1 files changed, 143 insertions, 0 deletions
diff --git a/FreeRTOS-Labs/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/Zynq/x_emacpsif.h b/FreeRTOS-Labs/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/Zynq/x_emacpsif.h
new file mode 100644
index 000000000..a38ec81d7
--- /dev/null
+++ b/FreeRTOS-Labs/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/Zynq/x_emacpsif.h
@@ -0,0 +1,143 @@
+/*
+ * 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 "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__ */