linux-kernel - [PATCH 5/12] spidernet: spidernet: add support for Celleb

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Message-ID: <20070220223614.GE28895@austin.ibm.com>
Date:	Tue, 20 Feb 2007 16:36:14 -0600
From:	linas@...tin.ibm.com (Linas Vepstas)
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	kou.ishizaki@...hiba.co.jp, arnd@...db.de,
	Jens Osterkamp <jens@...ibm.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 5/12] spidernet: spidernet: add support for Celleb


From: Kou Ishizaki <kou.ishizaki@...hiba.co.jp>

This patch adds or changes some HW specific settings for spider_net on
Celleb.

Signed-off-by: Kou Ishizaki <kou.ishizaki@...hiba.co.jp>
Signed-off-by: Linas Vepstas <linas@...tin.ibm.com>

----
 drivers/net/Kconfig      |    2 +-
 drivers/net/spider_net.c |    8 +++++++-
 drivers/net/spider_net.h |    6 ++++--
 3 files changed, 12 insertions(+), 4 deletions(-)

Index: linux-2.6.20-git16/drivers/net/Kconfig
===================================================================
--- linux-2.6.20-git16.orig/drivers/net/Kconfig	2007-02-20 14:23:59.000000000 -0600
+++ linux-2.6.20-git16/drivers/net/Kconfig	2007-02-20 15:02:38.000000000 -0600
@@ -2245,7 +2245,7 @@ config BNX2
 
 config SPIDER_NET
 	tristate "Spider Gigabit Ethernet driver"
-	depends on PCI && PPC_IBM_CELL_BLADE
+	depends on PCI && (PPC_IBM_CELL_BLADE || PPC_CELLEB)
 	select FW_LOADER
 	help
 	  This driver supports the Gigabit Ethernet chips present on the
Index: linux-2.6.20-git16/drivers/net/spider_net.h
===================================================================
--- linux-2.6.20-git16.orig/drivers/net/spider_net.h	2007-02-20 15:02:32.000000000 -0600
+++ linux-2.6.20-git16/drivers/net/spider_net.h	2007-02-20 15:02:38.000000000 -0600
@@ -1,7 +1,8 @@
 /*
- * Network device driver for Cell Processor-Based Blade
+ * Network device driver for Cell Processor-Based Blade and Celleb platform
  *
  * (C) Copyright IBM Corp. 2005
+ * (C) Copyright 2006 TOSHIBA CORPORATION
  *
  * Authors : Utz Bacher <utz.bacher@...ibm.com>
  *           Jens Osterkamp <Jens.Osterkamp@...ibm.com>
@@ -184,7 +185,8 @@ extern char spider_net_driver_name[];
 
 /* pause frames: automatic, no upper retransmission count */
 /* outside loopback mode: ETOMOD signal dont matter, not connected */
-#define SPIDER_NET_OPMODE_VALUE		0x00000063
+/* ETOMOD signal is brought to PHY reset. bit 2 must be 1 in Celleb */
+#define SPIDER_NET_OPMODE_VALUE		0x00000067
 /*#define SPIDER_NET_OPMODE_VALUE		0x001b0062*/
 #define SPIDER_NET_LENLMT_VALUE		0x00000908
 
Index: linux-2.6.20-git16/drivers/net/spider_net.c
===================================================================
--- linux-2.6.20-git16.orig/drivers/net/spider_net.c	2007-02-20 15:02:36.000000000 -0600
+++ linux-2.6.20-git16/drivers/net/spider_net.c	2007-02-20 15:02:38.000000000 -0600
@@ -1,7 +1,8 @@
 /*
- * Network device driver for Cell Processor-Based Blade
+ * Network device driver for Cell Processor-Based Blade and Celleb platform
  *
  * (C) Copyright IBM Corp. 2005
+ * (C) Copyright 2006 TOSHIBA CORPORATION
  *
  * Authors : Utz Bacher <utz.bacher@...ibm.com>
  *           Jens Osterkamp <Jens.Osterkamp@...ibm.com>
@@ -1605,6 +1606,11 @@ spider_net_init_card(struct spider_net_c
 
 	spider_net_write_reg(card, SPIDER_NET_CKRCTRL,
 			     SPIDER_NET_CKRCTRL_RUN_VALUE);
+
+	/* trigger ETOMOD signal */
+	spider_net_write_reg(card, SPIDER_NET_GMACOPEMD,
+		spider_net_read_reg(card, SPIDER_NET_GMACOPEMD) | 0x4);
+
 }
 
 /**
-
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