diff options
Diffstat (limited to 'arch/arm/mach-gemini/board-dt.c')
| -rw-r--r-- | arch/arm/mach-gemini/board-dt.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mach-gemini/board-dt.c b/arch/arm/mach-gemini/board-dt.c index 208ea99cdc47..c0c0ebdd551e 100644 --- a/arch/arm/mach-gemini/board-dt.c +++ b/arch/arm/mach-gemini/board-dt.c @@ -7,6 +7,8 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> +#include <asm/system_misc.h> +#include <asm/proc-fns.h> #ifdef CONFIG_DEBUG_GEMINI /* This is needed for LL-debug/earlyprintk/debug-macro.S */ @@ -27,6 +29,27 @@ static void __init gemini_map_io(void) #define gemini_map_io NULL #endif +static void gemini_idle(void) +{ + /* + * Because of broken hardware we have to enable interrupts or the CPU + * will never wakeup... Acctualy it is not very good to enable + * interrupts first since scheduler can miss a tick, but there is + * no other way around this. Platforms that needs it for power saving + * should enable it in init code, since by default it is + * disabled. + */ + + /* FIXME: Enabling interrupts here is racy! */ + local_irq_enable(); + cpu_do_idle(); +} + +static void __init gemini_init_machine(void) +{ + arm_pm_idle = gemini_idle; +} + static const char *gemini_board_compat[] = { "cortina,gemini", NULL, @@ -34,5 +57,6 @@ static const char *gemini_board_compat[] = { DT_MACHINE_START(GEMINI_DT, "Gemini (Device Tree)") .map_io = gemini_map_io, + .init_machine = gemini_init_machine, .dt_compat = gemini_board_compat, MACHINE_END |