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arch/risc-v/rp23xx-riscv: Initial rp23xx RISC-V support
UPDATE from PULL Signed-off-by: Serg Podtynnyi <serg@podtynnyi.com>
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‎.codespellrc

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@@ -62,3 +62,4 @@ ignore-words-list =
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tolen,
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UE,
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WRON,
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SIE,

‎arch/risc-v/Kconfig

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@@ -368,6 +368,22 @@ config ARCH_CHIP_EIC7700X
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---help---
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ESWIN EIC7700X SoC.
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config ARCH_CHIP_RP23XX_RV
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bool "Raspberry Pi RP23XX RISC-V"
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select ARCH_RV32
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select ARCH_RV_ISA_M
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select ARCH_RV_ISA_A
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select ARCH_RV_ISA_C
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select ARCH_HAVE_PWM_MULTICHAN
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select ARCH_HAVE_RESET
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select ARCH_HAVE_TICKLESS
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select ONESHOT
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select ALARM_ARCH
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select ARCH_HAVE_I2CRESET
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select ARCH_BOARD_COMMON
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---help---
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Raspberry Pi RP23XX architectures (RISC-V dual Hazard3).
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config ARCH_CHIP_RISCV_CUSTOM
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bool "Custom RISC-V chip"
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select ARCH_CHIP_CUSTOM
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default "k230" if ARCH_CHIP_K230
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default "sg2000" if ARCH_CHIP_SG2000
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default "eic7700x" if ARCH_CHIP_EIC7700X
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default "rp23xx-rv" if ARCH_CHIP_RP23XX_RV
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config ARCH_RISCV_INTXCPT_EXTENSIONS
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bool "RISC-V Integer Context Extensions"
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if ARCH_CHIP_EIC7700X
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source "arch/risc-v/src/eic7700x/Kconfig"
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endif
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if ARCH_CHIP_RP23XX_RV
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source "arch/risc-v/src/rp23xx-rv/Kconfig"
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endif
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endif # ARCH_RISCV

‎arch/risc-v/include/rp23xx-rv/chip.h

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/****************************************************************************
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* arch/risc-v/include/rp23xx-rv/chip.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_RISCV_INCLUDE_RP23XX_RV_CHIP_H
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#define __ARCH_RISCV_INCLUDE_RP23XX_RV_CHIP_H
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#endif /* __ARCH_RISCV_INCLUDE_RP23XX_RV_CHIP_H */

‎arch/risc-v/include/rp23xx-rv/i2c_slave.h

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/****************************************************************************
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* arch/risc-v/include/rp23xx-rv/i2c_slave.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_RISCV_INCLUDE_RP23XX_RV_I2C_SLAVE_H
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#define __ARCH_RISCV_INCLUDE_RP23XX_RV_I2C_SLAVE_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 <nuttx/i2c/i2c_slave.h>
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#ifndef __ASSEMBLY__
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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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/* There is no driver for I2C slave operations. To create an I2C slave,
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* include this file (as: <arch/chip/i2c_slave.h>) and use either
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* rp23xx_i2c0_slave_initialize or rp23xx_i2c1_slave_initialize to
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* initialize the I2C for slave operations.
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*/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: rp23xx_i2c0_slave_initialize
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*
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* Description:
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* Initialize I2C controller zero for slave operation, and return a pointer
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* to the instance of struct i2c_slave_s. This function should only be
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* called once of a give controller.
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*
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* Note: the same port cannot be initialized as both master and slave.
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*
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* Input Parameters:
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* rx_buffer - Buffer for data transmitted to us by an I2C master.
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* rx_buffer_len - Length of rx_buffer.
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* callback - Callback function called when messages are received.
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*
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* Returned Value:
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* Valid I2C device structure reference on success; a NULL on failure
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*
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****************************************************************************/
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#ifdef CONFIG_RP23XX_RV_I2C0_SLAVE
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struct i2c_slave_s *rp23xx_i2c0_slave_initialize
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(uint8_t *rx_buffer,
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size_t rx_buffer_len,
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i2c_slave_callback_t *callback);
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#endif
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/****************************************************************************
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* Name: rp23xx_i2c1_slave_initialize
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*
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* Description:
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* Initialize I2C controller zero for slave operation, and return a pointer
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* to the instance of struct i2c_slave_s. This function should only be
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* called once of a give controller.
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*
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* Note: the same port cannot be initialized as both master and slave.
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*
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* Input Parameters:
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* rx_buffer - Buffer for data transmitted to us by an I2C master.
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* rx_buffer_len - Length of rx_buffer.
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* callback - Callback function called when messages are received.
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*
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* Returned Value:
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* Valid I2C device structure reference on success; a NULL on failure
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*
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****************************************************************************/
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#ifdef CONFIG_RP23XX_RV_I2C1_SLAVE
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struct i2c_slave_s *rp23xx_i2c1_slave_initialize
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(uint8_t *rx_buffer,
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size_t rx_buffer_len,
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i2c_slave_callback_t *callback);
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#endif
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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_RISCV_INCLUDE_RP23XX_RV_I2C_SLAVE_H */

