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43 lines
911 B
43 lines
911 B
/* |
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* Copyright (c) 2019 Antmicro <www.antmicro.com> |
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* |
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* SPDX-License-Identifier: Apache-2.0 |
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*/ |
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#ifndef _SPI_LITESPI__H |
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#define _SPI_LITESPI__H |
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#include "spi_context.h" |
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#include <sys/sys_io.h> |
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#include <device.h> |
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#include <drivers/spi.h> |
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#define SPI_BASE_ADDR DT_INST_REG_ADDR(0) |
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#define SPI_CONTROL_REG SPI_BASE_ADDR |
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#define SPI_STATUS_REG (SPI_BASE_ADDR + 0x08) |
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#define SPI_MOSI_DATA_REG (SPI_BASE_ADDR + 0x0c) |
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#define SPI_MISO_DATA_REG (SPI_BASE_ADDR + 0x10) |
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#define SPI_CS_REG (SPI_BASE_ADDR + 0x14) |
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#define SPI_LOOPBACK_REG (SPI_BASE_ADDR + 0x18) |
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#define POSITION_WORD_SIZE 8 |
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#define SPI_MAX_CS_SIZE 0x100 |
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#define SPI_WORD_SIZE 8 |
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#define SPI_ENABLE 0x1 |
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#define SPI_DATA(dev) ((struct spi_litespi_data *) ((dev)->data)) |
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/* Structure Declarations */ |
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struct spi_litespi_data { |
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struct spi_context ctx; |
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}; |
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struct spi_litespi_cfg { |
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uint32_t base; |
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uint32_t f_sys; |
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}; |
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#endif /* _SPI_LITESPI__H */
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