[linux-2.6-block.git] / arch / parisc / kernel / setup.c

/*
 *    Initial setup-routines for HP 9000 based hardware.
 *
 *    Copyright (C) 1991, 1992, 1995  Linus Torvalds
 *    Modifications for PA-RISC (C) 1999 Helge Deller <deller@gmx.de>
 *    Modifications copyright 1999 SuSE GmbH (Philipp Rumpf)
 *    Modifications copyright 2000 Martin K. Petersen <mkp@mkp.net>
 *    Modifications copyright 2000 Philipp Rumpf <prumpf@tux.org>
 *    Modifications copyright 2001 Ryan Bradetich <rbradetich@uswest.net>
 *
 *    Initial PA-RISC Version: 04-23-1999 by Helge Deller
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2, or (at your option)
 *    any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include <linux/kernel.h>
#include <linux/initrd.h>
#include <linux/init.h>
#include <linux/console.h>
#include <linux/seq_file.h>
#define PCI_DEBUG
#include <linux/pci.h>
#undef PCI_DEBUG
#include <linux/proc_fs.h>
#include <linux/export.h>
#include <linux/sched.h>
#include <linux/sched/clock.h>
#include <linux/start_kernel.h>

#include <asm/cacheflush.h>
#include <asm/processor.h>
#include <asm/sections.h>
#include <asm/pdc.h>
#include <asm/led.h>
#include <asm/machdep.h>	/* for pa7300lc_init() proto */
#include <asm/pdc_chassis.h>
#include <asm/io.h>
#include <asm/setup.h>
#include <asm/unwind.h>
#include <asm/smp.h>

static char __initdata command_line[COMMAND_LINE_SIZE];

/* Intended for ccio/sba/cpu statistics under /proc/bus/{runway|gsc} */
struct proc_dir_entry * proc_runway_root __read_mostly = NULL;
struct proc_dir_entry * proc_gsc_root __read_mostly = NULL;
struct proc_dir_entry * proc_mckinley_root __read_mostly = NULL;

void __init setup_cmdline(char **cmdline_p)
{
	extern unsigned int boot_args[];

	/* Collect stuff passed in from the boot loader */

	/* boot_args[0] is free-mem start, boot_args[1] is ptr to command line */
	if (boot_args[0] < 64) {
		/* called from hpux boot loader */
		boot_command_line[0] = '\0';
	} else {
		strlcpy(boot_command_line, (char *)__va(boot_args[1]),
			COMMAND_LINE_SIZE);

#ifdef CONFIG_BLK_DEV_INITRD
		if (boot_args[2] != 0) /* did palo pass us a ramdisk? */
		{
		    initrd_start = (unsigned long)__va(boot_args[2]);
		    initrd_end = (unsigned long)__va(boot_args[3]);
		}
#endif
	}

	strcpy(command_line, boot_command_line);
	*cmdline_p = command_line;
}

#ifdef CONFIG_PA11
void __init dma_ops_init(void)
{
	switch (boot_cpu_data.cpu_type) {
	case pcx:
		/*
		 * We've got way too many dependencies on 1.1 semantics
		 * to support 1.0 boxes at this point.
		 */
		panic(	"PA-RISC Linux currently only supports machines that conform to\n"
			"the PA-RISC 1.1 or 2.0 architecture specification.\n");

	case pcxl2:
		pa7300lc_init();
		break;
	default:
		break;
	}
}
#endif

extern void collect_boot_cpu_data(void);

void __init setup_arch(char **cmdline_p)
{
#ifdef CONFIG_64BIT
	extern int parisc_narrow_firmware;
#endif
	unwind_init();

	init_per_cpu(smp_processor_id());	/* Set Modes & Enable FP */

#ifdef CONFIG_64BIT
	printk(KERN_INFO "The 64-bit Kernel has started...\n");
#else
	printk(KERN_INFO "The 32-bit Kernel has started...\n");
#endif

	printk(KERN_INFO "Kernel default page size is %d KB. Huge pages ",
		(int)(PAGE_SIZE / 1024));
#ifdef CONFIG_HUGETLB_PAGE
	printk(KERN_CONT "enabled with %d MB physical and %d MB virtual size",
		 1 << (REAL_HPAGE_SHIFT - 20), 1 << (HPAGE_SHIFT - 20));
#else
	printk(KERN_CONT "disabled");
#endif
	printk(KERN_CONT ".\n");

