[PATCH] powerpc: Fix Maple build

[linux-2.6-omap-h63xx.git] / arch / powerpc / platforms / maple / setup.c

diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index a1cb4d2367204ecd01b3df138f8ac9dd4f7d7f86..ec5c1e10c407253bc2e8b3ba0ea2f3b738f6d7aa 100644 (file)
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -71,38 +71,60 @@
 #define DBG(fmt...)
 #endif
 
+static unsigned long maple_find_nvram_base(void)
+{
+       struct device_node *rtcs;
+       unsigned long result = 0;
+
+       /* find NVRAM device */
+       rtcs = of_find_compatible_node(NULL, "nvram", "AMD8111");
+       if (rtcs) {
+               struct resource r;
+               if (of_address_to_resource(rtcs, 0, &r)) {
+                       printk(KERN_EMERG "Maple: Unable to translate NVRAM"
+                              " address\n");
+                       goto bail;
+               }
+               if (!(r.flags & IORESOURCE_IO)) {
+                       printk(KERN_EMERG "Maple: NVRAM address isn't PIO!\n");
+                       goto bail;
+               }
+               result = r.start;
+       } else
+               printk(KERN_EMERG "Maple: Unable to find NVRAM\n");
+ bail:
+       of_node_put(rtcs);
+       return result;
+}
+
 static void maple_restart(char *cmd)
 {
        unsigned int maple_nvram_base;
        unsigned int maple_nvram_offset;
        unsigned int maple_nvram_command;
-       struct device_node *rtcs;
+       struct device_node *sp;
 
-       /* find NVRAM device */
-       rtcs = find_compatible_devices("nvram", "AMD8111");
-       if (rtcs && rtcs->addrs) {
-               maple_nvram_base = rtcs->addrs[0].address;
-       } else {
-               printk(KERN_EMERG "Maple: Unable to find NVRAM\n");
-               printk(KERN_EMERG "Maple: Manual Restart Required\n");
-               return;
-       }
+       maple_nvram_base = maple_find_nvram_base();
+       if (maple_nvram_base == 0)
+               goto fail;
 
        /* find service processor device */
-       rtcs = find_devices("service-processor");
-       if (!rtcs) {
+       sp = of_find_node_by_name(NULL, "service-processor");
+       if (!sp) {
                printk(KERN_EMERG "Maple: Unable to find Service Processor\n");
-               printk(KERN_EMERG "Maple: Manual Restart Required\n");
-               return;
+               goto fail;
        }
-       maple_nvram_offset = *(unsigned int*) get_property(rtcs,
+       maple_nvram_offset = *(unsigned int*) get_property(sp,
                        "restart-addr", NULL);
-       maple_nvram_command = *(unsigned int*) get_property(rtcs,
+       maple_nvram_command = *(unsigned int*) get_property(sp,
                        "restart-value", NULL);
+       of_node_put(sp);
 
        /* send command */
        outb_p(maple_nvram_command, maple_nvram_base + maple_nvram_offset);
        for (;;) ;
+ fail:
+       printk(KERN_EMERG "Maple: Manual Restart Required\n");
 }
 
 static void maple_power_off(void)
@@ -110,33 +132,29 @@ static void maple_power_off(void)
        unsigned int maple_nvram_base;
        unsigned int maple_nvram_offset;
        unsigned int maple_nvram_command;
-       struct device_node *rtcs;
+       struct device_node *sp;
 
-       /* find NVRAM device */
-       rtcs = find_compatible_devices("nvram", "AMD8111");
-       if (rtcs && rtcs->addrs) {
-               maple_nvram_base = rtcs->addrs[0].address;
-       } else {
-               printk(KERN_EMERG "Maple: Unable to find NVRAM\n");
-               printk(KERN_EMERG "Maple: Manual Power-Down Required\n");
-               return;
-       }
+       maple_nvram_base = maple_find_nvram_base();
+       if (maple_nvram_base == 0)
+               goto fail;
 
        /* find service processor device */
-       rtcs = find_devices("service-processor");
-       if (!rtcs) {
+       sp = of_find_node_by_name(NULL, "service-processor");
+       if (!sp) {
                printk(KERN_EMERG "Maple: Unable to find Service Processor\n");
-               printk(KERN_EMERG "Maple: Manual Power-Down Required\n");
-               return;
+               goto fail;
        }
-       maple_nvram_offset = *(unsigned int*) get_property(rtcs,
+       maple_nvram_offset = *(unsigned int*) get_property(sp,
                        "power-off-addr", NULL);
-       maple_nvram_command = *(unsigned int*) get_property(rtcs,
+       maple_nvram_command = *(unsigned int*) get_property(sp,
                        "power-off-value", NULL);
+       of_node_put(sp);
 
        /* send command */
        outb_p(maple_nvram_command, maple_nvram_base + maple_nvram_offset);
        for (;;) ;
+ fail:
+       printk(KERN_EMERG "Maple: Manual Power-Down Required\n");
 }
 
 static void maple_halt(void)
@@ -179,9 +197,6 @@ void __init maple_setup_arch(void)
  */
 static void __init maple_init_early(void)
 {
-       unsigned int default_speed;
-       u64 physport;
-
        DBG(" -> maple_init_early\n");
 
        /* Initialize hash table, from now on, we can take hash faults