X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fkernel%2Fsetup_64.c;h=3733de30e84dc07f6a52df31bf3f4506d31ca3ca;hb=refs%2Fheads%2Fvserver;hp=fd1785e4c9bbeec4607af81a10e88a95bc7ee722;hpb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;p=linux-2.6.git diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index fd1785e4c..3733de30e 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -33,6 +33,7 @@ #include #include #include +#include #include #include #include @@ -56,7 +57,6 @@ #include #include #include -#include #include #include #include @@ -72,17 +72,16 @@ int have_of = 1; int boot_cpuid = 0; -dev_t boot_dev; u64 ppc64_pft_size; /* Pick defaults since we might want to patch instructions * before we've read this from the device tree. */ struct ppc64_caches ppc64_caches = { - .dline_size = 0x80, - .log_dline_size = 7, - .iline_size = 0x80, - .log_iline_size = 7 + .dline_size = 0x40, + .log_dline_size = 6, + .iline_size = 0x40, + .log_iline_size = 6 }; EXPORT_SYMBOL_GPL(ppc64_caches); @@ -94,11 +93,6 @@ int dcache_bsize; int icache_bsize; int ucache_bsize; -#ifdef CONFIG_MAGIC_SYSRQ -unsigned long SYSRQ_KEY; -#endif /* CONFIG_MAGIC_SYSRQ */ - - #ifdef CONFIG_SMP static int smt_enabled_cmdline; @@ -107,7 +101,7 @@ static int smt_enabled_cmdline; static void check_smt_enabled(void) { struct device_node *dn; - char *smt_option; + const char *smt_option; /* Allow the command line to overrule the OF option */ if (smt_enabled_cmdline) @@ -116,7 +110,7 @@ static void check_smt_enabled(void) dn = of_find_node_by_path("/options"); if (dn) { - smt_option = (char *)get_property(dn, "ibm,smt-enabled", NULL); + smt_option = get_property(dn, "ibm,smt-enabled", NULL); if (smt_option) { if (!strcmp(smt_option, "on")) @@ -176,6 +170,9 @@ void __init setup_paca(int cpu) void __init early_setup(unsigned long dt_ptr) { + /* Identify CPU type */ + identify_cpu(0, mfspr(SPRN_PVR)); + /* Assume we're on cpu 0 for now. Don't write to the paca yet! */ setup_paca(0); @@ -229,8 +226,8 @@ void early_setup_secondary(void) { struct paca_struct *lpaca = get_paca(); - /* Mark enabled in PACA */ - lpaca->proc_enabled = 0; + /* Mark interrupts enabled in PACA */ + lpaca->soft_enabled = 0; /* Initialize hash table for that CPU */ htab_initialize_secondary(); @@ -293,7 +290,7 @@ static void __init initialize_cache_info(void) */ if ( num_cpus == 1 ) { - u32 *sizep, *lsizep; + const u32 *sizep, *lsizep; u32 size, lsize; const char *dc, *ic; @@ -308,10 +305,10 @@ static void __init initialize_cache_info(void) size = 0; lsize = cur_cpu_spec->dcache_bsize; - sizep = (u32 *)get_property(np, "d-cache-size", NULL); + sizep = get_property(np, "d-cache-size", NULL); if (sizep != NULL) size = *sizep; - lsizep = (u32 *) get_property(np, dc, NULL); + lsizep = get_property(np, dc, NULL); if (lsizep != NULL) lsize = *lsizep; if (sizep == 0 || lsizep == 0) @@ -325,10 +322,10 @@ static void __init initialize_cache_info(void) size = 0; lsize = cur_cpu_spec->icache_bsize; - sizep = (u32 *)get_property(np, "i-cache-size", NULL); + sizep = get_property(np, "i-cache-size", NULL); if (sizep != NULL) size = *sizep; - lsizep = (u32 *)get_property(np, ic, NULL); + lsizep = get_property(np, ic, NULL); if (lsizep != NULL) lsize = *lsizep; if (sizep == 0 || lsizep == 0) @@ -354,6 +351,14 @@ void __init setup_system(void) { DBG(" -> setup_system()\n"); + /* Apply the CPUs-specific and firmware specific fixups to kernel + * text (nop out sections not relevant to this CPU or this firmware) + */ + do_feature_fixups(cur_cpu_spec->cpu_features, + &__start___ftr_fixup, &__stop___ftr_fixup); + do_feature_fixups(powerpc_firmware_features, + &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup); + /* * Unflatten the device-tree passed by prom_init or kexec */ @@ -387,7 +392,8 @@ void __init setup_system(void) * setting up the hash table pointers. It also sets up some interrupt-mapping * related options that will be used by finish_device_tree() */ - ppc_md.init_early(); + if (ppc_md.init_early) + ppc_md.init_early(); /* * We can discover serial ports now since the above did setup the @@ -396,19 +402,15 @@ void __init setup_system(void) */ find_legacy_serial_ports(); - /* - * Initialize xmon - */ -#ifdef CONFIG_XMON_DEFAULT - xmon_init(1); -#endif /* * Register early console */ register_early_udbg_console(); - if (do_early_xmon) - debugger(NULL); + /* + * Initialize xmon + */ + xmon_setup(); check_smt_enabled(); smp_setup_cpu_maps(); @@ -420,7 +422,7 @@ void __init setup_system(void) smp_release_cpus(); #endif - printk("Starting Linux PPC64 %s\n", system_utsname.version); + printk("Starting Linux PPC64 %s\n", init_utsname()->version); printk("-----------------------------------------------------\n"); printk("ppc64_pft_size = 0x%lx\n", ppc64_pft_size); @@ -597,3 +599,10 @@ void __init setup_per_cpu_areas(void) } } #endif + + +#ifdef CONFIG_PPC_INDIRECT_IO +struct ppc_pci_io ppc_pci_io; +EXPORT_SYMBOL(ppc_pci_io); +#endif /* CONFIG_PPC_INDIRECT_IO */ +