85 	struct hifmc_host *host;  member
103 static inline int hisi_spi_nor_wait_op_finish(struct hifmc_host *host)  in hisi_spi_nor_wait_op_finish()  argument
107 	return readl_poll_timeout(host->regbase + FMC_INT, reg,  in hisi_spi_nor_wait_op_finish()
137 static void hisi_spi_nor_init(struct hifmc_host *host)  in hisi_spi_nor_init()  argument
144 	writel(reg, host->regbase + FMC_SPI_TIMING_CFG);  in hisi_spi_nor_init()
150 	struct hifmc_host *host = priv->host;  in hisi_spi_nor_prep()  local
153 	mutex_lock(&host->lock);  in hisi_spi_nor_prep()
155 	ret = clk_set_rate(host->clk, priv->clkrate);  in hisi_spi_nor_prep()
159 	ret = clk_prepare_enable(host->clk);  in hisi_spi_nor_prep()
166 	mutex_unlock(&host->lock);  in hisi_spi_nor_prep()
173 	struct hifmc_host *host = priv->host;  in hisi_spi_nor_unprep()  local
175 	clk_disable_unprepare(host->clk);  in hisi_spi_nor_unprep()
176 	mutex_unlock(&host->lock);  in hisi_spi_nor_unprep()
183 	struct hifmc_host *host = priv->host;  in hisi_spi_nor_op_reg()  local
187 	writel(reg, host->regbase + FMC_CMD);  in hisi_spi_nor_op_reg()
190 	writel(reg, host->regbase + FMC_DATA_NUM);  in hisi_spi_nor_op_reg()
193 	writel(reg, host->regbase + FMC_OP_CFG);  in hisi_spi_nor_op_reg()
195 	writel(0xff, host->regbase + FMC_INT_CLR);  in hisi_spi_nor_op_reg()
197 	writel(reg, host->regbase + FMC_OP);  in hisi_spi_nor_op_reg()
199 	return hisi_spi_nor_wait_op_finish(host);  in hisi_spi_nor_op_reg()
206 	struct hifmc_host *host = priv->host;  in hisi_spi_nor_read_reg()  local
213 	memcpy_fromio(buf, host->iobase, len);  in hisi_spi_nor_read_reg()
221 	struct hifmc_host *host = priv->host;  in hisi_spi_nor_write_reg()  local
224 		memcpy_toio(host->iobase, buf, len);  in hisi_spi_nor_write_reg()
233 	struct hifmc_host *host = priv->host;  in hisi_spi_nor_dma_transfer()  local
237 	reg = readl(host->regbase + FMC_CFG);  in hisi_spi_nor_dma_transfer()
242 	writel(reg, host->regbase + FMC_CFG);  in hisi_spi_nor_dma_transfer()
244 	writel(start_off, host->regbase + FMC_ADDRL);  in hisi_spi_nor_dma_transfer()
245 	writel(dma_buf, host->regbase + FMC_DMA_SADDR_D0);  in hisi_spi_nor_dma_transfer()
246 	writel(FMC_DMA_LEN_SET(len), host->regbase + FMC_DMA_LEN);  in hisi_spi_nor_dma_transfer()
256 	writel(reg, host->regbase + FMC_OP_CFG);  in hisi_spi_nor_dma_transfer()
258 	writel(0xff, host->regbase + FMC_INT_CLR);  in hisi_spi_nor_dma_transfer()
263 	writel(reg, host->regbase + FMC_OP_DMA);  in hisi_spi_nor_dma_transfer()
265 	return hisi_spi_nor_wait_op_finish(host);  in hisi_spi_nor_dma_transfer()
272 	struct hifmc_host *host = priv->host;  in hisi_spi_nor_read()  local
280 			from + offset, host->dma_buffer, trans, FMC_OP_READ);  in hisi_spi_nor_read()
285 		memcpy(read_buf + offset, host->buffer, trans);  in hisi_spi_nor_read()
295 	struct hifmc_host *host = priv->host;  in hisi_spi_nor_write()  local
