| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | |
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| 3 | #ifndef __LATTICE_SYSCONFIG_H |
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| 4 | #define __LATTICE_SYSCONFIG_H |
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| 5 | |
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| 6 | #define SYSCONFIG_ISC_ENABLE {0xC6, 0x00, 0x00, 0x00} |
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| 7 | #define SYSCONFIG_ISC_DISABLE {0x26, 0x00, 0x00, 0x00} |
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| 8 | #define SYSCONFIG_ISC_ERASE {0x0E, 0x01, 0x00, 0x00} |
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| 9 | #define SYSCONFIG_LSC_READ_STATUS {0x3C, 0x00, 0x00, 0x00} |
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| 10 | #define SYSCONFIG_LSC_CHECK_BUSY {0xF0, 0x00, 0x00, 0x00} |
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| 11 | #define SYSCONFIG_LSC_REFRESH {0x79, 0x00, 0x00, 0x00} |
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| 12 | #define SYSCONFIG_LSC_INIT_ADDR {0x46, 0x00, 0x00, 0x00} |
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| 13 | #define SYSCONFIG_LSC_BITSTREAM_BURST {0x7a, 0x00, 0x00, 0x00} |
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| 14 | |
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| 15 | #define SYSCONFIG_STATUS_DONE BIT(8) |
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| 16 | #define SYSCONFIG_STATUS_BUSY BIT(12) |
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| 17 | #define SYSCONFIG_STATUS_FAIL BIT(13) |
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| 18 | #define SYSCONFIG_STATUS_ERR GENMASK(25, 23) |
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| 19 | |
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| 20 | #define SYSCONFIG_POLL_INTERVAL_US 30 |
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| 21 | #define SYSCONFIG_POLL_BUSY_TIMEOUT_US 1000000 |
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| 22 | #define SYSCONFIG_POLL_GPIO_TIMEOUT_US 100000 |
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| 23 | |
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| 24 | struct sysconfig_priv { |
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| 25 | struct gpio_desc *program; |
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| 26 | struct gpio_desc *init; |
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| 27 | struct gpio_desc *done; |
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| 28 | struct device *dev; |
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| 29 | int (*command_transfer)(struct sysconfig_priv *priv, const void *tx_buf, |
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| 30 | size_t tx_len, void *rx_buf, size_t rx_len); |
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| 31 | int (*bitstream_burst_write_init)(struct sysconfig_priv *priv); |
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| 32 | int (*bitstream_burst_write)(struct sysconfig_priv *priv, |
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| 33 | const char *tx_buf, size_t tx_len); |
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| 34 | int (*bitstream_burst_write_complete)(struct sysconfig_priv *priv); |
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| 35 | }; |
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| 36 | |
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| 37 | int sysconfig_probe(struct sysconfig_priv *priv); |
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| 38 | |
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| 39 | #endif /* __LATTICE_SYSCONFIG_H */ |
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| 40 | |
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