[deliverable/linux.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 <asm/processor.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>

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;

#if !defined(CONFIG_PA20) && (defined(CONFIG_IOMMU_CCIO) || defined(CONFIG_IOMMU_SBA))
int parisc_bus_is_phys __read_mostly = 1;	/* Assume no IOMMU is present */
EXPORT_SYMBOL(parisc_bus_is_phys);
#endif

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 pcxs:
	case pcxt:
		hppa_dma_ops = &pcx_dma_ops;
		break;
	case pcxl2:
		pa7300lc_init();
	case pcxl: /* falls through */
		hppa_dma_ops = &pcxl_dma_ops;
		break;
	default:
		break;
	}
}
#endif

extern int init_per_cpu(int cpuid);
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");


	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

}

/*
 * 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));
	
	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	);

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

	int ret, cpunum;
	struct pdc_coproc_cfg coproc_cfg;

	cpunum = smp_processor_id();

	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>
1da177e4 LT	39
	40	#include <asm/processor.h>
	41	#include <asm/pdc.h>
	42	#include <asm/led.h>
	43	#include <asm/machdep.h> /* for pa7300lc_init() proto */
	44	#include <asm/pdc_chassis.h>
	45	#include <asm/io.h>
	46	#include <asm/setup.h>
f0514ae3	47	#include <asm/unwind.h>
1da177e4	48
01da41b8	49	static char __initdata command_line[COMMAND_LINE_SIZE];
1da177e4 LT	50
1da177e4 LT	51	/* Intended for ccio/sba/cpu statistics under /proc/bus/{runway\|gsc} */
8039de10 HD	52	struct proc_dir_entry * proc_runway_root __read_mostly = NULL;
	53	struct proc_dir_entry * proc_gsc_root __read_mostly = NULL;
	54	struct proc_dir_entry * proc_mckinley_root __read_mostly = NULL;
1da177e4 LT	55
1da177e4 LT	56	#if !defined(CONFIG_PA20) && (defined(CONFIG_IOMMU_CCIO) \|\| defined(CONFIG_IOMMU_SBA))
8039de10	57	int parisc_bus_is_phys __read_mostly = 1; /* Assume no IOMMU is present */
1da177e4 LT	58	EXPORT_SYMBOL(parisc_bus_is_phys);
	59	#endif
	60
1da177e4 LT	61	void __init setup_cmdline(char **cmdline_p)
	62	{
	63	extern unsigned int boot_args[];
	64
	65	/* Collect stuff passed in from the boot loader */
	66
	67	/* boot_args[0] is free-mem start, boot_args[1] is ptr to command line */
	68	if (boot_args[0] < 64) {
	69	/* called from hpux boot loader */
668f9931	70	boot_command_line[0] = '\0';
1da177e4	71	} else {
ea99b1ad CG	72	strlcpy(boot_command_line, (char *)__va(boot_args[1]),
ea99b1ad CG	73	COMMAND_LINE_SIZE);
1da177e4 LT	74
	75	#ifdef CONFIG_BLK_DEV_INITRD
	76	if (boot_args[2] != 0) /* did palo pass us a ramdisk? */
	77	{
	78	initrd_start = (unsigned long)__va(boot_args[2]);
	79	initrd_end = (unsigned long)__va(boot_args[3]);
	80	}
	81	#endif
	82	}
	83
668f9931	84	strcpy(command_line, boot_command_line);
1da177e4 LT	85	*cmdline_p = command_line;
	86	}
	87
	88	#ifdef CONFIG_PA11
	89	void __init dma_ops_init(void)
	90	{
