1 /* 2 * Copyright (C) 2016, Red Hat Inc, Andrew Jones <drjones@redhat.com> 3 * 4 * This work is licensed under the terms of the GNU LGPL, version 2. 5 */ 6 #include <asm/gic.h> 7 #include <asm/io.h> 8 9 void gicv2_enable_defaults(void) 10 { 11 void *dist = gicv2_dist_base(); 12 void *cpu_base = gicv2_cpu_base(); 13 unsigned int i; 14 15 gicv2_data.irq_nr = GICD_TYPER_IRQS(readl(dist + GICD_TYPER)); 16 if (gicv2_data.irq_nr > 1020) 17 gicv2_data.irq_nr = 1020; 18 19 for (i = 0; i < gicv2_data.irq_nr; i += 4) 20 writel(GICD_INT_DEF_PRI_X4, dist + GICD_IPRIORITYR + i); 21 22 writel(GICD_INT_EN_SET_SGI, dist + GICD_ISENABLER + 0); 23 writel(GICD_ENABLE, dist + GICD_CTLR); 24 25 writel(GICC_INT_PRI_THRESHOLD, cpu_base + GICC_PMR); 26 writel(GICC_ENABLE, cpu_base + GICC_CTLR); 27 } 28