[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 {
		strcpy(boot_command_line, (char *)__va(boot_args[1]));

#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

	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 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();
	printk(KERN_INFO "CPU(s): %d x %s at %d.%06d MHz\n",
			num_present_cpus(),
			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);

	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");
	}

	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 {
668f9931	72	strcpy(boot_command_line, (char *)__va(boot_args[1]));
1da177e4 LT	73
	74	#ifdef CONFIG_BLK_DEV_INITRD
	75	if (boot_args[2] != 0) /* did palo pass us a ramdisk? */
	76	{
	77	initrd_start = (unsigned long)__va(boot_args[2]);
	78	initrd_end = (unsigned long)__va(boot_args[3]);
	79	}
	80	#endif
	81	}
	82
668f9931	83	strcpy(command_line, boot_command_line);
1da177e4 LT	84	*cmdline_p = command_line;
	85	}
	86
	87	#ifdef CONFIG_PA11
	88	void __init dma_ops_init(void)
	89	{
	90	switch (boot_cpu_data.cpu_type) {
	91	case pcx:
	92	/*
	93	* We've got way too many dependencies on 1.1 semantics
	94	* to support 1.0 boxes at this point.
	95	*/
	96	panic( "PA-RISC Linux currently only supports machines that conform to\n"
	97	"the PA-RISC 1.1 or 2.0 architecture specification.\n");
	98
	99	case pcxs:
	100	case pcxt:
	101	hppa_dma_ops = &pcx_dma_ops;
	102	break;
	103	case pcxl2:
	104	pa7300lc_init();
	105	case pcxl: /* falls through */
	106	hppa_dma_ops = &pcxl_dma_ops;
	107	break;
	108	default:
	109	break;
	110	}
	111	}
	112	#endif
	113
	114	extern int init_per_cpu(int cpuid);
	115	extern void collect_boot_cpu_data(void);
	116
	117	void __init setup_arch(char **cmdline_p)
	118	{
a8f44e38	119	#ifdef CONFIG_64BIT
1da177e4 LT	120	extern int parisc_narrow_firmware;
1da177e4 LT	121	#endif
f0514ae3	122	unwind_init();
1da177e4 LT	123
	124	init_per_cpu(smp_processor_id()); /* Set Modes & Enable FP */
	125
a8f44e38	126	#ifdef CONFIG_64BIT
1da177e4 LT	127	printk(KERN_INFO "The 64-bit Kernel has started...\n");
	128	#else
	129	printk(KERN_INFO "The 32-bit Kernel has started...\n");
	130	#endif
	131
	132	pdc_console_init();
	133
a8f44e38	134	#ifdef CONFIG_64BIT
1da177e4 LT	135	if(parisc_narrow_firmware) {
	136	printk(KERN_INFO "Kernel is using PDC in 32-bit mode.\n");
	137	}
	138	#endif
	139	setup_pdc();
	140	setup_cmdline(cmdline_p);
	141	collect_boot_cpu_data();
	142	do_memory_inventory(); /* probe for physical memory */
	143	parisc_cache_init();
	144	paging_init();
	145
	146	#ifdef CONFIG_CHASSIS_LCD_LED
	147	/* initialize the LCD/LED after boot_cpu_data is available ! */
	148	led_init(); /* LCD/LED initialization */
	149	#endif
	150
	151	#ifdef CONFIG_PA11
	152	dma_ops_init();
	153	#endif
	154
	155	#if defined(CONFIG_VT) && defined(CONFIG_DUMMY_CONSOLE)
	156	conswitchp = &dummy_con; /* we use take_over_console() later ! */
	157	#endif
	158
	159	}
	160
	161	/*
7022672e	162	* Display CPU info for all CPUs.
