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authorManikandan Pillai <mani.pillai@ti.com>2009-04-07 14:27:31 +0530
committerJustin Waters <justin.waters@timesys.com>2009-10-21 16:46:32 -0400
commit20a4ba0e1209d605ef70621ba1a3e7da9d7fa033 (patch)
tree979060059f25b9d4e69f7d02ee28f9451d3314f8
parent994e4efb0cee3b46a64160a69a415af54724c512 (diff)
Fix for NFS boot for OMAP3 EVM
The eth_halt() function has been modified to remove the chip reset and instead stop the transmit/receive from the device.
-rw-r--r--drivers/net/smc911x.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 1ded8f01d0..2f0852ee29 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -116,6 +116,27 @@ static int smc911x_phy_reset(void)
return 0;
}
+static void smc911x_shutdown(void)
+{
+ unsigned cr;
+
+ /* Turn of Rx and TX */
+ cr = smc911x_get_mac_csr(MAC_CR);
+ cr &= ~(MAC_CR_TXEN | MAC_CR_RXEN | MAC_CR_HBDIS);
+ smc911x_set_mac_csr(MAC_CR, cr);
+
+ /* Stop Transmission */
+ cr = smc911x_get_mac_csr(TX_CFG);
+ cr &= ~(TX_CFG_STOP_TX);
+ smc911x_set_mac_csr(TX_CFG, cr);
+ /* Stop receiving packets */
+ cr = smc911x_get_mac_csr(RX_CFG);
+ cr &= ~(RX_CFG_RXDOFF);
+ smc911x_set_mac_csr(RX_CFG, cr);
+
+}
+
+
static void smc911x_phy_configure(void)
{
int timeout;
@@ -224,7 +245,7 @@ int eth_send(volatile void *packet, int length)
void eth_halt(void)
{
- smc911x_reset();
+ smc911x_shutdown();
}
int eth_rx(void)