	/*
	 * Check if initial kernel page mappings are sufficient.
	 * panic early if not, else we may access kernel functions
	 * and variables which can't be reached.
	 */
	if (__pa((unsigned long) &_end) >= KERNEL_INITIAL_SIZE)
		panic("KERNEL_INITIAL_ORDER too small!");

	pdc_console_init();

#ifdef CONFIG_64BIT
	if(parisc_narrow_firmware) {
		printk(KERN_INFO "Kernel is using PDC in 32-bit mode.\n");
	}
#endif
	setup_pdc();
	setup_cmdline(cmdline_p);
	collect_boot_cpu_data();
	do_memory_inventory();  /* probe for physical memory */
	parisc_cache_init();
	paging_init();

#ifdef CONFIG_CHASSIS_LCD_LED
	/* initialize the LCD/LED after boot_cpu_data is available ! */
	led_init();		/* LCD/LED initialization */
#endif

#ifdef CONFIG_PA11
	dma_ops_init();
#endif

#if defined(CONFIG_VT) && defined(CONFIG_DUMMY_CONSOLE)
	conswitchp = &dummy_con;	/* we use do_take_over_console() later ! */
#endif

	clear_sched_clock_stable();
}

/*
 * Display CPU info for all CPUs.
 * for parisc this is in processor.c
 */
extern int show_cpuinfo (struct seq_file *m, void *v);

static void *
c_start (struct seq_file *m, loff_t *pos)
{
    	/* Looks like the caller will call repeatedly until we return
	 * 0, signaling EOF perhaps.  This could be used to sequence
	 * through CPUs for example.  Since we print all cpu info in our
	 * show_cpuinfo() disregarding 'pos' (which I assume is 'v' above)
	 * we only allow for one "position".  */
	return ((long)*pos < 1) ? (void *)1 : NULL;
}

static void *
c_next (struct seq_file *m, void *v, loff_t *pos)
{
	++*pos;
	return c_start(m, pos);
}

static void
c_stop (struct seq_file *m, void *v)
{
}

const struct seq_operations cpuinfo_op = {
	.start	= c_start,
	.next	= c_next,
	.stop	= c_stop,
	.show	= show_cpuinfo
};

static void __init parisc_proc_mkdir(void)
{
	/*
	** Can't call proc_mkdir() until after proc_root_init() has been
	** called by start_kernel(). In other words, this code can't
	** live in arch/.../setup.c because start_parisc() calls
	** start_kernel().
	*/
	switch (boot_cpu_data.cpu_type) {
	case pcxl:
	case pcxl2:
		if (NULL == proc_gsc_root)
		{
			proc_gsc_root = proc_mkdir("bus/gsc", NULL);
		}
		break;
        case pcxt_:
        case pcxu:
        case pcxu_:
        case pcxw:
        case pcxw_:
        case pcxw2:
                if (NULL == proc_runway_root)
                {
                        proc_runway_root = proc_mkdir("bus/runway", NULL);
                }
                break;
	case mako:
	case mako2:
                if (NULL == proc_mckinley_root)
                {
                        proc_mckinley_root = proc_mkdir("bus/mckinley", NULL);
                }
                break;
	default:
		/* FIXME: this was added to prevent the compiler 
		 * complaining about missing pcx, pcxs and pcxt
		 * I'm assuming they have neither gsc nor runway */
		break;
	}
}

static struct resource central_bus = {
	.name	= "Central Bus",
	.start	= F_EXTEND(0xfff80000),
	.end    = F_EXTEND(0xfffaffff),
	.flags	= IORESOURCE_MEM,
};

static struct resource local_broadcast = {
	.name	= "Local Broadcast",
	.start	= F_EXTEND(0xfffb0000),
	.end	= F_EXTEND(0xfffdffff),
	.flags	= IORESOURCE_MEM,
};

static struct resource global_broadcast = {
	.name	= "Global Broadcast",
	.start	= F_EXTEND(0xfffe0000),
	.end	= F_EXTEND(0xffffffff),
	.flags	= IORESOURCE_MEM,
};

static int __init parisc_init_resources(void)
{
	int result;

	result = request_resource(&iomem_resource, &central_bus);
	if (result < 0) {
		printk(KERN_ERR 
		       "%s: failed to claim %s address space!\n", 
		       __FILE__, central_bus.name);
		return result;
	}

