57f2741e4f
Put initialization priorities as device driver Kconfig parameter. Initialization priority value for each platform is defined in the platform Kconfig file. Drivers and platform code use SYS_DEFINE_DEVICE to add and initialization function. Change-Id: I2f4f3c7370dac02408a1b50a0a1bade8b427a282 Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com> Signed-off-by: Anas Nashif <anas.nashif@intel.com>
40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/* initialize system clock driver */
|
|
|
|
/*
|
|
* Copyright (c) 2015 Wind River Systems, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
/*
|
|
* DESCRIPTION
|
|
* Initializing the timer driver is done in this module to reduce code
|
|
* duplication. Although both nanokernel and microkernel systems initialize
|
|
* the timer driver at the same point, the two systems differ in when the system
|
|
* can begin to process system clock ticks. A nanokernel system can process
|
|
* system clock ticks once the driver has initialized. However, in a
|
|
* microkernel system all system clock ticks are deferred (and stored on the
|
|
* kernel server command stack) until the kernel server fiber starts and begins
|
|
* processing any queued ticks.
|
|
*/
|
|
|
|
#include <nanokernel.h>
|
|
#include <init.h>
|
|
#include <drivers/system_timer.h>
|
|
|
|
DECLARE_DEVICE_INIT_CONFIG(sys_clock, "sys_clock",
|
|
_sys_clock_driver_init, NULL);
|
|
|
|
SYS_DEFINE_DEVICE(sys_clock, NULL, NANOKERNEL,
|
|
CONFIG_KERNEL_INIT_PRIORITY_DEVICE);
|