static int proc_cs3_write(struct file * file, const char * buffer,
size_t count, loff_t *ppos)
{
unsigned long newRegValue;
char *endp;
newRegValue = simple_strtoul(buffer,&endp,0);
set_cs3( newRegValue );
return (count+endp-buffer);
}
static void simpad_power_off(void)
{
local_irq_disable();
set_cs3(0x800);
PCFR = (PCFR_OPDE | PCFR_FP | PCFR_FS);
PWER = GFER = GRER = 1;
PSPR = 0;
PGSR = 0;
PMCR = PMCR_SF;
while(1);
local_irq_enable();
}
static void simpad_power_off(void)
{
local_irq_disable(); // was cli
set_cs3(0x800); /* only SD_MEDIAQ */
/* disable internal oscillator, float CS lines */
PCFR = (PCFR_OPDE | PCFR_FP | PCFR_FS);
/* enable wake-up on GPIO0 (Assabet...) */
PWER = GFER = GRER = 1;
/*
* set scratchpad to zero, just in case it is used as a
* restart address by the bootloader.
*/
PSPR = 0;
PGSR = 0;
/* enter sleep mode */
PMCR = PMCR_SF;
while(1);
local_irq_enable(); /* we won't ever call it */
}
