Esempio n. 1
0
void __init config_BSP(char *commandp, int size)
{
#ifdef CONFIG_MMU
	mcf54xx_bootmem_alloc();
	mmu_context_init();
#endif
	mach_reset = mcf54xx_reset;
	mach_sched_init = hw_timer_init;
	m54xx_uarts_init();
}
Esempio n. 2
0
/*
 * Called into from start_kernel, after lock_kernel has been called.
 * Initializes bootmem, which is unsed to manage page allocation until
 * mem_init is called.
 */
void __init setup_arch(char **cmdline_p)
{
	ppc64_boot_msg(0x12, "Setup Arch");

	*cmdline_p = cmd_line;

	/*
	 * 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)
	 * for a possibly more accurate value.
	 */
	dcache_bsize = ppc64_caches.dline_size;
	icache_bsize = ppc64_caches.iline_size;

	/* reboot on panic */
	panic_timeout = 180;

	if (ppc_md.panic)
		setup_panic();

	init_mm.start_code = (unsigned long)_stext;
	init_mm.end_code = (unsigned long) _etext;
	init_mm.end_data = (unsigned long) _edata;
	init_mm.brk = klimit;
	
	irqstack_early_init();
	exc_lvl_early_init();
	emergency_stack_init();

#ifdef CONFIG_PPC_STD_MMU_64
	stabs_alloc();
#endif
	/* set up the bootmem stuff with available memory */
	do_init_bootmem();
	sparse_init();

#ifdef CONFIG_DUMMY_CONSOLE
	conswitchp = &dummy_con;
#endif

	if (ppc_md.setup_arch)
		ppc_md.setup_arch();

	paging_init();

	/* Initialize the MMU context management stuff */
	mmu_context_init();

	ppc64_boot_msg(0x15, "Setup Done");
}
Esempio n. 3
0
/* Warning, IO base is not yet inited */
void __init setup_arch(char **cmdline_p)
{
	*cmdline_p = cmd_line;

	/* so udelay does something sensible, assume <= 1000 bogomips */
	loops_per_jiffy = 500000000 / HZ;

	unflatten_device_tree();
	check_for_initrd();

	if (ppc_md.init_early)
		ppc_md.init_early();

	find_legacy_serial_ports();

	smp_setup_cpu_maps();

	/* Register early console */
	register_early_udbg_console();

	xmon_setup();

	/*
	 * 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)
	 * for a possibly more accurate value.
	 */
	dcache_bsize = cur_cpu_spec->dcache_bsize;
	icache_bsize = cur_cpu_spec->icache_bsize;
	ucache_bsize = 0;
	if (cpu_has_feature(CPU_FTR_UNIFIED_ID_CACHE))
		ucache_bsize = icache_bsize = dcache_bsize;

	/* reboot on panic */
	panic_timeout = 180;

	if (ppc_md.panic)
		setup_panic();

	init_mm.start_code = (unsigned long)_stext;
	init_mm.end_code = (unsigned long) _etext;
	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 */
	do_init_bootmem();
	if ( ppc_md.progress ) ppc_md.progress("setup_arch: bootmem", 0x3eab);

#ifdef CONFIG_DUMMY_CONSOLE
	conswitchp = &dummy_con;
#endif

	if (ppc_md.setup_arch)
		ppc_md.setup_arch();
	if ( ppc_md.progress ) ppc_md.progress("arch: exit", 0x3eab);

	paging_init();

	/* Initialize the MMU context management stuff */
	mmu_context_init();

