mirror of
https://github.com/torvalds/linux.git
synced 2024-12-14 23:25:54 +00:00
ce00aa0a72
no level printk converted to pr_info This is untested Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
285 lines
6.2 KiB
C
285 lines
6.2 KiB
C
#include <linux/init.h>
|
|
#include <linux/types.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/tty.h>
|
|
#include <linux/console.h>
|
|
#include <linux/rtc.h>
|
|
#include <linux/vt_kern.h>
|
|
#include <linux/interrupt.h>
|
|
|
|
#include <asm/setup.h>
|
|
#include <asm/bootinfo.h>
|
|
#include <asm/bootinfo-apollo.h>
|
|
#include <asm/byteorder.h>
|
|
#include <asm/pgtable.h>
|
|
#include <asm/apollohw.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/rtc.h>
|
|
#include <asm/machdep.h>
|
|
|
|
u_long sio01_physaddr;
|
|
u_long sio23_physaddr;
|
|
u_long rtc_physaddr;
|
|
u_long pica_physaddr;
|
|
u_long picb_physaddr;
|
|
u_long cpuctrl_physaddr;
|
|
u_long timer_physaddr;
|
|
u_long apollo_model;
|
|
|
|
extern void dn_sched_init(irq_handler_t handler);
|
|
extern void dn_init_IRQ(void);
|
|
extern u32 dn_gettimeoffset(void);
|
|
extern int dn_dummy_hwclk(int, struct rtc_time *);
|
|
extern int dn_dummy_set_clock_mmss(unsigned long);
|
|
extern void dn_dummy_reset(void);
|
|
#ifdef CONFIG_HEARTBEAT
|
|
static void dn_heartbeat(int on);
|
|
#endif
|
|
static irqreturn_t dn_timer_int(int irq,void *);
|
|
static void dn_get_model(char *model);
|
|
static const char *apollo_models[] = {
|
|
[APOLLO_DN3000-APOLLO_DN3000] = "DN3000 (Otter)",
|
|
[APOLLO_DN3010-APOLLO_DN3000] = "DN3010 (Otter)",
|
|
[APOLLO_DN3500-APOLLO_DN3000] = "DN3500 (Cougar II)",
|
|
[APOLLO_DN4000-APOLLO_DN3000] = "DN4000 (Mink)",
|
|
[APOLLO_DN4500-APOLLO_DN3000] = "DN4500 (Roadrunner)"
|
|
};
|
|
|
|
int __init apollo_parse_bootinfo(const struct bi_record *record)
|
|
{
|
|
int unknown = 0;
|
|
const void *data = record->data;
|
|
|
|
switch (be16_to_cpu(record->tag)) {
|
|
case BI_APOLLO_MODEL:
|
|
apollo_model = be32_to_cpup(data);
|
|
break;
|
|
|
|
default:
|
|
unknown=1;
|
|
}
|
|
|
|
return unknown;
|
|
}
|
|
|
|
static void __init dn_setup_model(void)
|
|
{
|
|
pr_info("Apollo hardware found: [%s]\n",
|
|
apollo_models[apollo_model - APOLLO_DN3000]);
|
|
|
|
switch(apollo_model) {
|
|
case APOLLO_UNKNOWN:
|
|
panic("Unknown apollo model");
|
|
break;
|
|
case APOLLO_DN3000:
|
|
case APOLLO_DN3010:
|
|
sio01_physaddr=SAU8_SIO01_PHYSADDR;
|
|
rtc_physaddr=SAU8_RTC_PHYSADDR;
|
|
pica_physaddr=SAU8_PICA;
|
|
picb_physaddr=SAU8_PICB;
|
|
cpuctrl_physaddr=SAU8_CPUCTRL;
|
|
timer_physaddr=SAU8_TIMER;
|
|
break;
|
|
case APOLLO_DN4000:
|
|
sio01_physaddr=SAU7_SIO01_PHYSADDR;
|
|
sio23_physaddr=SAU7_SIO23_PHYSADDR;
|
|
rtc_physaddr=SAU7_RTC_PHYSADDR;
|
|
pica_physaddr=SAU7_PICA;
|
|
picb_physaddr=SAU7_PICB;
|
|
cpuctrl_physaddr=SAU7_CPUCTRL;
|
|
timer_physaddr=SAU7_TIMER;
|
|
break;
|
|
case APOLLO_DN4500:
|
|
panic("Apollo model not yet supported");
|
|
break;
|
|
case APOLLO_DN3500:
|
|
sio01_physaddr=SAU7_SIO01_PHYSADDR;
|
|
sio23_physaddr=SAU7_SIO23_PHYSADDR;
|
|
rtc_physaddr=SAU7_RTC_PHYSADDR;
|
|
pica_physaddr=SAU7_PICA;
|
|
picb_physaddr=SAU7_PICB;
|
|
cpuctrl_physaddr=SAU7_CPUCTRL;
|
|
timer_physaddr=SAU7_TIMER;
|
|
break;
|
|
default:
|
|
panic("Undefined apollo model");
|
|
break;
|
|
}
|
|
|
|
|
|
}
|
|
|
|
int dn_serial_console_wait_key(struct console *co) {
|
|
|
|
while(!(sio01.srb_csrb & 1))
|
|
barrier();
|
|
return sio01.rhrb_thrb;
|
|
}
|
|
|
|
void dn_serial_console_write (struct console *co, const char *str,unsigned int count)
|
|
{
|
|
while(count--) {
|
|
if (*str == '\n') {
|
|
