diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig index d976660cb7f07902f70215d530a89008ae9ed4a6..78fd33125e02af630bdcbe6e8a6eb352d0931f15 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 7be3975958058539f7a9175175d6ef72a7fc53ab..e235144add7c27d8ca26eccd95404523dd4bf3d0 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 fe55eb8b038a9e5d469a6936887c6c5fbcd96b33..b1899f422a547340c498dd8422a273a1044352af 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 0000000000000000000000000000000000000000..751f58ac612ca978247b4314e4fbe0a4abbf6a30 --- /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 + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include +#include + + +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; +} diff --git a/include/linux/ssb/ssb_driver_chipcommon.h b/include/linux/ssb/ssb_driver_chipcommon.h index 35717b400cef9214197d300af44bf4f481050158..89638153cbe1c8cbeef33926ad3df70c0e7f655f 100644 --- a/include/linux/ssb/ssb_driver_chipcommon.h +++ b/include/linux/ssb/ssb_driver_chipcommon.h @@ -360,6 +360,11 @@ struct ssb_chipcommon { u16 fast_pwrup_delay; }; +static inline bool ssb_chipco_available(struct ssb_chipcommon *cc) +{ + return (cc->dev != NULL); +} + extern void ssb_chipcommon_init(struct ssb_chipcommon *cc); #include diff --git a/include/linux/ssb/ssb_driver_extif.h b/include/linux/ssb/ssb_driver_extif.h index a9164357b5ae7325bb6bcfee861c7ff941aeace4..0d7c9bfa965d4f8686e1861c90e5b75464ac0149 100644 --- a/include/linux/ssb/ssb_driver_extif.h +++ b/include/linux/ssb/ssb_driver_extif.h @@ -171,6 +171,9 @@ extern void ssb_extif_get_clockcontrol(struct ssb_extif *extif, 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); + u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask); void ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value); @@ -200,5 +203,11 @@ void ssb_extif_get_clockcontrol(struct ssb_extif *extif, { } +static inline +void ssb_extif_watchdog_timer_set(struct ssb_extif *extif, + u32 ticks) +{ +} + #endif /* CONFIG_SSB_DRIVER_EXTIF */ #endif /* LINUX_SSB_EXTIFCORE_H_ */ diff --git a/include/linux/ssb/ssb_embedded.h b/include/linux/ssb/ssb_embedded.h new file mode 100644 index 0000000000000000000000000000000000000000..80bd584964501852b79bd4d7a8fdc45ae5ccc1ac --- /dev/null +++ b/include/linux/ssb/ssb_embedded.h @@ -0,0 +1,10 @@ +#ifndef LINUX_SSB_EMBEDDED_H_ +#define LINUX_SSB_EMBEDDED_H_ + +#include +#include + + +extern int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks); + +#endif /* LINUX_SSB_EMBEDDED_H_ */