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2009-05-27 Sebastian Huber <sebastian.huber@embedded-brains.de>

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* clock/rtc.c, clock/tod.h: Update for new RTC driver interface.
This commit is contained in:
Joel Sherrill
2009-05-27 14:22:10 +00:00
parent 7e0bd6ee20
commit 72fe60735b
3 changed files with 107 additions and 27 deletions
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4
c/src/lib/libcpu/bfin/ChangeLog
View File

@@ -1,3 +1,7 @@
2009-05-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
* clock/rtc.c, clock/tod.h: Update for new RTC driver interface.
2009-05-25 Allan Hessenflow <allanh@kallisti.com>
* mmu/mmu.c: enable mmu after initializing it.

128
c/src/lib/libcpu/bfin/clock/rtc.c
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@@ -14,9 +14,8 @@
#include <rtems.h>
#include "tod.h"
#include <rtems/rtc.h>
#include <rtems/libio.h>
#include <rtems/score/tod.h>
#include <rtems/rtems/types.h>
#include <bsp.h>
#include <libcpu/rtcRegs.h>
@@ -35,29 +34,6 @@ void Init_RTC(void)
*((uint16_t*)RTC_PREN) = RTC_PREN_PREN; /* Enable Prescaler */
}
rtems_device_driver rtc_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor_arg,
void *arg
)
{
rtems_status_code status;
/*
* Register and initialize the primary RTC's
*/
status = rtems_io_register_name( "/dev/rtc", major, 0 );
if (status != RTEMS_SUCCESSFUL) {
rtems_fatal_error_occurred(status);
}
Init_RTC();
setRealTimeToRTEMS();
return RTEMS_SUCCESSFUL;
}
/*
* Read time from RTEMS' clock manager and set it to RTC
*/
@@ -89,7 +65,7 @@ void setRealTimeToRTEMS (void)
* Set the RTC time
*/
int setRealTime(
rtems_time_of_day *tod
const rtems_time_of_day *tod
)
{
uint32_t days;
@@ -182,3 +158,103 @@ int Leap_years_until_now (int year)
((TOD_BASE_YEAR - 1)/4 - (TOD_BASE_YEAR - 1)/100 +
(TOD_BASE_YEAR - 1)/400));
}
rtems_device_driver rtc_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor_arg,
void *arg
)
{
rtems_status_code status;
/*
* Register and initialize the primary RTC's
*/
status = rtems_io_register_name( RTC_DEVICE_NAME, major, 0 );
if (status != RTEMS_SUCCESSFUL) {
rtems_fatal_error_occurred(status);
}
Init_RTC();
setRealTimeToRTEMS();
return RTEMS_SUCCESSFUL;
}
rtems_device_driver rtc_read(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
rtems_libio_rw_args_t *rw = arg;
rtems_time_of_day *tod = (rtems_time_of_day *) rw->buffer;
rw->offset = 0;
rw->bytes_moved = 0;
if (rw->count != sizeof( rtems_time_of_day)) {
return RTEMS_INVALID_SIZE;
}
getRealTime( tod);
rw->bytes_moved = rw->count;
return RTEMS_SUCCESSFUL;
}
rtems_device_driver rtc_write(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
int rv = 0;
rtems_libio_rw_args_t *rw = arg;
const rtems_time_of_day *tod = (const rtems_time_of_day *) rw->buffer;
rw->offset = 0;
rw->bytes_moved = 0;
if (rw->count != sizeof( rtems_time_of_day)) {
return RTEMS_INVALID_SIZE;
}
rv = setRealTime( tod);
if (rv != 0) {
return RTEMS_IO_ERROR;
}
rw->bytes_moved = rw->count;
return RTEMS_SUCCESSFUL;
}
rtems_device_driver rtc_open(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
return RTEMS_SUCCESSFUL;
}
rtems_device_driver rtc_close(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
return RTEMS_SUCCESSFUL;
}
rtems_device_driver rtc_control(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
return RTEMS_NOT_IMPLEMENTED;
}

2
c/src/lib/libcpu/bfin/clock/tod.h
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@@ -26,7 +26,7 @@ extern "C" {
*/
int setRealTime(
rtems_time_of_day *tod
const rtems_time_of_day *tod
);
/*