*/
#include "startup.h"
#include "arm/ixp1200.h"
uintptr_t ixp1200_timer_base;
/*
* The IXP1200 timers are driven from the 3.6864MHz clock
*/
#define IXP1200_CLOCK_FREQ 3686400UL
#define IXP1200_CLOCK_RATE 271267361UL
#define IXP1200_CLOCK_SCALE -15
static const struct callout_slot timer_callouts[] = {
{ CALLOUT_SLOT(timer_load, _ixp1200) },
{ CALLOUT_SLOT(timer_value, _ixp1200) },
{ CALLOUT_SLOT(timer_reload, _ixp1200) },
};
static unsigned
timer_start_ixp1200()
{
return in32(ixp1200_timer_base + IXP1200_TIMER_1_VALUE);
}
static unsigned
timer_diff_ixp1200(unsigned start)
{
unsigned now = in32(ixp1200_timer_base + IXP1200_TIMER_1_VALUE);
*/
#include "startup.h"
#include <arm/ixp23xx.h>
uintptr_t ixp23xx_timer_base;
/*
* The IXP23XX timers are driven from a 75MHz clock
*/
#define IXP23XX_CLOCK_FREQ 75000000UL
#define IXP23XX_CLOCK_RATE 13333333UL
#define IXP23XX_CLOCK_SCALE -15
static const struct callout_slot timer_callouts[] = {
{ CALLOUT_SLOT(timer_load, _ixp23xx) },
{ CALLOUT_SLOT(timer_value, _ixp23xx) },
{ CALLOUT_SLOT(timer_reload, _ixp23xx) },
};
static unsigned
timer_start_ixp23xx()
{
return in32(ixp23xx_timer_base + IXP23XX_OST_TIM0);
}
static unsigned
timer_diff_ixp23xx(unsigned start)
{
unsigned now = in32(ixp23xx_timer_base + IXP23XX_OST_TIM0);
*/
#include "startup.h"
#include "arm/pxa250.h"
uintptr_t pxa270_timer_base;
/*
* The PXA270 timers are driven from the 3.25MHz clock
*/
#define PXA270_CLOCK_FREQ 3250000UL
#define PXA270_CLOCK_RATE 307692307UL
#define PXA270_CLOCK_SCALE -15
static const struct callout_slot timer_callouts[] = {
{ CALLOUT_SLOT(timer_load, _pxa250) },
{ CALLOUT_SLOT(timer_value, _pxa250) },
{ CALLOUT_SLOT(timer_reload, _pxa250) },
};
static unsigned
timer_start_pxa270()
{
return in32(pxa270_timer_base + PXA250_OSCR);
}
static unsigned
timer_diff_pxa270(unsigned start)
{
unsigned now = in32(pxa270_timer_base + PXA250_OSCR);
uintptr_t ixp425_timer_base;
/*
* The IXP425 timers are driven from a 66.66MHz clock
*
* RATE = (1/10^SCALE)/FREQ
*/
#define IXP425_CLOCK_FREQ 66660000UL
#define IXP425_CLOCK_RATE 15001500UL
#define IXP425_CLOCK_SCALE -15
static const struct callout_slot timer_callouts[] = {
{ CALLOUT_SLOT(timer_load, _ixp425) },
{ CALLOUT_SLOT(timer_value, _ixp425) },
{ CALLOUT_SLOT(timer_reload, _ixp425) },
};
static unsigned
timer_start_ixp425()
{
return in32(ixp425_timer_base + IXP425_TIMER0_VAL);
}
static unsigned
timer_diff_ixp425(unsigned start)
{
unsigned now = in32(ixp425_timer_base + IXP425_TIMER0_VAL) & ~0x3;
* TI OMAP3530 specific timer support.
* GPT1 is used.
*/
#include "startup.h"
#include <arm/omap3530.h>
extern struct callout_rtn timer_load_omap3530;
extern struct callout_rtn timer_value_omap3530;
extern struct callout_rtn timer_reload_omap3530;
static uintptr_t timer_base;
static const struct callout_slot timer_callouts[] = {
{ CALLOUT_SLOT(timer_load, _omap3530) },
{ CALLOUT_SLOT(timer_value, _omap3530) },
{ CALLOUT_SLOT(timer_reload, _omap3530) },
};
static unsigned
timer_start_omap3530()
{
out32(timer_base + OMAP3530_GPT_TCLR,
in32(timer_base + OMAP3530_GPT_TCLR) | 1);
return in32(timer_base + OMAP3530_GPT_TCRR);
}
static unsigned
timer_diff_omap3530(unsigned start)
*/
#include "startup.h"
#include <arm/ep93xx.h>
#include <sys/hwinfo.h>
#include <drvr/hwinfo.h>
#include <errno.h>
extern struct callout_rtn timer_load_ep93xx;
extern struct callout_rtn timer_value_ep93xx;
extern struct callout_rtn timer_reload_ep93xx;
static uintptr_t timer_base;
static const struct callout_slot timer_callouts[] = {
{ CALLOUT_SLOT(timer_load, _ep93xx) },
{ CALLOUT_SLOT(timer_value, _ep93xx) },
{ CALLOUT_SLOT(timer_reload, _ep93xx) },
};
/*
* timer_start_ep93xx
*
* Start the timer.
* We don't assume that the timer is enabled and so will re-start it if it is.
* This requires disabling, re-writing the LOAD register (we use its current
* value or UINT32_MAX if its zero) as instructed in the doc for the Control
* register EN bit and then re-enable.
*
* Returns: the current value of the counter (ie. the VALUE register)
*/