From 9a462204d13bd8acd735f8111dc7f9412e812b33 Mon Sep 17 00:00:00 2001
From: hauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sat, 24 Nov 2012 20:07:25 +0000
Subject: brcm47xx: update watchdog driver

This watchdog driver should work with SoC having a PMU.

This fixes #11720.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34323 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 ...ssb-extif-add-methods-for-watchdog-driver.patch | 89 ++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 target/linux/brcm47xx/patches-3.6/553-ssb-extif-add-methods-for-watchdog-driver.patch

(limited to 'target/linux/brcm47xx/patches-3.6/553-ssb-extif-add-methods-for-watchdog-driver.patch')

diff --git a/target/linux/brcm47xx/patches-3.6/553-ssb-extif-add-methods-for-watchdog-driver.patch b/target/linux/brcm47xx/patches-3.6/553-ssb-extif-add-methods-for-watchdog-driver.patch
new file mode 100644
index 000000000..555cf64db
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/553-ssb-extif-add-methods-for-watchdog-driver.patch
@@ -0,0 +1,89 @@
+--- a/drivers/ssb/driver_extif.c
++++ b/drivers/ssb/driver_extif.c
+@@ -112,11 +112,30 @@ void ssb_extif_get_clockcontrol(struct s
+ 	*m = extif_read32(extif, SSB_EXTIF_CLOCK_SB);
+ }
+ 
+-void ssb_extif_watchdog_timer_set(struct ssb_extif *extif, u32 ticks)
++u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, u32 ticks)
++{
++	struct ssb_extif *extif = bcm47xx_wdt_get_drvdata(wdt);
++
++	return ssb_extif_watchdog_timer_set(extif, ticks);
++}
++
++u32 ssb_extif_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms)
++{
++	struct ssb_extif *extif = bcm47xx_wdt_get_drvdata(wdt);
++	u32 ticks = (SSB_EXTIF_WATCHDOG_CLK / 1000) * ms;
++
++	ticks = ssb_extif_watchdog_timer_set(extif, ticks);
++
++	return (ticks * 1000) / SSB_EXTIF_WATCHDOG_CLK;
++}
++
++u32 ssb_extif_watchdog_timer_set(struct ssb_extif *extif, u32 ticks)
+ {
+ 	if (ticks > SSB_EXTIF_WATCHDOG_MAX_TIMER)
+ 		ticks = SSB_EXTIF_WATCHDOG_MAX_TIMER;
+ 	extif_write32(extif, SSB_EXTIF_WATCHDOG, ticks);
++
++	return ticks;
+ }
+ 
+ u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask)
+--- a/drivers/ssb/ssb_private.h
++++ b/drivers/ssb/ssb_private.h
+@@ -231,4 +231,19 @@ extern u32 ssb_chipco_watchdog_timer_set
+ 					     u32 ticks);
+ extern u32 ssb_chipco_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms);
+ 
++#ifdef CONFIG_SSB_DRIVER_EXTIF
++extern u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, u32 ticks);
++extern u32 ssb_extif_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms);
++#else
++static inline u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt,
++						   u32 ticks)
++{
++	return 0;
++}
++static inline u32 ssb_extif_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt,
++						  u32 ms)
++{
++	return 0;
++}
++#endif
+ #endif /* LINUX_SSB_PRIVATE_H_ */
+--- a/include/linux/ssb/ssb_driver_extif.h
++++ b/include/linux/ssb/ssb_driver_extif.h
+@@ -153,6 +153,8 @@
+ #define SSB_EXTIF_WATCHDOG_CLK		48000000	/* Hz */
+ 
+ #define SSB_EXTIF_WATCHDOG_MAX_TIMER	((1 << 28) - 1)
++#define SSB_EXTIF_WATCHDOG_MAX_TIMER_MS	(SSB_EXTIF_WATCHDOG_MAX_TIMER \
++					 / (SSB_EXTIF_WATCHDOG_CLK / 1000))
+ 
+ 
+ #ifdef CONFIG_SSB_DRIVER_EXTIF
+@@ -172,8 +174,7 @@ 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);
++extern u32 ssb_extif_watchdog_timer_set(struct ssb_extif *extif, u32 ticks);
+ 
+ /* Extif GPIO pin access */
+ u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask);
+@@ -206,9 +207,9 @@ void ssb_extif_get_clockcontrol(struct s
+ }
+ 
+ static inline
+-void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
+-				  u32 ticks)
++u32 ssb_extif_watchdog_timer_set(struct ssb_extif *extif, u32 ticks)
+ {
++	return 0;
+ }
+ 
+ #endif /* CONFIG_SSB_DRIVER_EXTIF */
-- 
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