setup.c

/*
 * arch/sh/boards/landisk/setup.c
 *
 * Copyright (C) 2002 Paul Mundt
 *
 * May be copied or modified under the terms of the GNU General Public
 * License.  See linux/COPYING for more information.
 *
 * Setup code for an unknown machine (internal peripherials only)
 */
/*
 * linux/arch/sh/kernel/setup_landisk.c
 *
 * Copyright (C) 2000  Kazumoto Kojima
 *
 * I-O DATA Device, Inc. LANDISK Support.
 *
 * Modified for LANDISK by
 * Atom Create Engineering Co., Ltd. 2002.
 */
/*
 * modifed by kogiidena
 * 2005.09.16
 */

#include <linux/config.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/pm.h>

#include <linux/hdreg.h>
#include <linux/ide.h>
#include <linux/pci.h>

#include <asm/machvec.h>
#include <asm/rtc.h>
#include <asm/machvec_init.h>
#include <asm/io.h>
#include <asm/landisk/iodata_landisk.h>
#include <asm/landisk/io.h>

#include <linux/mm.h>
#include <linux/vmalloc.h>

extern void (*board_time_init) (void);
void landisk_time_init(void);
extern void init_landisk_IRQ(void);

int landisk_ledparam;
int landisk_buzzerparam;
int landisk_arch;

/* defined in mm/ioremap.c */
extern void *p3_ioremap(unsigned long phys_addr, unsigned long size,
			unsigned long flags);

/*
 * Initialize the board
 */

const char *get_system_type(void)
{
	return "LANDISK";
}

static void landisk_power_off(void)
{
	ctrl_outb(0x01, PA_SHUTDOWN);
}

void check_usl5p(void)
{
	volatile unsigned char *p = (volatile unsigned char *)PA_LED;
	unsigned char tmp1, tmp2;
	tmp1 = *p;
	*p = 0x40;
	tmp2 = *p;
	*p = tmp1;
	landisk_arch = (tmp2 == 0x40) ? 1 : 0;
	if (landisk_arch == 1) {	/* arch == usl-5p */
		landisk_ledparam = 0x00000380;
		landisk_ledparam |= (tmp1 & 0x07c);
	} else {                        /* arch == landisk */
		landisk_ledparam = 0x02000180;
		landisk_ledparam |= 0x04;
	}
	return;
}

void __init platform_setup(void)
{

	landisk_buzzerparam = 0;
	check_usl5p();

	printk(KERN_INFO "I-O DATA DEVICE, INC. \"LANDISK Series\" support.\n");
	board_time_init = landisk_time_init;
	pm_power_off = landisk_power_off;

}

void *area5_io_base;
void *area6_io_base;

int __init cf_init(void)
{
	pgprot_t prot;
	unsigned long paddrbase, psize;

	/* open I/O area window */
	paddrbase = virt_to_phys((void *)PA_AREA5_IO);
	psize = PAGE_SIZE;
	prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_IO16);
	area5_io_base = p3_ioremap(paddrbase, psize, prot.pgprot);
	if (!area5_io_base) {
		printk("allocate_cf_area : can't open CF I/O window!\n");
		return -ENOMEM;
	}

	paddrbase = virt_to_phys((void *)PA_AREA6_IO);
	psize = PAGE_SIZE;
	prot = PAGE_KERNEL_PCC(0, _PAGE_PCC_IO16);
	area6_io_base = p3_ioremap(paddrbase, psize, prot.pgprot);
	if (!area6_io_base) {
		printk("allocate_cf_area : can't open HDD I/O window!\n");
		return -ENOMEM;
	}

	printk(KERN_INFO "Allocate Area5/6 success.\n");

	/* XXX : do we need attribute and common-memory area also? */

	return 0;
}

__initcall(cf_init);

#include <linux/sched.h>

/* Cycle the LED's in the clasic knightrider/Sun pattern */

void heartbeat_landisk(void)
{
	static unsigned int cnt = 0, blink = 0x00, period = 25;
	volatile unsigned char *p = (volatile unsigned char *)PA_LED;
	char data;

	if ((landisk_ledparam & 0x080) == 0) {
		return;
	}
	cnt += 1;
	if (cnt < period) {
		return;
	}
	cnt = 0;
	blink++;

	data = (blink & 0x01) ? (landisk_ledparam >> 16) : 0;
	data |= (blink & 0x02) ? (landisk_ledparam >> 8) : 0;
	data |= landisk_ledparam;

	/* buzzer */
	if (landisk_buzzerparam & 0x1) {
		data |= 0x80;
	} else {
		data &= 0x7f;
	}
	*p = data;

	if (((landisk_ledparam & 0x007f7f00) == 0)
	    && (landisk_buzzerparam == 0)) {
		landisk_ledparam &= (~0x0080);
	}
	landisk_buzzerparam >>= 1;
}

/*
 * The Machine Vector
 */

struct sh_machine_vector mv_landisk __initmv = {
	.mv_nr_irqs = 72,
	.mv_inb = landisk_inb,
	.mv_inw = landisk_inw,
	.mv_inl = landisk_inl,
	.mv_outb = landisk_outb,
	.mv_outw = landisk_outw,
	.mv_outl = landisk_outl,
	.mv_inb_p = landisk_inb_p,
	.mv_inw_p = landisk_inw,
	.mv_inl_p = landisk_inl,
	.mv_outb_p = landisk_outb_p,
	.mv_outw_p = landisk_outw,
	.mv_outl_p = landisk_outl,
	.mv_insb = landisk_insb,
	.mv_insw = landisk_insw,
	.mv_insl = landisk_insl,
	.mv_outsb = landisk_outsb,
	.mv_outsw = landisk_outsw,
	.mv_outsl = landisk_outsl,
	.mv_readb = landisk_readb,
	.mv_readw = landisk_readw,
	.mv_readl = landisk_readl,
	.mv_writeb = landisk_writeb,
	.mv_writew = landisk_writew,
	.mv_writel = landisk_writel,
	.mv_ioremap = landisk_ioremap,
	.mv_iounmap = landisk_iounmap,
	.mv_isa_port2addr = landisk_isa_port2addr,
	.mv_init_irq = init_landisk_IRQ,

#ifdef CONFIG_HEARTBEAT
	.mv_heartbeat = heartbeat_landisk,
#endif

};

ALIAS_MV(landisk)