URL https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk

Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [orpsocv2/] [sw/] [drivers/] [or1200/] [or1200-utils.c] - Diff between revs 488 and 505

Rev 488	Rev 505
Line 96...	Line 96...
`cpu_get_timer_ticks(void)`	`cpu_get_timer_ticks(void)`
`{`	`{`
`return timer_ticks;`	`return timer_ticks;`
`}`	`}`

`/* Wait for 10ms */`	`/* Wait for 10ms, assumes CLK_HZ is 100, which it usually is.`
	`Will be slightly inaccurate!*/`
`void`	`void`
`cpu_sleep_10ms(void)`	`cpu_sleep_10ms(void)`
`{`	`{`
	`unsigned long ttcr = mfspr(SPR_TTCR) & SPR_TTCR_PERIOD;`
`unsigned long first_time = cpu_get_timer_ticks();`	`unsigned long first_time = cpu_get_timer_ticks();`
`while (first_time == cpu_get_timer_ticks());`	`while (first_time == cpu_get_timer_ticks()); // Wait for tick to occur`
	`// Now wait until we're past the tick value we read before to know we've`
	`// gone at least enough`
	`while(ttcr > (mfspr(SPR_TTCR) & SPR_TTCR_PERIOD));`

`}`	`}`


`No newline at end of file`	`No newline at end of file`