sio01.rhrb_thrb = (unsigned char)'\r';
|
|
while (!(sio01.srb_csrb & 0x4))
|
|
;
|
|
}
|
|
sio01.rhrb_thrb = (unsigned char)*str++;
|
|
while (!(sio01.srb_csrb & 0x4))
|
|
;
|
|
}
|
|
}
|
|
|
|
void dn_serial_print (const char *str)
|
|
{
|
|
while (*str) {
|
|
if (*str == '\n') {
|
|
sio01.rhrb_thrb = (unsigned char)'\r';
|
|
while (!(sio01.srb_csrb & 0x4))
|
|
;
|
|
}
|
|
sio01.rhrb_thrb = (unsigned char)*str++;
|
|
while (!(sio01.srb_csrb & 0x4))
|
|
;
|
|
}
|
|
}
|
|
|
|
void __init config_apollo(void)
|
|
{
|
|
int i;
|
|
|
|
dn_setup_model();
|
|
|
|
mach_sched_init=dn_sched_init; /* */
|
|
mach_init_IRQ=dn_init_IRQ;
|
|
arch_gettimeoffset = dn_gettimeoffset;
|
|
mach_max_dma_address = 0xffffffff;
|
|
mach_hwclk = dn_dummy_hwclk; /* */
|
|
mach_set_clock_mmss = dn_dummy_set_clock_mmss; /* */
|
|
mach_reset = dn_dummy_reset; /* */
|
|
#ifdef CONFIG_HEARTBEAT
|
|
mach_heartbeat = dn_heartbeat;
|
|
#endif
|
|
mach_get_model = dn_get_model;
|
|
|
|
cpuctrl=0xaa00;
|
|
|
|
/* clear DMA translation table */
|
|
for(i=0;i<0x400;i++)
|
|
addr_xlat_map[i]=0;
|
|
|
|
}
|
|
|
|
irqreturn_t dn_timer_int(int irq, void *dev_id)
|
|
{
|
|
irq_handler_t timer_handler = dev_id;
|
|
|
|
volatile unsigned char x;
|
|
|
|
timer_handler(irq, dev_id);
|
|
|
|
x = *(volatile unsigned char *)(apollo_timer + 3);
|
|
x = *(volatile unsigned char *)(apollo_timer + 5);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
void dn_sched_init(irq_handler_t timer_routine)
|
|
{
|
|
/* program timer 1 */
|
|
*(volatile unsigned char *)(apollo_timer + 3) = 0x01;
|
|
*(volatile unsigned char *)(apollo_timer + 1) = 0x40;
|
|
*(volatile unsigned char *)(apollo_timer + 5) = 0x09;
|
|
*(volatile unsigned char *)(apollo_timer + 7) = 0xc4;
|
|
|
|
/* enable IRQ of PIC B */
|
|
*(volatile unsigned char *)(pica+1)&=(~8);
|
|
|
|
#if 0
|
|
pr_info("*(0x10803) %02x\n",
|
|
*(volatile unsigned char *)(apollo_timer + 0x3));
|
|
pr_info("*(0x10803) %02x\n",
|
|
*(volatile unsigned char *)(apollo_timer + 0x3));
|
|
#endif
|
|
|
|
if (request_irq(IRQ_APOLLO, dn_timer_int, 0, "time", timer_routine))
|
|
pr_err("Couldn't register timer interrupt\n");
|
|
}
|
|
|
|
u32 dn_gettimeoffset(void)
|
|
{
|
|
return 0xdeadbeef;
|
|
}
|
|
|
|
int dn_dummy_hwclk(int op, struct rtc_time *t) {
|
|
|
|
|
|
if(!op) { /* read */
|
|
t->tm_sec=rtc->second;
|
|
t->tm_min=rtc->minute;
|
|
t->tm_hour=rtc->hours;
|
|
t->tm_mday=rtc->day_of_month;
|
|
t->tm_wday=rtc->day_of_week;
|
|
t->tm_mon=rtc->month;
|
|
t->tm_year=rtc->year;
|
|
} else {
|
|
rtc->second=t->tm_sec;
|
|
rtc->minute=t->tm_min;
|
|
rtc->hours=t->tm_hour;
|
|
rtc->day_of_month=t->tm_mday;
|
|
if(t->tm_wday!=-1)
|
|
rtc->day_of_week=t->tm_wday;
|
|
rtc->month=t->tm_mon;
|
|
rtc->year=t->tm_year;
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
int dn_dummy_set_clock_mmss(unsigned long nowtime)
|
|
{
|
|
pr_info("set_clock_mmss\n");
|
|
return 0;
|
|
}
|
|
|
|
void dn_dummy_reset(void) {
|
|
|
|
dn_serial_print("The end !\n");
|
|
|
|
for(;;);
|
|
|
|
}
|
|
|
|
void dn_dummy_waitbut(void) {
|
|
|
|
dn_serial_print("waitbut\n");
|
|
|
|
}
|
|
|
|
static void dn_get_model(char *model)
|
|
{
|
|
strcpy(model, "Apollo ");
|
|
if (apollo_model >= APOLLO_DN3000 && apollo_model <= APOLLO_DN4500)
|
|
strcat(model, apollo_models[apollo_model - APOLLO_DN3000]);
|
|
}
|
|
|
|
#ifdef CONFIG_HEARTBEAT
|
|
static int dn_cpuctrl=0xff00;
|
|
|
|
static void dn_heartbeat(int on) {
|
|
|
|
if(on) {
|
|
dn_cpuctrl&=~0x100;
|
|
cpuctrl=dn_cpuctrl;
|
|
}
|
|
else {
|
|
dn_cpuctrl&=~0x100;
|
|
dn_cpuctrl|=0x100;
|
|
cpuctrl=dn_cpuctrl;
|
|
}
|
|
}
|
|
#endif
|
|
|