path: root/arch/m68k/mac/config.c

/*
 *  linux/arch/m68k/mac/config.c
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file COPYING in the main directory of this archive
 * for more details.
 */

/*
 * Miscellaneous linux stuff
 */

#include <linux/module.h>
#include <linux/types.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/console.h>
#include <linux/interrupt.h>
/* keyb */
#include <linux/random.h>
#include <linux/delay.h>
/* keyb */
#include <linux/init.h>
#include <linux/vt_kern.h>
#include <linux/platform_device.h>
#include <linux/adb.h>
#include <linux/cuda.h>

#define BOOTINFO_COMPAT_1_0
#include <asm/setup.h>
#include <asm/bootinfo.h>

#include <asm/io.h>
#include <asm/irq.h>
#include <asm/pgtable.h>
#include <asm/rtc.h>
#include <asm/machdep.h>

#include <asm/macintosh.h>
#include <asm/macints.h>
#include <asm/machw.h>

#include <asm/mac_iop.h>
#include <asm/mac_via.h>
#include <asm/mac_oss.h>
#include <asm/mac_psc.h>

/* Mac bootinfo struct */
struct mac_booter_data mac_bi_data;

/* The phys. video addr. - might be bogus on some machines */
static unsigned long mac_orig_videoaddr;

/* Mac specific timer functions */
extern unsigned long mac_gettimeoffset(void);
extern int mac_hwclk(int, struct rtc_time *);
extern int mac_set_clock_mmss(unsigned long);
extern void iop_preinit(void);
extern void iop_init(void);
extern void via_init(void);
extern void via_init_clock(irq_handler_t func);
extern void via_flush_cache(void);
extern void oss_init(void);
extern void psc_init(void);
extern void baboon_init(void);

extern void mac_mksound(unsigned int, unsigned int);

static void mac_get_model(char *str);
static void mac_identify(void);
static void mac_report_hardware(void);

#ifdef CONFIG_EARLY_PRINTK
asmlinkage void __init mac_early_print(const char *s, unsigned n);

static void __init mac_early_cons_write(struct console *con,
                                 const char *s, unsigned n)
{
	mac_early_print(s, n);
}

static struct console __initdata mac_early_cons = {
	.name  = "early",
	.write = mac_early_cons_write,
	.flags = CON_PRINTBUFFER | CON_BOOT,
	.index = -1
};

int __init mac_unregister_early_cons(void)
{
	/* mac_early_print can't be used after init sections are discarded */
	return unregister_console(&mac_early_cons);
}

late_initcall(mac_unregister_early_cons);
#endif

static void __init mac_sched_init(irq_handler_t vector)
{
	via_init_clock(vector);
}

/*
 * Parse a Macintosh-specific record in the bootinfo
 */

int __init mac_parse_bootinfo(const struct bi_record *record)
{
	int unknown = 0;
	const u_long *data = record->data;

	switch (record->tag) {
	case BI_MAC_MODEL:
		mac_bi_data.id = *data;
		break;
	case BI_MAC_VADDR:
		mac_bi_data.videoaddr = *data;
		break;
	case BI_MAC_VDEPTH:
		mac_bi_data.videodepth = *data;
		break;
	case BI_MAC_VROW:
		mac_bi_data.videorow = *data;
		break;
	case BI_MAC_VDIM:
		mac_bi_data.dimensions = *data;
		break;
	case BI_MAC_VLOGICAL:
		mac_bi_data.videological = VIDEOMEMBASE + (*data & ~VIDEOMEMMASK);
		mac_orig_videoaddr = *data;
		break;
	case BI_MAC_SCCBASE:
		mac_bi_data.sccbase = *data;
		break;
	case BI_MAC_BTIME:
		mac_bi_data.boottime = *data;
		break;
	case BI_MAC_GMTBIAS:
		mac_bi_data.gmtbias = *data;
		break;
	case BI_MAC_MEMSIZE:
		mac_bi_data.memsize = *data;
		break;
	case BI_MAC_CPUID:
		mac_bi_data.cpuid = *data;
		break;
	case BI_MAC_ROMBASE:
		mac_bi_data.rombase = *data;
		break;
	default:
		unknown = 1;
		break;
	}
	return unknown;
}

/*
 * Flip into 24bit mode for an instant - flushes the L2 cache card. We
 * have to disable interrupts for this. Our IRQ handlers will crap
 * themselves if they take an IRQ in 24bit mode!
 */

static void mac_cache_card_flush(int writeback)
{
	unsigned long flags;

	local_irq_save(flags);
	via_flush_cache();
	local_irq_restore(flags);
}

void __init config_mac(void)
{
	if (!MACH_IS_MAC)
		printk(KERN_ERR "ERROR: no Mac, but