diff options
Diffstat (limited to 'arch/arm/mach-omap2/omap4-common.c')
| -rw-r--r-- | arch/arm/mach-omap2/omap4-common.c | 16 |
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 2aeb928efdfd..13b27ffaf45e 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(); } |