void __init setup_arch(char **cmdline_p)
{
*cmdline_p = boot_command_line;
console_verbose();
unflatten_device_tree();
setup_cpuinfo();
microblaze_cache_init();
setup_memory();
#ifdef CONFIG_EARLY_PRINTK
/* remap early console to virtual address */
remap_early_printk();
#endif
xilinx_pci_init();
#if defined(CONFIG_DUMMY_CONSOLE)
conswitchp = &dummy_con;
#endif
}
void __init setup_arch(char **cmdline_p)
{
*cmdline_p = cmd_line;
console_verbose();
unflatten_device_tree();
/* NOTE I think that this function is not necessary to call */
/* irq_early_init(); */
setup_cpuinfo();
microblaze_cache_init();
setup_memory();
#ifdef CONFIG_EARLY_PRINTK
/* remap early console to virtual address */
remap_early_printk();
#endif
xilinx_pci_init();
#if defined(CONFIG_SELFMOD_INTC) || defined(CONFIG_SELFMOD_TIMER)
printk(KERN_NOTICE "Self modified code enable\n");
#endif
#ifdef CONFIG_VT
#if defined(CONFIG_XILINX_CONSOLE)
conswitchp = &xil_con;
#elif defined(CONFIG_DUMMY_CONSOLE)
conswitchp = &dummy_con;
#endif
#endif
}
void __init setup_arch(char **cmdline_p)
{
*cmdline_p = cmd_line;
console_verbose();
unflatten_device_tree();
setup_cpuinfo();
microblaze_cache_init();
setup_memory();
#ifdef CONFIG_EARLY_PRINTK
/* */
remap_early_printk();
#endif
xilinx_pci_init();
#if defined(CONFIG_SELFMOD_INTC) || defined(CONFIG_SELFMOD_TIMER)
printk(KERN_NOTICE "Self modified code enable\n");
#endif
#ifdef CONFIG_VT
#if defined(CONFIG_XILINX_CONSOLE)
conswitchp = &xil_con;
#elif defined(CONFIG_DUMMY_CONSOLE)
conswitchp = &dummy_con;
#endif
#endif
}
void __init setup_arch(char **cmdline_p)
{
init_mm.start_code = (unsigned long) _stext;
init_mm.end_code = (unsigned long) _etext;
init_mm.end_data = (unsigned long) _edata;
init_mm.brk = (unsigned long) _end;
*cmdline_p = boot_command_line;
parse_early_param();
setup_bootmem();
paging_init();
unflatten_device_tree();
#ifdef CONFIG_SWIOTLB
swiotlb_init(1);
#endif
#ifdef CONFIG_SMP
setup_smp();
#endif
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif
riscv_fill_hwcap();
}
void __init device_tree_init(void)
{
unsigned long base, size;
void *fdt_copy;
if (!initial_boot_params)
return;
base = virt_to_phys((void *)initial_boot_params);
size = be32_to_cpu(initial_boot_params->totalsize);
/* Before we do anything, lets reserve the dt blob */
reserve_bootmem(base, size, BOOTMEM_DEFAULT);
/* The strings in the flattened tree are referenced directly by the
* device tree, so copy the flattened device tree from init memory
* to regular memory.
