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bsps/xilinx_zynq: Add SPI driver for xilinx-axi-spi

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Updates #4321
This commit is contained in:
Jan Sommer
2021-02-25 17:52:03 +01:00
parent 4f12a1e365
commit 70667b5527
3 changed files with 557 additions and 0 deletions
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bsps/include/dev/spi/xilinx-axi-spi-regs.h Normal file
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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2021 Jan Sommer, German Aerospace Center (DLR)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef LIBBSP_ARM_XILINX_AXI_SPI_REGS_H
#define LIBBSP_ARM_XILINX_AXI_SPI_REGS_H
#include <bsp/utility.h>
typedef struct {
uint32_t reserved1[7];
uint32_t globalirq;
#define XILINX_AXI_SPI_GLOBAL_IRQ_ENABLE BSP_BIT32(31)
uint32_t irqstatus;
uint32_t reserved2;
uint32_t irqenable;
#define XILINX_AXI_SPI_IRQ_CMD_ERR BSP_BIT32(13)
#define XILINX_AXI_SPI_IRQ_LOOP_ERR BSP_BIT32(12)
#define XILINX_AXI_SPI_IRQ_MSB_ERR BSP_BIT32(11)
#define XILINX_AXI_SPI_IRQ_SLV_ERR BSP_BIT32(10)
#define XILINX_AXI_SPI_IRQ_CPOL_CPHA_ERR BSP_BIT32(9)
#define XILINX_AXI_SPI_IRQ_RXNEMPTY BSP_BIT32(8)
#define XILINX_AXI_SPI_IRQ_CS_MODE BSP_BIT32(7)
#define XILINX_AXI_SPI_IRQ_TXHALF BSP_BIT32(6)
#define XILINX_AXI_SPI_IRQ_RXOVR BSP_BIT32(5)
#define XILINX_AXI_SPI_IRQ_RXFULL BSP_BIT32(4)
#define XILINX_AXI_SPI_IRQ_TXUF BSP_BIT32(3)
#define XILINX_AXI_SPI_IRQ_TXEMPTY BSP_BIT32(2)
#define XILINX_AXI_SPI_IRQ_SLV_MODF BSP_BIT32(1)
#define XILINX_AXI_SPI_IRQ_MODF BSP_BIT32(0)
uint32_t reserved3[5];
uint32_t reset;
#define XILINX_AXI_SPI_RESET 0x0000000a
uint32_t reserved4[7];
uint32_t control;
#define XILINX_AXI_SPI_CONTROL_LSBFIRST BSP_BIT32(9)
#define XILINX_AXI_SPI_CONTROL_MST_TRANS_INHIBIT BSP_BIT32(8)
#define XILINX_AXI_SPI_CONTROL_MANUAL_CS BSP_BIT32(7)
#define XILINX_AXI_SPI_CONTROL_RX_FIFO_RESET BSP_BIT32(6)
#define XILINX_AXI_SPI_CONTROL_TX_FIFO_RESET BSP_BIT32(5)
#define XILINX_AXI_SPI_CONTROL_CPHA BSP_BIT32(4)
#define XILINX_AXI_SPI_CONTROL_CPOL BSP_BIT32(3)
#define XILINX_AXI_SPI_CONTROL_MSTREN BSP_BIT32(2)
#define XILINX_AXI_SPI_CONTROL_SPIEN BSP_BIT32(1)
#define XILINX_AXI_SPI_CONTROL_LOOP BSP_BIT32(0)
uint32_t status;
#define XILINX_AXI_SPI_STATUS_CMD_ERR BSP_BIT32(10)
#define XILINX_AXI_SPI_STATUS_LOOP_ERR BSP_BIT32(9)
#define XILINX_AXI_SPI_STATUS_MSB_ERR BSP_BIT32(8)
#define XILINX_AXI_SPI_STATUS_SLV_ERR BSP_BIT32(7)
#define XILINX_AXI_SPI_STATUS_CPOL_CPHA_ERR BSP_BIT32(6)
#define XILINX_AXI_SPI_STATUS_SLV_MODE BSP_BIT32(5)
#define XILINX_AXI_SPI_STATUS_MODF BSP_BIT32(4)
#define XILINX_AXI_SPI_STATUS_TXFULL BSP_BIT32(3)
#define XILINX_AXI_SPI_STATUS_TXEMPTY BSP_BIT32(2)
#define XILINX_AXI_SPI_STATUS_RXFULL BSP_BIT32(1)
#define XILINX_AXI_SPI_STATUS_RXEMPTY BSP_BIT32(0)
uint32_t txdata;
uint32_t rxdata;
uint32_t cs;
uint32_t tx_fifo_len;
uint32_t rx_fifo_len;
} xilinx_axi_spi;
#endif /* LIBBSP_ARM_XILINX_AXI_SPI_REGS_H */