Lines Matching +full:fpga +full:- +full:slave +full:- +full:serial

1 // SPDX-License-Identifier: GPL-2.0
3  * Lattice MachXO2 Slave SPI Driver
5  * Manage Lattice FPGA firmware that is loaded over SPI using
6  * the slave serial configuration interface.
12 #include <linux/fpga/fpga-mgr.h>
18 /* MachXO2 Programming Guide - sysCONFIG Programming Commands */
29  * Max CCLK in Slave SPI mode according to 'MachXO2 Family Data
30  * Sheet' sysCONFIG Port Timing Specifications (3-36)
112 	pr_debug("machxo2 status: 0x%08lX - done=%d, cfgena=%d, busy=%d, fail=%d, devver=%d, err=%s\n",  in dump_status_reg()
129 			return -EBUSY;  in wait_until_not_busy()
137 	struct spi_device *spi = mgr->priv;  in machxo2_cleanup()
169 	dev_err(&mgr->dev, "Cleanup failed\n");  in machxo2_cleanup()
176 	struct spi_device *spi = mgr->priv;  in machxo2_spi_state()
191 	struct spi_device *spi = mgr->priv;  in machxo2_write_init()
200 	if ((info->flags & FPGA_MGR_PARTIAL_RECONFIG)) {  in machxo2_write_init()
201 		dev_err(&mgr->dev,  in machxo2_write_init()
203 		return -ENOTSUPP;  in machxo2_write_init()
229 		ret = -EINVAL;  in machxo2_write_init()
247 	dev_err(&mgr->dev, "Error during FPGA init.\n");  in machxo2_write_init()
255 	struct spi_device *spi = mgr->priv;  in machxo2_write()
264 		dev_err(&mgr->dev, "Malformed payload.\n");  in machxo2_write()
265 		return -EINVAL;  in machxo2_write()
281 			dev_err(&mgr->dev, "Error loading the bitstream.\n");  in machxo2_write()
294 	struct spi_device *spi = mgr->priv;  in machxo2_write_complete()
318 		ret = -EINVAL;  in machxo2_write_complete()
341 			ret = -EINVAL;  in machxo2_write_complete()
351 	dev_err(&mgr->dev, "Refresh failed.\n");  in machxo2_write_complete()
365 	struct device *dev = &spi->dev;  in machxo2_spi_probe()
368 	if (spi->max_speed_hz > MACHXO2_MAX_SPEED) {  in machxo2_spi_probe()
370 		return -EINVAL;  in machxo2_spi_probe()
373 	mgr = devm_fpga_mgr_register(dev, "Lattice MachXO2 SPI FPGA Manager",  in machxo2_spi_probe()
380 	{ .compatible = "lattice,machxo2-slave-spi", },
387 	{ "machxo2-slave-spi", 0 },
394 		.name = "machxo2-slave-spi",
404 MODULE_DESCRIPTION("Load Lattice FPGA firmware over SPI");