55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/*
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* Copyright (c) 2013-2014 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 TI LM3S6965 System Control Peripherals interface
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*
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*
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* Library for controlling target-specific devices present in the 0x400fe000
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* peripherals memory region.
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*
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* Currently, only enabling the main OSC with default value is implemented.
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*/
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#include <stdint.h>
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#include <toolchain.h>
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#include <sections.h>
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#include "scp.h"
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/* System Control Peripheral (SCP) Registers */
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volatile struct __scp __scp_section __scp;
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/**
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*
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* @brief Enable main oscillator with default frequency of 6MHz
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*
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* @return N/A
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*/
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void _ScpMainOscEnable(void)
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{
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union __rcc reg;
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reg.value = __scp.clock.rcc.value;
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reg.bit.moscdis = 0;
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reg.bit.oscsrc = _SCP_OSC_SOURCE_MAIN;
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reg.bit.xtal = _SCP_CRYSTAL_6MHZ;
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__scp.clock.rcc.value = reg.value;
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}
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