1071327ecSAlexander Beregalov /* 21da177e4SLinus Torvalds * Initial setup-routines for HP 9000 based hardware. 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Copyright (C) 1991, 1992, 1995 Linus Torvalds 51da177e4SLinus Torvalds * Modifications for PA-RISC (C) 1999 Helge Deller <deller@gmx.de> 61da177e4SLinus Torvalds * Modifications copyright 1999 SuSE GmbH (Philipp Rumpf) 71da177e4SLinus Torvalds * Modifications copyright 2000 Martin K. Petersen <mkp@mkp.net> 81da177e4SLinus Torvalds * Modifications copyright 2000 Philipp Rumpf <prumpf@tux.org> 91da177e4SLinus Torvalds * Modifications copyright 2001 Ryan Bradetich <rbradetich@uswest.net> 101da177e4SLinus Torvalds * 111da177e4SLinus Torvalds * Initial PA-RISC Version: 04-23-1999 by Helge Deller 121da177e4SLinus Torvalds * 131da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify 141da177e4SLinus Torvalds * it under the terms of the GNU General Public License as published by 151da177e4SLinus Torvalds * the Free Software Foundation; either version 2, or (at your option) 161da177e4SLinus Torvalds * any later version. 171da177e4SLinus Torvalds * 181da177e4SLinus Torvalds * This program is distributed in the hope that it will be useful, 191da177e4SLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 201da177e4SLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 211da177e4SLinus Torvalds * GNU General Public License for more details. 221da177e4SLinus Torvalds * 231da177e4SLinus Torvalds * You should have received a copy of the GNU General Public License 241da177e4SLinus Torvalds * along with this program; if not, write to the Free Software 251da177e4SLinus Torvalds * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 261da177e4SLinus Torvalds * 271da177e4SLinus Torvalds */ 281da177e4SLinus Torvalds 291da177e4SLinus Torvalds #include <linux/kernel.h> 301da177e4SLinus Torvalds #include <linux/initrd.h> 311da177e4SLinus Torvalds #include <linux/init.h> 321da177e4SLinus Torvalds #include <linux/console.h> 331da177e4SLinus Torvalds #include <linux/seq_file.h> 341da177e4SLinus Torvalds #define PCI_DEBUG 351da177e4SLinus Torvalds #include <linux/pci.h> 361da177e4SLinus Torvalds #undef PCI_DEBUG 371da177e4SLinus Torvalds #include <linux/proc_fs.h> 38a87df54eSPaul Gortmaker #include <linux/export.h> 39acb04058SPeter Zijlstra #include <linux/sched.h> 40e6017571SIngo Molnar #include <linux/sched/clock.h> 4108b8a99bSHelge Deller #include <linux/start_kernel.h> 421da177e4SLinus Torvalds 433e803d3eSChristoph Hellwig #include <asm/cacheflush.h> 441da177e4SLinus Torvalds #include <asm/processor.h> 45690d097cSHelge Deller #include <asm/sections.h> 461da177e4SLinus Torvalds #include <asm/pdc.h> 471da177e4SLinus Torvalds #include <asm/led.h> 481da177e4SLinus Torvalds #include <asm/machdep.h> /* for pa7300lc_init() proto */ 491da177e4SLinus Torvalds #include <asm/pdc_chassis.h> 501da177e4SLinus Torvalds #include <asm/io.h> 511da177e4SLinus Torvalds #include <asm/setup.h> 52f0514ae3SJames Bottomley #include <asm/unwind.h> 53a7e6601fSHelge Deller #include <asm/smp.h> 541da177e4SLinus Torvalds 5501da41b8SAlexey Dobriyan static char __initdata command_line[COMMAND_LINE_SIZE]; 561da177e4SLinus Torvalds 571da177e4SLinus Torvalds /* Intended for ccio/sba/cpu statistics under /proc/bus/{runway|gsc} */ 588039de10SHelge Deller struct proc_dir_entry * proc_runway_root __read_mostly = NULL; 598039de10SHelge Deller struct proc_dir_entry * proc_gsc_root __read_mostly = NULL; 608039de10SHelge Deller struct proc_dir_entry * proc_mckinley_root __read_mostly = NULL; 611da177e4SLinus Torvalds 621da177e4SLinus Torvalds void __init setup_cmdline(char **cmdline_p) 631da177e4SLinus Torvalds { 641da177e4SLinus Torvalds extern unsigned int boot_args[]; 651da177e4SLinus Torvalds 661da177e4SLinus Torvalds /* Collect stuff passed in from the boot loader */ 671da177e4SLinus Torvalds 681da177e4SLinus Torvalds /* boot_args[0] is free-mem start, boot_args[1] is ptr to command line */ 691da177e4SLinus Torvalds if (boot_args[0] < 64) { 701da177e4SLinus Torvalds /* called from hpux boot loader */ 71668f9931SAlon Bar-Lev boot_command_line[0] = '\0'; 721da177e4SLinus Torvalds } else { 73ea99b1adSChen Gang strlcpy(boot_command_line, (char *)__va(boot_args[1]), 74ea99b1adSChen Gang COMMAND_LINE_SIZE); 751da177e4SLinus Torvalds 761da177e4SLinus Torvalds #ifdef CONFIG_BLK_DEV_INITRD 771da177e4SLinus Torvalds if (boot_args[2] != 0) /* did palo pass us a ramdisk? */ 781da177e4SLinus Torvalds { 791da177e4SLinus Torvalds initrd_start = (unsigned long)__va(boot_args[2]); 801da177e4SLinus Torvalds initrd_end = (unsigned long)__va(boot_args[3]); 811da177e4SLinus Torvalds } 821da177e4SLinus Torvalds #endif 831da177e4SLinus Torvalds } 841da177e4SLinus Torvalds 85668f9931SAlon Bar-Lev strcpy(command_line, boot_command_line); 861da177e4SLinus Torvalds *cmdline_p = command_line; 871da177e4SLinus Torvalds } 881da177e4SLinus Torvalds 891da177e4SLinus Torvalds #ifdef CONFIG_PA11 901da177e4SLinus Torvalds void __init dma_ops_init(void) 911da177e4SLinus Torvalds { 921da177e4SLinus Torvalds switch (boot_cpu_data.cpu_type) { 931da177e4SLinus Torvalds case pcx: 941da177e4SLinus Torvalds /* 951da177e4SLinus Torvalds * We've got way too many dependencies on 1.1 semantics 961da177e4SLinus Torvalds * to support 1.0 boxes at this point. 971da177e4SLinus Torvalds */ 981da177e4SLinus Torvalds panic( "PA-RISC Linux currently only supports machines that conform to\n" 991da177e4SLinus Torvalds "the PA-RISC 1.1 or 2.0 architecture specification.\n"); 1001da177e4SLinus Torvalds 1011da177e4SLinus Torvalds case pcxl2: 1021da177e4SLinus Torvalds pa7300lc_init(); 1031da177e4SLinus Torvalds break; 1041da177e4SLinus Torvalds default: 1051da177e4SLinus Torvalds break; 1061da177e4SLinus Torvalds } 1071da177e4SLinus Torvalds } 1081da177e4SLinus Torvalds #endif 1091da177e4SLinus Torvalds 1101da177e4SLinus Torvalds extern void collect_boot_cpu_data(void); 1111da177e4SLinus Torvalds 1121da177e4SLinus Torvalds void __init setup_arch(char **cmdline_p) 1131da177e4SLinus Torvalds { 114a8f44e38SHelge Deller #ifdef CONFIG_64BIT 1151da177e4SLinus Torvalds extern int parisc_narrow_firmware; 1161da177e4SLinus Torvalds #endif 117f0514ae3SJames Bottomley unwind_init(); 1181da177e4SLinus Torvalds 1191da177e4SLinus Torvalds init_per_cpu(smp_processor_id()); /* Set Modes & Enable FP */ 1201da177e4SLinus Torvalds 121a8f44e38SHelge Deller #ifdef CONFIG_64BIT 1221da177e4SLinus Torvalds printk(KERN_INFO "The 64-bit Kernel has started...\n"); 1231da177e4SLinus Torvalds #else 1241da177e4SLinus Torvalds printk(KERN_INFO "The 32-bit Kernel has started...\n"); 1251da177e4SLinus Torvalds #endif 1261da177e4SLinus Torvalds 127736d2169SHelge Deller printk(KERN_INFO "Kernel default page size is %d KB. Huge pages ", 128736d2169SHelge Deller (int)(PAGE_SIZE / 1024)); 129736d2169SHelge Deller #ifdef CONFIG_HUGETLB_PAGE 130736d2169SHelge Deller printk(KERN_CONT "enabled with %d MB physical and %d MB virtual size", 131736d2169SHelge Deller 1 << (REAL_HPAGE_SHIFT - 20), 1 << (HPAGE_SHIFT - 20)); 132736d2169SHelge Deller #else 133736d2169SHelge Deller printk(KERN_CONT "disabled"); 134736d2169SHelge Deller #endif 135736d2169SHelge Deller printk(KERN_CONT ".\n"); 136736d2169SHelge Deller 137690d097cSHelge Deller /* 138690d097cSHelge Deller * Check if initial kernel page mappings are sufficient. 139690d097cSHelge Deller * panic early if not, else we may access kernel functions 140690d097cSHelge Deller * and variables which can't be reached. 141690d097cSHelge Deller */ 142690d097cSHelge Deller if (__pa((unsigned long) &_end) >= KERNEL_INITIAL_SIZE) 143690d097cSHelge Deller panic("KERNEL_INITIAL_ORDER too small!"); 1446a45716aSHelge Deller 1451da177e4SLinus Torvalds pdc_console_init(); 1461da177e4SLinus Torvalds 147a8f44e38SHelge Deller #ifdef CONFIG_64BIT 1481da177e4SLinus Torvalds if(parisc_narrow_firmware) { 1491da177e4SLinus Torvalds printk(KERN_INFO "Kernel is using PDC in 32-bit mode.\n"); 1501da177e4SLinus Torvalds } 1511da177e4SLinus Torvalds #endif 1521da177e4SLinus Torvalds setup_pdc(); 1531da177e4SLinus Torvalds setup_cmdline(cmdline_p); 1541da177e4SLinus Torvalds collect_boot_cpu_data(); 1551da177e4SLinus Torvalds do_memory_inventory(); /* probe for physical memory */ 1561da177e4SLinus Torvalds parisc_cache_init(); 1571da177e4SLinus Torvalds paging_init(); 1581da177e4SLinus Torvalds 1591da177e4SLinus Torvalds #ifdef CONFIG_CHASSIS_LCD_LED 1601da177e4SLinus Torvalds /* initialize the LCD/LED after boot_cpu_data is available ! */ 1611da177e4SLinus Torvalds led_init(); /* LCD/LED initialization */ 1621da177e4SLinus Torvalds #endif 1631da177e4SLinus Torvalds 1641da177e4SLinus Torvalds #ifdef CONFIG_PA11 1651da177e4SLinus Torvalds dma_ops_init(); 1661da177e4SLinus Torvalds #endif 1671da177e4SLinus Torvalds 1681da177e4SLinus Torvalds #if defined(CONFIG_VT) && defined(CONFIG_DUMMY_CONSOLE) 169155957f5SWang YanQing conswitchp = &dummy_con; /* we use do_take_over_console() later ! */ 1701da177e4SLinus Torvalds #endif 