1da177e4 LT	163	* for parisc this is in processor.c
	164	*/
	165	extern int show_cpuinfo (struct seq_file m, void v);
	166
	167	static void *
	168	c_start (struct seq_file m, loff_t pos)
	169	{
	170	/* Looks like the caller will call repeatedly until we return
	171	* 0, signaling EOF perhaps. This could be used to sequence
	172	* through CPUs for example. Since we print all cpu info in our
	173	* show_cpuinfo() disregarding 'pos' (which I assume is 'v' above)
	174	* we only allow for one "position". */
	175	return ((long)pos < 1) ? (void )1 : NULL;
	176	}
	177
	178	static void *
	179	c_next (struct seq_file m, void v, loff_t *pos)
	180	{
	181	++*pos;
	182	return c_start(m, pos);
	183	}
	184
	185	static void
	186	c_stop (struct seq_file m, void v)
	187	{
	188	}
	189
03a44825	190	const struct seq_operations cpuinfo_op = {
1da177e4 LT	191	.start = c_start,
	192	.next = c_next,
	193	.stop = c_stop,
	194	.show = show_cpuinfo
	195	};
	196
	197	static void __init parisc_proc_mkdir(void)
	198	{
	199	/*
	200	** Can't call proc_mkdir() until after proc_root_init() has been
	201	** called by start_kernel(). In other words, this code can't
	202	** live in arch/.../setup.c because start_parisc() calls
	203	** start_kernel().
	204	*/
	205	switch (boot_cpu_data.cpu_type) {
	206	case pcxl:
	207	case pcxl2:
	208	if (NULL == proc_gsc_root)
	209	{
	210	proc_gsc_root = proc_mkdir("bus/gsc", NULL);
	211	}
	212	break;
	213	case pcxt_:
	214	case pcxu:
	215	case pcxu_:
	216	case pcxw:
	217	case pcxw_:
	218	case pcxw2:
	219	if (NULL == proc_runway_root)
	220	{
	221	proc_runway_root = proc_mkdir("bus/runway", NULL);
	222	}
	223	break;
	224	case mako:
2cbd42db	225	case mako2:
1da177e4 LT	226	if (NULL == proc_mckinley_root)
	227	{
	228	proc_mckinley_root = proc_mkdir("bus/mckinley", NULL);
	229	}
	230	break;
	231	default:
	232	/* FIXME: this was added to prevent the compiler
	233	* complaining about missing pcx, pcxs and pcxt
	234	* I'm assuming they have neither gsc nor runway */
	235	break;
	236	}
	237	}
	238
	239	static struct resource central_bus = {
	240	.name = "Central Bus",
	241	.start = F_EXTEND(0xfff80000),
	242	.end = F_EXTEND(0xfffaffff),
	243	.flags = IORESOURCE_MEM,
	244	};
	245
	246	static struct resource local_broadcast = {
	247	.name = "Local Broadcast",
	248	.start = F_EXTEND(0xfffb0000),
	249	.end = F_EXTEND(0xfffdffff),
	250	.flags = IORESOURCE_MEM,
	251	};
	252
	253	static struct resource global_broadcast = {
	254	.name = "Global Broadcast",
	255	.start = F_EXTEND(0xfffe0000),
	256	.end = F_EXTEND(0xffffffff),
	257	.flags = IORESOURCE_MEM,
	258	};
	259
	260	static int __init parisc_init_resources(void)
	261	{
	262	int result;
	263
	264	result = request_resource(&iomem_resource, &central_bus);
	265	if (result < 0) {
	266	printk(KERN_ERR
	267	"%s: failed to claim %s address space!\n",
	268	__FILE__, central_bus.name);
	269	return result;
	270	}
	271
	272	result = request_resource(&iomem_resource, &local_broadcast);
	273	if (result < 0) {
	274	printk(KERN_ERR
	275	"%s: failed to claim %saddress space!\n",
	276	__FILE__, local_broadcast.name);
	277	return result;
	278	}
