static int __init
ds1302_probe(void)
{
int retval, res, baur;
baur=(boot_cpu_data.bus_clock/(2*1000*1000));
printk("%s: Set PLD_RTCBAUR = %d\n", ds1302_name,baur);
outw(0x0000,(unsigned long)PLD_RTCCR);
outw(0x0000,(unsigned long)PLD_RTCRSTODT);
outw(baur,(unsigned long)PLD_RTCBAUR);
/* Try to talk to timekeeper. */
ds1302_wenable();
/* write RAM byte 0 */
/* write something magic */
out_byte_rtc(0xc0,MAGIC_PATTERN);
/* read RAM byte 0 */
if((res = in_byte_rtc(0xc1)) == MAGIC_PATTERN) {
char buf[100];
ds1302_wdisable();
printk("%s: RTC found.\n", ds1302_name);
get_rtc_status(buf);
printk(buf);
retval = 1;
} else {
printk("%s: RTC not found.\n", ds1302_name);
retval = 0;
}
return retval;
}
static int
ds1302_probe(void)
{
int retval, res;
TK_RST_DIR(1);
TK_SCL_DIR(1);
TK_SDA_DIR(0);
/* Try to talk to timekeeper. */
ds1302_wenable();
start();
out_byte(0xc0); /* write RAM byte 0 */
out_byte(MAGIC_PATTERN); /* write something magic */
start();
out_byte(0xc1); /* read RAM byte 0 */
if((res = in_byte()) == MAGIC_PATTERN) {
char buf[100];
stop();
ds1302_wdisable();
printk("%s: RTC found.\n", ds1302_name);
printk("%s: SDA, SCL, RST on PB%i, PB%i, %s%i\n",
ds1302_name,
CONFIG_ETRAX_DS1302_SDABIT,
CONFIG_ETRAX_DS1302_SCLBIT,
#ifdef CONFIG_ETRAX_DS1302_RST_ON_GENERIC_PORT
"GENIO",
#else
"PB",
#endif
CONFIG_ETRAX_DS1302_RSTBIT);
get_rtc_status(buf);
printk(buf);
retval = 1;
} else {
stop();
printk("%s: RTC not found.\n", ds1302_name);
retval = 0;
}
return retval;
}
static int get_root_array(char * page, int type, char **start, off_t offset, int length)
{
switch (type) {
case PROC_LOADAVG:
return get_loadavg(page);
case PROC_UPTIME:
return get_uptime(page);
case PROC_MEMINFO:
return get_meminfo(page);
#ifdef CONFIG_PCI
case PROC_PCI:
return get_pci_list(page);
#endif
case PROC_CPUINFO:
return get_cpuinfo(page);
case PROC_VERSION:
return get_version(page);
#ifdef CONFIG_DEBUG_MALLOC
case PROC_MALLOC:
return get_malloc(page);
#endif
#ifdef CONFIG_MODULES
case PROC_MODULES:
return get_module_list(page);
case PROC_KSYMS:
return get_ksyms_list(page, start, offset, length);
#endif
case PROC_STAT:
return get_kstat(page);
case PROC_DEVICES:
return get_device_list(page);
case PROC_INTERRUPTS:
return get_irq_list(page);
case PROC_FILESYSTEMS:
return get_filesystem_list(page);
case PROC_DMA:
return get_dma_list(page);
case PROC_IOPORTS:
return get_ioport_list(page);
#ifdef CONFIG_BLK_DEV_MD
case PROC_MD:
return get_md_status(page);
#endif
#ifdef __SMP_PROF__
case PROC_SMP_PROF:
return get_smp_prof_list(page);
#endif
case PROC_CMDLINE:
return get_cmdline(page);
case PROC_MTAB:
return get_filesystem_info( page );
#ifdef CONFIG_RTC
case PROC_RTC:
return get_rtc_status(page);
#endif
case PROC_LOCKS:
return get_locks_status(page);
}
return -EBADF;
}