Merge branch 'core/softlockup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[pandora-kernel.git] / arch / powerpc / kernel / setup_32.c

diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index 19e8fcb..066e65c 100644 (file)
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -43,10 +43,6 @@
 
 #define DBG(fmt...)
 
-#if defined CONFIG_KGDB
-#include <asm/kgdb.h>
-#endif
-
 extern void bootx_init(unsigned long r4, unsigned long phys);
 
 int boot_cpuid;
@@ -101,6 +97,10 @@ notrace unsigned long __init early_init(unsigned long dt_ptr)
                          PTRRELOC(&__start___ftr_fixup),
                          PTRRELOC(&__stop___ftr_fixup));
 
+       do_lwsync_fixups(spec->cpu_features,
+                        PTRRELOC(&__start___lwsync_fixup),
+                        PTRRELOC(&__stop___lwsync_fixup));
+
        return KERNELBASE + offset;
 }
 
@@ -127,6 +127,11 @@ notrace void __init machine_init(unsigned long dt_ptr, unsigned long phys)
                ppc_md.power_save = ppc6xx_idle;
 #endif
 
+#ifdef CONFIG_E500
+       if (cpu_has_feature(CPU_FTR_CAN_DOZE) ||
+           cpu_has_feature(CPU_FTR_CAN_NAP))
+               ppc_md.power_save = e500_idle;
+#endif
        if (ppc_md.progress)
                ppc_md.progress("id mach(): done", 0x200);
 }
@@ -248,6 +253,28 @@ static void __init irqstack_early_init(void)
 #define irqstack_early_init()
 #endif
 
+#if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
+static void __init exc_lvl_early_init(void)
+{
+       unsigned int i;
+
+       /* interrupt stacks must be in lowmem, we get that for free on ppc32
+        * as the lmb is limited to lowmem by LMB_REAL_LIMIT */
+       for_each_possible_cpu(i) {
+               critirq_ctx[i] = (struct thread_info *)
+                       __va(lmb_alloc(THREAD_SIZE, THREAD_SIZE));
+#ifdef CONFIG_BOOKE
+               dbgirq_ctx[i] = (struct thread_info *)
+                       __va(lmb_alloc(THREAD_SIZE, THREAD_SIZE));
+               mcheckirq_ctx[i] = (struct thread_info *)
+                       __va(lmb_alloc(THREAD_SIZE, THREAD_SIZE));
+#endif
+       }
+}
+#else
+#define exc_lvl_early_init()
+#endif
+
 /* Warning, IO base is not yet inited */
 void __init setup_arch(char **cmdline_p)
 {
@@ -271,18 +298,6 @@ void __init setup_arch(char **cmdline_p)
 
        xmon_setup();
 
-#if defined(CONFIG_KGDB)
-       if (ppc_md.kgdb_map_scc)
-               ppc_md.kgdb_map_scc();
-       set_debug_traps();
-       if (strstr(cmd_line, "gdb")) {
-               if (ppc_md.progress)
-                       ppc_md.progress("setup_arch: kgdb breakpoint", 0x4000);
-               printk("kgdb breakpoint activated\n");
-               breakpoint();
-       }
-#endif
-
        /*
         * Set cache line size based on type of cpu as a default.
         * Systems with OF can look in the properties on the cpu node(s)
@@ -305,6 +320,8 @@ void __init setup_arch(char **cmdline_p)
        init_mm.end_data = (unsigned long) _edata;
        init_mm.brk = klimit;
 
+       exc_lvl_early_init();
+
        irqstack_early_init();
 
        /* set up the bootmem stuff with available memory */