linux/arch/mips/lasat/setup.c

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/*
* Carsten Langgaard, carstenl@mips.com
* Copyright (C) 1999 MIPS Technologies, Inc. All rights reserved.
*
* Thomas Horsten <thh@lasat.com>
* Copyright (C) 2000 LASAT Networks A/S.
*
* Brian Murphy <brian@murphy.dk>
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope 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.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Lasat specific setup.
*/
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/tty.h>
#include <asm/time.h>
#include <asm/cpu.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/lasat/lasat.h>
#include <asm/lasat/serial.h>
#ifdef CONFIG_PICVUE
#include <linux/notifier.h>
#endif
#include "ds1603.h"
#include <asm/lasat/ds1603.h>
#include <asm/lasat/picvue.h>
#include <asm/lasat/eeprom.h>
#include "prom.h"
int lasat_command_line;
void lasatint_init(void);
extern void lasat_reboot_setup(void);
extern void pcisetup(void);
extern void edhac_init(void *, void *, void *);
extern void addrflt_init(void);
struct lasat_misc lasat_misc_info[N_MACHTYPES] = {
{
.reset_reg = (void *)KSEG1ADDR(0x1c840000),
.flash_wp_reg = (void *)KSEG1ADDR(0x1c800000), 2
}, {
.reset_reg = (void *)KSEG1ADDR(0x11080000),
.flash_wp_reg = (void *)KSEG1ADDR(0x11000000), 6
}
};
struct lasat_misc *lasat_misc;
#ifdef CONFIG_DS1603
static struct ds_defs ds_defs[N_MACHTYPES] = {
{ (void *)DS1603_REG_100, (void *)DS1603_REG_100,
DS1603_RST_100, DS1603_CLK_100, DS1603_DATA_100,
DS1603_DATA_SHIFT_100, 0, 0 },
{ (void *)DS1603_REG_200, (void *)DS1603_DATA_REG_200,
DS1603_RST_200, DS1603_CLK_200, DS1603_DATA_200,
DS1603_DATA_READ_SHIFT_200, 1, 2000 }
};
#endif
#ifdef CONFIG_PICVUE
#include "picvue.h"
static struct pvc_defs pvc_defs[N_MACHTYPES] = {
{ (void *)PVC_REG_100, PVC_DATA_SHIFT_100, PVC_DATA_M_100,
PVC_E_100, PVC_RW_100, PVC_RS_100 },
{ (void *)PVC_REG_200, PVC_DATA_SHIFT_200, PVC_DATA_M_200,
PVC_E_200, PVC_RW_200, PVC_RS_200 }
};
#endif
static int lasat_panic_display(struct notifier_block *this,
unsigned long event, void *ptr)
{
#ifdef CONFIG_PICVUE
unsigned char *string = ptr;
if (string == NULL)
string = "Kernel Panic";
pvc_dump_string(string);
#endif
return NOTIFY_DONE;
}
static int lasat_panic_prom_monitor(struct notifier_block *this,
unsigned long event, void *ptr)
{
prom_monitor();
return NOTIFY_DONE;
}
static struct notifier_block lasat_panic_block[] =
{
{
.notifier_call = lasat_panic_display,
.priority = INT_MAX
}, {
.notifier_call = lasat_panic_prom_monitor,
.priority = INT_MIN
}
};
void __init plat_time_init(void)
{
mips_hpt_frequency = lasat_board_info.li_cpu_hz / 2;
change_c0_status(ST0_IM, IE_IRQ0);
}
void __init plat_mem_setup(void)
{
int i;
int lasat_type = IS_LASAT_200() ? 1 : 0;
lasat_misc = &lasat_misc_info[lasat_type];
#ifdef CONFIG_PICVUE
picvue = &pvc_defs[lasat_type];
#endif
/* Set up panic notifier */
for (i = 0; i < ARRAY_SIZE(lasat_panic_block); i++)
atomic_notifier_chain_register(&panic_notifier_list,
&lasat_panic_block[i]);
lasat_reboot_setup();
#ifdef CONFIG_DS1603
ds1603 = &ds_defs[lasat_type];
#endif
#ifdef DYNAMIC_SERIAL_INIT
serial_init();
#endif
pr_info("Lasat specific initialization complete\n");
}