microblaze: Add support for Xilinx PCI host bridge

[pandora-kernel.git] / arch / microblaze / kernel / setup.c

diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index bb8c4b9..cd68e98 100644 (file)
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -22,7 +22,10 @@
 #include <linux/io.h>
 #include <linux/bug.h>
 #include <linux/param.h>
+#include <linux/pci.h>
 #include <linux/cache.h>
+#include <linux/of_platform.h>
+#include <linux/dma-mapping.h>
 #include <asm/cacheflush.h>
 #include <asm/entry.h>
 #include <asm/cpuinfo.h>
@@ -62,6 +65,8 @@ void __init setup_arch(char **cmdline_p)
 
        setup_memory();
 
+       xilinx_pci_init();
+
 #if defined(CONFIG_SELFMOD_INTC) || defined(CONFIG_SELFMOD_TIMER)
        printk(KERN_NOTICE "Self modified code enable\n");
 #endif
@@ -188,3 +193,37 @@ static int microblaze_debugfs_init(void)
 }
 arch_initcall(microblaze_debugfs_init);
 #endif
+
+static int dflt_bus_notify(struct notifier_block *nb,
+                               unsigned long action, void *data)
+{
+       struct device *dev = data;
+
+       /* We are only intereted in device addition */
+       if (action != BUS_NOTIFY_ADD_DEVICE)
+               return 0;
+
+       set_dma_ops(dev, &dma_direct_ops);
+
+       return NOTIFY_DONE;
+}
+
+static struct notifier_block dflt_plat_bus_notifier = {
+       .notifier_call = dflt_bus_notify,
+       .priority = INT_MAX,
+};
+
+static struct notifier_block dflt_of_bus_notifier = {
+       .notifier_call = dflt_bus_notify,
+       .priority = INT_MAX,
+};
+
+static int __init setup_bus_notifier(void)
+{
+       bus_register_notifier(&platform_bus_type, &dflt_plat_bus_notifier);
+       bus_register_notifier(&of_platform_bus_type, &dflt_of_bus_notifier);
+
+       return 0;
+}
+
+arch_initcall(setup_bus_notifier);