4456b2db29
This patch adds inter-processor interrupt support using K230 mailbox device to improve the RPMsg efficiency. The polling logic has been dropped. Major changes: - in arch/risc-v/include/k230: - irq.h add IRQ for IPI devices - in arch/risc-v/src/k230: - Kconfig add IPI related config, increase polling delay - Make.defs add k230_ipi.c to CHIP_SRCS - k230_hart.c fix typo, add notes of zero MISA reading w/ NUTTSBI - k230_irq.c use K230_PLIC_IRQS as ext IRQ limit to support IPI - k230_rptun.c use IPI instead of polling - in boards/risc-v/k230/canmv230/configs - master enable IPI support - remote enable IPI, TMPFS, RPMSGFS etc New additions: - in arch/risc-v/src/k230: - k230_ipi.h add K230 IPI related defintions - k230_ipi.c add K230 IPI driver Signed-off-by: Yanfeng Liu <yfliu2008@qq.com>
53 lines
2.0 KiB
C
53 lines
2.0 KiB
C
/****************************************************************************
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* arch/risc-v/include/k230/irq.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_RISCV_INCLUDE_K230_IRQ_H
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#define __ARCH_RISCV_INCLUDE_K230_IRQ_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Map RISC-V exception code to NuttX IRQ */
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#ifndef CONFIG_BUILD_KERNEL
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# define K230_IRQ_TIMER (RISCV_IRQ_MTIMER)
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# define K230_IRQ_UART0 (RISCV_IRQ_MEXT + 16)
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#else
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# define K230_IRQ_TIMER (RISCV_IRQ_STIMER)
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# define K230_IRQ_UART0 (RISCV_IRQ_SEXT + 16)
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#endif
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#define K230_IRQ_UART3 (K230_IRQ_UART0 + 3)
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#define K230_IRQ_IPI0 (K230_IRQ_UART0 + 93)
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#define K230_IRQ_IPI3 (K230_IRQ_IPI0 + 3)
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#define K230_PLIC_IRQS 208
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/* NR_IRQS is needed by NuttX */
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#define NR_IRQS (K230_IRQ_IPI3 + 1)
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#endif /* __ARCH_RISCV_INCLUDE_K230_IRQ_H */
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