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openwrt-xburst/target/linux/brcm47xx/patches-2.6.23/610-ssb-watchdog-fix.patch
juhosg 284a2e1864 [brcm47xx] refresh 2.6.23 patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12311 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-08-14 18:05:37 +00:00

120 lines
2.8 KiB
Diff

--- a/drivers/ssb/Kconfig
+++ b/drivers/ssb/Kconfig
@@ -105,6 +105,12 @@
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
--- a/drivers/ssb/Makefile
+++ b/drivers/ssb/Makefile
@@ -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
--- a/drivers/ssb/driver_extif.c
+++ b/drivers/ssb/driver_extif.c
@@ -37,6 +37,12 @@
return 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)
{
--- /dev/null
+++ b/drivers/ssb/embedded.c
@@ -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;
+}
--- a/include/linux/ssb/ssb_driver_chipcommon.h
+++ b/include/linux/ssb/ssb_driver_chipcommon.h
@@ -360,6 +360,11 @@
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>
--- a/include/linux/ssb/ssb_driver_extif.h
+++ b/include/linux/ssb/ssb_driver_extif.h
@@ -178,6 +178,9 @@
u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, u32 mask, u32 value);
u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, u32 mask, u32 value);
+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);
@@ -201,5 +204,11 @@
{
}
+static inline
+void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
+ u32 ticks)
+{
+}
+
#endif /* CONFIG_SSB_DRIVER_EXTIF */
#endif /* LINUX_SSB_EXTIFCORE_H_ */
--- /dev/null
+++ b/include/linux/ssb/ssb_embedded.h
@@ -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_ */