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watchdog driver for RB 532

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Here is the driver for the hardware watchdog timer
integrated in RB 532 (as part of the SoC IDT 79RC32434).

File include/asm-mips/rc32434/integ.h is taken from
Mikrotik RB 532 kernel patch.

Signed-off-by: Ondrej Zajicek <santiago@crfreenet.org>

SVN-Revision: 9896
This commit is contained in:
Felix Fietkau
2007-12-24 22:47:27 +00:00
parent 01e9b18190
commit c65e66ac49
3 changed files with 359 additions and 0 deletions
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43
target/linux/rb532/patches/520-rc32434_wdt.patch Normal file
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@@ -0,0 +1,43 @@
diff -ur linux-2.6.22.4.old/arch/mips/kernel/time.c linux-2.6.22.4.new/arch/mips/kernel/time.c
--- linux-2.6.22.4.old/arch/mips/kernel/time.c 2007-08-21 06:33:06.000000000 +0200
+++ linux-2.6.22.4.new/arch/mips/kernel/time.c 2007-12-24 17:13:43.000000000 +0100
@@ -478,3 +478,5 @@
EXPORT_SYMBOL(to_tm);
EXPORT_SYMBOL(rtc_mips_set_time);
EXPORT_SYMBOL(rtc_mips_get_time);
+EXPORT_SYMBOL(mips_hpt_frequency);
+
diff -ur linux-2.6.22.4.old/drivers/char/watchdog/Kconfig linux-2.6.22.4.new/drivers/char/watchdog/Kconfig
--- linux-2.6.22.4.old/drivers/char/watchdog/Kconfig 2007-08-21 06:33:06.000000000 +0200
+++ linux-2.6.22.4.new/drivers/char/watchdog/Kconfig 2007-12-24 17:13:43.000000000 +0100
@@ -575,6 +575,19 @@
To compile this driver as a module, choose M here: the
module will be called rm9k_wdt.
+config RC32434_WDT
+ tristate "IDT Interprise 79RC32434 SoC hardware watchdog"
+ depends on WATCHDOG && MIKROTIK_RB500
+ help
+ This is a driver for hardware watchdog integrated in IDT Interprise
+ 79RC32434 SoC. This watchdog simply watches your kernel to make sure
+ it doesn't freeze, and if it does, it reboots your computer after a
+ certain amount of time.
+
+ To compile this driver as a module, choose M here: the module will be
+ called rc32434_wdt.
+
+
# S390 Architecture
config ZVM_WATCHDOG
diff -ur linux-2.6.22.4.old/drivers/char/watchdog/Makefile linux-2.6.22.4.new/drivers/char/watchdog/Makefile
--- linux-2.6.22.4.old/drivers/char/watchdog/Makefile 2007-08-21 06:33:06.000000000 +0200
+++ linux-2.6.22.4.new/drivers/char/watchdog/Makefile 2007-12-24 17:13:43.000000000 +0100
@@ -75,6 +75,7 @@
obj-$(CONFIG_INDYDOG) += indydog.o
obj-$(CONFIG_WDT_MTX1) += mtx-1_wdt.o
obj-$(CONFIG_WDT_RM9K_GPI) += rm9k_wdt.o
+obj-$(CONFIG_RC32434_WDT) += rc32434_wdt.o
# S390 Architecture