177 lines
3.9 KiB
C
177 lines
3.9 KiB
C
/*
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* arch/sh/boards/landisk/setup.c
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*
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* Copyright (C) 2000 Kazumoto Kojima
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* Copyright (C) 2002 Paul Mundt
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*
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* I-O DATA Device, Inc. LANDISK Support.
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*
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* Modified for LANDISK by
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* Atom Create Engineering Co., Ltd. 2002.
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*
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* modifed by kogiidena
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* 2005.09.16
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/init.h>
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#include <linux/pm.h>
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#include <linux/mm.h>
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#include <asm/machvec.h>
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#include <asm/rtc.h>
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#include <asm/landisk/iodata_landisk.h>
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#include <asm/io.h>
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void landisk_time_init(void);
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void init_landisk_IRQ(void);
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int landisk_ledparam;
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int landisk_buzzerparam;
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int landisk_arch;
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/* cycle the led's in the clasic knightrider/sun pattern */
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static void heartbeat_landisk(void)
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{
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static unsigned int cnt = 0, blink = 0x00, period = 25;
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volatile u8 *p = (volatile u8 *)PA_LED;
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char data;
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if ((landisk_ledparam & 0x080) == 0)
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return;
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cnt += 1;
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if (cnt < period)
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return;
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cnt = 0;
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blink++;
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data = (blink & 0x01) ? (landisk_ledparam >> 16) : 0;
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data |= (blink & 0x02) ? (landisk_ledparam >> 8) : 0;
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data |= landisk_ledparam;
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/* buzzer */
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if (landisk_buzzerparam & 0x1) {
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data |= 0x80;
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} else {
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data &= 0x7f;
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}
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*p = data;
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if (((landisk_ledparam & 0x007f7f00) == 0) &&
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(landisk_buzzerparam == 0))
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landisk_ledparam &= (~0x0080);
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landisk_buzzerparam >>= 1;
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}
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static void landisk_power_off(void)
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{
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ctrl_outb(0x01, PA_SHUTDOWN);
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}
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static void check_usl5p(void)
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{
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volatile u8 *p = (volatile u8 *)PA_LED;
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u8 tmp1, tmp2;
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tmp1 = *p;
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*p = 0x40;
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tmp2 = *p;
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*p = tmp1;
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landisk_arch = (tmp2 == 0x40);
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if (landisk_arch == 1) {
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/* arch == usl-5p */
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landisk_ledparam = 0x00000380;
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landisk_ledparam |= (tmp1 & 0x07c);
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} else {
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/* arch == landisk */
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landisk_ledparam = 0x02000180;
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landisk_ledparam |= 0x04;
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}
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}
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void *area5_io_base;
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void *area6_io_base;
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static int __init landisk_cf_init(void)
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{
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pgprot_t prot;
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unsigned long paddrbase, psize;
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/* open I/O area window */
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paddrbase = virt_to_phys((void *)PA_AREA5_IO);
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psize = PAGE_SIZE;
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prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_IO16);
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area5_io_base = p3_ioremap(paddrbase, psize, prot.pgprot);
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if (!area5_io_base) {
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printk("allocate_cf_area : can't open CF I/O window!\n");
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return -ENOMEM;
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}
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paddrbase = virt_to_phys((void *)PA_AREA6_IO);
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psize = PAGE_SIZE;
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prot = PAGE_KERNEL_PCC(0, _PAGE_PCC_IO16);
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area6_io_base = p3_ioremap(paddrbase, psize, prot.pgprot);
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if (!area6_io_base) {
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printk("allocate_cf_area : can't open HDD I/O window!\n");
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return -ENOMEM;
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}
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printk(KERN_INFO "Allocate Area5/6 success.\n");
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/* XXX : do we need attribute and common-memory area also? */
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return 0;
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}
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static void __init landisk_setup(char **cmdline_p)
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{
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device_initcall(landisk_cf_init);
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landisk_buzzerparam = 0;
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check_usl5p();
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printk(KERN_INFO "I-O DATA DEVICE, INC. \"LANDISK Series\" support.\n");
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board_time_init = landisk_time_init;
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pm_power_off = landisk_power_off;
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}
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/*
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* The Machine Vector
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*/
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struct sh_machine_vector mv_landisk __initmv = {
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.mv_name = "LANDISK",
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.mv_setup = landisk_setup,
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.mv_nr_irqs = 72,
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.mv_inb = landisk_inb,
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.mv_inw = landisk_inw,
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.mv_inl = landisk_inl,
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.mv_outb = landisk_outb,
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.mv_outw = landisk_outw,
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.mv_outl = landisk_outl,
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.mv_inb_p = landisk_inb_p,
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.mv_inw_p = landisk_inw,
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.mv_inl_p = landisk_inl,
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.mv_outb_p = landisk_outb_p,
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.mv_outw_p = landisk_outw,
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.mv_outl_p = landisk_outl,
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.mv_insb = landisk_insb,
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.mv_insw = landisk_insw,
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.mv_insl = landisk_insl,
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.mv_outsb = landisk_outsb,
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.mv_outsw = landisk_outsw,
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.mv_outsl = landisk_outsl,
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.mv_ioport_map = landisk_ioport_map,
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.mv_init_irq = init_landisk_IRQ,
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#ifdef CONFIG_HEARTBEAT
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.mv_heartbeat = heartbeat_landisk,
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#endif
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};
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ALIAS_MV(landisk)
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