2e7f75f6e0
Chip name : rp23xx-rv Board name : raspberrypi-pico-2-rv Arch : risc-v Changes from ARM rp23xx impl - Linker script update - ASM head start - Update chip start - New Hazard3 registers - Remove rp23xx chip hw spinlocks/testset - New irq handling (external IRQ interrupt Hazard3) - New timerisr based on RISC-V std MTIME and alarm arch - No SMP yet - Tickless option - Double size for idle, irq and main stacks - Board reset via watchdog trigger Signed-off-by: Serg Podtynnyi <serg@podtynnyi.com>
58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
/****************************************************************************
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* arch/risc-v/src/rp23xx-rv/rp23xx_uart.h
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*
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* SPDX-License-Identifier: Apache-2.0
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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_RISC_V_SRC_RP23XX_RP23XX_RV_UART_H
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#define __ARCH_RISC_V_SRC_RP23XX_RP23XX_RV_UART_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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#include "chip.h"
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#include "hardware/rp23xx_uart.h"
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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void rp23xx_lowsetup(void);
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void rp23xx_setbaud(uintptr_t uartbase, uint32_t basefreq, uint32_t baud);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_RISC_V_SRC_RP23XX_RP23XX_RV_UART_H */
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