Merged r9433:9527 from features/gr-usrp2 into trunk. Adds usrp2 and gr-usrp2 top...

[debian/gnuradio] / usrp2 / firmware / lib / eth_mac_regs.h

diff --git a/usrp2/firmware/lib/eth_mac_regs.h b/usrp2/firmware/lib/eth_mac_regs.h
new file mode 100644 (file)
index 0000000..bb6d251
--- /dev/null
+++ b/usrp2/firmware/lib/eth_mac_regs.h
@@ -0,0 +1,97 @@
+/* -*- c -*- */
+/*
+ * Copyright 2007 Free Software Foundation, Inc.
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ */
+
+#ifndef INCLUDED_ETH_MAC_REGS_H
+#define INCLUDED_ETH_MAC_REGS_H
+
+/*
+ * See opencores.org 10_100_1000 Mbps Tri-mode Ethernet MAC Specification
+ *
+ * In reality, these are 16-bit regs, but are assigned
+ * on 32-bit boundaries.  Because we're little endian,
+ * declaring them "int" works.
+ */
+typedef struct {
+  volatile int tx_hwmark;
+  volatile int tx_lwmark;
+
+  //! if set, send pause frames automatically
+  volatile int pause_frame_send_en;
+
+  //! quanta value for pause frame in units of 512 bit times.
+  volatile int pause_quanta_set;
+
+  volatile int ifg_set;
+  volatile int full_duplex;
+  volatile int max_retry;
+  volatile int mac_tx_add_en;
+  volatile int mac_tx_add_prom_data;
+  volatile int mac_tx_add_prom_add;
+  volatile int mac_tx_add_prom_wr;
+
+  //! if set, other end can pause us (i.e., we pay attention to pause frames)
+  volatile int tx_pause_en;
+
+  // Flow Control high and low water marks
+  //! when space available (in 32-bit lines) > hwmark, send un-pause frame
+  volatile int fc_hwmark;      
+
+  //! when space avail (in 32-bit lines) < lwmark, send pause frame
+  volatile int fc_lwmark;      
+
+  volatile int mac_rx_add_chk_en;
+  volatile int mac_rx_add_prom_data;
+  volatile int mac_rx_add_prom_add;
+  volatile int mac_rx_add_prom_wr;
+  volatile int broadcast_filter_en;
+  volatile int broadcast_bucket_depth;
+  volatile int broadcast_bucket_interval;
+  volatile int rx_append_crc;
+  volatile int rx_hwmark;
+  volatile int rx_lwmark;
+  volatile int crc_chk_en;
+  volatile int rx_ifg_set;
+  volatile int rx_max_length;
+  volatile int rx_min_length;
+  volatile int rmon_rd_addr;           // performance counter access
+  volatile int rmon_rd_apply;          
+  volatile int rmon_rd_grant;          // READONLY
+  volatile int rmon_rd_dout;           // READONLY
+  volatile int dummy;  // READONLY
+  volatile int line_loop_en;
+  volatile int speed;
+  volatile int miimoder;
+  volatile int miicommand;
+  volatile int miiaddress;
+  volatile int miitx_data;
+  volatile int miirx_data;
+  volatile int miistatus;
+} eth_mac_regs_t;
+
+// miicommand register
+#define MIIC_SCANSSTAT (1 << 0)        // Scan status
+#define MIIC_RSTAT      (1 << 1)       // Read status
+#define        MIIC_WCTRLDATA  (1 << 2)        // Write control data
+
+// miistatus register
+#define MIIS_LINKFAIL  (1 << 0)        // The link failed
+#define        MIIS_BUSY       (1 << 1)        // The MII is busy (operation in progress)
+#define        MIIS_NVALID     (1 << 2)        // The data in the status register is invalid
+                                       //   This it is only valid when the scan status is active.
+
+#endif /* INCLUDED_ETH_MAC_REGS_H */