70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/*
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* Copyright (c) 2015 Wind River Systems, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file
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* @brief System/hardware module for the Quark D2000 BSP
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*
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* This module provides routines to initialize and support board-level
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* hardware for the Quark D2000 BSP.
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*/
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#include <nanokernel.h>
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#include <arch/cpu.h>
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#include <misc/printk.h>
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#include <misc/__assert.h>
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#include "soc.h"
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#include <drivers/mvic.h>
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#include <init.h>
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/**
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*
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* _InitHardware - perform basic hardware initialization
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*
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* Initialize the Quark D2000 Interrupt Controller (MVIC) device driver and the
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* Intel 8250 UART device driver.
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* Also initialize the timer device driver, if required.
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*
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* RETURNS: N/A
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*/
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static int quark_d2000_init(struct device *arg)
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{
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ARG_UNUSED(arg);
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#ifdef CONFIG_UART_NS16550
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/* enable clock gating */
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#ifdef CONFIG_UART_NS16550_PORT_0
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sys_set_bit(CLOCK_PERIPHERAL_BASE_ADDR, 17);
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#endif
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#ifdef CONFIG_UART_NS16550_PORT_1
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sys_set_bit(CLOCK_PERIPHERAL_BASE_ADDR, 18);
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#endif
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sys_set_bit(CLOCK_PERIPHERAL_BASE_ADDR, 1);
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#endif /* CONFIG_UART_NS16550 */
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#ifdef CONFIG_I2C_DW_0
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/* Unmask interrupt */
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sys_clear_bit(I2C_MST_0_INT_MASK, 0);
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#endif
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return 0;
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}
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SYS_INIT(quark_d2000_init, PRIMARY, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
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#ifdef CONFIG_MVIC
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SYS_INIT(_mvic_init, PRIMARY, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
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#endif /* CONFIG_IOAPIC */
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