*/
fdt_copy = alloc_bootmem(size);
memcpy(fdt_copy, initial_boot_params, size);
initial_boot_params = fdt_copy;
unflatten_device_tree();
/* free the space reserved for the dt blob */
free_bootmem(base, size);
}
static void __init device_tree_init(void)
{
unsigned long base, size;
struct device_node *cpu;
int ret;
if (!initial_boot_params)
return;
base = __pa(initial_boot_params);
size = be32_to_cpu(initial_boot_params->totalsize);
/* Before we do anything, lets reserve the dt blob */
memblock_reserve(base, size);
unflatten_device_tree();
/* free the space reserved for the dt blob */
memblock_free(base, size);
cpu = of_find_compatible_node(NULL, NULL, "lattice,lm32");
if (!cpu)
panic("No compatible CPU found in device tree\n");
ret = of_property_read_u32(cpu, "clock-frequency", &cpu_frequency);
if (ret)
cpu_frequency = (unsigned long)CONFIG_CPU_CLOCK;
of_node_put(cpu);
}
void __init setup_arch(char **cmdline_p)
{
/* This also populates @boot_command_line from /bootargs */
machine_desc = setup_machine_fdt(__dtb_start);
if (!machine_desc)
panic("Embedded DT invalid\n");
/* Append any u-boot provided cmdline */
#ifdef CONFIG_CMDLINE_UBOOT
/* Add a whitespace seperator between the 2 cmdlines */
strlcat(boot_command_line, " ", COMMAND_LINE_SIZE);
strlcat(boot_command_line, command_line, COMMAND_LINE_SIZE);
#endif
/* Save unparsed command line copy for /proc/cmdline */
*cmdline_p = boot_command_line;
/* To force early parsing of things like mem=xxx */
parse_early_param();
/* Platform/board specific: e.g. early console registration */
if (machine_desc->init_early)
machine_desc->init_early();
setup_processor();
#ifdef CONFIG_SMP
smp_init_cpus();
#endif
setup_arch_memory();
/* copy flat DT out of .init and then unflatten it */
copy_devtree();
unflatten_device_tree();
/* Can be issue if someone passes cmd line arg "ro"
* But that is unlikely so keeping it as it is
*/
root_mountflags &= ~MS_RDONLY;
console_verbose();
#if defined(CONFIG_VT) && defined(CONFIG_DUMMY_CONSOLE)
conswitchp = &dummy_con;
#endif
arc_unwind_init();
arc_unwind_setup();
}
void __init device_tree_init(void)
{
unsigned long base, size;
if (!initial_boot_params)
return;
base = virt_to_phys((void *)initial_boot_params);
size = be32_to_cpu(initial_boot_params->totalsize);
/* Before we do anything, lets reserve the dt blob */
reserve_bootmem(base, size, BOOTMEM_DEFAULT);
unflatten_device_tree();
}
void __init device_tree_init(void)
{
unsigned long base, size;
if (!initial_boot_params)
return;
base = virt_to_phys((void *)initial_boot_params);
size = be32_to_cpu(initial_boot_params->totalsize);
/* */
reserve_mem_mach(base, size);
unflatten_device_tree();
/* */
free_mem_mach(base, size);
}
void __init device_tree_init(void)
{
unsigned long base, size;
if (!initial_boot_params)
return;
base = virt_to_phys((void *)initial_boot_params);
size = be32_to_cpu(initial_boot_params->totalsize);
/* Before we do anything, lets reserve the dt blob */
reserve_mem_mach(base, size);
unflatten_device_tree();
/* free the space reserved for the dt blob */
free_mem_mach(base, size);
}
void __init device_tree_init(void)
{
unsigned long base, size;
void *fdt_copy;
set_io_port_base(KSEG1);
/*
* Load the builtin devicetree. This causes the chosen node to be
* parsed resulting in our memory appearing
*/
printk ("DTB: device_tree_init - DBG\n");
__dt_setup_arch(&__image_dtb);
printk ("DTB: device_tree_init - after __dt_setup_arch - DBG\n");
if (!initial_boot_params)
return;
printk ("DTB: device_tree_init - initial_boot_params - DBG\n");
base = virt_to_phys((void *)initial_boot_params);
size = be32_to_cpu(initial_boot_params->totalsize);
/* Before we do anything, lets reserve the dt blob */
reserve_bootmem(base, size, BOOTMEM_DEFAULT);
/* The strings in the flattened tree are referenced directly by the
* device tree, so copy the flattened device tree from init memory
* to regular memory.
*/
fdt_copy = alloc_bootmem(size);
memcpy(fdt_copy, initial_boot_params, size);
initial_boot_params = fdt_copy;
unflatten_device_tree();
/* free the space reserved for the dt blob */
//free_bootmem(base, size);
printk ("DTB: device_tree_init - end - DBG\n");
}
/**
* unflatten_and_copy_device_tree - copy and create tree of device_nodes from flat blob
*
* Copies and unflattens the device-tree passed by the firmware, creating the
* tree of struct device_node. It also fills the "name" and "type"
* pointers of the nodes so the normal device-tree walking functions
* can be used. This should only be used when the FDT memory has not been
* reserved such is the case when the FDT is built-in to the kernel init
* section. If the FDT memory is reserved already then unflatten_device_tree
* should be used instead.
