73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* @brief System/hardware module for the Quark D2000 BSP
|
|
*
|
|
* This module provides routines to initialize and support board-level
|
|
* hardware for the Quark D2000 BSP.
|
|
*/
|
|
|
|
#include <nanokernel.h>
|
|
#include <arch/cpu.h>
|
|
#include <misc/printk.h>
|
|
#include <misc/__assert.h>
|
|
#include "soc.h"
|
|
#include <drivers/mvic.h>
|
|
#include <init.h>
|
|
|
|
/**
|
|
*
|
|
* _InitHardware - perform basic hardware initialization
|
|
*
|
|
* Initialize the Quark D2000 Interrupt Controller (MVIC) device driver and the
|
|
* Intel 8250 UART device driver.
|
|
* Also initialize the timer device driver, if required.
|
|
*
|
|
* RETURNS: N/A
|
|
*/
|
|
static int quark_d2000_init(struct device *arg)
|
|
{
|
|
ARG_UNUSED(arg);
|
|
|
|
#ifdef CONFIG_UART_NS16550
|
|
/* enable clock gating */
|
|
#ifdef CONFIG_UART_NS16550_PORT_0
|
|
sys_set_bit(CLOCK_PERIPHERAL_BASE_ADDR, 17);
|
|
#endif
|
|
#ifdef CONFIG_UART_NS16550_PORT_1
|
|
sys_set_bit(CLOCK_PERIPHERAL_BASE_ADDR, 18);
|
|
#endif
|
|
sys_set_bit(CLOCK_PERIPHERAL_BASE_ADDR, 1);
|
|
#endif /* CONFIG_UART_NS16550 */
|
|
|
|
#ifdef CONFIG_I2C_DW_0
|
|
/* Unmask interrupt */
|
|
sys_clear_bit(I2C_MST_0_INT_MASK, 0);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
DECLARE_DEVICE_INIT_CONFIG(quark_d2000_0, "", quark_d2000_init, NULL);
|
|
SYS_DEFINE_DEVICE(quark_d2000_0, NULL, PRIMARY,
|
|
CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
|
|
|
|
#ifdef CONFIG_MVIC
|
|
DECLARE_DEVICE_INIT_CONFIG(mvic_0, "", _mvic_init, NULL);
|
|
SYS_DEFINE_DEVICE(mvic_0, NULL, PRIMARY, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
|
|
#endif /* CONFIG_IOAPIC */
|