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From 57a0438b9f70bb3e98a20773134b17ef33e266b9 Mon Sep 17 00:00:00 2001
From: Manikandan Pillai <mani.pillai@ti.com>
Date: Tue, 7 Apr 2009 14:27:31 +0530
Subject: [PATCH 02/16] 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.
---
drivers/net/smc911x.c | 23 ++++++++++++++++++++++-
1 files changed, 22 insertions(+), 1 deletions(-)
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 1ded8f0..2f0852e 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)
--
1.6.2.4
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