	result = request_resource(&iomem_resource, &local_broadcast);
	if (result < 0) {
		printk(KERN_ERR 
		       "%s: failed to claim %saddress space!\n", 
		       __FILE__, local_broadcast.name);
		return result;
	}

	result = request_resource(&iomem_resource, &global_broadcast);
	if (result < 0) {
		printk(KERN_ERR 
		       "%s: failed to claim %s address space!\n", 
		       __FILE__, global_broadcast.name);
		return result;
	}

	return 0;
}

extern void gsc_init(void);
extern void processor_init(void);
extern void ccio_init(void);
extern void hppb_init(void);
extern void dino_init(void);
extern void iosapic_init(void);
extern void lba_init(void);
extern void sba_init(void);
extern void eisa_init(void);

static int __init parisc_init(void)
{
	u32 osid = (OS_ID_LINUX << 16);

	parisc_proc_mkdir();
	parisc_init_resources();
	do_device_inventory();                  /* probe for hardware */

	parisc_pdc_chassis_init();
	
	/* set up a new led state on systems shipped LED State panel */
	pdc_chassis_send_status(PDC_CHASSIS_DIRECT_BSTART);

	/* tell PDC we're Linux. Nevermind failure. */
	pdc_stable_write(0x40, &osid, sizeof(osid));
	
	/* start with known state */
	flush_cache_all_local();
	flush_tlb_all_local(NULL);

	processor_init();
#ifdef CONFIG_SMP
	pr_info("CPU(s): %d out of %d %s at %d.%06d MHz online\n",
		num_online_cpus(), num_present_cpus(),
#else
	pr_info("CPU(s): 1 x %s at %d.%06d MHz\n",
#endif
			boot_cpu_data.cpu_name,
			boot_cpu_data.cpu_hz / 1000000,
			boot_cpu_data.cpu_hz % 1000000	);

#if defined(CONFIG_64BIT) && defined(CONFIG_SMP)
	/* Don't serialize TLB flushes if we run on one CPU only. */
	if (num_online_cpus() == 1)
		pa_serialize_tlb_flushes = 0;
#endif

	apply_alternatives_all();
	parisc_setup_cache_timing();

	/* These are in a non-obvious order, will fix when we have an iotree */
#if defined(CONFIG_IOSAPIC)
	iosapic_init();
#endif
#if defined(CONFIG_IOMMU_SBA)
	sba_init();
#endif
#if defined(CONFIG_PCI_LBA)
	lba_init();
#endif

	/* CCIO before any potential subdevices */
#if defined(CONFIG_IOMMU_CCIO)
	ccio_init();
#endif

	/*
	 * Need to register Asp & Wax before the EISA adapters for the IRQ
	 * regions.  EISA must come before PCI to be sure it gets IRQ region
	 * 0.
	 */
#if defined(CONFIG_GSC_LASI) || defined(CONFIG_GSC_WAX)
	gsc_init();
#endif
#ifdef CONFIG_EISA
	eisa_init();
#endif

#if defined(CONFIG_HPPB)
	hppb_init();
#endif

#if defined(CONFIG_GSC_DINO)
	dino_init();
#endif

#ifdef CONFIG_CHASSIS_LCD_LED
	register_led_regions();	/* register LED port info in procfs */
#endif

	return 0;
}
arch_initcall(parisc_init);

void __init start_parisc(void)
{
	extern void early_trap_init(void);

	int ret, cpunum;
	struct pdc_coproc_cfg coproc_cfg;

	/* check QEMU/SeaBIOS marker in PAGE0 */
	running_on_qemu = (memcmp(&PAGE0->pad0, "SeaBIOS", 8) == 0);

	cpunum = smp_processor_id();

	init_cpu_topology();

	set_firmware_width_unlocked();

	ret = pdc_coproc_cfg_unlocked(&coproc_cfg);
	if (ret >= 0 && coproc_cfg.ccr_functional) {
		mtctl(coproc_cfg.ccr_functional, 10);

		per_cpu(cpu_data, cpunum).fp_rev = coproc_cfg.revision;
		per_cpu(cpu_data, cpunum).fp_model = coproc_cfg.model;

		asm volatile ("fstd	%fr0,8(%sp)");
	} else {
		panic("must have an fpu to boot linux");
	}

