1 files changed, 93 insertions, 0 deletions
diff --git a/os/io/platforms/AT91SAM7X/sam7x_emac.h b/os/io/platforms/AT91SAM7X/sam7x_emac.h
new file mode 100644
index 000000000..de81fe4c6
--- /dev/null
+++ b/os/io/platforms/AT91SAM7X/sam7x_emac.h
@@ -0,0 +1,93 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
+
+    This file is part of ChibiOS/RT.
+
+    ChibiOS/RT is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/RT is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file AT91SAM7X/sam7x_emac.h
+ * @brief AT91SAM7X EMAC driver macros and structures.
+ * @addtogroup AT91SAM7X_EMAC
+ * @{
+ */
+
+#ifndef _SAM7X_EMAC_H_
+#define _SAM7X_EMAC_H_
+
+#define PHY_ADDRESS 1
+
+#define EMAC_RECEIVE_BUFFERS            24
+#define EMAC_RECEIVE_BUFFERS_SIZE       128
+#define EMAC_TRANSMIT_BUFFERS           2
+#define EMAC_TRANSMIT_BUFFERS_SIZE      1518
+
+typedef struct {
+  uint32_t      w1;
+  uint32_t      w2;
+} BufDescriptorEntry;
+
+#define W1_R_OWNERSHIP          0x00000001
+#define W1_R_WRAP               0x00000002
+#define W1_R_ADDRESS_MASK       0xFFFFFFFC
+
+#define W2_R_LENGTH_MASK        0x00000FFF
+#define W2_R_FRAME_START        0x00004000
+#define W2_R_FRAME_END          0x00008000
+#define W2_R_CFI                0x00010000
+#define W2_R_VLAN_PRIO_MASK     0x000E0000
+#define W2_R_PRIO_TAG_DETECTED  0x00100000
+#define W2_R_VLAN_TAG_DETECTED  0x00200000
+#define W2_R_TYPE_ID_MATCH      0x00400000
+#define W2_R_ADDR4_MATCH        0x00800000
+#define W2_R_ADDR3_MATCH        0x01000000
+#define W2_R_ADDR2_MATCH        0x02000000
+#define W2_R_ADDR1_MATCH        0x04000000
+#define W2_R_RFU1               0x08000000
+#define W2_R_ADDR_EXT_MATCH     0x10000000
+#define W2_R_UNICAST_MATCH      0x20000000
+#define W2_R_MULTICAST_MATCH    0x40000000
+#define W2_R_BROADCAST_DETECTED 0x80000000
+
+#define W2_T_LENGTH_MASK        0x000007FF
+#define W2_T_LOCKED             0x00000800 /* Not an EMAC flag, used by the driver */
+#define W2_T_RFU1               0x00003000
+#define W2_T_LAST_BUFFER        0x00008000
+#define W2_T_NO_CRC             0x00010000
+#define W2_T_RFU2               0x07FE0000
+#define W2_T_BUFFERS_EXHAUSTED  0x08000000
+#define W2_T_TRANSMIT_UNDERRUN  0x10000000
+#define W2_T_RETRY_LIMIT_EXC    0x20000000
+#define W2_T_WRAP               0x40000000
+#define W2_T_USED               0x80000000
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void emac_init(int prio);
+  void EMACSetAddress(const uint8_t *eaddr);
+  bool_t EMACGetLinkStatus(void);
+  BufDescriptorEntry *EMACGetTransmitBuffer(void);
+  void EMACTransmit(BufDescriptorEntry *cptr, size_t size);
+  bool_t EMACReceive(uint8_t *buf, size_t *sizep);
+#ifdef __cplusplus
+}
+#endif
+
+extern EventSource EMACFrameTransmitted, EMACFrameReceived;
+
+#endif /* _SAM7X_EMAC_H_ */
+
+/** @} */