1 // SPDX-License-Identifier: GPL-2.0-only
72 #define DRV_NAME	"ahci-ceva"
77 MODULE_PARM_DESC(rx_watermark, "RxWaterMark value (0 - 0x80)");
123 	void __iomem *mmio = hpriv->mmio;  in ahci_ceva_setup()
124 	struct ceva_ahci_priv *cevapriv = hpriv->plat_data;  in ahci_ceva_setup()
141 		 * Set Mem Addr Read ID, Write ID for non-data transfers  in ahci_ceva_setup()
149 		if (cevapriv->is_cci_enabled) {  in ahci_ceva_setup()
162 		/* Phy Control OOB timing parameters COMINIT */  in ahci_ceva_setup()
163 		writel(cevapriv->pp2c[i], mmio + AHCI_VEND_PP2C);  in ahci_ceva_setup()
166 		writel(cevapriv->pp3c[i], mmio + AHCI_VEND_PP3C);  in ahci_ceva_setup()
169 		writel(cevapriv->pp4c[i], mmio + AHCI_VEND_PP4C);  in ahci_ceva_setup()
172 		writel(cevapriv->pp5c[i], mmio + AHCI_VEND_PP5C);  in ahci_ceva_setup()
180 		if (cevapriv->flags & CEVA_FLAG_BROKEN_GEN2)  in ahci_ceva_setup()
192 	struct device_node *np = pdev->dev.of_node;  in ceva_ahci_probe()
193 	struct device *dev = &pdev->dev;  in ceva_ahci_probe()
201 		return -ENOMEM;  in ceva_ahci_probe()
203 	cevapriv->ahci_pdev = pdev;  in ceva_ahci_probe()
213 	if (of_property_read_bool(np, "ceva,broken-gen2"))  in ceva_ahci_probe()
214 		cevapriv->flags = CEVA_FLAG_BROKEN_GEN2;  in ceva_ahci_probe()
216 	/* Read OOB timing value for COMINIT from device-tree */  in ceva_ahci_probe()
217 	if (of_property_read_u8_array(np, "ceva,p0-cominit-params",  in ceva_ahci_probe()
218 					(u8 *)&cevapriv->pp2c[0], 4) < 0) {  in ceva_ahci_probe()
219 		dev_warn(dev, "ceva,p0-cominit-params property not defined\n");  in ceva_ahci_probe()
220 		return -EINVAL;  in ceva_ahci_probe()
223 	if (of_property_read_u8_array(np, "ceva,p1-cominit-params",  in ceva_ahci_probe()
224 					(u8 *)&cevapriv->pp2c[1], 4) < 0) {  in ceva_ahci_probe()
225 		dev_warn(dev, "ceva,p1-cominit-params property not defined\n");  in ceva_ahci_probe()
226 		return -EINVAL;  in ceva_ahci_probe()
229 	/* Read OOB timing value for COMWAKE from device-tree*/  in ceva_ahci_probe()
230 	if (of_property_read_u8_array(np, "ceva,p0-comwake-params",  in ceva_ahci_probe()
231 					(u8 *)&cevapriv->pp3c[0], 4) < 0) {  in ceva_ahci_probe()
232 		dev_warn(dev, "ceva,p0-comwake-params property not defined\n");  in ceva_ahci_probe()
233 		return -EINVAL;  in ceva_ahci_probe()
236 	if (of_property_read_u8_array(np, "ceva,p1-comwake-params",  in ceva_ahci_probe()
237 					(u8 *)&cevapriv->pp3c[1], 4) < 0) {  in ceva_ahci_probe()
238 		dev_warn(dev, "ceva,p1-comwake-params property not defined\n");  in ceva_ahci_probe()
239 		return -EINVAL;  in ceva_ahci_probe()
242 	/* Read phy BURST timing value from device-tree */  in ceva_ahci_probe()
243 	if (of_property_read_u8_array(np, "ceva,p0-burst-params",  in ceva_ahci_probe()
244 					(u8 *)&cevapriv->pp4c[0], 4) < 0) {  in ceva_ahci_probe()
245 		dev_warn(dev, "ceva,p0-burst-params property not defined\n");  in ceva_ahci_probe()
246 		return -EINVAL;  in ceva_ahci_probe()
249 	if (of_property_read_u8_array(np, "ceva,p1-burst-params",  in ceva_ahci_probe()
250 					(u8 *)&cevapriv->pp4c[1], 4) < 0) {  in ceva_ahci_probe()
251 		dev_warn(dev, "ceva,p1-burst-params property not defined\n");  in ceva_ahci_probe()
252 		return -EINVAL;  in ceva_ahci_probe()
255 	/* Read phy RETRY interval timing value from device-tree */  in ceva_ahci_probe()
256 	if (of_property_read_u16_array(np, "ceva,p0-retry-params",  in ceva_ahci_probe()
257 					(u16 *)&cevapriv->pp5c[0], 2) < 0) {  in ceva_ahci_probe()
258 		dev_warn(dev, "ceva,p0-retry-params property not defined\n");  in ceva_ahci_probe()
259 		return -EINVAL;  in ceva_ahci_probe()
262 	if (of_property_read_u16_array(np, "ceva,p1-retry-params",  in ceva_ahci_probe()
263 					(u16 *)&cevapriv->pp5c[1], 2) < 0) {  in ceva_ahci_probe()
264 		dev_warn(dev, "ceva,p1-retry-params property not defined\n");  in ceva_ahci_probe()
265 		return -EINVAL;  in ceva_ahci_probe()
273 	cevapriv->is_cci_enabled = (attr == DEV_DMA_COHERENT);  in ceva_ahci_probe()
275 	hpriv->plat_data = cevapriv;  in ceva_ahci_probe()
300 	struct ahci_host_priv *hpriv = host->private_data;  in ceva_ahci_resume()
330 	{ .compatible = "ceva,ahci-1v84" },