+++ /dev/null
-/*
- * 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.
- *
- */
-
-#include "netif/xemacpsif.h"
-#include "lwipopts.h"
-
-/*** IMPORTANT: Define PEEP in xemacpsif.h and sys_arch_raw.c
- *** to run it on a PEEP board
- ***/
-
-unsigned int link_speed = 100;
-
-XEmacPs_Config *xemacps_lookup_config(unsigned mac_base)
-{
- extern XEmacPs_Config XEmacPs_ConfigTable[];
- XEmacPs_Config *CfgPtr = NULL;
- int i;
-
- for (i = 0; i < XPAR_XEMACPS_NUM_INSTANCES; i++) {
- if (XEmacPs_ConfigTable[i].BaseAddress == mac_base) {
- CfgPtr = &XEmacPs_ConfigTable[i];
- break;
- }
- }
-
- return (CfgPtr);
-}
-
-void init_emacps(xemacpsif_s *xemacps, struct netif *netif)
-{
- unsigned mac_address = (unsigned)(netif->state);
- XEmacPs *xemacpsp;
- XEmacPs_Config *mac_config;
- int Status = XST_SUCCESS;
-
- /* obtain config of this emac */
- mac_config = (XEmacPs_Config *)xemacps_lookup_config(mac_address);
-
- /* Does not appear to be used. */
- ( void ) mac_config;
-
- xemacpsp = &xemacps->emacps;
-
- /* set mac address */
- Status = XEmacPs_SetMacAddress(xemacpsp, (void*)(netif->hwaddr), 1);
- if (Status != XST_SUCCESS) {
- xil_printf("In %s:Emac Mac Address set failed...\r\n",__func__);
- }
- XEmacPs_SetMdioDivisor(xemacpsp, MDC_DIV_224);
- link_speed = Phy_Setup(xemacpsp);
- XEmacPs_SetOperatingSpeed(xemacpsp, link_speed);
- /* Setting the operating speed of the MAC needs a delay. */
- {
- volatile int wait;
- for (wait=0; wait < 20000; wait++);
- }
-}
-
-void init_emacps_on_error (xemacpsif_s *xemacps, struct netif *netif)
-{
- unsigned mac_address = (unsigned)(netif->state);
- XEmacPs *xemacpsp;
- XEmacPs_Config *mac_config;
- int Status = XST_SUCCESS;
-
- /* obtain config of this emac */
- mac_config = (XEmacPs_Config *)xemacps_lookup_config(mac_address);
-
- /* Does not appear to be used? */
- ( void ) mac_config;
-
- xemacpsp = &xemacps->emacps;
-
- /* set mac address */
- Status = XEmacPs_SetMacAddress(xemacpsp, (void*)(netif->hwaddr), 1);
- if (Status != XST_SUCCESS) {
- xil_printf("In %s:Emac Mac Address set failed...\r\n",__func__);
- }
-
- XEmacPs_SetOperatingSpeed(xemacpsp, link_speed);
-
- /* Setting the operating speed of the MAC needs a delay. */
- {
- volatile int wait;
- for (wait=0; wait < 20000; wait++);
- }
-}
-
-void setup_isr (struct xemac_s *xemac)
-{
- xemacpsif_s *xemacpsif;
-
- xemacpsif = (xemacpsif_s *)(xemac->state);
- /*
- * Setup callbacks
- */
- XEmacPs_SetHandler(&xemacpsif->emacps, XEMACPS_HANDLER_DMASEND,
- (void *) emacps_send_handler,
- (void *) xemac);
-
- XEmacPs_SetHandler(&xemacpsif->emacps, XEMACPS_HANDLER_DMARECV,
- (void *) emacps_recv_handler,
