1*463dd43bSIvan Bornyakov /* SPDX-License-Identifier: GPL-2.0 */ 2*463dd43bSIvan Bornyakov 3*463dd43bSIvan Bornyakov #ifndef __LATTICE_SYSCONFIG_H 4*463dd43bSIvan Bornyakov #define __LATTICE_SYSCONFIG_H 5*463dd43bSIvan Bornyakov 6*463dd43bSIvan Bornyakov #define SYSCONFIG_ISC_ENABLE {0xC6, 0x00, 0x00, 0x00} 7*463dd43bSIvan Bornyakov #define SYSCONFIG_ISC_DISABLE {0x26, 0x00, 0x00, 0x00} 8*463dd43bSIvan Bornyakov #define SYSCONFIG_ISC_ERASE {0x0E, 0x01, 0x00, 0x00} 9*463dd43bSIvan Bornyakov #define SYSCONFIG_LSC_READ_STATUS {0x3C, 0x00, 0x00, 0x00} 10*463dd43bSIvan Bornyakov #define SYSCONFIG_LSC_CHECK_BUSY {0xF0, 0x00, 0x00, 0x00} 11*463dd43bSIvan Bornyakov #define SYSCONFIG_LSC_REFRESH {0x79, 0x00, 0x00, 0x00} 12*463dd43bSIvan Bornyakov #define SYSCONFIG_LSC_INIT_ADDR {0x46, 0x00, 0x00, 0x00} 13*463dd43bSIvan Bornyakov #define SYSCONFIG_LSC_BITSTREAM_BURST {0x7a, 0x00, 0x00, 0x00} 14*463dd43bSIvan Bornyakov 15*463dd43bSIvan Bornyakov #define SYSCONFIG_STATUS_DONE BIT(8) 16*463dd43bSIvan Bornyakov #define SYSCONFIG_STATUS_BUSY BIT(12) 17*463dd43bSIvan Bornyakov #define SYSCONFIG_STATUS_FAIL BIT(13) 18*463dd43bSIvan Bornyakov #define SYSCONFIG_STATUS_ERR GENMASK(25, 23) 19*463dd43bSIvan Bornyakov 20*463dd43bSIvan Bornyakov #define SYSCONFIG_POLL_INTERVAL_US 30 21*463dd43bSIvan Bornyakov #define SYSCONFIG_POLL_BUSY_TIMEOUT_US 1000000 22*463dd43bSIvan Bornyakov #define SYSCONFIG_POLL_GPIO_TIMEOUT_US 100000 23*463dd43bSIvan Bornyakov 24*463dd43bSIvan Bornyakov struct sysconfig_priv { 25*463dd43bSIvan Bornyakov struct gpio_desc *program; 26*463dd43bSIvan Bornyakov struct gpio_desc *init; 27*463dd43bSIvan Bornyakov struct gpio_desc *done; 28*463dd43bSIvan Bornyakov struct device *dev; 29*463dd43bSIvan Bornyakov int (*command_transfer)(struct sysconfig_priv *priv, const void *tx_buf, 30*463dd43bSIvan Bornyakov size_t tx_len, void *rx_buf, size_t rx_len); 31*463dd43bSIvan Bornyakov int (*bitstream_burst_write_init)(struct sysconfig_priv *priv); 32*463dd43bSIvan Bornyakov int (*bitstream_burst_write)(struct sysconfig_priv *priv, 33*463dd43bSIvan Bornyakov const char *tx_buf, size_t tx_len); 34*463dd43bSIvan Bornyakov int (*bitstream_burst_write_complete)(struct sysconfig_priv *priv); 35*463dd43bSIvan Bornyakov }; 36*463dd43bSIvan Bornyakov 37*463dd43bSIvan Bornyakov int sysconfig_probe(struct sysconfig_priv *priv); 38*463dd43bSIvan Bornyakov 39*463dd43bSIvan Bornyakov #endif /* __LATTICE_SYSCONFIG_H */ 40