SSB: Update the watchdog fix to the patch version that will go upstream.
SVN-Revision: 10494v19.07.3_mercusys_ac12_duma
Michael Büsch
17 years ago
parent
b926d7695b
commit
27e288859c
@ -1,59 +1,133 @@
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Index: linux-2.6.23.16/drivers/ssb/driver_mipscore.c
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Index: linux-2.6.23.16/drivers/ssb/Kconfig
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===================================================================
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--- linux-2.6.23.16.orig/drivers/ssb/driver_mipscore.c 2008-02-19 02:13:15.000000000 +0100
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+++ linux-2.6.23.16/drivers/ssb/driver_mipscore.c 2008-02-19 02:13:17.000000000 +0100
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@@ -31,6 +31,19 @@ static inline void mips_write32(struct s
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ssb_write32(mcore->dev, offset, value);
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--- linux-2.6.23.16.orig/drivers/ssb/Kconfig 2008-02-19 12:38:31.000000000 +0100
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+++ linux-2.6.23.16/drivers/ssb/Kconfig 2008-02-19 12:43:58.000000000 +0100
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@@ -105,6 +105,12 @@ config SSB_DRIVER_MIPS
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If unsure, say N
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+# Assumption: We are on embedded, if we compile the MIPS core.
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+config SSB_EMBEDDED
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+ bool
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+ depends on SSB_DRIVER_MIPS
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+ default y
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+
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config SSB_DRIVER_EXTIF
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bool "SSB Broadcom EXTIF core driver (EXPERIMENTAL)"
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depends on SSB_DRIVER_MIPS && EXPERIMENTAL
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Index: linux-2.6.23.16/drivers/ssb/Makefile
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===================================================================
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--- linux-2.6.23.16.orig/drivers/ssb/Makefile 2008-02-19 12:38:31.000000000 +0100
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+++ linux-2.6.23.16/drivers/ssb/Makefile 2008-02-19 12:43:58.000000000 +0100
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@@ -1,5 +1,6 @@
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# core
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ssb-y += main.o scan.o
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+ssb-$(CONFIG_SSB_EMBEDDED) += embedded.o
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# host support
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ssb-$(CONFIG_SSB_PCIHOST) += pci.o pcihost_wrapper.o
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Index: linux-2.6.23.16/drivers/ssb/driver_extif.c
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===================================================================
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--- linux-2.6.23.16.orig/drivers/ssb/driver_extif.c 2008-02-19 12:38:34.000000000 +0100
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+++ linux-2.6.23.16/drivers/ssb/driver_extif.c 2008-02-19 12:45:13.000000000 +0100
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@@ -35,6 +35,12 @@ static inline void extif_write32_masked(
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extif_write32(extif, offset, value);
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}
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+/* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */
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+int
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+ssb_watchdog(struct ssb_bus *bus, uint ticks)
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+void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
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+ u32 ticks)
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+{
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+ /* instant NMI */
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+ if (bus->chipco.dev)
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+ ssb_write32(bus->chipco.dev, SSB_CHIPCO_WATCHDOG, ticks);
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+ else if (bus->extif.dev)
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+ ssb_write32(bus->extif.dev, SSB_EXTIF_WATCHDOG, ticks);
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+ return 0;
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+ extif_write32(extif, SSB_EXTIF_WATCHDOG, ticks);
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+}
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+EXPORT_SYMBOL(ssb_watchdog);
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+
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static const u32 ipsflag_irq_mask[] = {
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0,
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SSB_IPSFLAG_IRQ1,
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Index: linux-2.6.23.16/include/linux/ssb/ssb_driver_mips.h
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#ifdef CONFIG_SSB_SERIAL
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static bool serial_exists(u8 *regs)
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{
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Index: linux-2.6.23.16/drivers/ssb/embedded.c
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===================================================================
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--- linux-2.6.23.16.orig/include/linux/ssb/ssb_driver_mips.h 2008-02-19 02:13:15.000000000 +0100
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+++ linux-2.6.23.16/include/linux/ssb/ssb_driver_mips.h 2008-02-19 02:13:17.000000000 +0100
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@@ -30,6 +30,8 @@ extern u32 ssb_cpu_clock(struct ssb_mips
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extern unsigned int ssb_mips_irq(struct ssb_device *dev);
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+/* Set watchdog reset timer to fire in 'ticks' backplane cycles */
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+extern int ssb_watchdog(struct ssb_bus *bus, uint ticks);
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ linux-2.6.23.16/drivers/ssb/embedded.c 2008-02-19 12:43:58.000000000 +0100
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@@ -0,0 +1,26 @@
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+/*
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+ * Sonics Silicon Backplane
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+ * Embedded systems support code
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+ *
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+ * Copyright 2005-2008, Broadcom Corporation
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+ * Copyright 2006-2008, Michael Buesch <mb@bu3sch.de>
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+ *
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+ * Licensed under the GNU/GPL. See COPYING for details.