	early_trap_init(); /* initialize checksum of fault_vector */

	start_kernel();
	// not reached
}
Commit	Line	Data
071327ec	1	/*
1da177e4 LT	2	* Initial setup-routines for HP 9000 based hardware.
	3	*
	4	* Copyright (C) 1991, 1992, 1995 Linus Torvalds
	5	* Modifications for PA-RISC (C) 1999 Helge Deller <deller@gmx.de>
	6	* Modifications copyright 1999 SuSE GmbH (Philipp Rumpf)
	7	* Modifications copyright 2000 Martin K. Petersen <mkp@mkp.net>
	8	* Modifications copyright 2000 Philipp Rumpf <prumpf@tux.org>
	9	* Modifications copyright 2001 Ryan Bradetich <rbradetich@uswest.net>
	10	*
	11	* Initial PA-RISC Version: 04-23-1999 by Helge Deller
	12	*
	13	* This program is free software; you can redistribute it and/or modify
	14	* it under the terms of the GNU General Public License as published by
	15	* the Free Software Foundation; either version 2, or (at your option)
	16	* any later version.
	17	*
	18	* This program is distributed in the hope that it will be useful,
	19	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	20	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	21	* GNU General Public License for more details.
	22	*
	23	* You should have received a copy of the GNU General Public License
	24	* along with this program; if not, write to the Free Software
	25	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	26	*
	27	*/
	28
1da177e4 LT	29	#include <linux/kernel.h>
	30	#include <linux/initrd.h>
	31	#include <linux/init.h>
	32	#include <linux/console.h>
	33	#include <linux/seq_file.h>
	34	#define PCI_DEBUG
	35	#include <linux/pci.h>
	36	#undef PCI_DEBUG
	37	#include <linux/proc_fs.h>
a87df54e	38	#include <linux/export.h>
acb04058	39	#include <linux/sched.h>
e6017571	40	#include <linux/sched/clock.h>
08b8a99b	41	#include <linux/start_kernel.h>
1da177e4	42
3e803d3e	43	#include <asm/cacheflush.h>
1da177e4	44	#include <asm/processor.h>
690d097c	45	#include <asm/sections.h>
1da177e4 LT	46	#include <asm/pdc.h>
	47	#include <asm/led.h>
	48	#include <asm/machdep.h> /* for pa7300lc_init() proto */
	49	#include <asm/pdc_chassis.h>
	50	#include <asm/io.h>
	51	#include <asm/setup.h>
f0514ae3	52	#include <asm/unwind.h>
a7e6601f	53	#include <asm/smp.h>
1da177e4	54
01da41b8	55	static char __initdata command_line[COMMAND_LINE_SIZE];
1da177e4 LT	56
1da177e4 LT	57	/* Intended for ccio/sba/cpu statistics under /proc/bus/{runway\|gsc} */
8039de10 HD	58	struct proc_dir_entry * proc_runway_root __read_mostly = NULL;
	59	struct proc_dir_entry * proc_gsc_root __read_mostly = NULL;
	60	struct proc_dir_entry * proc_mckinley_root __read_mostly = NULL;
1da177e4	61
1da177e4 LT	62	void __init setup_cmdline(char **cmdline_p)
	63	{
	64	extern unsigned int boot_args[];
	65
	66	/* Collect stuff passed in from the boot loader */
	67
	68	/* boot_args[0] is free-mem start, boot_args[1] is ptr to command line */
	69	if (boot_args[0] < 64) {
	70	/* called from hpux boot loader */
668f9931	71	boot_command_line[0] = '\0';
1da177e4	72	} else {
ea99b1ad CG	73	strlcpy(boot_command_line, (char *)__va(boot_args[1]),
ea99b1ad CG	74	COMMAND_LINE_SIZE);
1da177e4 LT	75
	76	#ifdef CONFIG_BLK_DEV_INITRD
	77	if (boot_args[2] != 0) /* did palo pass us a ramdisk? */
	78	{
	79	initrd_start = (unsigned long)__va(boot_args[2]);
	80	initrd_end = (unsigned long)__va(boot_args[3]);