}
Esempio n. 4
0
void __init setup_arch(char **cmdline_p)
{
	*cmdline_p = cmd_line;

	
	loops_per_jiffy = 500000000 / HZ;

	unflatten_device_tree();
	check_for_initrd();

	if (ppc_md.init_early)
		ppc_md.init_early();

	find_legacy_serial_ports();

	smp_setup_cpu_maps();

	
	register_early_udbg_console();

	xmon_setup();

	dcache_bsize = cur_cpu_spec->dcache_bsize;
	icache_bsize = cur_cpu_spec->icache_bsize;
	ucache_bsize = 0;
	if (cpu_has_feature(CPU_FTR_UNIFIED_ID_CACHE))
		ucache_bsize = icache_bsize = dcache_bsize;

	
	panic_timeout = 180;

	if (ppc_md.panic)
		setup_panic();

	init_mm.start_code = (unsigned long)_stext;
	init_mm.end_code = (unsigned long) _etext;
	init_mm.end_data = (unsigned long) _edata;
	init_mm.brk = klimit;

	exc_lvl_early_init();

	irqstack_early_init();

	
	do_init_bootmem();
	if ( ppc_md.progress ) ppc_md.progress("setup_arch: bootmem", 0x3eab);

#ifdef CONFIG_DUMMY_CONSOLE
	conswitchp = &dummy_con;
#endif

	if (ppc_md.setup_arch)
		ppc_md.setup_arch();
	if ( ppc_md.progress ) ppc_md.progress("arch: exit", 0x3eab);

	paging_init();

	
	mmu_context_init();

}
Esempio n. 5
0
void __init
setup_arch (char **cmdline_p)
{
	unw_init();

	ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist);

	*cmdline_p = __va(ia64_boot_param->command_line);
	strlcpy(saved_command_line, *cmdline_p, COMMAND_LINE_SIZE);

	efi_init();
	io_port_init();

	parse_early_param();

#ifdef CONFIG_IA64_GENERIC
	machvec_init(NULL);
#endif

	if (early_console_setup(*cmdline_p) == 0)
		mark_bsp_online();

#ifdef CONFIG_ACPI
	/* Initialize the ACPI boot-time table parser */
	acpi_table_init();
# ifdef CONFIG_ACPI_NUMA
	acpi_numa_init();
# endif
#else
# ifdef CONFIG_SMP
	smp_build_cpu_map();	/* happens, e.g., with the Ski simulator */
# endif
#endif /* CONFIG_APCI_BOOT */

	find_memory();

	/* process SAL system table: */
	ia64_sal_init(__va(efi.sal_systab));

	ia64_setup_printk_clock();

#ifdef CONFIG_SMP
	cpu_physical_id(0) = hard_smp_processor_id();

	cpu_set(0, cpu_sibling_map[0]);
	cpu_set(0, cpu_core_map[0]);

	check_for_logical_procs();
	if (smp_num_cpucores > 1)
		printk(KERN_INFO
		       "cpu package is Multi-Core capable: number of cores=%d\n",
		       smp_num_cpucores);
	if (smp_num_siblings > 1)
		printk(KERN_INFO
		       "cpu package is Multi-Threading capable: number of siblings=%d\n",
		       smp_num_siblings);
#endif

	cpu_init();	/* initialize the bootstrap CPU */
	mmu_context_init();	/* initialize context_id bitmap */

#ifdef CONFIG_ACPI
	acpi_boot_init();
#endif

#ifdef CONFIG_VT
	if (!conswitchp) {
# if defined(CONFIG_DUMMY_CONSOLE)
		conswitchp = &dummy_con;
# endif
# if defined(CONFIG_VGA_CONSOLE)
		/*
		 * Non-legacy systems may route legacy VGA MMIO range to system
		 * memory.  vga_con probes the MMIO hole, so memory looks like
		 * a VGA device to it.  The EFI memory map can tell us if it's
		 * memory so we can avoid this problem.
		 */
		if (efi_mem_type(0xA0000) != EFI_CONVENTIONAL_MEMORY)
			conswitchp = &vga_con;
# endif
	}
#endif

	/* enable IA-64 Machine Check Abort Handling unless disabled */
	if (!nomca)
		ia64_mca_init();

	platform_setup(cmdline_p);
	paging_init();
}