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authorpatrick-here <patrick.connolly@ettus.com>2016-01-18 11:03:05 -0800
committerAshish Chaudhari <ashish@ettus.com>2016-01-18 15:57:49 -0800
commit79c20e228dc05d1e0cfa1472f72bf31906213350 (patch)
tree6eac0262407bf9faa72b3f46a32d8c9f859a587d
parent4e583460be6b107b9cc95be38b01266ba8c3198f (diff)
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x300: Fixes bug#768 and a firmware hang issue with Eth Port 0 with the XGS image
-rw-r--r--firmware/usrp3/lib/ethernet.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/firmware/usrp3/lib/ethernet.c b/firmware/usrp3/lib/ethernet.c
index 743aedf68..e9c18528d 100644
--- a/firmware/usrp3/lib/ethernet.c
+++ b/firmware/usrp3/lib/ethernet.c
@@ -312,10 +312,9 @@ static void xge_mac_init(const uint32_t base)
}
// base is pointer to XGE MAC on Wishbone.
-static void xge_phy_init(const uint8_t eth, const uint32_t mdio_port_arg)
+static void xge_phy_init(const uint8_t eth, const uint32_t mdio_port)
{
int x;
- uint32_t mdio_port = eth==0 ? 1 : mdio_port_arg;
// Read LASI Ctrl register to capture state.
//y = xge_read_mdio(0x9002,XGE_MDIO_DEVICE_PMA,XGE_MDIO_ADDR_PHY_A);
UHD_FW_TRACE(DEBUG, "Begining XGE PHY init sequence.");
@@ -323,8 +322,10 @@ static void xge_phy_init(const uint8_t eth, const uint32_t mdio_port_arg)
x = read_mdio(eth, 0x0, XGE_MDIO_DEVICE_PMA,mdio_port);
x = x | (1 << 15);
write_mdio(eth, 0x0,XGE_MDIO_DEVICE_PMA,mdio_port,x);
+ uint32_t loopCount = 0;
while(x&(1<<15)) {
x = read_mdio(eth, 0x0,XGE_MDIO_DEVICE_PMA,mdio_port);
+ if( loopCount++ > 200 ) break; // usually succeeds after 22 or 23 polls
}
}