[target/leon]: add preliminary LEON support
[openwrt/svn-archive/archive.git] / target / linux / leon / patches / 026-greth_gbit_mac_set_ee_when_edcl.patch
diff --git a/target/linux/leon/patches/026-greth_gbit_mac_set_ee_when_edcl.patch b/target/linux/leon/patches/026-greth_gbit_mac_set_ee_when_edcl.patch
new file mode 100644 (file)
index 0000000..94fa0bd
--- /dev/null
@@ -0,0 +1,31 @@
+From 50fcb51c42bc721f18f1bfa10f705519cd344a2a Mon Sep 17 00:00:00 2001
+From: Daniel Hellstrom <daniel@gaisler.com>
+Date: Wed, 1 Dec 2010 16:20:01 +0100
+Subject: [PATCH] GRETH: Newer GBit MACs need setting EE bit when EDCL should be enabled
+
+---
+ drivers/net/greth.c |    2 +-
+ drivers/net/greth.h |    1 +
+ 2 files changed, 2 insertions(+), 1 deletions(-)
+
+--- a/drivers/net/greth.c
++++ b/drivers/net/greth.c
+@@ -1511,7 +1511,7 @@ static int __devinit greth_of_probe(stru
+       /* If we have EDCL we disable the EDCL speed-duplex FSM so
+        * it doesn't interfere with the software */
+       if (greth->edcl != 0)
+-              GRETH_REGORIN(regs->control, GRETH_CTRL_DISDUPLEX);
++              GRETH_REGORIN(regs->control, GRETH_CTRL_DISDUPLEX|GRETH_CTRL_EE);
+       /* Check if MAC can handle MDIO interrupts */
+       greth->mdio_int_en = (tmp >> 26) & 1;
+--- a/drivers/net/greth.h
++++ b/drivers/net/greth.h
+@@ -15,6 +15,7 @@
+ #define GRETH_CTRL_PSTATIEN   0x400
+ #define GRETH_CTRL_MCEN       0x800
+ #define GRETH_CTRL_DISDUPLEX  0x1000
++#define GRETH_CTRL_EE         0x4000
+ #define GRETH_STATUS_PHYSTAT  0x100
+ #define GRETH_BD_EN 0x800