	91	switch (boot_cpu_data.cpu_type) {
	92	case pcx:
	93	/*
	94	* We've got way too many dependencies on 1.1 semantics
	95	* to support 1.0 boxes at this point.
	96	*/
	97	panic( "PA-RISC Linux currently only supports machines that conform to\n"
	98	"the PA-RISC 1.1 or 2.0 architecture specification.\n");
	99
	100	case pcxs:
	101	case pcxt:
	102	hppa_dma_ops = &pcx_dma_ops;
	103	break;
	104	case pcxl2:
	105	pa7300lc_init();
	106	case pcxl: /* falls through */
	107	hppa_dma_ops = &pcxl_dma_ops;
	108	break;
	109	default:
	110	break;
	111	}
	112	}
	113	#endif
	114
	115	extern int init_per_cpu(int cpuid);
	116	extern void collect_boot_cpu_data(void);
	117
	118	void __init setup_arch(char **cmdline_p)
	119	{
a8f44e38	120	#ifdef CONFIG_64BIT
1da177e4 LT	121	extern int parisc_narrow_firmware;
1da177e4 LT	122	#endif
f0514ae3	123	unwind_init();
1da177e4 LT	124
	125	init_per_cpu(smp_processor_id()); /* Set Modes & Enable FP */
	126
a8f44e38	127	#ifdef CONFIG_64BIT
1da177e4 LT	128	printk(KERN_INFO "The 64-bit Kernel has started...\n");
	129	#else
	130	printk(KERN_INFO "The 32-bit Kernel has started...\n");
	131	#endif
	132
736d2169 HD	133	printk(KERN_INFO "Kernel default page size is %d KB. Huge pages ",
	134	(int)(PAGE_SIZE / 1024));
	135	#ifdef CONFIG_HUGETLB_PAGE
	136	printk(KERN_CONT "enabled with %d MB physical and %d MB virtual size",
	137	1 << (REAL_HPAGE_SHIFT - 20), 1 << (HPAGE_SHIFT - 20));
	138	#else
	139	printk(KERN_CONT "disabled");
	140	#endif
	141	printk(KERN_CONT ".\n");
	142
6a45716a	143
1da177e4 LT	144	pdc_console_init();
1da177e4 LT	145
a8f44e38	146	#ifdef CONFIG_64BIT
1da177e4 LT	147	if(parisc_narrow_firmware) {
	148	printk(KERN_INFO "Kernel is using PDC in 32-bit mode.\n");
	149	}
	150	#endif
	151	setup_pdc();
	152	setup_cmdline(cmdline_p);
	153	collect_boot_cpu_data();
	154	do_memory_inventory(); /* probe for physical memory */
	155	parisc_cache_init();
	156	paging_init();
	157
	158	#ifdef CONFIG_CHASSIS_LCD_LED
	159	/* initialize the LCD/LED after boot_cpu_data is available ! */
	160	led_init(); /* LCD/LED initialization */
	161	#endif
	162
	163	#ifdef CONFIG_PA11
	164	dma_ops_init();
	165	#endif
	166
	167	#if defined(CONFIG_VT) && defined(CONFIG_DUMMY_CONSOLE)
155957f5	168	conswitchp = &dummy_con; /* we use do_take_over_console() later ! */
1da177e4 LT	169	#endif
	170
	171	}
	172
	173	/*
7022672e	174	* Display CPU info for all CPUs.
1da177e4 LT	175	* for parisc this is in processor.c
	176	*/
	177	extern int show_cpuinfo (struct seq_file m, void v);
	178
	179	static void *
	180	c_start (struct seq_file m, loff_t pos)
	181	{
	182	/* Looks like the caller will call repeatedly until we return
	183	* 0, signaling EOF perhaps. This could be used to sequence
	184	* through CPUs for example. Since we print all cpu info in our
	185	* show_cpuinfo() disregarding 'pos' (which I assume is 'v' above)
	186	* we only allow for one "position". */
	187	return ((long)pos < 1) ? (void )1 : NULL;
	188	}
	189
	190	static void *