*/
void __init unflatten_and_copy_device_tree(void)
{
int size;
void *dt;
if (!initial_boot_params) {
pr_warn("No valid device tree found, continuing without\n");
return;
}
size = fdt_totalsize(initial_boot_params);
dt = early_init_dt_alloc_memory_arch(size,
roundup_pow_of_two(FDT_V17_SIZE));
if (dt) {
memcpy(dt, initial_boot_params, size);
initial_boot_params = dt;
}
unflatten_device_tree();
}
static void __init sh_of_setup(char **cmdline_p)
{
struct device_node *root;
#ifdef CONFIG_USE_BUILTIN_DTB
unflatten_and_copy_device_tree();
#else
unflatten_device_tree();
#endif
board_time_init = sh_of_time_init;
sh_mv.mv_name = "Unknown SH model";
root = of_find_node_by_path("/");
if (root) {
of_property_read_string(root, "model", &sh_mv.mv_name);
of_node_put(root);
}
sh_of_smp_probe();
}
static void __init mapphone_init_early(void)
{
omap2_init_common_infrastructure();
omap2_init_common_devices(NULL, NULL);
#ifdef CONFIG_OMAP_32K_TIMER
omap2_gp_clockevent_set_gptimer(1);
#endif
if (fdt_start_address) {
struct device_node *machine_node;
const void *machine_prop;
const void *cpu_tier_prop;
void *mem;
mem = __alloc_bootmem(fdt_size, __alignof__(int), 0);
BUG_ON(!mem);
memcpy(mem, (const void *)fdt_start_address, fdt_size);
initial_boot_params = (struct boot_param_header *)mem;
pr_info("Unflattening device tree: 0x%08x\n", (u32)mem);
unflatten_device_tree();
machine_node = of_find_node_by_path(DT_PATH_MACHINE);
if (machine_node) {
machine_prop = of_get_property(machine_node,
DT_PROP_MACHINE_TYPE, NULL);
if (machine_prop)
set_machine_name((const char *)machine_prop);
cpu_tier_prop = of_get_property(machine_node,
DT_PROP_CPU_TIER, NULL);
if (cpu_tier_prop)
set_cpu_tier((const char *)cpu_tier_prop);
of_node_put(machine_node);
}
}
}
void __init setup_arch(char **cmdline_p)
{
#ifdef CONFIG_CMDLINE_FORCE
strlcpy(cmd_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
strlcpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
#endif
*cmdline_p = cmd_line;
console_verbose();
unflatten_device_tree();
/* NOTE I think that this function is not necessary to call */
/* irq_early_init(); */
setup_cpuinfo();
__invalidate_icache_all();
__enable_icache();
__invalidate_dcache_all();
__enable_dcache();
panic_timeout = 120;
setup_memory();
#if defined(CONFIG_SELFMOD_INTC) || defined(CONFIG_SELFMOD_TIMER)
printk(KERN_NOTICE "Self modified code enable\n");
#endif
#ifdef CONFIG_VT
#if defined(CONFIG_XILINX_CONSOLE)
conswitchp = &xil_con;
#elif defined(CONFIG_DUMMY_CONSOLE)
conswitchp = &dummy_con;
#endif
#endif
}
/*
* Do some initial setup of the system. The parameters are those which
* were passed in from the bootloader.
*/
void __init setup_system(void)
{
DBG(" -> setup_system()\n");
/* Apply the CPUs-specific and firmware specific fixups to kernel
* text (nop out sections not relevant to this CPU or this firmware)
*/
do_feature_fixups(cur_cpu_spec->cpu_features,
&__start___ftr_fixup, &__stop___ftr_fixup);
do_feature_fixups(cur_cpu_spec->mmu_features,
&__start___mmu_ftr_fixup, &__stop___mmu_ftr_fixup);
do_feature_fixups(powerpc_firmware_features,
&__start___fw_ftr_fixup, &__stop___fw_ftr_fixup);
do_lwsync_fixups(cur_cpu_spec->cpu_features,
&__start___lwsync_fixup, &__stop___lwsync_fixup);
/*
* Unflatten the device-tree passed by prom_init or kexec
*/
unflatten_device_tree();
/*
* Fill the ppc64_caches & systemcfg structures with informations
* retrieved from the device-tree.
