include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...

[safe/jmp/linux-2.6] / arch / powerpc / platforms / chrp / setup.c

diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index 42a21ba..8553cc4 100644 (file)
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -15,16 +15,14 @@
 #include <linux/stddef.h>
 #include <linux/unistd.h>
 #include <linux/ptrace.h>
-#include <linux/slab.h>
 #include <linux/user.h>
-#include <linux/a.out.h>
 #include <linux/tty.h>
 #include <linux/major.h>
 #include <linux/interrupt.h>
 #include <linux/reboot.h>
 #include <linux/init.h>
 #include <linux/pci.h>
-#include <linux/utsrelease.h>
+#include <generated/utsrelease.h>
 #include <linux/adb.h>
 #include <linux/module.h>
 #include <linux/delay.h>
@@ -63,13 +61,6 @@ static struct mpic *chrp_mpic;
 DEFINE_PER_CPU(struct timer_list, heartbeat_timer);
 unsigned long event_scan_interval;
 
-/*
- * XXX this should be in xmon.h, but putting it there means xmon.h
- * has to include <linux/interrupt.h> (to get irqreturn_t), which
- * causes all sorts of problems.  -- paulus
- */
-extern irqreturn_t xmon_irq(int, void *);
-
 extern unsigned long loops_per_jiffy;
 
 /* To be replaced by RTAS when available */
@@ -256,6 +247,57 @@ static void briq_restart(char *cmd)
        for(;;);
 }
 
+/*
+ * Per default, input/output-device points to the keyboard/screen
+ * If no card is installed, the built-in serial port is used as a fallback.
+ * But unfortunately, the firmware does not connect /chosen/{stdin,stdout}
+ * the the built-in serial node. Instead, a /failsafe node is created.
+ */
+static void chrp_init_early(void)
+{
+       struct device_node *node;
+       const char *property;
+
+       if (strstr(cmd_line, "console="))
+               return;
+       /* find the boot console from /chosen/stdout */
+       if (!of_chosen)
+               return;
+       node = of_find_node_by_path("/");
+       if (!node)
+               return;
+       property = of_get_property(node, "model", NULL);
+       if (!property)
+               goto out_put;
+       if (strcmp(property, "Pegasos2"))
+               goto out_put;
+       /* this is a Pegasos2 */
+       property = of_get_property(of_chosen, "linux,stdout-path", NULL);
+       if (!property)
+               goto out_put;
+       of_node_put(node);
+       node = of_find_node_by_path(property);
+       if (!node)
+               return;
+       property = of_get_property(node, "device_type", NULL);
+       if (!property)
+               goto out_put;
+       if (strcmp(property, "serial"))
+               goto out_put;
+       /*
+        * The 9pin connector is either /failsafe
+        * or /pci@80000000/isa@C/serial@i2F8
+        * The optional graphics card has also type 'serial' in VGA mode.
+        */
+       property = of_get_property(node, "name", NULL);
+       if (!property)
+               goto out_put;
+       if (!strcmp(property, "failsafe") || !strcmp(property, "serial"))
+               add_preferred_console("ttyS", 0, NULL);
+out_put:
+       of_node_put(node);
+}
+
 void __init chrp_setup_arch(void)
 {
        struct device_node *root = of_find_node_by_path("/");
@@ -321,19 +363,6 @@ void __init chrp_setup_arch(void)
        if (ppc_md.progress) ppc_md.progress("Linux/PPC "UTS_RELEASE"\n", 0x0);
 }
 
-void
-chrp_event_scan(unsigned long unused)
-{
-       unsigned char log[1024];
-       int ret = 0;
-
-       /* XXX: we should loop until the hardware says no more error logs -- Cort */
-       rtas_call(rtas_token("event-scan"), 4, 1, &ret, 0xffffffff, 0,
-                 __pa(log), 1024);
-       mod_timer(&__get_cpu_var(heartbeat_timer),
-                 jiffies + event_scan_interval);
-}
-
 static void chrp_8259_cascade(unsigned int irq, struct irq_desc *desc)
 {
        unsigned int cascade_irq = i8259_irq();
@@ -429,7 +458,6 @@ static void __init chrp_find_openpic(void)
 #if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_XMON)
 static struct irqaction xmon_irqaction = {
        .handler = xmon_irq,
-       .mask = CPU_MASK_NONE,
        .name = "XMON break",
 };
 #endif
@@ -526,9 +554,6 @@ void __init chrp_init_IRQ(void)
 void __init
 chrp_init2(void)
 {
-       struct device_node *device;
-       const unsigned int *p = NULL;
-
 #ifdef CONFIG_NVRAM
        chrp_nvram_init();
 #endif
@@ -540,40 +565,6 @@ chrp_init2(void)
        request_region(0x80,0x10,"dma page reg");
        request_region(0xc0,0x20,"dma2");
 
-       /* Get the event scan rate for the rtas so we know how
-        * often it expects a heartbeat. -- Cort
-        */
-       device = of_find_node_by_name(NULL, "rtas");
-       if (device)
-               p = of_get_property(device, "rtas-event-scan-rate", NULL);
-       if (p && *p) {
-               /*
-                * Arrange to call chrp_event_scan at least *p times
-                * per minute.  We use 59 rather than 60 here so that
-                * the rate will be slightly higher than the minimum.
-                * This all assumes we don't do hotplug CPU on any
-                * machine that needs the event scans done.
-                */
-               unsigned long interval, offset;
-               int cpu, ncpus;
-               struct timer_list *timer;
-
-               interval = HZ * 59 / *p;
-               offset = HZ;
-               ncpus = num_online_cpus();
-               event_scan_interval = ncpus * interval;
-               for (cpu = 0; cpu < ncpus; ++cpu) {
-                       timer = &per_cpu(heartbeat_timer, cpu);
-                       setup_timer(timer, chrp_event_scan, 0);
-                       timer->expires = jiffies + offset;
-                       add_timer_on(timer, cpu);
-                       offset += interval;
-               }
-               printk("RTAS Event Scan Rate: %u (%lu jiffies)\n",
-                      *p, interval);
-       }
-       of_node_put(device);
-
        if (ppc_md.progress)
                ppc_md.progress("  Have fun!    ", 0x7777);
 }
@@ -599,6 +590,7 @@ define_machine(chrp) {
        .probe                  = chrp_probe,
        .setup_arch             = chrp_setup_arch,
        .init                   = chrp_init2,
+       .init_early             = chrp_init_early,
        .show_cpuinfo           = chrp_show_cpuinfo,
        .init_IRQ               = chrp_init_IRQ,
        .restart                = rtas_restart,