void __init setup_arch(char **cmdline_p)
{
extern int mem_reserve(unsigned long, unsigned long, int);
extern void bootmem_init(void);
memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
boot_command_line[COMMAND_LINE_SIZE-1] = '\0';
*cmdline_p = command_line;
/* Reserve some memory regions */
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start < initrd_end) {
initrd_is_mapped = mem_reserve(__pa(initrd_start),
__pa(initrd_end), 0);
initrd_below_start_ok = 1;
} else {
initrd_start = 0;
}
#endif
mem_reserve(__pa(&_stext),__pa(&_end), 1);
mem_reserve(__pa(&_WindowVectors_text_start),
__pa(&_WindowVectors_text_end), 0);
mem_reserve(__pa(&_DebugInterruptVector_literal_start),
__pa(&_DebugInterruptVector_text_end), 0);
mem_reserve(__pa(&_KernelExceptionVector_literal_start),
__pa(&_KernelExceptionVector_text_end), 0);
mem_reserve(__pa(&_UserExceptionVector_literal_start),
__pa(&_UserExceptionVector_text_end), 0);
mem_reserve(__pa(&_DoubleExceptionVector_literal_start),
__pa(&_DoubleExceptionVector_text_end), 0);
bootmem_init();
platform_setup(cmdline_p);
paging_init();
zones_init();
#ifdef CONFIG_VT
# if defined(CONFIG_VGA_CONSOLE)
conswitchp = &vga_con;
# elif defined(CONFIG_DUMMY_CONSOLE)
conswitchp = &dummy_con;
# endif
#endif
#ifdef CONFIG_PCI
platform_pcibios_init();
#endif
}
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();
}
void __init setup_arch(char **cmdline_p)
{
unsigned long bootmap_size;
unsigned long start_pfn, max_pfn, max_low_pfn;
#ifdef CONFIG_EARLY_PRINTK
extern void enable_early_printk(void);
enable_early_printk();
#endif
#ifdef CONFIG_CMDLINE_BOOL
strcpy(COMMAND_LINE, CONFIG_CMDLINE);
#endif
ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
#ifdef CONFIG_BLK_DEV_RAM
rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK;
rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0);
rd_doload = ((RAMDISK_FLAGS & RAMDISK_LOAD_FLAG) != 0);
#endif
if (!MOUNT_ROOT_RDONLY)
root_mountflags &= ~MS_RDONLY;
init_mm.start_code = (unsigned long) _text;
init_mm.end_code = (unsigned long) _etext;
init_mm.end_data = (unsigned long) _edata;
init_mm.brk = (unsigned long) _end;
code_resource.start = virt_to_bus(_text);
code_resource.end = virt_to_bus(_etext)-1;
data_resource.start = virt_to_bus(_etext);
data_resource.end = virt_to_bus(_edata)-1;
sh_mv_setup(cmdline_p);
#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT)
#define PFN_DOWN(x) ((x) >> PAGE_SHIFT)
#define PFN_PHYS(x) ((x) << PAGE_SHIFT)
/*
* Find the highest page frame number we have available
*/
max_pfn = PFN_DOWN(__pa(memory_end));
/*
* Determine low and high memory ranges:
*/
max_low_pfn = max_pfn;
/*
* Partially used pages are not usable - thus
* we are rounding upwards:
*/
start_pfn = PFN_UP(__pa(_end));
/*
* Find a proper area for the bootmem bitmap. After this
* bootstrap step all allocations (until the page allocator
* is intact) must be done via bootmem_alloc().
*/
bootmap_size = init_bootmem_node(NODE_DATA(0), start_pfn,
__MEMORY_START>>PAGE_SHIFT,
max_low_pfn);
/*
* Register fully available low RAM pages with the bootmem allocator.
*/
{
unsigned long curr_pfn, last_pfn, pages;
/*
* We are rounding up the start address of usable memory:
*/
curr_pfn = PFN_UP(__MEMORY_START);
/*
* ... and at the end of the usable range downwards:
*/
last_pfn = PFN_DOWN(__pa(memory_end));
if (last_pfn > max_low_pfn)
last_pfn = max_low_pfn;
pages = last_pfn - curr_pfn;
free_bootmem_node(NODE_DATA(0), PFN_PHYS(curr_pfn),
PFN_PHYS(pages));
}
/*
* Reserve the kernel text and
* Reserve the bootmem bitmap. We do this in two steps (first step
* was init_bootmem()), because this catches the (definitely buggy)
* case of us accidentally initializing the bootmem allocator with
* an invalid RAM area.