*/
initialize_cache_info();
#ifdef CONFIG_PPC_RTAS
/*
* Initialize RTAS if available
*/
rtas_initialize();
#endif /* CONFIG_PPC_RTAS */
/*
* Check if we have an initrd provided via the device-tree
*/
check_for_initrd();
/*
* Do some platform specific early initializations, that includes
* setting up the hash table pointers. It also sets up some interrupt-mapping
* related options that will be used by finish_device_tree()
*/
if (ppc_md.init_early)
ppc_md.init_early();
/*
* We can discover serial ports now since the above did setup the
* hash table management for us, thus ioremap works. We do that early
* so that further code can be debugged
*/
find_legacy_serial_ports();
/*
* Register early console
*/
register_early_udbg_console();
/*
* Initialize xmon
*/
xmon_setup();
smp_setup_cpu_maps();
check_smt_enabled();
#ifdef CONFIG_SMP
/* Release secondary cpus out of their spinloops at 0x60 now that
* we can map physical -> logical CPU ids
*/
smp_release_cpus();
#endif
printk("Starting Linux PPC64 %s\n", init_utsname()->version);
printk("-----------------------------------------------------\n");
printk("ppc64_pft_size = 0x%llx\n", ppc64_pft_size);
printk("physicalMemorySize = 0x%llx\n", memblock_phys_mem_size());
if (ppc64_caches.dline_size != 0x80)
printk("ppc64_caches.dcache_line_size = 0x%x\n",
ppc64_caches.dline_size);
if (ppc64_caches.iline_size != 0x80)
printk("ppc64_caches.icache_line_size = 0x%x\n",
ppc64_caches.iline_size);
#ifdef CONFIG_PPC_STD_MMU_64
if (htab_address)
printk("htab_address = 0x%p\n", htab_address);
printk("htab_hash_mask = 0x%lx\n", htab_hash_mask);
#endif /* CONFIG_PPC_STD_MMU_64 */
if (PHYSICAL_START > 0)
printk("physical_start = 0x%llx\n",
(unsigned long long)PHYSICAL_START);
printk("-----------------------------------------------------\n");
DBG(" <- setup_system()\n");
}
/* 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();
}
/*
* Do some initial setup of the system. The parameters are those which
* were passed in from the bootloader.
*/
void __init setup_system(void)
{
DBG(" -> setup_system()\n");
#ifdef CONFIG_KEXEC
kdump_move_device_tree();
#endif
/*
* Unflatten the device-tree passed by prom_init or kexec
*/
unflatten_device_tree();
#ifdef CONFIG_KEXEC
kexec_setup(); /* requires unflattened device tree. */
#endif
/*
* Fill the ppc64_caches & systemcfg structures with informations
* retrieved from the device-tree. Need to be called before
* finish_device_tree() since the later requires some of the
* informations filled up here to properly parse the interrupt
* tree.
* It also sets up the cache line sizes which allows to call
* routines like flush_icache_range (used by the hash init
* later on).
*/
initialize_cache_info();
#ifdef CONFIG_PPC_RTAS
/*
* Initialize RTAS if available
*/
rtas_initialize();
#endif /* CONFIG_PPC_RTAS */
/*
* Check if we have an initrd provided via the device-tree
*/
check_for_initrd();
/*
* Do some platform specific early initializations, that includes
* setting up the hash table pointers. It also sets up some interrupt-mapping
* related options that will be used by finish_device_tree()
*/
ppc_md.init_early();
/*
* We can discover serial ports now since the above did setup the
* hash table management for us, thus ioremap works. We do that early
* so that further code can be debugged
*/
find_legacy_serial_ports();
/*
* "Finish" the device-tree, that is do the actual parsing of
* some of the properties like the interrupt map
*/
finish_device_tree();
/*
* Initialize xmon
*/
#ifdef CONFIG_XMON_DEFAULT
xmon_init(1);
#endif
/*
* Register early console
*/
register_early_udbg_console();
/* Save unparsed command line copy for /proc/cmdline */
strlcpy(saved_command_line, cmd_line, COMMAND_LINE_SIZE);
parse_early_param();
check_smt_enabled();
smp_setup_cpu_maps();
#ifdef CONFIG_SMP
/* Release secondary cpus out of their spinloops at 0x60 now that
* we can map physical -> logical CPU ids
*/
smp_release_cpus();
#endif
printk("Starting Linux PPC64 %s\n", system_utsname.version);
printk("-----------------------------------------------------\n");
printk("ppc64_pft_size = 0x%lx\n", ppc64_pft_size);
printk("ppc64_interrupt_controller = 0x%ld\n",
ppc64_interrupt_controller);
printk("platform = 0x%x\n", _machine);
printk("physicalMemorySize = 0x%lx\n", lmb_phys_mem_size());
printk("ppc64_caches.dcache_line_size = 0x%x\n",
ppc64_caches.dline_size);
printk("ppc64_caches.icache_line_size = 0x%x\n",
ppc64_caches.iline_size);
printk("htab_address = 0x%p\n", htab_address);
printk("htab_hash_mask = 0x%lx\n", htab_hash_mask);
#if PHYSICAL_START > 0
printk("physical_start = 0x%x\n", PHYSICAL_START);
#endif
printk("-----------------------------------------------------\n");
mm_init_ppc64();
DBG(" <- setup_system()\n");
}
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
}
/*
* Do some initial setup of the system. The parameters are those which
* were passed in from the bootloader.