1711da177e4SLinus Torvalds 172acb04058SPeter Zijlstra clear_sched_clock_stable(); 1731da177e4SLinus Torvalds } 1741da177e4SLinus Torvalds 1751da177e4SLinus Torvalds /* 1767022672eSSimon Arlott * Display CPU info for all CPUs. 1771da177e4SLinus Torvalds * for parisc this is in processor.c 1781da177e4SLinus Torvalds */ 1791da177e4SLinus Torvalds extern int show_cpuinfo (struct seq_file *m, void *v); 1801da177e4SLinus Torvalds 1811da177e4SLinus Torvalds static void * 1821da177e4SLinus Torvalds c_start (struct seq_file *m, loff_t *pos) 1831da177e4SLinus Torvalds { 1841da177e4SLinus Torvalds /* Looks like the caller will call repeatedly until we return 1851da177e4SLinus Torvalds * 0, signaling EOF perhaps. This could be used to sequence 1861da177e4SLinus Torvalds * through CPUs for example. Since we print all cpu info in our 1871da177e4SLinus Torvalds * show_cpuinfo() disregarding 'pos' (which I assume is 'v' above) 1881da177e4SLinus Torvalds * we only allow for one "position". */ 1891da177e4SLinus Torvalds return ((long)*pos < 1) ? (void *)1 : NULL; 1901da177e4SLinus Torvalds } 1911da177e4SLinus Torvalds 1921da177e4SLinus Torvalds static void * 1931da177e4SLinus Torvalds c_next (struct seq_file *m, void *v, loff_t *pos) 1941da177e4SLinus Torvalds { 1951da177e4SLinus Torvalds ++*pos; 1961da177e4SLinus Torvalds return c_start(m, pos); 1971da177e4SLinus Torvalds } 1981da177e4SLinus Torvalds 1991da177e4SLinus Torvalds static void 2001da177e4SLinus Torvalds c_stop (struct seq_file *m, void *v) 2011da177e4SLinus Torvalds { 2021da177e4SLinus Torvalds } 2031da177e4SLinus Torvalds 20403a44825SJan Engelhardt const struct seq_operations cpuinfo_op = { 2051da177e4SLinus Torvalds .start = c_start, 2061da177e4SLinus Torvalds .next = c_next, 2071da177e4SLinus Torvalds .stop = c_stop, 2081da177e4SLinus Torvalds .show = show_cpuinfo 2091da177e4SLinus Torvalds }; 2101da177e4SLinus Torvalds 2111da177e4SLinus Torvalds static void __init parisc_proc_mkdir(void) 2121da177e4SLinus Torvalds { 2131da177e4SLinus Torvalds /* 2141da177e4SLinus Torvalds ** Can't call proc_mkdir() until after proc_root_init() has been 2151da177e4SLinus Torvalds ** called by start_kernel(). In other words, this code can't 2161da177e4SLinus Torvalds ** live in arch/.../setup.c because start_parisc() calls 2171da177e4SLinus Torvalds ** start_kernel(). 2181da177e4SLinus Torvalds */ 2191da177e4SLinus Torvalds switch (boot_cpu_data.cpu_type) { 2201da177e4SLinus Torvalds case pcxl: 2211da177e4SLinus Torvalds case pcxl2: 2221da177e4SLinus Torvalds if (NULL == proc_gsc_root) 2231da177e4SLinus Torvalds { 2241da177e4SLinus Torvalds proc_gsc_root = proc_mkdir("bus/gsc", NULL); 2251da177e4SLinus Torvalds } 2261da177e4SLinus Torvalds break; 2271da177e4SLinus Torvalds case pcxt_: 2281da177e4SLinus Torvalds case pcxu: 2291da177e4SLinus Torvalds case pcxu_: 2301da177e4SLinus Torvalds case pcxw: 2311da177e4SLinus Torvalds case pcxw_: 2321da177e4SLinus Torvalds case pcxw2: 2331da177e4SLinus Torvalds if (NULL == proc_runway_root) 