	81	}
	82	#endif
	83	}
	84
668f9931	85	strcpy(command_line, boot_command_line);
1da177e4 LT	86	*cmdline_p = command_line;
	87	}
	88
	89	#ifdef CONFIG_PA11
	90	void __init dma_ops_init(void)
	91	{
	92	switch (boot_cpu_data.cpu_type) {
	93	case pcx:
	94	/*
	95	* We've got way too many dependencies on 1.1 semantics
	96	* to support 1.0 boxes at this point.
	97	*/
	98	panic( "PA-RISC Linux currently only supports machines that conform to\n"
	99	"the PA-RISC 1.1 or 2.0 architecture specification.\n");
	100
1da177e4 LT	101	case pcxl2:
1da177e4 LT	102	pa7300lc_init();
1da177e4 LT	103	break;
	104	default:
	105	break;
	106	}
	107	}
	108	#endif
	109
1da177e4 LT	110	extern void collect_boot_cpu_data(void);
	111
	112	void __init setup_arch(char **cmdline_p)
	113	{
a8f44e38	114	#ifdef CONFIG_64BIT
1da177e4 LT	115	extern int parisc_narrow_firmware;
1da177e4 LT	116	#endif
f0514ae3	117	unwind_init();
1da177e4 LT	118
	119	init_per_cpu(smp_processor_id()); /* Set Modes & Enable FP */
	120
a8f44e38	121	#ifdef CONFIG_64BIT
1da177e4 LT	122	printk(KERN_INFO "The 64-bit Kernel has started...\n");
	123	#else
	124	printk(KERN_INFO "The 32-bit Kernel has started...\n");
	125	#endif
	126
736d2169 HD	127	printk(KERN_INFO "Kernel default page size is %d KB. Huge pages ",
	128	(int)(PAGE_SIZE / 1024));
	129	#ifdef CONFIG_HUGETLB_PAGE
	130	printk(KERN_CONT "enabled with %d MB physical and %d MB virtual size",
	131	1 << (REAL_HPAGE_SHIFT - 20), 1 << (HPAGE_SHIFT - 20));
	132	#else
	133	printk(KERN_CONT "disabled");
	134	#endif
	135	printk(KERN_CONT ".\n");
	136
690d097c HD	137	/*
	138	* Check if initial kernel page mappings are sufficient.
	139	* panic early if not, else we may access kernel functions
	140	* and variables which can't be reached.
	141	*/
	142	if (__pa((unsigned long) &_end) >= KERNEL_INITIAL_SIZE)
	143	panic("KERNEL_INITIAL_ORDER too small!");
6a45716a	144
1da177e4 LT	145	pdc_console_init();
1da177e4 LT	146
a8f44e38	147	#ifdef CONFIG_64BIT
1da177e4 LT	148	if(parisc_narrow_firmware) {
	149	printk(KERN_INFO "Kernel is using PDC in 32-bit mode.\n");
	150	}
	151	#endif
	152	setup_pdc();
	153	setup_cmdline(cmdline_p);
	154	collect_boot_cpu_data();
	155	do_memory_inventory(); /* probe for physical memory */
	156	parisc_cache_init();
	157	paging_init();
	158
	159	#ifdef CONFIG_CHASSIS_LCD_LED
	160	/* initialize the LCD/LED after boot_cpu_data is available ! */
	161	led_init(); /* LCD/LED initialization */
	162	#endif
	163
	164	#ifdef CONFIG_PA11
	165	dma_ops_init();
	166	#endif
	167
	168	#if defined(CONFIG_VT) && defined(CONFIG_DUMMY_CONSOLE)
155957f5	169	conswitchp = &dummy_con; /* we use do_take_over_console() later ! */
1da177e4 LT	170	#endif
1da177e4 LT	171
acb04058	172	clear_sched_clock_stable();
1da177e4 LT	173	}
	174
	175	/*
7022672e	176	* Display CPU info for all CPUs.
1da177e4 LT	177	* for parisc this is in processor.c
	178	*/
	179	extern int show_cpuinfo (struct seq_file m, void v);
	180
	181	static void *
	182	c_start (struct seq_file m, loff_t pos)
	183	{
	184	/* Looks like the caller will call repeatedly until we return
	185	* 0, signaling EOF perhaps. This could be used to sequence
	186	* through CPUs for example. Since we print all cpu info in our
	187	* show_cpuinfo() disregarding 'pos' (which I assume is 'v' above)
	188	* we only allow for one "position". */
