| Ivan Bornyakov | 463dd43 | 2022-10-25 08:39:46 +0300 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | |
| 3 | #ifndef __LATTICE_SYSCONFIG_H |
| 4 | #define __LATTICE_SYSCONFIG_H |
| 5 | |
| 6 | #define SYSCONFIG_ISC_ENABLE {0xC6, 0x00, 0x00, 0x00} |
| 7 | #define SYSCONFIG_ISC_DISABLE {0x26, 0x00, 0x00, 0x00} |
| 8 | #define SYSCONFIG_ISC_ERASE {0x0E, 0x01, 0x00, 0x00} |
| 9 | #define SYSCONFIG_LSC_READ_STATUS {0x3C, 0x00, 0x00, 0x00} |
| 10 | #define SYSCONFIG_LSC_CHECK_BUSY {0xF0, 0x00, 0x00, 0x00} |
| 11 | #define SYSCONFIG_LSC_REFRESH {0x79, 0x00, 0x00, 0x00} |
| 12 | #define SYSCONFIG_LSC_INIT_ADDR {0x46, 0x00, 0x00, 0x00} |
| 13 | #define SYSCONFIG_LSC_BITSTREAM_BURST {0x7a, 0x00, 0x00, 0x00} |
| 14 | |
| 15 | #define SYSCONFIG_STATUS_DONE BIT(8) |
| 16 | #define SYSCONFIG_STATUS_BUSY BIT(12) |
| 17 | #define SYSCONFIG_STATUS_FAIL BIT(13) |
| 18 | #define SYSCONFIG_STATUS_ERR GENMASK(25, 23) |
| 19 | |
| 20 | #define SYSCONFIG_POLL_INTERVAL_US 30 |
| 21 | #define SYSCONFIG_POLL_BUSY_TIMEOUT_US 1000000 |
| 22 | #define SYSCONFIG_POLL_GPIO_TIMEOUT_US 100000 |
| 23 | |
| 24 | struct sysconfig_priv { |
| 25 | struct gpio_desc *program; |
| 26 | struct gpio_desc *init; |
| 27 | struct gpio_desc *done; |
| 28 | struct device *dev; |
| 29 | int (*command_transfer)(struct sysconfig_priv *priv, const void *tx_buf, |
| 30 | size_t tx_len, void *rx_buf, size_t rx_len); |
| 31 | int (*bitstream_burst_write_init)(struct sysconfig_priv *priv); |
| 32 | int (*bitstream_burst_write)(struct sysconfig_priv *priv, |
| 33 | const char *tx_buf, size_t tx_len); |
| 34 | int (*bitstream_burst_write_complete)(struct sysconfig_priv *priv); |
| 35 | }; |
| 36 | |
| 37 | int sysconfig_probe(struct sysconfig_priv *priv); |
| 38 | |
| 39 | #endif /* __LATTICE_SYSCONFIG_H */ |