2341da177e4SLinus Torvalds { 2351da177e4SLinus Torvalds proc_runway_root = proc_mkdir("bus/runway", NULL); 2361da177e4SLinus Torvalds } 2371da177e4SLinus Torvalds break; 2381da177e4SLinus Torvalds case mako: 2392cbd42dbSKyle McMartin case mako2: 2401da177e4SLinus Torvalds if (NULL == proc_mckinley_root) 2411da177e4SLinus Torvalds { 2421da177e4SLinus Torvalds proc_mckinley_root = proc_mkdir("bus/mckinley", NULL); 2431da177e4SLinus Torvalds } 2441da177e4SLinus Torvalds break; 2451da177e4SLinus Torvalds default: 2461da177e4SLinus Torvalds /* FIXME: this was added to prevent the compiler 2471da177e4SLinus Torvalds * complaining about missing pcx, pcxs and pcxt 2481da177e4SLinus Torvalds * I'm assuming they have neither gsc nor runway */ 2491da177e4SLinus Torvalds break; 2501da177e4SLinus Torvalds } 2511da177e4SLinus Torvalds } 2521da177e4SLinus Torvalds 2531da177e4SLinus Torvalds static struct resource central_bus = { 2541da177e4SLinus Torvalds .name = "Central Bus", 2551da177e4SLinus Torvalds .start = F_EXTEND(0xfff80000), 2561da177e4SLinus Torvalds .end = F_EXTEND(0xfffaffff), 2571da177e4SLinus Torvalds .flags = IORESOURCE_MEM, 2581da177e4SLinus Torvalds }; 2591da177e4SLinus Torvalds 2601da177e4SLinus Torvalds static struct resource local_broadcast = { 2611da177e4SLinus Torvalds .name = "Local Broadcast", 2621da177e4SLinus Torvalds .start = F_EXTEND(0xfffb0000), 2631da177e4SLinus Torvalds .end = F_EXTEND(0xfffdffff), 2641da177e4SLinus Torvalds .flags = IORESOURCE_MEM, 2651da177e4SLinus Torvalds }; 2661da177e4SLinus Torvalds 2671da177e4SLinus Torvalds static struct resource global_broadcast = { 2681da177e4SLinus Torvalds .name = "Global Broadcast", 2691da177e4SLinus Torvalds .start = F_EXTEND(0xfffe0000), 2701da177e4SLinus Torvalds .end = F_EXTEND(0xffffffff), 2711da177e4SLinus Torvalds .flags = IORESOURCE_MEM, 2721da177e4SLinus Torvalds }; 2731da177e4SLinus Torvalds 2741da177e4SLinus Torvalds static int __init parisc_init_resources(void) 2751da177e4SLinus Torvalds { 2761da177e4SLinus Torvalds int result; 2771da177e4SLinus Torvalds 2781da177e4SLinus Torvalds result = request_resource(&iomem_resource, ¢ral_bus); 2791da177e4SLinus Torvalds if (result < 0) { 2801da177e4SLinus Torvalds printk(KERN_ERR 2811da177e4SLinus Torvalds "%s: failed to claim %s address space!\n", 2821da177e4SLinus Torvalds __FILE__, central_bus.name); 2831da177e4SLinus Torvalds return result; 2841da177e4SLinus Torvalds } 2851da177e4SLinus Torvalds 2861da177e4SLinus Torvalds result = request_resource(&iomem_resource, &local_broadcast); 2871da177e4SLinus Torvalds if (result < 0) { 2881da177e4SLinus Torvalds printk(KERN_ERR 2891da177e4SLinus Torvalds "%s: failed to claim %saddress space!\n", 2901da177e4SLinus Torvalds __FILE__, local_broadcast.name); 2911da177e4SLinus Torvalds return result; 2921da177e4SLinus Torvalds } 2931da177e4SLinus Torvalds 2941da177e4SLinus Torvalds result = request_resource(&iomem_resource, &global_broadcast); 2951da177e4SLinus Torvalds if (result < 0) { 2961da177e4SLinus Torvalds printk(KERN_ERR 2971da177e4SLinus Torvalds "%s: failed to claim %s address space!