static void leon_enable_irq(unsigned int irq_nr) { unsigned long mask, flags; mask = get_irqmask(irq_nr); local_irq_save(flags); LEON3_BYPASS_STORE_PA(LEON_IMASK, (LEON3_BYPASS_LOAD_PA(LEON_IMASK) | (mask))); local_irq_restore(flags); }
void leon_enable_irq_cpu(unsigned int irq_nr, unsigned int cpu) { unsigned long mask, flags, *addr; mask = get_irqmask(irq_nr); local_irq_save(flags); addr = (unsigned long *)&(leon3_irqctrl_regs->mask[cpu]); LEON3_BYPASS_STORE_PA(addr, (LEON3_BYPASS_LOAD_PA(addr) | (mask))); local_irq_restore(flags); }
void leon3_rs_put_char_base(LEON3_APBUART_Regs_Map * uart_regs, char ch) { int flags, loops; local_irq_save(flags); loops = 0; while (! (LEON3_BYPASS_LOAD_PA(&(uart_regs->status)) & LEON_REG_UART_STATUS_THE) && (loops < 100000)) loops++; LEON3_BYPASS_STORE_PA(&(uart_regs->data), ch); loops = 0; while (! (LEON3_BYPASS_LOAD_PA(&(uart_regs->status)) & LEON_REG_UART_STATUS_TSE) && (loops < 100000)) loops++; local_irq_restore(flags); }
static void leon_clear_ipi(int cpu, int level) { unsigned long mask; mask = get_irqmask(level); LEON3_BYPASS_STORE_PA(&leon3_irqctrl_regs->force[cpu], mask<<16); }
void leon_set_cpu_int(int cpu, int level) { unsigned long mask; mask = get_irqmask(level); LEON3_BYPASS_STORE_PA(&leon3_irqctrl_regs->force[cpu], mask); }
void __init leon_init_timers(irq_handler_t counter_fn) { int irq; leondebug_irq_disable = 0; leon_debug_irqout = 0; master_l10_counter = (unsigned int *)&dummy_master_l10_counter; dummy_master_l10_counter = 0; if (leon3_gptimer_regs && leon3_irqctrl_regs) { LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].val, 0); LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].rld, (((1000000 / HZ) - 1))); LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].ctrl, 0); #ifdef CONFIG_SMP leon_percpu_timer_dev[0].start = (int)leon3_gptimer_regs; leon_percpu_timer_dev[0].irq = leon3_gptimer_irq+1; if (!(LEON3_BYPASS_LOAD_PA(&leon3_gptimer_regs->config) & (1<<LEON3_GPTIMER_SEPIRQ))) { prom_printf("irq timer not configured with separate irqs\n"); BUG(); } LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].val, 0); LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].rld, (((1000000/HZ) - 1))); LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].ctrl, 0); # endif } else { printk(KERN_ERR "No Timer/irqctrl found\n"); BUG(); } irq = request_irq(leon3_gptimer_irq, counter_fn, (IRQF_DISABLED | SA_STATIC_ALLOC), "timer", NULL); if (irq) { printk(KERN_ERR "leon_time_init: unable to attach IRQ%d\n", LEON_INTERRUPT_TIMER1); prom_halt(); } # ifdef CONFIG_SMP { unsigned long flags; struct tt_entry *trap_table = &sparc_ttable[SP_TRAP_IRQ1 + (leon_percpu_timer_dev[0].irq - 1)]; /* For SMP we use the level 14 ticker, however the bootup code * has copied the firmwares level 14 vector into boot cpu's * trap table, we must fix this now or we get squashed. */ local_irq_save(flags); patchme_maybe_smp_msg[0] = 0x01000000; /* NOP out the branch */ /* Adjust so that we jump directly to smpleon_ticker */ trap_table->inst_three += smpleon_ticker - real_irq_entry; local_flush_cache_all(); local_irq_restore(flags); } # endif if (leon3_gptimer_regs) { LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].ctrl, LEON3_GPTIMER_EN | LEON3_GPTIMER_RL | LEON3_GPTIMER_LD | LEON3_GPTIMER_IRQEN); #ifdef CONFIG_SMP LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].ctrl, LEON3_GPTIMER_EN | LEON3_GPTIMER_RL | LEON3_GPTIMER_LD | LEON3_GPTIMER_IRQEN); #endif } }