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+ */
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+
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+#include <linux/ssb/ssb.h>
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+#include <linux/ssb/ssb_embedded.h>
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+
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+
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+int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks)
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+{
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+ if (ssb_chipco_available(&bus->chipco)) {
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+ ssb_chipco_watchdog_timer_set(&bus->chipco, ticks);
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+ return 0;
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+ }
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+ if (ssb_extif_available(&bus->extif)) {
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+ ssb_extif_watchdog_timer_set(&bus->extif, ticks);
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+ return 0;
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+ }
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+ return -ENODEV;
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+}
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Index: linux-2.6.23.16/include/linux/ssb/ssb_driver_chipcommon.h
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===================================================================
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--- linux-2.6.23.16.orig/include/linux/ssb/ssb_driver_chipcommon.h 2008-02-19 12:38:34.000000000 +0100
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+++ linux-2.6.23.16/include/linux/ssb/ssb_driver_chipcommon.h 2008-02-19 12:43:58.000000000 +0100
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@@ -360,6 +360,11 @@ struct ssb_chipcommon {
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u16 fast_pwrup_delay;
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};
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#else /* CONFIG_SSB_DRIVER_MIPS */
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+static inline bool ssb_chipco_available(struct ssb_chipcommon *cc)
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+{
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+ return (cc->dev != NULL);
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+}
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+
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extern void ssb_chipcommon_init(struct ssb_chipcommon *cc);
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Index: linux-2.6.23.16/arch/mips/bcm947xx/setup.c
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#include <linux/pm.h>
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Index: linux-2.6.23.16/include/linux/ssb/ssb_driver_extif.h
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===================================================================
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--- linux-2.6.23.16.orig/arch/mips/bcm947xx/setup.c 2008-02-19 02:13:15.000000000 +0100
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+++ linux-2.6.23.16/arch/mips/bcm947xx/setup.c 2008-02-19 02:13:17.000000000 +0100
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@@ -55,7 +55,7 @@ static void bcm47xx_machine_restart(char
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*/
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/* Set the watchdog timer to reset immediately */
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- ssb_chipco_watchdog_timer_set(&ssb.chipco, 1);
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+ ssb_watchdog(&ssb, 1);
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while (1)
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cpu_relax();
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}
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@@ -64,7 +64,7 @@ static void bcm47xx_machine_halt(void)
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--- linux-2.6.23.16.orig/include/linux/ssb/ssb_driver_extif.h 2008-02-19 12:38:34.000000000 +0100
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+++ linux-2.6.23.16/include/linux/ssb/ssb_driver_extif.h 2008-02-19 12:47:03.000000000 +0100
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@@ -170,6 +170,9 @@ extern void ssb_extif_get_clockcontrol(s
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extern void ssb_extif_timing_init(struct ssb_extif *extif,
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unsigned long ns);
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+extern void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
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+ u32 ticks);
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+
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#ifdef CONFIG_SSB_SERIAL
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extern int ssb_extif_serial_init(struct ssb_extif *extif,
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struct ssb_serial_port *ports);
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@@ -224,5 +227,11 @@ void ssb_extif_get_clockcontrol(struct s
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{
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/* Disable interrupts and watchdog and spin forever */
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local_irq_disable();
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- ssb_chipco_watchdog_timer_set(&ssb.chipco, 0);
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+ ssb_watchdog(&ssb, 0);
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while (1)
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cpu_relax();
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}
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+static inline
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+void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
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+ u32 ticks)
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+{
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+}
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+
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#endif /* CONFIG_SSB_DRIVER_EXTIF */
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#endif /* LINUX_SSB_EXTIFCORE_H_ */
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Index: linux-2.6.23.16/include/linux/ssb/ssb_embedded.h
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ linux-2.6.23.16/include/linux/ssb/ssb_embedded.h 2008-02-19 12:43:58.000000000 +0100
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@@ -0,0 +1,10 @@
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+#ifndef LINUX_SSB_EMBEDDED_H_
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+#define LINUX_SSB_EMBEDDED_H_
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+
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+#include <linux/types.h>
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+#include <linux/ssb/ssb.h>
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+
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+
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+extern int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks);
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+
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+#endif /* LINUX_SSB_EMBEDDED_H_ */
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