1 files changed, 54 insertions, 0 deletions

diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index d75b0a78d88a..40e36a50304c 100644
--- a/arch/arm/mach-highbank/highbank.c
+++ b/arch/arm/mach-highbank/highbank.c
@@ -15,6 +15,7 @@
  */
 #include <linux/clk.h>
 #include <linux/clkdev.h>
+#include <linux/dma-mapping.h>
 #include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/irqdomain.h>
@@ -23,6 +24,7 @@
 #include <linux/of_platform.h>
 #include <linux/of_address.h>
 #include <linux/smp.h>
+#include <linux/amba/bus.h>
 
 #include <asm/cacheflush.h>
 #include <asm/smp_plat.h>
@@ -149,9 +151,60 @@ static void highbank_power_off(void)
                 cpu_do_idle();
 }
 
+static int highbank_platform_notifier(struct notifier_block *nb,
+                                  unsigned long event, void *__dev)
+{
+        struct resource *res;
+        int reg = -1;
+        struct device *dev = __dev;
+
+        if (event != BUS_NOTIFY_ADD_DEVICE)
+                return NOTIFY_DONE;
+
+        if (of_device_is_compatible(dev->of_node, "calxeda,hb-ahci"))
+                reg = 0xc;
+        else if (of_device_is_compatible(dev->of_node, "calxeda,hb-sdhci"))
+                reg = 0x18;
+        else if (of_device_is_compatible(dev->of_node, "arm,pl330"))
+                reg = 0x20;
+        else if (of_device_is_compatible(dev->of_node, "calxeda,hb-xgmac")) {
+                res = platform_get_resource(to_platform_device(dev),
+                                            IORESOURCE_MEM, 0);
+                if (res) {
+                        if (res->start == 0xfff50000)
+                                reg = 0;
+                        else if (res->start == 0xfff51000)
+                                reg = 4;
+                }
+        }
+
+        if (reg < 0)
+                return NOTIFY_DONE;
+
+        if (of_property_read_bool(dev->of_node, "dma-coherent")) {
+                writel(0xff31, sregs_base + reg);
+                set_dma_ops(dev, &arm_coherent_dma_ops);
+        } else
+                writel(0, sregs_base + reg);
+
+        return NOTIFY_OK;
+}
+
+static struct notifier_block highbank_amba_nb = {
+        .notifier_call = highbank_platform_notifier,
+};
+
+static struct notifier_block highbank_platform_nb = {
+        .notifier_call = highbank_platform_notifier,
+};
+
 static void __init highbank_init(void)
 {
         pm_power_off = highbank_power_off;
+        highbank_pm_init();
+
+        bus_register_notifier(&platform_bus_type, &highbank_platform_nb);
+        bus_register_notifier(&amba_bustype, &highbank_amba_nb);
 
         of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 }
@@ -162,6 +215,7 @@ static const char *highbank_match[] __initconst = {
 };
 
 DT_MACHINE_START(HIGHBANK, "Highbank")
+        .smp            = smp_ops(highbank_smp_ops),
         .map_io         = highbank_map_io,
         .init_irq       = highbank_init_irq,
         .timer          = &highbank_timer,