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Diffstat (limited to 'arch/arm/mach-omap2/omap4-common.c')
-rw-r--r--arch/arm/mach-omap2/omap4-common.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index 2aeb928efdf..13b27ffaf45 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -22,6 +22,7 @@
#include <linux/of_platform.h>
#include <linux/export.h>
#include <linux/irqchip/arm-gic.h>
+#include <linux/of_address.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/mach/map.h>
@@ -264,6 +265,21 @@ omap_early_initcall(omap4_sar_ram_init);
void __init omap_gic_of_init(void)
{
+ struct device_node *np;
+
+ /* Extract GIC distributor and TWD bases for OMAP4460 ROM Errata WA */
+ if (!cpu_is_omap446x())
+ goto skip_errata_init;
+
+ np = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-gic");
+ gic_dist_base_addr = of_iomap(np, 0);
+ WARN_ON(!gic_dist_base_addr);
+
+ np = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-twd-timer");
+ twd_base = of_iomap(np, 0);
+ WARN_ON(!twd_base);
+
+skip_errata_init:
omap_wakeupgen_init();
irqchip_init();
}