openwrt-owl/target/linux/brcm47xx/patches-2.6.23/610-ssb-watchdog-fix.patch

Index: linux-2.6.23.16/drivers/ssb/Kconfig
===================================================================
--- linux-2.6.23.16.orig/drivers/ssb/Kconfig	2008-02-19 12:38:31.000000000 +0100
+++ linux-2.6.23.16/drivers/ssb/Kconfig	2008-02-19 12:43:58.000000000 +0100
@@ -105,6 +105,12 @@ config SSB_DRIVER_MIPS
 
 	  If unsure, say N
 
+# Assumption: We are on embedded, if we compile the MIPS core.
+config SSB_EMBEDDED
+	bool
+	depends on SSB_DRIVER_MIPS
+	default y
+
 config SSB_DRIVER_EXTIF
 	bool "SSB Broadcom EXTIF core driver (EXPERIMENTAL)"
 	depends on SSB_DRIVER_MIPS && EXPERIMENTAL
Index: linux-2.6.23.16/drivers/ssb/Makefile
===================================================================
--- linux-2.6.23.16.orig/drivers/ssb/Makefile	2008-02-19 12:38:31.000000000 +0100
+++ linux-2.6.23.16/drivers/ssb/Makefile	2008-02-19 12:43:58.000000000 +0100
@@ -1,5 +1,6 @@
 # core
 ssb-y					+= main.o scan.o
+ssb-$(CONFIG_SSB_EMBEDDED)		+= embedded.o
 
 # host support
 ssb-$(CONFIG_SSB_PCIHOST)		+= pci.o pcihost_wrapper.o
Index: linux-2.6.23.16/drivers/ssb/driver_extif.c
===================================================================
--- linux-2.6.23.16.orig/drivers/ssb/driver_extif.c	2008-02-19 12:38:34.000000000 +0100
+++ linux-2.6.23.16/drivers/ssb/driver_extif.c	2008-02-19 12:45:13.000000000 +0100
@@ -35,6 +35,12 @@ static inline void extif_write32_masked(
 	extif_write32(extif, offset, value);
 }
 
+void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
+				  u32 ticks)
+{
+	extif_write32(extif, SSB_EXTIF_WATCHDOG, ticks);
+}
+
 #ifdef CONFIG_SSB_SERIAL
 static bool serial_exists(u8 *regs)
 {
Index: linux-2.6.23.16/drivers/ssb/embedded.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.23.16/drivers/ssb/embedded.c	2008-02-19 12:43:58.000000000 +0100
@@ -0,0 +1,26 @@
+/*
+ * Sonics Silicon Backplane
+ * Embedded systems support code
+ *
+ * Copyright 2005-2008, Broadcom Corporation
+ * Copyright 2006-2008, Michael Buesch <mb@bu3sch.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/ssb/ssb.h>
+#include <linux/ssb/ssb_embedded.h>
+
+
+int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks)
+{
+	if (ssb_chipco_available(&bus->chipco)) {
+		ssb_chipco_watchdog_timer_set(&bus->chipco, ticks);
+		return 0;
+	}
+	if (ssb_extif_available(&bus->extif)) {
+		ssb_extif_watchdog_timer_set(&bus->extif, ticks);
+		return 0;
+	}
+	return -ENODEV;
+}
Index: linux-2.6.23.16/include/linux/ssb/ssb_driver_chipcommon.h
===================================================================
--- linux-2.6.23.16.orig/include/linux/ssb/ssb_driver_chipcommon.h	2008-02-19 12:38:34.000000000 +0100
+++ linux-2.6.23.16/include/linux/ssb/ssb_driver_chipcommon.h	2008-02-19 12:43:58.000000000 +0100
@@ -360,6 +360,11 @@ struct ssb_chipcommon {
 	u16 fast_pwrup_delay;
 };
 
+static inline bool ssb_chipco_available(struct ssb_chipcommon *cc)
+{
+	return (cc->dev != NULL);
+}
+
 extern void ssb_chipcommon_init(struct ssb_chipcommon *cc);
 
 #include <linux/pm.h>
Index: linux-2.6.23.16/include/linux/ssb/ssb_driver_extif.h
===================================================================
--- linux-2.6.23.16.orig/include/linux/ssb/ssb_driver_extif.h	2008-02-19 12:38:34.000000000 +0100
+++ linux-2.6.23.16/include/linux/ssb/ssb_driver_extif.h	2008-02-19 12:47:03.000000000 +0100
@@ -170,6 +170,9 @@ extern void ssb_extif_get_clockcontrol(s
 extern void ssb_extif_timing_init(struct ssb_extif *extif,
 				  unsigned long ns);
 
+extern void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
+					 u32 ticks);
+
 #ifdef CONFIG_SSB_SERIAL
 extern int ssb_extif_serial_init(struct ssb_extif *extif,
 				 struct ssb_serial_port *ports);
@@ -224,5 +227,11 @@ void ssb_extif_get_clockcontrol(struct s
 {
 }
 
+static inline
+void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
+				  u32 ticks)
+{
+}
+
 #endif /* CONFIG_SSB_DRIVER_EXTIF */
 #endif /* LINUX_SSB_EXTIFCORE_H_ */
Index: linux-2.6.23.16/include/linux/ssb/ssb_embedded.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.23.16/include/linux/ssb/ssb_embedded.h	2008-02-19 12:43:58.000000000 +0100
@@ -0,0 +1,10 @@
+#ifndef LINUX_SSB_EMBEDDED_H_
+#define LINUX_SSB_EMBEDDED_H_
+
+#include <linux/types.h>
+#include <linux/ssb/ssb.h>
+
+
+extern int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks);
+
+#endif /* LINUX_SSB_EMBEDDED_H_ */