78 lines
3.4 KiB
C
78 lines
3.4 KiB
C
/****************************************************************************
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* arch/arm/include/xmc4/chip.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_INCLUDE_XMC4_CHIP_H
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#define __ARCH_ARM_INCLUDE_XMC4_CHIP_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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/****************************************************************************
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* Pre-processor Prototypes
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****************************************************************************/
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/* Get customizations for each supported chip */
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#if defined(CONFIG_ARCH_CHIP_XMC4500)
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# define XMC4_NUSIC 3 /* Three USIC modules: USCI0-2 */
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# undef XMC4_SCU_GATING /* No clock gating registers */
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# define XMC4_NECAT 0 /* No EtherCAT support */
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#elif defined(CONFIG_ARCH_CHIP_XMC4700)
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# define XMC4_NUSIC 3 /* Three USIC modules: USCI0-2 */
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# define XMC4_SCU_GATING 1 /* Has clock gating registers */
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# define XMC4_NECAT 0 /* No EtherCAT support */
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#elif defined(CONFIG_ARCH_CHIP_XMC4800)
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# define XMC4_NUSIC 3 /* Three USIC modules: USCI0-2 */
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# define XMC4_SCU_GATING 1 /* Has clock gating registers */
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# define XMC4_NECAT 1 /* One EtherCAT module */
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#else
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# error "Unsupported XMC4xxx chip"
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#endif
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/* NVIC priority levels *****************************************************/
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/* Each priority field holds a priority value. The lower the value, the
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* greater the priority of the corresponding interrupt.
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* The XMC4500 implements only bits[7:2] of this field, bits[1:0]
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* read as zero and ignore writes.
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*/
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#define NVIC_SYSH_PRIORITY_MIN 0xfc /* All bits[7:2] set is minimum priority */
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#define NVIC_SYSH_PRIORITY_DEFAULT 0x80 /* Midpoint is the default */
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#define NVIC_SYSH_PRIORITY_MAX 0x00 /* Zero is maximum priority */
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#define NVIC_SYSH_PRIORITY_STEP 0x04 /* Steps between supported priority values */
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Public Functions Prototypes
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****************************************************************************/
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#endif /* __ARCH_ARM_INCLUDE_XMC4_CHIP_H */
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