diff options
Diffstat (limited to 'recipes/u-boot/u-boot-git/omap3evm/0005-SMC911x-driver-fixed-for-NFS-boot.patch')
| -rw-r--r-- | recipes/u-boot/u-boot-git/omap3evm/0005-SMC911x-driver-fixed-for-NFS-boot.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/recipes/u-boot/u-boot-git/omap3evm/0005-SMC911x-driver-fixed-for-NFS-boot.patch b/recipes/u-boot/u-boot-git/omap3evm/0005-SMC911x-driver-fixed-for-NFS-boot.patch new file mode 100644 index 0000000000..8b3894bc3f --- /dev/null +++ b/recipes/u-boot/u-boot-git/omap3evm/0005-SMC911x-driver-fixed-for-NFS-boot.patch @@ -0,0 +1,61 @@ +From 3ffa2549a4f61053f78c00b8716cda392cf97b93 Mon Sep 17 00:00:00 2001 +From: Manikandan Pillai <mani.pillai@ti.com> +Date: Wed, 8 Apr 2009 09:08:00 +0530 +Subject: [PATCH 05/16] SMC911x driver fixed for NFS boot + +eth_halt() function in the smc911x drivers used to call the +smc911x_reset() function. eth_halt() used to be called after +tftp transfers. This used to put the ethernet chip in reset +while the linux boots up resulting in the ethernet driver +not coming up. NFS boot used to fail as a result. + +This patch calls smc911x_shutdown() instead of smc911x_reset(). +Some comments received has also been fixed. +--- + 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..5bc3914 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 int 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 + |