	189	return ((long)pos < 1) ? (void )1 : NULL;
	190	}
	191
	192	static void *
	193	c_next (struct seq_file m, void v, loff_t *pos)
	194	{
	195	++*pos;
	196	return c_start(m, pos);
	197	}
	198
	199	static void
	200	c_stop (struct seq_file m, void v)
	201	{
	202	}
	203
03a44825	204	const struct seq_operations cpuinfo_op = {
1da177e4 LT	205	.start = c_start,
	206	.next = c_next,
	207	.stop = c_stop,
	208	.show = show_cpuinfo
	209	};
	210
	211	static void __init parisc_proc_mkdir(void)
	212	{
	213	/*
	214	** Can't call proc_mkdir() until after proc_root_init() has been
	215	** called by start_kernel(). In other words, this code can't
	216	** live in arch/.../setup.c because start_parisc() calls
	217	** start_kernel().
	218	*/
	219	switch (boot_cpu_data.cpu_type) {
	220	case pcxl:
	221	case pcxl2:
	222	if (NULL == proc_gsc_root)
	223	{
	224	proc_gsc_root = proc_mkdir("bus/gsc", NULL);
	225	}
	226	break;
	227	case pcxt_:
	228	case pcxu:
	229	case pcxu_:
	230	case pcxw:
	231	case pcxw_:
	232	case pcxw2:
	233	if (NULL == proc_runway_root)
	234	{
	235	proc_runway_root = proc_mkdir("bus/runway", NULL);
	236	}
	237	break;
	238	case mako:
2cbd42db	239	case mako2:
1da177e4 LT	240	if (NULL == proc_mckinley_root)
	241	{
	242	proc_mckinley_root = proc_mkdir("bus/mckinley", NULL);
	243	}
	244	break;
	245	default:
	246	/* FIXME: this was added to prevent the compiler
	247	* complaining about missing pcx, pcxs and pcxt
	248	* I'm assuming they have neither gsc nor runway */
	249	break;
	250	}
	251	}
	252
	253	static struct resource central_bus = {
	254	.name = "Central Bus",
	255	.start = F_EXTEND(0xfff80000),
	256	.end = F_EXTEND(0xfffaffff),
	257	.flags = IORESOURCE_MEM,
	258	};
	259
	260	static struct resource local_broadcast = {
	261	.name = "Local Broadcast",
	262	.start = F_EXTEND(0xfffb0000),
	263	.end = F_EXTEND(0xfffdffff),
	264	.flags = IORESOURCE_MEM,
	265	};
	266
	267	static struct resource global_broadcast = {
	268	.name = "Global Broadcast",
	269	.start = F_EXTEND(0xfffe0000),
	270	.end = F_EXTEND(0xffffffff),
	271	.flags = IORESOURCE_MEM,
	272	};
	273
	274	static int __init parisc_init_resources(void)
	275	{
	276	int result;
	277
	278	result = request_resource(&iomem_resource, &central_bus);
	279	if (result < 0) {
	280	printk(KERN_ERR
	281	"%s: failed to claim %s address space!\n",
	282	__FILE__, central_bus.name);
	283	return result;
	284	}
	285
	286	result = request_resource(&iomem_resource, &local_broadcast);
	287	if (result < 0) {
	288	printk(KERN_ERR
	289	"%s: failed to claim %saddress space!\n",
	290	__FILE__, local_broadcast.name);
	291	return result;
	292	}
	293
	294	result = request_resource(&iomem_resource, &global_broadcast);
	295	if (result < 0) {
	296	printk(KERN_ERR
	297	"%s: failed to claim %s address space!\n",
	298	__FILE__, global_broadcast.name);
	299	return result;
	300	}
	301
	302	return 0;
	303	}
304
305	extern void gsc_init(void);
306	extern void processor_init(void);
307	extern void ccio_init(void);
308	extern void hppb_init(void);
309	extern void dino_init(void);
310	extern void iosapic_init(void);
311	extern void lba_init(void);
312	extern void sba_init(void);
313	extern void eisa_init(void);
314
315	static int __init parisc_init(void)
316	{
ec1fdc24	317	u32 osid = (OS_ID_LINUX << 16);
3f9edb53	318