302 		memcpy(host->buffer, write_buf + offset, trans);  in hisi_spi_nor_write()
304 			to + offset, host->dma_buffer, trans, FMC_OP_WRITE);  in hisi_spi_nor_write()
327 				struct hifmc_host *host)  in hisi_spi_nor_register()  argument
336 	struct device *dev = host->dev;  in hisi_spi_nor_register()
367 	priv->host = host;  in hisi_spi_nor_register()
381 	host->nor[host->num_chip] = nor;  in hisi_spi_nor_register()
382 	host->num_chip++;  in hisi_spi_nor_register()
386 static void hisi_spi_nor_unregister_all(struct hifmc_host *host)  in hisi_spi_nor_unregister_all()  argument
390 	for (i = 0; i < host->num_chip; i++)  in hisi_spi_nor_unregister_all()
391 		mtd_device_unregister(&host->nor[i]->mtd);  in hisi_spi_nor_unregister_all()
394 static int hisi_spi_nor_register_all(struct hifmc_host *host)  in hisi_spi_nor_register_all()  argument
396 	struct device *dev = host->dev;  in hisi_spi_nor_register_all()
401 		ret = hisi_spi_nor_register(np, host);  in hisi_spi_nor_register_all()
407 		if (host->num_chip == HIFMC_MAX_CHIP_NUM) {  in hisi_spi_nor_register_all()
417 	hisi_spi_nor_unregister_all(host);  in hisi_spi_nor_register_all()
424 	struct hifmc_host *host;  in hisi_spi_nor_probe()  local
427 	host = devm_kzalloc(dev, sizeof(*host), GFP_KERNEL);  in hisi_spi_nor_probe()
428 	if (!host)  in hisi_spi_nor_probe()
431 	platform_set_drvdata(pdev, host);  in hisi_spi_nor_probe()
432 	host->dev = dev;  in hisi_spi_nor_probe()
434 	host->regbase = devm_platform_ioremap_resource_byname(pdev, "control");  in hisi_spi_nor_probe()
435 	if (IS_ERR(host->regbase))  in hisi_spi_nor_probe()
436 		return PTR_ERR(host->regbase);  in hisi_spi_nor_probe()
438 	host->iobase = devm_platform_ioremap_resource_byname(pdev, "memory");  in hisi_spi_nor_probe()
439 	if (IS_ERR(host->iobase))  in hisi_spi_nor_probe()
440 		return PTR_ERR(host->iobase);  in hisi_spi_nor_probe()
442 	host->clk = devm_clk_get(dev, NULL);  in hisi_spi_nor_probe()
443 	if (IS_ERR(host->clk))  in hisi_spi_nor_probe()
444 		return PTR_ERR(host->clk);  in hisi_spi_nor_probe()
452 	host->buffer = dmam_alloc_coherent(dev, HIFMC_DMA_MAX_LEN,  in hisi_spi_nor_probe()
453 			&host->dma_buffer, GFP_KERNEL);  in hisi_spi_nor_probe()
454 	if (!host->buffer)  in hisi_spi_nor_probe()
457 	ret = clk_prepare_enable(host->clk);  in hisi_spi_nor_probe()
461 	mutex_init(&host->lock);  in hisi_spi_nor_probe()
462 	hisi_spi_nor_init(host);  in hisi_spi_nor_probe()
463 	ret = hisi_spi_nor_register_all(host);  in hisi_spi_nor_probe()
465 		mutex_destroy(&host->lock);  in hisi_spi_nor_probe()
467 	clk_disable_unprepare(host->clk);  in hisi_spi_nor_probe()
473 	struct hifmc_host *host = platform_get_drvdata(pdev);  in hisi_spi_nor_remove()  local
475 	hisi_spi_nor_unregister_all(host);  in hisi_spi_nor_remove()
476 	mutex_destroy(&host->lock);  in hisi_spi_nor_remove()