Example #1
0
void __init
machvec_init (const char *name)
{
	struct ia64_machine_vector *mv;

	if (!name)
		name = acpi_get_sysname();
	mv = lookup_machvec(name);
	if (!mv)
		panic("generic kernel failed to find machine vector for"
		      " platform %s!", name);

	ia64_mv = *mv;
	printk(KERN_INFO "booting generic kernel on platform %s\n", name);
}
Example #2
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();

#ifdef CONFIG_IA64_GENERIC
	machvec_init(acpi_get_sysname());
#endif

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

#ifdef CONFIG_ACPI_BOOT
	/* 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(efi.sal_systab);

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

	cpu_init();	/* initialize the bootstrap CPU */

#ifdef CONFIG_ACPI_BOOT
	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 (!strstr(saved_command_line, "nomca"))
		ia64_mca_init();
	
	platform_setup(cmdline_p);
	paging_init();
}
Example #3
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();

#ifdef CONFIG_IA64_GENERIC
	{
		const char *mvec_name = strstr (*cmdline_p, "machvec=");
		char str[64];

		if (mvec_name) {
			const char *end;
			size_t len;

			mvec_name += 8;
			end = strchr (mvec_name, ' ');
			if (end)
				len = end - mvec_name;
			else
				len = strlen (mvec_name);
			len = min(len, sizeof (str) - 1);
			strncpy (str, mvec_name, len);
			str[len] = '\0';
			mvec_name = str;
		} else
			mvec_name = acpi_get_sysname();
		machvec_init(mvec_name);
	}
#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(efi.sal_systab);

#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 */

#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 (!strstr(saved_command_line, "nomca"))
		ia64_mca_init();

	platform_setup(cmdline_p);
	paging_init();
}
Example #4
0
void __init
setup_arch (char **cmdline_p)
{
	extern unsigned long ia64_iobase;
	unsigned long phys_iobase;

	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, sizeof(saved_command_line));

	efi_init();

#ifdef CONFIG_ACPI_BOOT
	/* 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(efi.sal_systab);

#ifdef CONFIG_IA64_GENERIC
	machvec_init(acpi_get_sysname());
#endif

	/*
	 *  Set `iobase' to the appropriate address in region 6 (uncached access range).
	 *
	 *  The EFI memory map is the "preferred" location to get the I/O port space base,
	 *  rather the relying on AR.KR0. This should become more clear in future SAL
	 *  specs. We'll fall back to getting it out of AR.KR0 if no appropriate entry is
	 *  found in the memory map.
	 */
	phys_iobase = efi_get_iobase();
	if (phys_iobase)
		/* set AR.KR0 since this is all we use it for anyway */
		ia64_set_kr(IA64_KR_IO_BASE, phys_iobase);
	else {
		phys_iobase = ia64_get_kr(IA64_KR_IO_BASE);
		printk(KERN_INFO "No I/O port range found in EFI memory map, falling back "
		       "to AR.KR0\n");
		printk(KERN_INFO "I/O port base = 0x%lx\n", phys_iobase);
	}
	ia64_iobase = (unsigned long) ioremap(phys_iobase, 0);

	/* setup legacy IO port space */
	io_space[0].mmio_base = ia64_iobase;
	io_space[0].sparse = 1;
	num_io_spaces = 1;

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

	cpu_init();	/* initialize the bootstrap CPU */

#ifdef CONFIG_ACPI_BOOT
	acpi_boot_init();
#endif
#ifdef CONFIG_SERIAL_8250_HCDP
	if (efi.hcdp) {
		void setup_serial_hcdp(void *);
		setup_serial_hcdp(efi.hcdp);
	}
#endif
#ifdef CONFIG_SERIAL_8250_CONSOLE
	/*
	 * Without HCDP, we won't discover any serial ports until the serial driver looks
	 * in the ACPI namespace.  If ACPI claims there are some legacy devices, register
	 * the legacy COM ports so serial console works earlier.  This is slightly dangerous
	 * because we don't *really* know whether there's anything there, but we hope that
	 * all new boxes will implement HCDP.
	 */
	{
		extern unsigned char acpi_legacy_devices;
		if (!efi.hcdp && acpi_legacy_devices)
			setup_serial_legacy();
	}
#endif

#ifdef CONFIG_VT
# 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

#ifdef CONFIG_IA64_MCA
	/* enable IA-64 Machine Check Abort Handling */
	ia64_mca_init();
#endif

	platform_setup(cmdline_p);
	paging_init();
}