/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LATTICE_SYSCONFIG_H
#define __LATTICE_SYSCONFIG_H
#define SYSCONFIG_ISC_ENABLE {0 xC6, 0 x00, 0 x00, 0 x00}
#define SYSCONFIG_ISC_DISABLE {0 x26, 0 x00, 0 x00, 0 x00}
#define SYSCONFIG_ISC_ERASE {0 x0E, 0 x01, 0 x00, 0 x00}
#define SYSCONFIG_LSC_READ_STATUS {0 x3C, 0 x00, 0 x00, 0 x00}
#define SYSCONFIG_LSC_CHECK_BUSY {0 xF0, 0 x00, 0 x00, 0 x00}
#define SYSCONFIG_LSC_REFRESH {0 x79, 0 x00, 0 x00, 0 x00}
#define SYSCONFIG_LSC_INIT_ADDR {0 x46, 0 x00, 0 x00, 0 x00}
#define SYSCONFIG_LSC_BITSTREAM_BURST {0 x7a, 0 x00, 0 x00, 0 x00}
#define SYSCONFIG_STATUS_DONE BIT(8 )
#define SYSCONFIG_STATUS_BUSY BIT(12 )
#define SYSCONFIG_STATUS_FAIL BIT(13 )
#define SYSCONFIG_STATUS_ERR GENMASK(25 , 23 )
#define SYSCONFIG_POLL_INTERVAL_US 30
#define SYSCONFIG_POLL_BUSY_TIMEOUT_US 1000000
#define SYSCONFIG_POLL_GPIO_TIMEOUT_US 100000
struct sysconfig_priv {
struct gpio_desc *program;
struct gpio_desc *init;
struct gpio_desc *done;
struct device *dev;
int (*command_transfer)(struct sysconfig_priv *priv, const void *tx_buf,
size_t tx_len, void *rx_buf, size_t rx_len);
int (*bitstream_burst_write_init)(struct sysconfig_priv *priv);
int (*bitstream_burst_write)(struct sysconfig_priv *priv,
const char *tx_buf, size_t tx_len);
int (*bitstream_burst_write_complete)(struct sysconfig_priv *priv);
};
int sysconfig_probe(struct sysconfig_priv *priv);
#endif /* __LATTICE_SYSCONFIG_H */
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(vorverarbeitet am 2026-06-07)
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