diff options
Diffstat (limited to 'arch/arm/mach-socfpga/reset_manager_s10.c')
| -rw-r--r-- | arch/arm/mach-socfpga/reset_manager_s10.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/reset_manager_s10.c b/arch/arm/mach-socfpga/reset_manager_s10.c index f176c384951..f8dd787cc6a 100644 --- a/arch/arm/mach-socfpga/reset_manager_s10.c +++ b/arch/arm/mach-socfpga/reset_manager_s10.c @@ -103,3 +103,12 @@ void reset_deassert_peripherals_handoff(void) writel(~RSTMGR_PER0MODRST_OCP_MASK, &reset_manager_base->per0modrst); writel(0, &reset_manager_base->per0modrst); } + +/* + * Return non-zero if the CPU has been warm reset + */ +int cpu_has_been_warmreset(void) +{ + return readl(&reset_manager_base->status) & + RSTMGR_L4WD_MPU_WARMRESET_MASK; +} |