diff options
| author | Michael Buesch <mb@bu3sch.de> | 2008-02-19 12:41:30 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-02-20 20:11:49 -0500 |
| commit | 42bfad4f71637c4eb4791aa8062063c4a8526522 (patch) | |
| tree | 42c8c52d953aaa8f0418084af1e60c15e900488c /drivers | |
| parent | 58ff70d4feae29cbb7ace410fa6585ef3afb44b6 (diff) | |
| download | kernel_samsung_tuna-42bfad4f71637c4eb4791aa8062063c4a8526522.zip kernel_samsung_tuna-42bfad4f71637c4eb4791aa8062063c4a8526522.tar.gz kernel_samsung_tuna-42bfad4f71637c4eb4791aa8062063c4a8526522.tar.bz2 | |
ssb: Fix watchdog access for devices without a chipcommon
This fixes the SSB watchdog access for devices without a chipcommon.
These devices have the watchdog on the extif.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ssb/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/ssb/Makefile | 1 | ||||
| -rw-r--r-- | drivers/ssb/driver_extif.c | 6 | ||||
| -rw-r--r-- | drivers/ssb/embedded.c | 26 |
4 files changed, 39 insertions, 0 deletions
diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig index d976660..78fd331 100644 --- a/drivers/ssb/Kconfig +++ b/drivers/ssb/Kconfig @@ -105,6 +105,12 @@ config SSB_DRIVER_MIPS 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 diff --git a/drivers/ssb/Makefile b/drivers/ssb/Makefile index 7be3975..e235144 100644 --- 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 diff --git a/drivers/ssb/driver_extif.c b/drivers/ssb/driver_extif.c index fe55eb8..b1899f4 100644 --- a/drivers/ssb/driver_extif.c +++ b/drivers/ssb/driver_extif.c @@ -110,6 +110,12 @@ void ssb_extif_get_clockcontrol(struct ssb_extif *extif, *m = extif_read32(extif, SSB_EXTIF_CLOCK_SB); } +void ssb_extif_watchdog_timer_set(struct ssb_extif *extif, + u32 ticks) +{ + extif_write32(extif, SSB_EXTIF_WATCHDOG, ticks); +} + u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask) { return extif_read32(extif, SSB_EXTIF_GPIO_IN) & mask; diff --git a/drivers/ssb/embedded.c b/drivers/ssb/embedded.c new file mode 100644 index 0000000..751f58a --- /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; +} |