diff options
| -rw-r--r-- | arch/powerpc/kernel/head_64.S | 5 | ||||
| -rw-r--r-- | arch/powerpc/kernel/setup_64.c | 134 |
2 files changed, 63 insertions, 76 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 064cd9397836..f765b0434731 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -941,7 +941,7 @@ start_here_multiplatform: mtspr SPRN_SRR1,r4 RFI b . /* prevent speculative execution */ - + /* This is where all platforms converge execution */ start_here_common: @@ -951,9 +951,6 @@ start_here_common: /* Load the TOC (virtual address) */ ld r2,PACATOC(r13) - /* Do more system initializations in virtual mode */ - bl setup_system - /* Mark interrupts soft and hard disabled (they might be enabled * in the PACA when doing hotplug) */ diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index aca215d77fe3..61c3e6c42262 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -512,78 +512,6 @@ static __init void print_system_info(void) pr_info("-----------------------------------------------------\n"); } -/* - * Do some initial setup of the system. The parameters are those which - * were passed in from the bootloader. - */ -void __init setup_system(void) -{ - DBG(" -> setup_system()\n"); - - /* - * Unflatten the device-tree passed by prom_init or kexec - */ - unflatten_device_tree(); - - /* - * Fill the ppc64_caches & systemcfg structures with informations - * retrieved from the device-tree. - */ - initialize_cache_info(); - -#ifdef CONFIG_PPC_RTAS - /* - * Initialize RTAS if available - */ - rtas_initialize(); -#endif /* CONFIG_PPC_RTAS */ - - /* - * Check if we have an initrd provided via the device-tree - */ - check_for_initrd(); - - /* Probe the machine type */ - probe_machine(); - - /* - * We can discover serial ports now since the above did setup the - * hash table management for us, thus ioremap works. We do that early - * so that further code can be debugged - */ - find_legacy_serial_ports(); - - /* - * Register early console - */ - register_early_udbg_console(); - - /* - * Initialize xmon - */ - xmon_setup(); - - smp_setup_cpu_maps(); - check_smt_enabled(); - setup_tlb_core_data(); - - /* - * Freescale Book3e parts spin in a loop provided by firmware, - * so smp_release_cpus() does nothing for them - */ -#if defined(CONFIG_SMP) - /* Release secondary cpus out of their spinloops at 0x60 now that - * we can map physical -> logical CPU ids - */ - smp_release_cpus(); -#endif - - /* Print various info about the machine that has been gathered so far. */ - print_system_info(); - - DBG(" <- setup_system()\n"); -} - /* This returns the limit below which memory accesses to the linear * mapping are guarnateed not to cause a TLB or SLB miss. This is * used to allocate interrupt or emergency stacks for which our @@ -695,6 +623,68 @@ void __init setup_arch(char **cmdline_p) { *cmdline_p = boot_command_line; + /* + * Unflatten the device-tree passed by prom_init or kexec + */ + unflatten_device_tree(); + + /* + * Fill the ppc64_caches & systemcfg structures with informations + * retrieved from the device-tree. + */ + initialize_cache_info(); + +#ifdef CONFIG_PPC_RTAS + /* + * Initialize RTAS if available + */ + rtas_initialize(); +#endif /* CONFIG_PPC_RTAS */ + + /* + * Check if we have an initrd provided via the device-tree + */ + check_for_initrd(); + + /* Probe the machine type */ + probe_machine(); + + /* + * We can discover serial ports now since the above did setup the + * hash table management for us, thus ioremap works. We do that early + * so that further code can be debugged + */ + find_legacy_serial_ports(); + + /* + * Register early console + */ + register_early_udbg_console(); + + /* + * Initialize xmon + */ + xmon_setup(); + + smp_setup_cpu_maps(); + check_smt_enabled(); + setup_tlb_core_data(); + + /* + * Freescale Book3e parts spin in a loop provided by firmware, + * so smp_release_cpus() does nothing for them + */ +#if defined(CONFIG_SMP) + /* + * Release secondary cpus out of their spinloops at 0x60 now that + * we can map physical -> logical CPU ids + */ + smp_release_cpus(); +#endif + + /* Print various info about the machine that has been gathered so far. */ + print_system_info(); + /* Reserve large chunks of memory for use by CMA for KVM */ kvm_cma_reserve(); |