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463dd43b IB |
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 */ |