‎arch/risc-v/include/rp23xx-rv/irq.h

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/****************************************************************************
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* arch/risc-v/include/rp23xx-rv/irq.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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/* This file should never be included directly but, rather,
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* only indirectly through nuttx/irq.h
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*/
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#ifndef __ARCH_RISCV_INCLUDE_RP23XX_IRQ_H
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#define __ARCH_RISCV_INCLUDE_RP23XX_IRQ_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#ifndef __ASSEMBLY__
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# include <stdint.h>
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#endif
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/****************************************************************************
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* Pre-processor Prototypes
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****************************************************************************/
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#define RP23XX_IRQ_EXTINT (RISCV_IRQ_ASYNC + 32) /* Vector 48: Vector number of the first external interrupt */
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/* External interrupts (vectors >= 48). These definitions are
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* chip-specific
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*/
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#define RP23XX_TIMER0_IRQ_0 (RP23XX_IRQ_EXTINT+0)
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#define RP23XX_TIMER0_IRQ_1 (RP23XX_IRQ_EXTINT+1)
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#define RP23XX_TIMER0_IRQ_2 (RP23XX_IRQ_EXTINT+2)
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#define RP23XX_TIMER0_IRQ_3 (RP23XX_IRQ_EXTINT+3)
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#define RP23XX_TIMER1_IRQ_0 (RP23XX_IRQ_EXTINT+4)
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#define RP23XX_TIMER1_IRQ_1 (RP23XX_IRQ_EXTINT+5)
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#define RP23XX_TIMER1_IRQ_2 (RP23XX_IRQ_EXTINT+6)
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#define RP23XX_TIMER1_IRQ_3 (RP23XX_IRQ_EXTINT+7)
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#define RP23XX_RV_PWM_IRQ_WRAP_0 (RP23XX_IRQ_EXTINT+8)
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#define RP23XX_RV_PWM_IRQ_WRAP_1 (RP23XX_IRQ_EXTINT+9)
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#define RP23XX_DMA_IRQ_0 (RP23XX_IRQ_EXTINT+10)
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#define RP23XX_DMA_IRQ_1 (RP23XX_IRQ_EXTINT+11)
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#define RP23XX_DMA_IRQ_2 (RP23XX_IRQ_EXTINT+12)
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#define RP23XX_DMA_IRQ_3 (RP23XX_IRQ_EXTINT+13)
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#define RP23XX_USBCTRL_IRQ (RP23XX_IRQ_EXTINT+14)
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#define RP23XX_PIO0_IRQ_0 (RP23XX_IRQ_EXTINT+15)
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#define RP23XX_PIO0_IRQ_1 (RP23XX_IRQ_EXTINT+16)
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#define RP23XX_PIO1_IRQ_0 (RP23XX_IRQ_EXTINT+17)
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#define RP23XX_PIO1_IRQ_1 (RP23XX_IRQ_EXTINT+18)
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#define RP23XX_PIO2_IRQ_0 (RP23XX_IRQ_EXTINT+19)
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#define RP23XX_PIO2_IRQ_1 (RP23XX_IRQ_EXTINT+20)
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#define RP23XX_IO_IRQ_BANK0 (RP23XX_IRQ_EXTINT+21)
