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[target/leon]: add preliminary LEON support

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25139 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
kaloz
2011-01-27 12:51:25 +00:00
parent 0a8698549c
commit 05448b64c0
29 changed files with 2217 additions and 0 deletions
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34
target/linux/leon/patches/019-greth_fix_open_close.patch Normal file
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@@ -0,0 +1,34 @@
From 6216bc809c5bdd586b14d096fbaf6dc25574b928 Mon Sep 17 00:00:00 2001
From: Daniel Hellstrom <daniel@gaisler.com>
Date: Wed, 1 Dec 2010 09:59:14 +0100
Subject: [PATCH] GRETH: fix opening/closing
When NAPI is disabled there is no point in having IRQs enabled, TX/RX
should be off before clearing the TX/RX descriptor rings.
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
---
drivers/net/greth.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
--- a/drivers/net/greth.c
+++ b/drivers/net/greth.c
@@ -365,6 +365,8 @@ static int greth_open(struct net_device
dev_dbg(&dev->dev, " starting queue\n");
netif_start_queue(dev);
+ GRETH_REGSAVE(greth->regs->status, 0xFF);
+
napi_enable(&greth->napi);
greth_enable_irqs(greth);
@@ -380,7 +382,9 @@ static int greth_close(struct net_device
napi_disable(&greth->napi);
+ greth_disable_irqs(greth);
greth_disable_tx(greth);
+ greth_disable_rx(greth);
netif_stop_queue(dev);