Merge ../linux-2.6

[safe/jmp/linux-2.6] / arch / powerpc / kernel / setup_64.c

diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index e20c1fa..05b1522 100644 (file)
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -73,7 +73,6 @@
 
 int have_of = 1;
 int boot_cpuid = 0;
-int boot_cpuid_phys = 0;
 dev_t boot_dev;
 u64 ppc64_pft_size;
 
@@ -96,11 +95,6 @@ int dcache_bsize;
 int icache_bsize;
 int ucache_bsize;
 
-/* The main machine-dep calls structure
- */
-struct machdep_calls ppc_md;
-EXPORT_SYMBOL(ppc_md);
-
 #ifdef CONFIG_MAGIC_SYSRQ
 unsigned long SYSRQ_KEY;
 #endif /* CONFIG_MAGIC_SYSRQ */
@@ -161,32 +155,6 @@ early_param("smt-enabled", early_smt_enabled);
 #define check_smt_enabled()
 #endif /* CONFIG_SMP */
 
-extern struct machdep_calls pSeries_md;
-extern struct machdep_calls pmac_md;
-extern struct machdep_calls maple_md;
-extern struct machdep_calls cell_md;
-extern struct machdep_calls iseries_md;
-
-/* Ultimately, stuff them in an elf section like initcalls... */
-static struct machdep_calls __initdata *machines[] = {
-#ifdef CONFIG_PPC_PSERIES
-       &pSeries_md,
-#endif /* CONFIG_PPC_PSERIES */
-#ifdef CONFIG_PPC_PMAC
-       &pmac_md,
-#endif /* CONFIG_PPC_PMAC */
-#ifdef CONFIG_PPC_MAPLE
-       &maple_md,
-#endif /* CONFIG_PPC_MAPLE */
-#ifdef CONFIG_PPC_CELL
-       &cell_md,
-#endif
-#ifdef CONFIG_PPC_ISERIES
-       &iseries_md,
-#endif
-       NULL
-};
-
 /*
  * Early initialization entry point. This is called by head.S
  * with MMU translation disabled. We rely on the "feature" of
@@ -208,13 +176,10 @@ static struct machdep_calls __initdata *machines[] = {
 
 void __init early_setup(unsigned long dt_ptr)
 {
-       struct paca_struct *lpaca = get_paca();
-       static struct machdep_calls **mach;
-
        /* Enable early debugging if any specified (see udbg.h) */
        udbg_early_init();
 
-       DBG(" -> early_setup()\n");
+       DBG(" -> early_setup(), dt_ptr: 0x%lx\n", dt_ptr);
 
        /*
         * Do early initializations using the flattened device
@@ -223,22 +188,16 @@ void __init early_setup(unsigned long dt_ptr)
         */
        early_init_devtree(__va(dt_ptr));
 
-       /*
-        * Iterate all ppc_md structures until we find the proper
-        * one for the current machine type
-        */
-       DBG("Probing machine type for platform %x...\n", _machine);
+       /* Now we know the logical id of our boot cpu, setup the paca. */
+       setup_boot_paca();
 
-       for (mach = machines; *mach; mach++) {
-               if ((*mach)->probe(_machine))
-                       break;
-       }
-       /* What can we do if we didn't find ? */
-       if (*mach == NULL) {
-               DBG("No suitable machine found !\n");
-               for (;;);
-       }
-       ppc_md = **mach;
+       /* Fix up paca fields required for the boot cpu */
+       get_paca()->cpu_start = 1;
+       get_paca()->stab_real = __pa((u64)&initial_stab);
+       get_paca()->stab_addr = (u64)&initial_stab;
+
+       /* Probe the machine type */
+       probe_machine();
 
 #ifdef CONFIG_CRASH_DUMP
        kdump_setup();
@@ -260,7 +219,7 @@ void __init early_setup(unsigned long dt_ptr)
                if (cpu_has_feature(CPU_FTR_SLB))
                        slb_initialize();
                else
-                       stab_initialize(lpaca->stab_real);
+                       stab_initialize(get_paca()->stab_real);
        }
 
        DBG(" <- early_setup()\n");
@@ -340,7 +299,7 @@ static void __init initialize_cache_info(void)
                        const char *dc, *ic;
 
                        /* Then read cache informations */
-                       if (_machine == PLATFORM_POWERMAC) {
+                       if (machine_is(powermac)) {
                                dc = "d-cache-block-size";
                                ic = "i-cache-block-size";
                        } else {
@@ -484,7 +443,6 @@ void __init setup_system(void)
        printk("ppc64_pft_size                = 0x%lx\n", ppc64_pft_size);
        printk("ppc64_interrupt_controller    = 0x%ld\n",
               ppc64_interrupt_controller);
-       printk("platform                      = 0x%x\n", _machine);
        printk("physicalMemorySize            = 0x%lx\n", lmb_phys_mem_size());
        printk("ppc64_caches.dcache_line_size = 0x%x\n",
               ppc64_caches.dline_size);
@@ -602,12 +560,6 @@ void __init setup_arch(char **cmdline_p)
 
        ppc_md.setup_arch();
 
-       /* Use the default idle loop if the platform hasn't provided one. */
-       if (NULL == ppc_md.idle_loop) {
-               ppc_md.idle_loop = default_idle;
-               printk(KERN_INFO "Using default idle loop\n");
-       }
-
        paging_init();
        ppc64_boot_msg(0x15, "Setup Done");
 }