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/errno.h>
#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>
#include <linux/pmu.h>
#include <linux/rtc.h>

#include <asm/setup.h>
#include <asm/bootinfo.h>
#include <asm/bootinfo-mac.h>
#include <asm/byteorder.h>

#include <asm/io.h>
#include <asm/irq.h>
#include <asm/pgtable.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;

extern int mac_hwclk(int, struct rtc_time *);
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 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);

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 void *data = record->data;

	switch (be16_to_cpu(record->tag)) {
	case BI_MAC_MODEL:
		mac_bi_data.id = be32_to_cpup(data);
		break;
	case BI_MAC_VADDR:
		mac_bi_data.videoaddr = be32_to_cpup(data);
		break;
	case BI_MAC_VDEPTH:
		mac_bi_data.videodepth = be32_to_cpup(data);
		break;
	case BI_MAC_VROW:
		mac_bi_data.videorow = be32_to_cpup(data);
		break;
	case BI_MAC_VDIM:
		mac_bi_data.dimensions = be32_to_cpup(data);
		break;
	case BI_MAC_VLOGICAL:
		mac_orig_videoaddr = be32_to_cpup(data);
		mac_bi_data.videological =
			VIDEOMEMBASE + (mac_orig_videoaddr & ~VIDEOMEMMASK);
		break;
	case BI_MAC_SCCBASE:
		mac_bi_data.sccbase = be32_to_cpup(data);
		break;
	case BI_MAC_BTIME:
		mac_bi_data.boottime = be32_to_cpup(data);
		break;
	case BI_MAC_GMTBIAS:
		mac_bi_data.gmtbias = be32_to_cpup(data);
		break;
	case BI_MAC_MEMSIZE:
		mac_bi_data.memsize = be32_to_cpup(data);
		break;
	case BI_MAC_CPUID:
		mac_bi_data.cpuid = be32_to_cpup(data);
		break;
	case BI_MAC_ROMBASE:
		mac_bi_data.rombase = be32_to_cpup(data);
		break;
	default:
		unknown = 1;
		break;
	}
	return unknown;
}

void __init config_mac(void)
{
	if (!MACH_IS_MAC)
		pr_err("ERROR: no Mac, but config_mac() called!!\n");

	mach_sched_init = mac_sched_init;
	mach_init_IRQ = mac_init_IRQ;
	mach_get_model = mac_get_model;
	mach_hwclk = mac_hwclk;
	mach_reset = mac_reset;
	mach_halt = mac_poweroff;
	mach_power_off = mac_poweroff;
	mach_max_dma_address = 0xffffffff;
#if IS_ENABLED(CONFIG_INPUT_M68K_BEEP)
	mach_beep = mac_mksound;
#endif

	/*
	 * Determine hardware present
	 */

	mac_identify();
	mac_report_hardware();

	/*
	 * AFAIK only the IIci takes a cache card.  The IIfx has onboard
	 * cache ... someone needs to figure out how to tell if it's on or
	 * not.
	 */

	if (macintosh_config->ident == MAC_MODEL_IICI)
		mach_l2_flush = via_l2_flush;
}


/*
 * Macintosh Table: hardcoded model configuration data.
 *
 * Much of this was defined by Alan, based on who knows what docs.
 * I've added a lot more, and some of that was pure guesswork based
 * on hardware pages present on the Mac web site. Possibly wildly
 * inaccurate, so look here if a new Mac model won't run. Example: if
 * a Mac crashes immediately after the VIA1 registers have been dumped
 * to the screen, it probably died attempting to read DirB on a RBV.
 * Meaning it should have MAC_VIA_IICI here :-)
 */

struct mac_model *macintosh_config;
EXPORT_SYMBOL(macintosh_config);

static struct mac_model mac_data_table[] = {
	/*
	 * We'll pretend to be a Macintosh II, that's pretty safe.
	 */

	{
		.ident		= MAC_MODEL_II,
		.name		= "Unknown",
		.adb_type	= MAC_ADB_II,
		.via_type	= MAC_VIA_II,
		.scsi_type	= MAC_SCSI_OLD,
		.scc_type	= MAC_SCC_II,
		.expansion_type	= MAC_EXP_NUBUS,
		.floppy_type	= MAC_FLOPPY_UNSUPPORTED, /* IWM */
	},

	/*
	 * Original Mac II hardware
	 */

	{
		.ident		= MAC_MODEL_II,
		.name		= "II",
		.adb_type	= MAC_ADB_II,
		.via_type	= MAC_VIA_II,
		.scsi_type	= MAC_SCSI_OLD,
		.scc_type	= MAC_SCC_II,
		.expansion_type	= MAC_EXP_NUBUS,
		.floppy_type	= MAC_FLOPPY_UNSUPPORTED, /* IWM */
	}, {