	191	c_next (struct seq_file m, void v, loff_t *pos)
	192	{
	193	++*pos;
	194	return c_start(m, pos);
	195	}
	196
	197	static void
	198	c_stop (struct seq_file m, void v)
	199	{
	200	}
	201
03a44825	202	const struct seq_operations cpuinfo_op = {
1da177e4 LT	203	.start = c_start,
	204	.next = c_next,
	205	.stop = c_stop,
	206	.show = show_cpuinfo
	207	};
	208
	209	static void __init parisc_proc_mkdir(void)
	210	{
	211	/*
	212	** Can't call proc_mkdir() until after proc_root_init() has been
	213	** called by start_kernel(). In other words, this code can't
	214	** live in arch/.../setup.c because start_parisc() calls
	215	** start_kernel().
	216	*/
	217	switch (boot_cpu_data.cpu_type) {
	218	case pcxl:
	219	case pcxl2:
	220	if (NULL == proc_gsc_root)
	221	{
	222	proc_gsc_root = proc_mkdir("bus/gsc", NULL);
	223	}
	224	break;
	225	case pcxt_:
	226	case pcxu:
	227	case pcxu_:
	228	case pcxw:
	229	case pcxw_:
	230	case pcxw2:
	231	if (NULL == proc_runway_root)
	232	{
	233	proc_runway_root = proc_mkdir("bus/runway", NULL);
	234	}
	235	break;
	236	case mako:
2cbd42db	237	case mako2:
1da177e4 LT	238	if (NULL == proc_mckinley_root)
	239	{
	240	proc_mckinley_root = proc_mkdir("bus/mckinley", NULL);
	241	}
	242	break;
	243	default:
	244	/* FIXME: this was added to prevent the compiler
	245	* complaining about missing pcx, pcxs and pcxt
	246	* I'm assuming they have neither gsc nor runway */
	247	break;
	248	}
	249	}
	250
	251	static struct resource central_bus = {
	252	.name = "Central Bus",
	253	.start = F_EXTEND(0xfff80000),
	254	.end = F_EXTEND(0xfffaffff),
	255	.flags = IORESOURCE_MEM,
	256	};
	257
	258	static struct resource local_broadcast = {
	259	.name = "Local Broadcast",
	260	.start = F_EXTEND(0xfffb0000),
	261	.end = F_EXTEND(0xfffdffff),
	262	.flags = IORESOURCE_MEM,
	263	};
	264
	265	static struct resource global_broadcast = {
	266	.name = "Global Broadcast",
	267	.start = F_EXTEND(0xfffe0000),
	268	.end = F_EXTEND(0xffffffff),
	269	.flags = IORESOURCE_MEM,
	270	};
	271
	272	static int __init parisc_init_resources(void)
	273	{
	274	int result;
	275
	276	result = request_resource(&iomem_resource, &central_bus);
	277	if (result < 0) {
	278	printk(KERN_ERR
	279	"%s: failed to claim %s address space!\n",
	280	__FILE__, central_bus.name);
	281	return result;
	282	}
	283
	284	result = request_resource(&iomem_resource, &local_broadcast);
	285	if (result < 0) {
	286	printk(KERN_ERR
	287	"%s: failed to claim %saddress space!\n",
	288	__FILE__, local_broadcast.name);
	289	return result;
	290	}
	291
	292	result = request_resource(&iomem_resource, &global_broadcast);
	293	if (result < 0) {
	294	printk(KERN_ERR
	295	"%s: failed to claim %s address space!\n",
	296	__FILE__, global_broadcast.name);
	297	return result;
	298	}
	299
	300	return 0;
	301	}
302
303	extern void gsc_init(void);
304	extern void processor_init(void);
305	extern void ccio_init(void);
306	extern void hppb_init(void);
307	extern void dino_init(void);