- (void *) xemac);
-
- XEmacPs_SetHandler(&xemacpsif->emacps, XEMACPS_HANDLER_ERROR,
- (void *) emacps_error_handler,
- (void *) xemac);
-}
-
-void start_emacps (xemacpsif_s *xemacps)
-{
- /* start the temac */
- XEmacPs_Start(&xemacps->emacps);
-}
-
-void restart_emacps_transmitter (xemacpsif_s *xemacps) {
- u32 Reg;
- Reg = XEmacPs_ReadReg(xemacps->emacps.Config.BaseAddress,
- XEMACPS_NWCTRL_OFFSET);
- Reg = Reg & (~XEMACPS_NWCTRL_TXEN_MASK);
- XEmacPs_WriteReg(xemacps->emacps.Config.BaseAddress,
- XEMACPS_NWCTRL_OFFSET, Reg);
-
- Reg = XEmacPs_ReadReg(xemacps->emacps.Config.BaseAddress,
- XEMACPS_NWCTRL_OFFSET);
- Reg = Reg | (XEMACPS_NWCTRL_TXEN_MASK);
- XEmacPs_WriteReg(xemacps->emacps.Config.BaseAddress,
- XEMACPS_NWCTRL_OFFSET, Reg);
-}
-
-void emacps_error_handler(void *arg,u8 Direction, u32 ErrorWord)
-{
- struct xemac_s *xemac;
- xemacpsif_s *xemacpsif;
- struct xtopology_t *xtopologyp;
- XEmacPs *xemacps;
- XEmacPs_BdRing *rxring;
- XEmacPs_BdRing *txring;
-
- xemac = (struct xemac_s *)(arg);
- xemacpsif = (xemacpsif_s *)(xemac->state);
- rxring = &XEmacPs_GetRxRing(&xemacpsif->emacps);
- txring = &XEmacPs_GetRxRing(&xemacpsif->emacps);
- xtopologyp = &xtopology[xemac->topology_index];
- xemacps = &xemacpsif->emacps;
-
- /* Do not appear to be used. */
- ( void ) xemacps;
- ( void ) xtopologyp;
-
- if (ErrorWord != 0) {
- switch (Direction) {
- case XEMACPS_RECV:
- if (ErrorWord & XEMACPS_RXSR_HRESPNOK_MASK) {
- LWIP_DEBUGF(NETIF_DEBUG, ("Receive DMA error\r\n"));
- HandleEmacPsError(xemac);
- }
- if (ErrorWord & XEMACPS_RXSR_RXOVR_MASK) {
- LWIP_DEBUGF(NETIF_DEBUG, ("Receive over run\r\n"));
- emacps_recv_handler(arg);
- setup_rx_bds(rxring);
- }
- if (ErrorWord & XEMACPS_RXSR_BUFFNA_MASK) {
- LWIP_DEBUGF(NETIF_DEBUG, ("Receive buffer not available\r\n"));
- emacps_recv_handler(arg);
- setup_rx_bds(rxring);
- }
- break;
- case XEMACPS_SEND:
- if (ErrorWord & XEMACPS_TXSR_HRESPNOK_MASK) {
- LWIP_DEBUGF(NETIF_DEBUG, ("Transmit DMA error\r\n"));
- HandleEmacPsError(xemac);
- }
- if (ErrorWord & XEMACPS_TXSR_URUN_MASK) {
- LWIP_DEBUGF(NETIF_DEBUG, ("Transmit under run\r\n"));
- HandleTxErrors(xemac);
- }
- if (ErrorWord & XEMACPS_TXSR_BUFEXH_MASK) {
- LWIP_DEBUGF(NETIF_DEBUG, ("Transmit buffer exhausted\r\n"));
- HandleTxErrors(xemac);
- }
- if (ErrorWord & XEMACPS_TXSR_RXOVR_MASK) {
- LWIP_DEBUGF(NETIF_DEBUG, ("Transmit retry excessed limits\r\n"));
- HandleTxErrors(xemac);
- }
- if (ErrorWord & XEMACPS_TXSR_FRAMERX_MASK) {
- LWIP_DEBUGF(NETIF_DEBUG, ("Transmit collision\r\n"));
- process_sent_bds(txring);
- }
- break;
- }
- }
-}
projects / freertos / blobdiff