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/*
* linux/arch/$(ARCH)/platform/$(PLATFORM)/config.c
*
* Copyright (C) 1993 Hamish Macdonald
* Copyright (C) 1999 D. Jeff Dionne
*
* 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.
*
* VZ Support/Fixes Evan Stawnyczy <e@lineo.ca>
*/
#include <asm/dbg.h>
#include <stdarg.h>
#include <linux/config.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/console.h>
#include <linux/interrupt.h>
#include <asm/current.h>
#include <asm/setup.h>
#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/irq.h>
#include <asm/machdep.h>
#include <asm/MC68328.h>
void BSP_sched_init(irqreturn_t (*timer_routine)(int, void *, struct pt_regs *))
{
#ifdef CONFIG_XCOPILOT_BUGS
/*
* The only thing I know is that CLK32 is not available on Xcopilot
* I have little idea about what frequency SYSCLK has on Xcopilot.
* The values for prescaler and compare registers were simply
* taken from the original source
*/
/* Restart mode, Enable int, SYSCLK, Enable timer */
TCTL2 = TCTL_OM | TCTL_IRQEN | TCTL_CLKSOURCE_SYSCLK | TCTL_TEN;
/* Set prescaler */
TPRER2 = 2;
/* Set compare register */
TCMP2 = 0xd7e4;
#else
/* Restart mode, Enable int, 32KHz, Enable timer */
TCTL2 = TCTL_OM | TCTL_IRQEN | TCTL_CLKSOURCE_32KHZ | TCTL_TEN;
/* Set prescaler (Divide 32KHz by 32)*/
TPRER2 = 31;
/* Set compare register 32Khz / 32 / 10 = 100 */
TCMP2 = 10;
#endif
request_irq(TMR2_IRQ_NUM, timer_routine, IRQ_FLG_LOCK, "timer", NULL);
}
void BSP_tick(void)
{
/* Reset Timer2 */
TSTAT2 &= 0;
}
unsigned long BSP_gettimeoffset (void)
{
return 0;
}
void BSP_gettod (int *yearp, int *monp, int *dayp,
int *hourp, int *minp, int *secp)
{
}
int BSP_hwclk(int op, struct hwclk_time *t)
{
if (!op) {
/* read */
} else {
/* write */
}
return 0;
}
int BSP_set_clock_mmss (unsigned long nowtime)
{
#if 0
short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60;
tod->second1 = real_seconds / 10;
tod->second2 = real_seconds % 10;
tod->minute1 = real_minutes / 10;
tod->minute2 = real_minutes % 10;
#endif
return 0;
}
void BSP_reset (void)
{
local_irq_disable();
asm volatile ("moveal #0x10c00000, %a0;\n\t"
"moveb #0, 0xFFFFF300;\n\t"
"moveal 0(%a0), %sp;\n\t"
"moveal 4(%a0), %a0;\n\t"
"jmp (%a0);");
}
void config_BSP(char *command, int len)
{
printk(KERN_INFO "\n68328 support D. Jeff Dionne <jeff@uclinux.org>\n");
printk(KERN_INFO "68328 support Kenneth Albanowski <kjahds@kjshds.com>\n");
printk(KERN_INFO "68328/Pilot support Bernhard Kuhn <kuhn@lpr.e-technik.tu-muenchen.de>\n");
mach_sched_init = BSP_sched_init;
mach_tick = BSP_tick;
mach_gettimeoffset = BSP_gettimeoffset;
mach_gettod = BSP_gettod;
mach_hwclk = NULL;
mach_set_clock_mmss = NULL;
mach_reset = BSP_reset;
*command = '\0';
}
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