308	extern void iosapic_init(void);
309	extern void lba_init(void);
310	extern void sba_init(void);
311	extern void eisa_init(void);
312
313	static int __init parisc_init(void)
314	{
ec1fdc24	315	u32 osid = (OS_ID_LINUX << 16);
3f9edb53	316
1da177e4 LT	317	parisc_proc_mkdir();
	318	parisc_init_resources();
	319	do_device_inventory(); /* probe for hardware */
	320
	321	parisc_pdc_chassis_init();
	322
	323	/* set up a new led state on systems shipped LED State panel */
	324	pdc_chassis_send_status(PDC_CHASSIS_DIRECT_BSTART);
3f9edb53 TV	325
	326	/* tell PDC we're Linux. Nevermind failure. */
	327	pdc_stable_write(0x40, &osid, sizeof(osid));
1da177e4 LT	328
1da177e4 LT	329	processor_init();
3a7452b4 HD	330	#ifdef CONFIG_SMP
	331	pr_info("CPU(s): %d out of %d %s at %d.%06d MHz online\n",
	332	num_online_cpus(), num_present_cpus(),
	333	#else
	334	pr_info("CPU(s): 1 x %s at %d.%06d MHz\n",
	335	#endif
1da177e4 LT	336	boot_cpu_data.cpu_name,
	337	boot_cpu_data.cpu_hz / 1000000,
	338	boot_cpu_data.cpu_hz % 1000000 );
	339
	340	parisc_setup_cache_timing();
	341
	342	/* These are in a non-obvious order, will fix when we have an iotree */
	343	#if defined(CONFIG_IOSAPIC)
	344	iosapic_init();
	345	#endif
	346	#if defined(CONFIG_IOMMU_SBA)
	347	sba_init();
	348	#endif
	349	#if defined(CONFIG_PCI_LBA)
	350	lba_init();
	351	#endif
	352
	353	/* CCIO before any potential subdevices */
	354	#if defined(CONFIG_IOMMU_CCIO)
	355	ccio_init();
	356	#endif
	357
	358	/*
	359	* Need to register Asp & Wax before the EISA adapters for the IRQ
	360	* regions. EISA must come before PCI to be sure it gets IRQ region
	361	* 0.
	362	*/
	363	#if defined(CONFIG_GSC_LASI) \|\| defined(CONFIG_GSC_WAX)
	364	gsc_init();
	365	#endif
	366	#ifdef CONFIG_EISA
	367	eisa_init();
	368	#endif
	369
	370	#if defined(CONFIG_HPPB)
	371	hppb_init();
	372	#endif
	373
	374	#if defined(CONFIG_GSC_DINO)
	375	dino_init();
	376	#endif
	377
	378	#ifdef CONFIG_CHASSIS_LCD_LED
	379	register_led_regions(); /* register LED port info in procfs */
	380	#endif
	381
	382	return 0;
	383	}
1da177e4 LT	384	arch_initcall(parisc_init);
1da177e4 LT	385
089d5528 KM	386	void start_parisc(void)
	387	{
	388	extern void start_kernel(void);
4182d0cd	389	extern void early_trap_init(void);
089d5528 KM	390
	391	int ret, cpunum;
	392	struct pdc_coproc_cfg coproc_cfg;
	393
	394	cpunum = smp_processor_id();
	395
	396	set_firmware_width_unlocked();
	397
	398	ret = pdc_coproc_cfg_unlocked(&coproc_cfg);
	399	if (ret >= 0 && coproc_cfg.ccr_functional) {
	400	mtctl(coproc_cfg.ccr_functional, 10);
	401
ef017beb HD	402	per_cpu(cpu_data, cpunum).fp_rev = coproc_cfg.revision;
ef017beb HD	403	per_cpu(cpu_data, cpunum).fp_model = coproc_cfg.model;
089d5528 KM	404
	405	asm volatile ("fstd %fr0,8(%sp)");
	406	} else {
	407	panic("must have an fpu to boot linux");
	408	}
	409
4182d0cd HD	410	early_trap_init(); /* initialize checksum of fault_vector */
4182d0cd HD	411
089d5528 KM	412	start_kernel();
	413	// not reached
	414	}