/*
* Called by secondaries to update state and initialize CPU registers.
*/
static void __init
smp_cpu_init(int cpunum)
{
extern int init_per_cpu(int); /* arch/parisc/kernel/setup.c */
extern void init_IRQ(void); /* arch/parisc/kernel/irq.c */
/* Set modes and Enable floating point coprocessor */
(void) init_per_cpu(cpunum);
disable_sr_hashing();
mb();
/* Well, support 2.4 linux scheme as well. */
if (cpu_test_and_set(cpunum, cpu_online_map))
{
extern void machine_halt(void); /* arch/parisc.../process.c */
printk(KERN_CRIT "CPU#%d already initialized!\n", cpunum);
machine_halt();
}
/* Initialise the idle task for this CPU */
atomic_inc(&init_mm.mm_count);
current->active_mm = &init_mm;
if(current->mm)
BUG();
enter_lazy_tlb(&init_mm, current);
init_IRQ(); /* make sure no IRQ's are enabled or pending */
}
void __init setup_arch(char **cmdline_p)
{
#ifdef CONFIG_64BIT
extern int parisc_narrow_firmware;
#endif
unwind_init();
init_per_cpu(smp_processor_id()); /* Set Modes & Enable FP */
#ifdef CONFIG_64BIT
printk(KERN_INFO "The 64-bit Kernel has started...\n");
#else
printk(KERN_INFO "The 32-bit Kernel has started...\n");
#endif
printk(KERN_INFO "Default page size is %dKB.\n", (int)(PAGE_SIZE / 1024));
pdc_console_init();
#ifdef CONFIG_64BIT
if(parisc_narrow_firmware) {
printk(KERN_INFO "Kernel is using PDC in 32-bit mode.\n");
}
#endif
setup_pdc();
setup_cmdline(cmdline_p);
collect_boot_cpu_data();
do_memory_inventory(); /* probe for physical memory */
parisc_cache_init();
paging_init();
#ifdef CONFIG_CHASSIS_LCD_LED
/* initialize the LCD/LED after boot_cpu_data is available ! */
led_init(); /* LCD/LED initialization */
#endif
#ifdef CONFIG_PA11
dma_ops_init();
#endif
#if defined(CONFIG_VT) && defined(CONFIG_DUMMY_CONSOLE)
conswitchp = &dummy_con; /* we use take_over_console() later ! */
#endif
}
void __init setup_arch(char **cmdline_p)
{
init_per_cpu(smp_processor_id()); /* Set Modes & Enable FP */
#ifdef __LP64__
printk(KERN_INFO "The 64-bit Kernel has started...\n");
#else
printk(KERN_INFO "The 32-bit Kernel has started...\n");
#endif
pdc_console_init();
#ifdef CONFIG_PDC_NARROW
printk(KERN_INFO "Kernel is using PDC in 32-bit mode.\n");
#endif
setup_pdc();
setup_cmdline(cmdline_p);
collect_boot_cpu_data();
do_memory_inventory(); /* probe for physical memory */
cache_init();
paging_init();
#ifdef CONFIG_CHASSIS_LCD_LED
/* initialize the LCD/LED after boot_cpu_data is available ! */
led_init(); /* LCD/LED initialization */
#endif
#ifdef CONFIG_PA11
dma_ops_init();
#endif
#ifdef CONFIG_VT
# if defined(CONFIG_STI_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE)
conswitchp = &dummy_con; /* we use take_over_console() later ! */
# endif
#endif
}
/*
* Called by secondaries to update state and initialize CPU registers.
*/
static void __init
smp_cpu_init(int cpunum)
{
extern int init_per_cpu(int); /* arch/parisc/kernel/processor.c */
extern void init_IRQ(void); /* arch/parisc/kernel/irq.c */
extern void start_cpu_itimer(void); /* arch/parisc/kernel/time.c */
/* Set modes and Enable floating point coprocessor */
(void) init_per_cpu(cpunum);
disable_sr_hashing();
mb();
/* Well, support 2.4 linux scheme as well. */
if (cpu_online(cpunum)) {
extern void machine_halt(void); /* arch/parisc.../process.c */
printk(KERN_CRIT "CPU#%d already initialized!\n", cpunum);
machine_halt();
}
notify_cpu_starting(cpunum);
ipi_call_lock();
set_cpu_online(cpunum, true);
ipi_call_unlock();
/* Initialise the idle task for this CPU */
atomic_inc(&init_mm.mm_count);
current->active_mm = &init_mm;
BUG_ON(current->mm);
enter_lazy_tlb(&init_mm, current);
init_IRQ(); /* make sure no IRQs are enabled or pending */
start_cpu_itimer();
}
void __init setup_arch(char **cmdline_p)
{
#ifdef CONFIG_64BIT
extern int parisc_narrow_firmware;
#endif
unwind_init();
init_per_cpu(smp_processor_id()); /* Set Modes & Enable FP */
#ifdef CONFIG_64BIT
printk(KERN_INFO "The 64-bit Kernel has started...\n");
#else
printk(KERN_INFO "The 32-bit Kernel has started...\n");
#endif
printk(KERN_INFO "Kernel default page size is %d KB. Huge pages ",
(int)(PAGE_SIZE / 1024));
#ifdef CONFIG_HUGETLB_PAGE
printk(KERN_CONT "enabled with %d MB physical and %d MB virtual size",
1 << (REAL_HPAGE_SHIFT - 20), 1 << (HPAGE_SHIFT - 20));
#else
printk(KERN_CONT "disabled");
#endif
printk(KERN_CONT ".\n");
/*
* Check if initial kernel page mappings are sufficient.
* panic early if not, else we may access kernel functions
* and variables which can't be reached.
*/
if (__pa((unsigned long) &_end) >= KERNEL_INITIAL_SIZE)
panic("KERNEL_INITIAL_ORDER too small!");
pdc_console_init();
#ifdef CONFIG_64BIT
if(parisc_narrow_firmware) {
printk(KERN_INFO "Kernel is using PDC in 32-bit mode.\n");
}
#endif
setup_pdc();
setup_cmdline(cmdline_p);
collect_boot_cpu_data();
do_memory_inventory(); /* probe for physical memory */
parisc_cache_init();
paging_init();
#ifdef CONFIG_CHASSIS_LCD_LED
/* initialize the LCD/LED after boot_cpu_data is available ! */
led_init(); /* LCD/LED initialization */
#endif
#ifdef CONFIG_PA11
dma_ops_init();
#endif
#if defined(CONFIG_VT) && defined(CONFIG_DUMMY_CONSOLE)
conswitchp = &dummy_con; /* we use do_take_over_console() later ! */
#endif
clear_sched_clock_stable();
}