\n", 2981da177e4SLinus Torvalds __FILE__, global_broadcast.name); 2991da177e4SLinus Torvalds return result; 3001da177e4SLinus Torvalds } 3011da177e4SLinus Torvalds 3021da177e4SLinus Torvalds return 0; 3031da177e4SLinus Torvalds } 3041da177e4SLinus Torvalds 3051da177e4SLinus Torvalds extern void gsc_init(void); 3061da177e4SLinus Torvalds extern void processor_init(void); 3071da177e4SLinus Torvalds extern void ccio_init(void); 3081da177e4SLinus Torvalds extern void hppb_init(void); 3091da177e4SLinus Torvalds extern void dino_init(void); 3101da177e4SLinus Torvalds extern void iosapic_init(void); 3111da177e4SLinus Torvalds extern void lba_init(void); 3121da177e4SLinus Torvalds extern void sba_init(void); 3131da177e4SLinus Torvalds extern void eisa_init(void); 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds static int __init parisc_init(void) 3161da177e4SLinus Torvalds { 317ec1fdc24SKyle McMartin u32 osid = (OS_ID_LINUX << 16); 3183f9edb53SThibaut Varene 3191da177e4SLinus Torvalds parisc_proc_mkdir(); 3201da177e4SLinus Torvalds parisc_init_resources(); 3211da177e4SLinus Torvalds do_device_inventory(); /* probe for hardware */ 3221da177e4SLinus Torvalds 3231da177e4SLinus Torvalds parisc_pdc_chassis_init(); 3241da177e4SLinus Torvalds 3251da177e4SLinus Torvalds /* set up a new led state on systems shipped LED State panel */ 3261da177e4SLinus Torvalds pdc_chassis_send_status(PDC_CHASSIS_DIRECT_BSTART); 3271da177e4SLinus Torvalds 3283f9edb53SThibaut Varene /* tell PDC we're Linux. Nevermind failure. */ 3293f9edb53SThibaut Varene pdc_stable_write(0x40, &osid, sizeof(osid)); 3303f9edb53SThibaut Varene 331741dc7bfSJohn David Anglin /* start with known state */ 332741dc7bfSJohn David Anglin flush_cache_all_local(); 333741dc7bfSJohn David Anglin flush_tlb_all_local(NULL); 334741dc7bfSJohn David Anglin 3351da177e4SLinus Torvalds processor_init(); 3363a7452b4SHelge Deller #ifdef CONFIG_SMP 3373a7452b4SHelge Deller pr_info("CPU(s): %d out of %d %s at %d.%06d MHz online\n", 3383a7452b4SHelge Deller num_online_cpus(), num_present_cpus(), 3393a7452b4SHelge Deller #else 3403a7452b4SHelge Deller pr_info("CPU(s): 1 x %s at %d.%06d MHz\n", 3413a7452b4SHelge Deller #endif 3421da177e4SLinus Torvalds boot_cpu_data.cpu_name, 3431da177e4SLinus Torvalds boot_cpu_data.cpu_hz / 1000000, 3441da177e4SLinus Torvalds boot_cpu_data.cpu_hz % 1000000 ); 3451da177e4SLinus Torvalds 3463847dab7SHelge Deller apply_alternatives_all(); 3471da177e4SLinus Torvalds parisc_setup_cache_timing(); 3481da177e4SLinus Torvalds 3491da177e4SLinus Torvalds /* These are in a non-obvious order, will fix when we have an iotree */ 3501da177e4SLinus Torvalds #if defined(CONFIG_IOSAPIC) 3511da177e4SLinus Torvalds iosapic_init(); 3521da177e4SLinus Torvalds #endif 3531da177e4SLinus Torvalds #if defined(CONFIG_IOMMU_SBA) 3541da177e4SLinus Torvalds sba_init(); 3551da177e4SLinus Torvalds #endif 3561da177e4SLinus