*/
reserve_bootmem_node(NODE_DATA(0), __MEMORY_START+PAGE_SIZE,
(PFN_PHYS(start_pfn)+bootmap_size+PAGE_SIZE-1)-__MEMORY_START);
/*
* reserve physical page 0 - it's a special BIOS page on many boxes,
* enabling clean reboots, SMP operation, laptop functions.
*/
reserve_bootmem_node(NODE_DATA(0), __MEMORY_START, PAGE_SIZE);
#ifdef CONFIG_BLK_DEV_INITRD
ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
if (&__rd_start != &__rd_end) {
LOADER_TYPE = 1;
INITRD_START = PHYSADDR((unsigned long)&__rd_start) - __MEMORY_START;
INITRD_SIZE = (unsigned long)&__rd_end - (unsigned long)&__rd_start;
}
if (LOADER_TYPE && INITRD_START) {
if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) {
reserve_bootmem_node(NODE_DATA(0), INITRD_START+__MEMORY_START, INITRD_SIZE);
initrd_start =
INITRD_START ? INITRD_START + PAGE_OFFSET + __MEMORY_START : 0;
initrd_end = initrd_start + INITRD_SIZE;
} else {
printk("initrd extends beyond end of memory "
"(0x%08lx > 0x%08lx)\ndisabling initrd\n",
INITRD_START + INITRD_SIZE,
max_low_pfn << PAGE_SHIFT);
initrd_start = 0;
}
}
#endif
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif
/* Perform the machine specific initialisation */
platform_setup();
paging_init();
}
void __init setup_arch(char **cmdline_p)
{
strlcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
*cmdline_p = command_line;
check_s32c1i();
/* Reserve some memory regions */
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start < initrd_end) {
initrd_is_mapped = mem_reserve(__pa(initrd_start),
__pa(initrd_end), 0);
initrd_below_start_ok = 1;
} else {
initrd_start = 0;
}
#endif
mem_reserve(__pa(&_stext),__pa(&_end), 1);
mem_reserve(__pa(&_WindowVectors_text_start),
__pa(&_WindowVectors_text_end), 0);
mem_reserve(__pa(&_DebugInterruptVector_literal_start),
__pa(&_DebugInterruptVector_text_end), 0);
mem_reserve(__pa(&_KernelExceptionVector_literal_start),
__pa(&_KernelExceptionVector_text_end), 0);
mem_reserve(__pa(&_UserExceptionVector_literal_start),
__pa(&_UserExceptionVector_text_end), 0);
mem_reserve(__pa(&_DoubleExceptionVector_literal_start),
__pa(&_DoubleExceptionVector_text_end), 0);
#if XCHAL_EXCM_LEVEL >= 2
mem_reserve(__pa(&_Level2InterruptVector_text_start),
__pa(&_Level2InterruptVector_text_end), 0);
#endif
#if XCHAL_EXCM_LEVEL >= 3
mem_reserve(__pa(&_Level3InterruptVector_text_start),
__pa(&_Level3InterruptVector_text_end), 0);
#endif
#if XCHAL_EXCM_LEVEL >= 4
mem_reserve(__pa(&_Level4InterruptVector_text_start),
__pa(&_Level4InterruptVector_text_end), 0);
#endif
#if XCHAL_EXCM_LEVEL >= 5
mem_reserve(__pa(&_Level5InterruptVector_text_start),
__pa(&_Level5InterruptVector_text_end), 0);
#endif
#if XCHAL_EXCM_LEVEL >= 6
mem_reserve(__pa(&_Level6InterruptVector_text_start),
__pa(&_Level6InterruptVector_text_end), 0);
#endif
bootmem_init();
#ifdef CONFIG_OF
copy_devtree();
unflatten_device_tree();
#endif
platform_setup(cmdline_p);
paging_init();
zones_init();
#ifdef CONFIG_VT
# if defined(CONFIG_VGA_CONSOLE)
conswitchp = &vga_con;
# elif defined(CONFIG_DUMMY_CONSOLE)
conswitchp = &dummy_con;
# endif
#endif
#ifdef CONFIG_PCI
platform_pcibios_init();
#endif
}
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();
}
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();
}
