diff options
Diffstat (limited to 'arch/powerpc/platforms/microwatt/setup.c')
| -rw-r--r-- | arch/powerpc/platforms/microwatt/setup.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/microwatt/setup.c b/arch/powerpc/platforms/microwatt/setup.c index 6b32539395a4..6af2ccef736c 100644 --- a/arch/powerpc/platforms/microwatt/setup.c +++ b/arch/powerpc/platforms/microwatt/setup.c @@ -23,27 +23,39 @@ static void __init microwatt_init_IRQ(void) xics_init(); } -static int __init microwatt_probe(void) -{ - return of_machine_is_compatible("microwatt-soc"); -} - static int __init microwatt_populate(void) { return of_platform_default_populate(NULL, NULL, NULL); } machine_arch_initcall(microwatt, microwatt_populate); +static int __init microwatt_probe(void) +{ + /* Main reason for having this is to start the other CPU(s) */ + if (IS_ENABLED(CONFIG_SMP)) + microwatt_init_smp(); + return 1; +} + static void __init microwatt_setup_arch(void) { microwatt_rng_init(); } +static void microwatt_idle(void) +{ + if (!prep_irq_for_idle_irqsoff()) + return; + + __asm__ __volatile__ ("wait"); +} + define_machine(microwatt) { .name = "microwatt", + .compatible = "microwatt-soc", .probe = microwatt_probe, .init_IRQ = microwatt_init_IRQ, .setup_arch = microwatt_setup_arch, .progress = udbg_progress, - .calibrate_decr = generic_calibrate_decr, + .power_save = microwatt_idle, }; |