Example #1
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");
}
Example #2
0
/* Warning, IO base is not yet inited */
void __init setup_arch(char **cmdline_p)
{
	extern void do_init_bootmem(void);

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

	unflatten_device_tree();
	check_for_initrd();
	finish_device_tree();

	smp_setup_cpu_maps();

#ifdef CONFIG_BOOTX_TEXT
	init_boot_display();
#endif

#ifdef CONFIG_PPC_PMAC
	/* This could be called "early setup arch", it must be done
	 * now because xmon need it
	 */
	if (_machine == _MACH_Pmac)
		pmac_feature_init();	/* New cool way */
#endif

#ifdef CONFIG_XMON_DEFAULT
	xmon_init(1);
#endif

#if defined(CONFIG_KGDB)
	if (ppc_md.kgdb_map_scc)
		ppc_md.kgdb_map_scc();
	set_debug_traps();
	if (strstr(cmd_line, "gdb")) {
		if (ppc_md.progress)
			ppc_md.progress("setup_arch: kgdb breakpoint", 0x4000);
		printk("kgdb breakpoint activated\n");
		breakpoint();
	}
#endif

	/*
	 * 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.
	 */
	if (cpu_has_feature(CPU_FTR_SPLIT_ID_CACHE)) {
		dcache_bsize = cur_cpu_spec->dcache_bsize;
		icache_bsize = cur_cpu_spec->icache_bsize;
		ucache_bsize = 0;
	} else
		ucache_bsize = dcache_bsize = icache_bsize
			= cur_cpu_spec->dcache_bsize;

	/* reboot on panic */
	panic_timeout = 180;

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

	/* Save unparsed command line copy for /proc/cmdline */
	strlcpy(saved_command_line, cmd_line, COMMAND_LINE_SIZE);
	*cmdline_p = cmd_line;

	parse_early_param();

	/* set up the bootmem stuff with available memory */
	do_init_bootmem();
	if ( ppc_md.progress ) ppc_md.progress("setup_arch: bootmem", 0x3eab);

#ifdef CONFIG_PPC_OCP
	/* Initialize OCP device list */
	ocp_early_init();
	if ( ppc_md.progress ) ppc_md.progress("ocp: exit", 0x3eab);
#endif

#ifdef CONFIG_DUMMY_CONSOLE
	conswitchp = &dummy_con;
#endif

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

	paging_init();

	/* this is for modules since _machine can be a define -- Cort */
	ppc_md.ppc_machine = _machine;
}
Example #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();

}
Example #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();

}