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#define RP23XX_IO_IRQ_BANK0_NS (RP23XX_IRQ_EXTINT+22)
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#define RP23XX_IO_IRQ_QSPI (RP23XX_IRQ_EXTINT+23)
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#define RP23XX_IO_IRQ_QSPI_NS (RP23XX_IRQ_EXTINT+24)
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#define RP23XX_SIO_IRQ_FIFO (RP23XX_IRQ_EXTINT+25)
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#define RP23XX_SIO_IRQ_BELL (RP23XX_IRQ_EXTINT+26)
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#define RP23XX_SIO_IRQ_FIFO_NS (RP23XX_IRQ_EXTINT+27)
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#define RP23XX_SIO_IRQ_BELL_NS (RP23XX_IRQ_EXTINT+28)
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#define RP23XX_SIO_IRQ_MTIMECMP (RP23XX_IRQ_EXTINT+29)
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#define RP23XX_CLOCKS_IRQ (RP23XX_IRQ_EXTINT+30)
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#define RP23XX_RV_SPI0_IRQ (RP23XX_IRQ_EXTINT+31)
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#define RP23XX_RV_SPI1_IRQ (RP23XX_IRQ_EXTINT+32)
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#define RP23XX_RV_UART0_IRQ (RP23XX_IRQ_EXTINT+33)
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#define RP23XX_RV_UART1_IRQ (RP23XX_IRQ_EXTINT+34)
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#define RP23XX_RV_ADC_IRQ_FIFO (RP23XX_IRQ_EXTINT+35)
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#define RP23XX_RV_I2C0_IRQ (RP23XX_IRQ_EXTINT+36)
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#define RP23XX_RV_I2C1_IRQ (RP23XX_IRQ_EXTINT+37)
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#define RP23XX_OTP_IRQ (RP23XX_IRQ_EXTINT+38)
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#define RP23XX_TRNG_IRQ (RP23XX_IRQ_EXTINT+39)
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#define RP23XX_PROC0_IRQ_CTI (RP23XX_IRQ_EXTINT+40)
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#define RP23XX_PROC1_IRQ_CTI (RP23XX_IRQ_EXTINT+41)
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#define RP23XX_PLL_SYS_IRQ (RP23XX_IRQ_EXTINT+42)
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#define RP23XX_PLL_USB_IRQ (RP23XX_IRQ_EXTINT+43)
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#define RP23XX_POWMAN_IRQ_POW (RP23XX_IRQ_EXTINT+44)
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#define RP23XX_POWMAN_IRQ_TIMER (RP23XX_IRQ_EXTINT+45)
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#define RP23XX_SPAREIRQ_IRQ_0 (RP23XX_IRQ_EXTINT+46)
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#define RP23XX_SPAREIRQ_IRQ_1 (RP23XX_IRQ_EXTINT+47)
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#define RP23XX_SPAREIRQ_IRQ_2 (RP23XX_IRQ_EXTINT+48)
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#define RP23XX_SPAREIRQ_IRQ_3 (RP23XX_IRQ_EXTINT+49)
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#define RP23XX_SPAREIRQ_IRQ_4 (RP23XX_IRQ_EXTINT+50)
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#define RP23XX_SPAREIRQ_IRQ_5 (RP23XX_IRQ_EXTINT+51)
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#define RP23XX_IRQ_NEXTINT (52)
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#define RP23XX_IRQ_NIRQS (RP23XX_IRQ_EXTINT+RP23XX_IRQ_NEXTINT)
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#define NR_VECTORS RP23XX_IRQ_NIRQS
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#define NR_IRQS RP23XX_IRQ_NIRQS
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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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#ifndef __ASSEMBLY__
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#ifdef __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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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_RISCV_INCLUDE_RP23XX_IRQ_H */

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