2 * Copyright (c) 2010-2013 Xilinx, Inc. All rights reserved.
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5 * XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
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6 * COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
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7 * ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR
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8 * STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION
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9 * IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE
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10 * FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
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11 * XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
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12 * THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO
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13 * ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE
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14 * FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY
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15 * AND FITNESS FOR A PARTICULAR PURPOSE.
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19 #ifndef __NETIF_XEMACPSIF_H__
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20 #define __NETIF_XEMACPSIF_H__
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28 #include "xstatus.h"
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30 #include "xparameters.h"
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31 #include "xparameters_ps.h" /* defines XPAR values */
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32 #include "xil_types.h"
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33 #include "xil_assert.h"
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35 #include "xil_exception.h"
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36 #include "xpseudo_asm.h"
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37 #include "xil_cache.h"
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38 #include "xuartps.h"
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39 #include "xscugic.h"
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40 #include "xemacps.h" /* defines XEmacPs API */
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42 //#include "netif/xpqueue.h"
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43 //#include "xlwipconfig.h"
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45 void xemacpsif_setmac(uint32_t index, uint8_t *addr);
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46 uint8_t* xemacpsif_getmac(uint32_t index);
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47 //int xemacpsif_init(struct netif *netif);
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48 //int xemacpsif_input(struct netif *netif);
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50 unsigned get_IEEE_phy_speed(XLlTemac *xlltemacp);
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53 /* xaxiemacif_hw.c */
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54 void xemacps_error_handler(XEmacPs * Temac);
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62 * Missing declaration in 'src/xemacps_hw.h' :
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63 * When set, the GEM DMA will automatically
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64 * discard receive packets from the receiver packet
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65 * buffer memory when no AHB resource is
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67 * When low, then received packets will remain to be
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68 * stored in the SRAM based packet buffer until
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69 * AHB buffer resource next becomes available.
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71 #define XEMACPS_DMACR_DISC_WHEN_NO_AHB_MASK 0x01000000
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73 #define EMAC_IF_RX_EVENT 1
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74 #define EMAC_IF_TX_EVENT 2
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75 #define EMAC_IF_ERR_EVENT 4
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76 #define EMAC_IF_ALL_EVENT 7
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78 /* structure within each netif, encapsulating all information required for
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79 * using a particular temac instance
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84 /* pointers to memory holding buffer descriptors (used only with SDMA) */
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85 struct xBD_TYPE *rxSegments;
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86 struct xBD_TYPE *txSegments;
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88 unsigned char *tx_space;
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89 unsigned uTxUnitSize;
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92 unsigned remain_siz;
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94 volatile int rxHead, rxTail;
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95 volatile int txHead, txTail;
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97 volatile int txBusy;
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99 volatile uint32_t isr_events;
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101 unsigned int last_rx_frms_cntr;
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105 //extern xemacpsif_s xemacpsif;
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107 int is_tx_space_available(xemacpsif_s *emac);
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109 /* xaxiemacif_dma.c */
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111 struct xNETWORK_BUFFER;
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113 int emacps_check_rx( xemacpsif_s *xemacpsif );
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114 void emacps_check_tx( xemacpsif_s *xemacpsif );
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115 int emacps_check_errors( xemacpsif_s *xemacps );
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116 void emacps_set_rx_buffers( xemacpsif_s *xemacpsif, u32 ulCount );
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118 extern XStatus emacps_send_message(xemacpsif_s *xemacpsif, struct xNETWORK_BUFFER *pxBuffer, int iReleaseAfterSend );
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119 extern unsigned Phy_Setup( XEmacPs *xemacpsp );
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120 extern void setup_isr( xemacpsif_s *xemacpsif );
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121 extern XStatus init_dma( xemacpsif_s *xemacpsif );
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122 extern void start_emacps( xemacpsif_s *xemacpsif );
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124 void EmacEnableIntr(void);
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125 void EmacDisableIntr(void);
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127 XStatus init_axi_dma(xemacpsif_s *xemacpsif);
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128 void process_sent_bds( xemacpsif_s *xemacpsif );
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130 void emacps_send_handler(void *arg);
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131 void emacps_recv_handler(void *arg);
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132 void emacps_error_handler(void *arg,u8 Direction, u32 ErrorWord);
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133 void HandleTxErrors(xemacpsif_s *xemacpsif);
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134 XEmacPs_Config *xemacps_lookup_config(unsigned mac_base);
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136 void clean_dma_txdescs(xemacpsif_s *xemacpsif);
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137 void resetrx_on_no_rxdata(xemacpsif_s *xemacpsif);
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143 #endif /* __NETIF_XAXIEMACIF_H__ */
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