diff options
| author | Nishanth Menon <nm@ti.com> | 2016-02-25 21:53:44 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-03-15 02:18:36 +0300 |
| commit | ec00b2e3abd0817f871d66c3f8cb9f35fdaf6ffb (patch) | |
| tree | 3bc08129abe7a726aff27f2b5eaf96fe38c6d541 /arch/arm/mach-keystone/include | |
| parent | 7ca12b97001a1d45623b98f54ba5bf789146b71b (diff) | |
| download | u-boot-ec00b2e3abd0817f871d66c3f8cb9f35fdaf6ffb.tar.xz | |
ARM: keystone2: psc: introduce function to hold and release module in reset.
These are useful for modules that need to be held in reset and are
enabled for data to be loaded on to them. Typically these are
microcontrollers or other processing entities in the system.
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'arch/arm/mach-keystone/include')
| -rw-r--r-- | arch/arm/mach-keystone/include/mach/psc_defs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mach-keystone/include/mach/psc_defs.h b/arch/arm/mach-keystone/include/mach/psc_defs.h index 2202946be5..6e6e7fd433 100644 --- a/arch/arm/mach-keystone/include/mach/psc_defs.h +++ b/arch/arm/mach-keystone/include/mach/psc_defs.h @@ -56,6 +56,8 @@ #define PSC_REG_MDSTAT_GET_STATUS(x) BOOT_READ_BITFIELD((x), 5, 0) #define PSC_REG_MDSTAT_GET_LRSTZ(x) BOOT_READ_BITFIELD((x), 8, 8) #define PSC_REG_MDSTAT_GET_LRSTDONE(x) BOOT_READ_BITFIELD((x), 9, 9) +#define PSC_REG_MDSTAT_GET_MRSTZ(x) BOOT_READ_BITFIELD((x), 10, 10) +#define PSC_REG_MDSTAT_GET_MRSTDONE(x) BOOT_READ_BITFIELD((x), 11, 11) /* PDCTL states */ #define PSC_REG_VAL_PDCTL_NEXT_ON 1 @@ -86,5 +88,7 @@ u32 psc_get_domain_num(u32 mod_num); int psc_enable_module(u32 mod_num); int psc_disable_module(u32 mod_num); int psc_disable_domain(u32 domain_num); +int psc_module_keep_in_reset_enabled(u32 mod_num, bool gate_clocks); +int psc_module_release_from_reset(u32 mod_num); #endif /* _PSC_DEFS_H_ */ |