*/
void __init setup_system(void)
{
DBG(" -> setup_system()\n");
#ifdef CONFIG_PPC_ISERIES
/* pSeries systems are identified in prom.c via OF. */
if (itLpNaca.xLparInstalled == 1)
systemcfg->platform = PLATFORM_ISERIES_LPAR;
ppc_md.init_early();
#else /* CONFIG_PPC_ISERIES */
/*
* Unflatten the device-tree passed by prom_init or kexec
*/
unflatten_device_tree();
/*
* Fill the naca & systemcfg structures with informations
* retreived from the device-tree. Need to be called before
* finish_device_tree() since the later requires some of the
* informations filled up here to properly parse the interrupt
* tree.
* It also sets up the cache line sizes which allows to call
* routines like flush_icache_range (used by the hash init
* later on).
*/
initialize_naca();
#ifdef CONFIG_PPC_PSERIES
/*
* Initialize RTAS if available
*/
rtas_initialize();
#endif /* CONFIG_PPC_PSERIES */
/*
* Check if we have an initrd provided via the device-tree
*/
check_for_initrd();
/*
* Do some platform specific early initializations, that includes
* setting up the hash table pointers. It also sets up some interrupt-mapping
* related options that will be used by finish_device_tree()
*/
ppc_md.init_early();
/*
* "Finish" the device-tree, that is do the actual parsing of
* some of the properties like the interrupt map
*/
finish_device_tree();
/*
* Initialize xmon
*/
#ifdef CONFIG_XMON_DEFAULT
xmon_init();
#endif
/*
* Register early console
*/
early_console_initialized = 1;
register_console(&udbg_console);
/* Save unparsed command line copy for /proc/cmdline */
strlcpy(saved_command_line, cmd_line, COMMAND_LINE_SIZE);
parse_early_param();
#endif /* !CONFIG_PPC_ISERIES */
#if defined(CONFIG_SMP) && !defined(CONFIG_PPC_ISERIES)
/*
* iSeries has already initialized the cpu maps at this point.
*/
setup_cpu_maps();
/* Release secondary cpus out of their spinloops at 0x60 now that
* we can map physical -> logical CPU ids
*/
smp_release_cpus();
#endif /* defined(CONFIG_SMP) && !defined(CONFIG_PPC_ISERIES) */
printk("Starting Linux PPC64 %s\n", UTS_RELEASE);
printk("-----------------------------------------------------\n");
printk("naca = 0x%p\n", naca);
printk("naca->pftSize = 0x%lx\n", naca->pftSize);
printk("naca->debug_switch = 0x%lx\n", naca->debug_switch);
printk("naca->interrupt_controller = 0x%ld\n", naca->interrupt_controller);
printk("systemcfg = 0x%p\n", systemcfg);
printk("systemcfg->platform = 0x%x\n", systemcfg->platform);
printk("systemcfg->processorCount = 0x%lx\n", systemcfg->processorCount);
printk("systemcfg->physicalMemorySize = 0x%lx\n", systemcfg->physicalMemorySize);
printk("systemcfg->dCacheL1LineSize = 0x%x\n", systemcfg->dCacheL1LineSize);
printk("systemcfg->iCacheL1LineSize = 0x%x\n", systemcfg->iCacheL1LineSize);
printk("htab_data.htab = 0x%p\n", htab_data.htab);
printk("htab_data.num_ptegs = 0x%lx\n", htab_data.htab_num_ptegs);
printk("-----------------------------------------------------\n");
mm_init_ppc64();
DBG(" <- setup_system()\n");
}
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();
}
/* 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;
}
