From 7e013c464ce04a7dc559a3f2798559c0716ccae8 Mon Sep 17 00:00:00 2001
From: Eric Blossom <eb@comsec.com>
Date: Tue, 1 Sep 2009 18:43:07 -0700
Subject: [PATCH] tell s/w link is up.  additional debugging output

---
 usrp2/firmware/apps/gen_eth_packets.c | 12 ++++++++++--
 usrp2/firmware/lib/eth_mac.c          |  7 ++++---
 usrp2/firmware/lib/ethernet.c         |  4 ++++
 3 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/usrp2/firmware/apps/gen_eth_packets.c b/usrp2/firmware/apps/gen_eth_packets.c
index b81f60da..dd299675 100644
--- a/usrp2/firmware/apps/gen_eth_packets.c
+++ b/usrp2/firmware/apps/gen_eth_packets.c
@@ -147,6 +147,9 @@ main(void)
     link_is_up = true;
   }
   */
+
+  link_is_up = true;		/* FIXME tell s/w link is up */
+
   // fire off a receive from the ethernet
   bp_receive_to_buf(CPU_RX_BUF, PORT_ETH, 1, 0, BP_LAST_LINE);
 
@@ -160,10 +163,15 @@ main(void)
     }
 
     if (status & (BPS_DONE(CPU_TX_BUF) | BPS_ERROR(CPU_TX_BUF))){
+      if (status & BPS_ERROR(CPU_TX_BUF)){
+	putchar('E');
+      }
       bp_clear_buf(CPU_TX_BUF);
       npackets_sent++;
-      if ((npackets_sent & 0xF) == 0)	// print after every 16 packets
-	print_rmon_regs();
+      if ((npackets_sent & 0xF) == 0){	// print after every 16 packets
+	//print_rmon_regs();
+	putchar('.');
+      }
     }
 
     if (link_is_up && send_packet_now && (status & BPS_IDLE(CPU_TX_BUF))){
diff --git a/usrp2/firmware/lib/eth_mac.c b/usrp2/firmware/lib/eth_mac.c
index 41690af9..f38ea65f 100644
--- a/usrp2/firmware/lib/eth_mac.c
+++ b/usrp2/firmware/lib/eth_mac.c
@@ -118,8 +118,9 @@ eth_mac_miim_read(int addr)
   while((eth_mac->miistatus & MIIS_BUSY) != 0)
     ;
 
-  printf("MIIM-READ ADDR %d DATA %d\n",addr, eth_mac->miirx_data);
-  return eth_mac->miirx_data;
+  int r = eth_mac->miirx_data;
+  printf("MIIM-READ ADDR 0x%x DATA 0x%x\n",addr, r);
+  return r;
 }
 
 void
@@ -130,7 +131,7 @@ eth_mac_miim_write(int addr, int value)
   eth_mac->miitx_data = value;
   eth_mac->miicommand = MIIC_WCTRLDATA;
 
-  printf("MIIM-WRITE ADDR %d VAL %d\n",addr,value);
+  printf("MIIM-WRITE ADDR 0x%x VAL 0x%x\n",addr,value);
   while((eth_mac->miistatus & MIIS_BUSY) != 0)
     ;
 }
diff --git a/usrp2/firmware/lib/ethernet.c b/usrp2/firmware/lib/ethernet.c
index 32d2e39b..f554e017 100644
--- a/usrp2/firmware/lib/ethernet.c
+++ b/usrp2/firmware/lib/ethernet.c
@@ -259,6 +259,10 @@ ethernet_init(void)
   t &= ~(NWAY_AR_10T_HD_CAPS | NWAY_AR_10T_FD_CAPS | NWAY_AR_100TX_HD_CAPS | NWAY_AR_100TX_FD_CAPS);
 
   eth_mac_miim_write(PHY_AUTONEG_ADV, t);
+  int r = eth_mac_miim_read(PHY_AUTONEG_ADV);  		// DEBUG, read back
+  if (t != r){
+    printf("PHY_AUTONEG_ADV: wrote 0x%x, got 0x%x\n", t, r);
+  }
 
   // Restart autonegotation.  
   // We want to ensure that we're advertising our PAUSE capabilities.
-- 
2.30.2