[POWERPC] Add xmon function to dump 44x TLB

[linux-2.6-omap-h63xx.git] / arch / powerpc / sysdev / mv64x60_dev.c

diff --git a/arch/powerpc/sysdev/mv64x60_dev.c b/arch/powerpc/sysdev/mv64x60_dev.c
index b618fa60aef342f42dad4e845f1d9a73718cfee3..548a32082e4a2f65dd5173b47ad2ded12e1f1573 100644 (file)
--- a/arch/powerpc/sysdev/mv64x60_dev.c
+++ b/arch/powerpc/sysdev/mv64x60_dev.c
@@ -390,6 +390,61 @@ error:
        return err;
 }
 
+/*
+ * Create mv64x60_wdt platform devices
+ */
+static int __init mv64x60_wdt_device_setup(struct device_node *np, int id)
+{
+       struct resource r;
+       struct platform_device *pdev;
+       struct mv64x60_wdt_pdata pdata;
+       const unsigned int *prop;
+       int err;
+
+       err = of_address_to_resource(np, 0, &r);
+       if (err)
+               return err;
+
+       memset(&pdata, 0, sizeof(pdata));
+
+       prop = of_get_property(np, "timeout", NULL);
+       if (!prop)
+               return -ENODEV;
+       pdata.timeout = *prop;
+
+       np = of_get_parent(np);
+       if (!np)
+               return -ENODEV;
+
+       prop = of_get_property(np, "clock-frequency", NULL);
+       of_node_put(np);
+       if (!prop)
+               return -ENODEV;
+       pdata.bus_clk = *prop / 1000000; /* wdt driver wants freq in MHz */
+
+       pdev = platform_device_alloc(MV64x60_WDT_NAME, id);
+       if (!pdev)
+               return -ENOMEM;
+
+       err = platform_device_add_resources(pdev, &r, 1);
+       if (err)
+               goto error;
+
+       err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
+       if (err)
+               goto error;
+
+       err = platform_device_add(pdev);
+       if (err)
+               goto error;
+
+       return 0;
+
+error:
+       platform_device_put(pdev);
+       return err;
+}
+
 static int __init mv64x60_device_setup(void)
 {
        struct device_node *np = NULL;
@@ -414,6 +469,15 @@ static int __init mv64x60_device_setup(void)
                if ((err = mv64x60_i2c_device_setup(np, id)))
                        goto error;
 
+       /* support up to one watchdog timer */
+       np = of_find_compatible_node(np, NULL, "marvell,mv64x60-wdt");
+       if (np) {
+               if ((err = mv64x60_wdt_device_setup(np, id)))
+                       goto error;
+               of_node_put(np);
+       }
+
+
        return 0;
 
 error: