Patch for extif watchdog support. Thanks b.sander. Closes #2363 #2814 and #3141

SVN-Revision: 10489

diff --git a/target/linux/brcm47xx/patches-2.6.23/610-ssb-watchdog-fix.patch b/target/linux/brcm47xx/patches-2.6.23/610-ssb-watchdog-fix.patch
new file mode 100644 (file)
index 0000000..55ba9a0
--- /dev/null
+++ b/target/linux/brcm47xx/patches-2.6.23/610-ssb-watchdog-fix.patch
@@ -0,0 +1,53 @@
+--- a/drivers/ssb/driver_mipscore.c    2007-12-06 08:07:00.000000000 +0100
++++ b/drivers/ssb/driver_mipscore.c    2007-12-06 10:27:43.000000000 +0100
+@@ -31,6 +31,19 @@
+       ssb_write32(extif->dev, offset, value);
+ }
+ 
++/* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */
++int
++ssb_watchdog(struct ssb_bus *bus, uint ticks)
++{
++      /* instant NMI */
++      if (bus->chipco.dev)
++              ssb_write32(bus->chipco.dev, SSB_CHIPCO_WATCHDOG, ticks);
++      else if (bus->extif.dev)
++              ssb_write32(bus->extif.dev, SSB_EXTIF_WATCHDOG, ticks);
++      return 0;
++}
++EXPORT_SYMBOL(ssb_watchdog);
++
+ static const u32 ipsflag_irq_mask[] = {
+       0,
+       SSB_IPSFLAG_IRQ1,
+--- a/include/linux/ssb/ssb_driver_mips.h      2007-12-06 08:07:00.000000000 +0100
++++ b/include/linux/ssb/ssb_driver_mips.h      2007-12-06 10:32:36.000000000 +0100
+@@ -30,6 +30,8 @@
+ 
+ extern unsigned int ssb_mips_irq(struct ssb_device *dev);
+ 
++/* Set watchdog reset timer to fire in 'ticks' backplane cycles */
++extern int ssb_watchdog(struct ssb_bus *bus, uint ticks);
+ 
+ #else /* CONFIG_SSB_DRIVER_MIPS */
+ 
+--- a/arch/mips/bcm947xx/setup.c       2007-12-06 08:07:00.000000000 +0100
++++ b/arch/mips/bcm947xx/setup.c       2007-12-06 10:33:39.000000000 +0100
+@@ -55,7 +55,7 @@
+        */
+ 
+       /* Set the watchdog timer to reset immediately */
+-      ssb_chipco_watchdog_timer_set(&ssb.chipco, 1);
++      ssb_watchdog(&ssb, 1);
+       while (1)
+               cpu_relax();
+ }
+@@ -64,7 +64,7 @@
+ {
+       /* Disable interrupts and watchdog and spin forever */
+       local_irq_disable();
+-      ssb_chipco_watchdog_timer_set(&ssb.chipco, 0);
++      ssb_watchdog(&ssb, 0);
+       while (1)
+               cpu_relax();
+ }