errors( xemacpsif_s *xemacps );
#ifdef __cplusplus
}
#endif
#endif

1170
FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/Zynq/x_emacpsif_physpeed.c
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File diff suppressed because it is too large Load diff

92
FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/Zynq/x_topology.h
View file

@ -1,46 +1,46 @@
/*
* Copyright (c) 2007-2013 Xilinx, Inc. All rights reserved.
*
* Xilinx, Inc.
* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR
* STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION
* IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE
* FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO
* ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE
* FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef __XTOPOLOGY_H_
#define __XTOPOLOGY_H_
#ifdef __cplusplus
extern "C" {
#endif
enum xemac_types { xemac_type_unknown = -1, xemac_type_xps_emaclite, xemac_type_xps_ll_temac, xemac_type_axi_ethernet, xemac_type_emacps };
struct xtopology_t {
unsigned emac_baseaddr;
enum xemac_types emac_type;
unsigned intc_baseaddr;
unsigned intc_emac_intr; /* valid only for xemac_type_xps_emaclite */
unsigned scugic_baseaddr; /* valid only for Zynq */
unsigned scugic_emac_intr; /* valid only for GEM */
};
extern int x_topology_n_emacs;
extern struct xtopology_t x_topology[];
int x_topology_find_index(unsigned base);
#ifdef __cplusplus
}
#endif
#endif
/*
* Copyright (c) 2007-2013 Xilinx, Inc. All rights reserved.
*
* Xilinx, Inc.
* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR
* STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION
* IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE
* FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO
* ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE
* FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef __XTOPOLOGY_H_
#define __XTOPOLOGY_H_
#ifdef __cplusplus
extern "C" {
#endif
enum xemac_types { xemac_type_unknown = -1, xemac_type_xps_emaclite, xemac_type_xps_ll_temac, xemac_type_axi_ethernet, xemac_type_emacps };
struct xtopology_t {
unsigned emac_baseaddr;
enum xemac_types emac_type;
unsigned intc_baseaddr;
unsigned intc_emac_intr; /* valid only for xemac_type_xps_emaclite */
unsigned scugic_baseaddr; /* valid only for Zynq */
unsigned scugic_emac_intr; /* valid only for GEM */
};
extern int x_topology_n_emacs;
extern struct xtopology_t x_topology[];
int x_topology_find_index(unsigned base);
#ifdef __cplusplus
}
#endif
#endif