Torvalds #if defined(CONFIG_PCI_LBA) 3571da177e4SLinus Torvalds lba_init(); 3581da177e4SLinus Torvalds #endif 3591da177e4SLinus Torvalds 3601da177e4SLinus Torvalds /* CCIO before any potential subdevices */ 3611da177e4SLinus Torvalds #if defined(CONFIG_IOMMU_CCIO) 3621da177e4SLinus Torvalds ccio_init(); 3631da177e4SLinus Torvalds #endif 3641da177e4SLinus Torvalds 3651da177e4SLinus Torvalds /* 3661da177e4SLinus Torvalds * Need to register Asp & Wax before the EISA adapters for the IRQ 3671da177e4SLinus Torvalds * regions. EISA must come before PCI to be sure it gets IRQ region 3681da177e4SLinus Torvalds * 0. 3691da177e4SLinus Torvalds */ 3701da177e4SLinus Torvalds #if defined(CONFIG_GSC_LASI) || defined(CONFIG_GSC_WAX) 3711da177e4SLinus Torvalds gsc_init(); 3721da177e4SLinus Torvalds #endif 3731da177e4SLinus Torvalds #ifdef CONFIG_EISA 3741da177e4SLinus Torvalds eisa_init(); 3751da177e4SLinus Torvalds #endif 3761da177e4SLinus Torvalds 3771da177e4SLinus Torvalds #if defined(CONFIG_HPPB) 3781da177e4SLinus Torvalds hppb_init(); 3791da177e4SLinus Torvalds #endif 3801da177e4SLinus Torvalds 3811da177e4SLinus Torvalds #if defined(CONFIG_GSC_DINO) 3821da177e4SLinus Torvalds dino_init(); 3831da177e4SLinus Torvalds #endif 3841da177e4SLinus Torvalds 3851da177e4SLinus Torvalds #ifdef CONFIG_CHASSIS_LCD_LED 3861da177e4SLinus Torvalds register_led_regions(); /* register LED port info in procfs */ 3871da177e4SLinus Torvalds #endif 3881da177e4SLinus Torvalds 3891da177e4SLinus Torvalds return 0; 3901da177e4SLinus Torvalds } 3911da177e4SLinus Torvalds arch_initcall(parisc_init); 3921da177e4SLinus Torvalds 39308b8a99bSHelge Deller void __init start_parisc(void) 394089d5528SKyle McMartin { 3954182d0cdSHelge Deller extern void early_trap_init(void); 396089d5528SKyle McMartin 397089d5528SKyle McMartin int ret, cpunum; 398089d5528SKyle McMartin struct pdc_coproc_cfg coproc_cfg; 399089d5528SKyle McMartin 400089d5528SKyle McMartin cpunum = smp_processor_id(); 401089d5528SKyle McMartin 402bf7b4c1bSHelge Deller init_cpu_topology(); 403bf7b4c1bSHelge Deller 404089d5528SKyle McMartin set_firmware_width_unlocked(); 405089d5528SKyle McMartin 406089d5528SKyle McMartin ret = pdc_coproc_cfg_unlocked(&coproc_cfg); 407089d5528SKyle McMartin if (ret >= 0 && coproc_cfg.ccr_functional) { 408089d5528SKyle McMartin mtctl(coproc_cfg.ccr_functional, 10); 409089d5528SKyle McMartin 410ef017bebSHelge Deller per_cpu(cpu_data, cpunum).fp_rev = coproc_cfg.revision; 411ef017bebSHelge Deller per_cpu(cpu_data, cpunum).fp_model = coproc_cfg.model; 412089d5528SKyle McMartin 413089d5528SKyle McMartin asm volatile ("fstd %fr0,8(%sp)"); 414089d5528SKyle McMartin } else { 415089d5528SKyle McMartin panic("must have an fpu to boot linux"); 416089d5528SKyle McMartin } 417089d5528SKyle McMartin 4184182d0cdSHelge Deller early_trap_init(); /* initialize checksum of fault_vector */ 4194182d0cdSHelge Deller 420089d5528SKyle McMartin start_kernel(); 421089d5528SKyle McMartin // not reached 422089d5528SKyle McMartin } 423