1da177e4 LT	319	parisc_proc_mkdir();
	320	parisc_init_resources();
	321	do_device_inventory(); /* probe for hardware */
	322
	323	parisc_pdc_chassis_init();
	324
	325	/* set up a new led state on systems shipped LED State panel */
	326	pdc_chassis_send_status(PDC_CHASSIS_DIRECT_BSTART);
3f9edb53 TV	327
	328	/* tell PDC we're Linux. Nevermind failure. */
	329	pdc_stable_write(0x40, &osid, sizeof(osid));
1da177e4	330
741dc7bf JDA	331	/* start with known state */
	332	flush_cache_all_local();
	333	flush_tlb_all_local(NULL);
	334
1da177e4	335	processor_init();
3a7452b4 HD	336	#ifdef CONFIG_SMP
	337	pr_info("CPU(s): %d out of %d %s at %d.%06d MHz online\n",
	338	num_online_cpus(), num_present_cpus(),
	339	#else
	340	pr_info("CPU(s): 1 x %s at %d.%06d MHz\n",
	341	#endif
1da177e4 LT	342	boot_cpu_data.cpu_name,
	343	boot_cpu_data.cpu_hz / 1000000,
	344	boot_cpu_data.cpu_hz % 1000000 );
	345
b37d1c18 MP	346	#if defined(CONFIG_64BIT) && defined(CONFIG_SMP)
	347	/* Don't serialize TLB flushes if we run on one CPU only. */
	348	if (num_online_cpus() == 1)
	349	pa_serialize_tlb_flushes = 0;
	350	#endif
	351
3847dab7	352	apply_alternatives_all();
1da177e4 LT	353	parisc_setup_cache_timing();
	354
	355	/* These are in a non-obvious order, will fix when we have an iotree */
	356	#if defined(CONFIG_IOSAPIC)
	357	iosapic_init();
	358	#endif
	359	#if defined(CONFIG_IOMMU_SBA)
	360	sba_init();
	361	#endif
	362	#if defined(CONFIG_PCI_LBA)
	363	lba_init();
	364	#endif
	365
	366	/* CCIO before any potential subdevices */
	367	#if defined(CONFIG_IOMMU_CCIO)
	368	ccio_init();
	369	#endif
	370
	371	/*
	372	* Need to register Asp & Wax before the EISA adapters for the IRQ
	373	* regions. EISA must come before PCI to be sure it gets IRQ region
	374	* 0.
	375	*/
	376	#if defined(CONFIG_GSC_LASI) \|\| defined(CONFIG_GSC_WAX)
	377	gsc_init();
	378	#endif
	379	#ifdef CONFIG_EISA
	380	eisa_init();
	381	#endif
	382
	383	#if defined(CONFIG_HPPB)
	384	hppb_init();
	385	#endif
	386
	387	#if defined(CONFIG_GSC_DINO)
	388	dino_init();
	389	#endif
	390
	391	#ifdef CONFIG_CHASSIS_LCD_LED
	392	register_led_regions(); /* register LED port info in procfs */
	393	#endif
	394
	395	return 0;
	396	}
1da177e4 LT	397	arch_initcall(parisc_init);
1da177e4 LT	398
08b8a99b	399	void __init start_parisc(void)
089d5528	400	{
4182d0cd	401	extern void early_trap_init(void);
089d5528 KM	402
	403	int ret, cpunum;
	404	struct pdc_coproc_cfg coproc_cfg;
	405
d006e95b HD	406	/* check QEMU/SeaBIOS marker in PAGE0 */
	407	running_on_qemu = (memcmp(&PAGE0->pad0, "SeaBIOS", 8) == 0);
	408
089d5528 KM	409	cpunum = smp_processor_id();
089d5528 KM	410
bf7b4c1b HD	411	init_cpu_topology();
bf7b4c1b HD	412
089d5528 KM	413	set_firmware_width_unlocked();
	414
	415	ret = pdc_coproc_cfg_unlocked(&coproc_cfg);
	416	if (ret >= 0 && coproc_cfg.ccr_functional) {
	417	mtctl(coproc_cfg.ccr_functional, 10);
	418
ef017beb HD	419	per_cpu(cpu_data, cpunum).fp_rev = coproc_cfg.revision;
ef017beb HD	420	per_cpu(cpu_data, cpunum).fp_model = coproc_cfg.model;
089d5528 KM	421
	422	asm volatile ("fstd %fr0,8(%sp)");
	423	} else {
	424	panic("must have an fpu to boot linux");
	425	}
	426
4182d0cd HD	427	early_trap_init(); /* initialize checksum of fault_vector */
4182d0cd HD	428
089d5528 KM	429	start_kernel();
	430	// not reached
	431	}