1 files changed, 59 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index bfd60e4acce..0636a3df697 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -335,3 +335,62 @@ define_machine(maple) {
         .progress               = maple_progress,
         .power_save             = power4_idle,
 };
+
+#ifdef CONFIG_EDAC
+/*
+ * Register a platform device for CPC925 memory controller on
+ * Motorola ATCA-6101 blade.
+ */
+#define MAPLE_CPC925_MODEL      "Motorola,ATCA-6101"
+static int __init maple_cpc925_edac_setup(void)
+{
+        struct platform_device *pdev;
+        struct device_node *np = NULL;
+        struct resource r;
+        const unsigned char *model;
+        int ret;
+
+        np = of_find_node_by_path("/");
+        if (!np) {
+                printk(KERN_ERR "%s: Unable to get root node\n", __func__);
+                return -ENODEV;
+        }
+
+        model = (const unsigned char *)of_get_property(np, "model", NULL);
+        if (!model) {
+                printk(KERN_ERR "%s: Unabel to get model info\n", __func__);
+                return -ENODEV;
+        }
+
+        ret = strcmp(model, MAPLE_CPC925_MODEL);
+        of_node_put(np);
+
+        if (ret != 0)
+                return 0;
+
+        np = of_find_node_by_type(NULL, "memory-controller");
+        if (!np) {
+                printk(KERN_ERR "%s: Unable to find memory-controller node\n",
+                        __func__);
+                return -ENODEV;
+        }
+
+        ret = of_address_to_resource(np, 0, &r);
+        of_node_put(np);
+
+        if (ret < 0) {
+                printk(KERN_ERR "%s: Unable to get memory-controller reg\n",
+                        __func__);
+                return -ENODEV;
+        }
+
+        pdev = platform_device_register_simple("cpc925_edac", 0, &r, 1);
+        if (IS_ERR(pdev))
+                return PTR_ERR(pdev);
+
+        printk(KERN_INFO "%s: CPC925 platform device created\n", __func__);
+
+        return 0;
+}
+machine_device_initcall(maple, maple_cpc925_edac_setup);
+#endif