	279
	280	result = request_resource(&iomem_resource, &global_broadcast);
	281	if (result < 0) {
	282	printk(KERN_ERR
	283	"%s: failed to claim %s address space!\n",
	284	__FILE__, global_broadcast.name);
	285	return result;
	286	}
	287
	288	return 0;
	289	}
290
291	extern void gsc_init(void);
292	extern void processor_init(void);
293	extern void ccio_init(void);
294	extern void hppb_init(void);
295	extern void dino_init(void);
296	extern void iosapic_init(void);
297	extern void lba_init(void);
298	extern void sba_init(void);
299	extern void eisa_init(void);
300
301	static int __init parisc_init(void)
302	{
ec1fdc24	303	u32 osid = (OS_ID_LINUX << 16);
3f9edb53	304
1da177e4 LT	305	parisc_proc_mkdir();
	306	parisc_init_resources();
	307	do_device_inventory(); /* probe for hardware */
	308
	309	parisc_pdc_chassis_init();
	310
	311	/* set up a new led state on systems shipped LED State panel */
	312	pdc_chassis_send_status(PDC_CHASSIS_DIRECT_BSTART);
3f9edb53 TV	313
	314	/* tell PDC we're Linux. Nevermind failure. */
	315	pdc_stable_write(0x40, &osid, sizeof(osid));
1da177e4 LT	316
	317	processor_init();
	318	printk(KERN_INFO "CPU(s): %d x %s at %d.%06d MHz\n",
ef017beb	319	num_present_cpus(),
1da177e4 LT	320	boot_cpu_data.cpu_name,
	321	boot_cpu_data.cpu_hz / 1000000,
	322	boot_cpu_data.cpu_hz % 1000000 );
	323
	324	parisc_setup_cache_timing();
	325
	326	/* These are in a non-obvious order, will fix when we have an iotree */
	327	#if defined(CONFIG_IOSAPIC)
	328	iosapic_init();
	329	#endif
	330	#if defined(CONFIG_IOMMU_SBA)
	331	sba_init();
	332	#endif
	333	#if defined(CONFIG_PCI_LBA)
	334	lba_init();
	335	#endif
	336
	337	/* CCIO before any potential subdevices */
	338	#if defined(CONFIG_IOMMU_CCIO)
	339	ccio_init();
	340	#endif
	341
	342	/*
	343	* Need to register Asp & Wax before the EISA adapters for the IRQ
	344	* regions. EISA must come before PCI to be sure it gets IRQ region
	345	* 0.
	346	*/
	347	#if defined(CONFIG_GSC_LASI) \|\| defined(CONFIG_GSC_WAX)
	348	gsc_init();
	349	#endif
	350	#ifdef CONFIG_EISA
	351	eisa_init();
	352	#endif
	353
	354	#if defined(CONFIG_HPPB)
	355	hppb_init();
	356	#endif
	357
	358	#if defined(CONFIG_GSC_DINO)
	359	dino_init();
	360	#endif
	361
	362	#ifdef CONFIG_CHASSIS_LCD_LED
	363	register_led_regions(); /* register LED port info in procfs */
	364	#endif
	365
	366	return 0;
	367	}
1da177e4 LT	368	arch_initcall(parisc_init);
1da177e4 LT	369
089d5528 KM	370	void start_parisc(void)
	371	{
	372	extern void start_kernel(void);
	373
	374	int ret, cpunum;
	375	struct pdc_coproc_cfg coproc_cfg;
	376
	377	cpunum = smp_processor_id();
	378
	379	set_firmware_width_unlocked();
	380
	381	ret = pdc_coproc_cfg_unlocked(&coproc_cfg);
	382	if (ret >= 0 && coproc_cfg.ccr_functional) {
	383	mtctl(coproc_cfg.ccr_functional, 10);
	384
ef017beb HD	385	per_cpu(cpu_data, cpunum).fp_rev = coproc_cfg.revision;
ef017beb HD	386	per_cpu(cpu_data, cpunum).fp_model = coproc_cfg.model;
089d5528 KM	387
	388	asm volatile ("fstd %fr0,8(%sp)");
	389	} else {
	390	panic("must have an fpu to boot linux");
	391	}
	392
	393	start_kernel();
	394	// not reached
	395	}