2  * AHCI glue platform driver for Marvell EBU SOCs
6  * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
20 #include "ahci.h"
22 #define DRV_NAME "ahci-mvebu"
42 		writel(0, hpriv->mmio + AHCI_WINDOW_CTRL(i));  in ahci_mvebu_mbus_config()
43 		writel(0, hpriv->mmio + AHCI_WINDOW_BASE(i));  in ahci_mvebu_mbus_config()
44 		writel(0, hpriv->mmio + AHCI_WINDOW_SIZE(i));  in ahci_mvebu_mbus_config()
47 	for (i = 0; i < dram->num_cs; i++) {  in ahci_mvebu_mbus_config()
48 		const struct mbus_dram_window *cs = dram->cs + i;  in ahci_mvebu_mbus_config()
50 		writel((cs->mbus_attr << 8) |  in ahci_mvebu_mbus_config()
51 		       (dram->mbus_dram_target_id << 4) | 1,  in ahci_mvebu_mbus_config()
52 		       hpriv->mmio + AHCI_WINDOW_CTRL(i));  in ahci_mvebu_mbus_config()
53 		writel(cs->base >> 16, hpriv->mmio + AHCI_WINDOW_BASE(i));  in ahci_mvebu_mbus_config()
54 		writel(((cs->size - 1) & 0xffff0000),  in ahci_mvebu_mbus_config()
55 		       hpriv->mmio + AHCI_WINDOW_SIZE(i));  in ahci_mvebu_mbus_config()
66 	writel(0x4, hpriv->mmio + AHCI_VENDOR_SPECIFIC_0_ADDR);  in ahci_mvebu_regret_option()
67 	writel(0x80, hpriv->mmio + AHCI_VENDOR_SPECIFIC_0_DATA);  in ahci_mvebu_regret_option()
79 		rc = -ENODEV;  in ahci_mvebu_armada_380_config()
90 	writel(0, hpriv->mmio + AHCI_VENDOR_SPECIFIC_0_ADDR);  in ahci_mvebu_armada_3700_config()
92 	reg = readl(hpriv->mmio + AHCI_VENDOR_SPECIFIC_0_DATA);  in ahci_mvebu_armada_3700_config()
94 	writel(reg, hpriv->mmio + AHCI_VENDOR_SPECIFIC_0_DATA);  in ahci_mvebu_armada_3700_config()
102  * @ap:	Target ata port
104  * Errata Ref#226 - SATA Disk HOT swap issue when connected through
105  * Port Multiplier in FIS-based Switching mode.
108  * register PxFBS are cleared when Port Command and Status (0x18) bit[0]
109  * changes its value from 1 to 0, i.e. falling edge of Port
130 	/* save the port PxFBS register for later restore */  in ahci_mvebu_stop_engine()
148 		return -EIO;  in ahci_mvebu_stop_engine()
156 	return ahci_platform_suspend_host(&pdev->dev);  in ahci_mvebu_suspend()
162 	struct ahci_host_priv *hpriv = host->private_data;  in ahci_mvebu_resume()
163 	const struct ahci_mvebu_plat_data *pdata = hpriv->plat_data;  in ahci_mvebu_resume()
165 	pdata->plat_config(hpriv);  in ahci_mvebu_resume()
167 	return ahci_platform_resume_host(&pdev->dev);  in ahci_mvebu_resume()
191 	pdata = of_device_get_match_data(&pdev->dev);  in ahci_mvebu_probe()
193 		return -EINVAL;  in ahci_mvebu_probe()
199 	hpriv->flags |= pdata->flags;  in ahci_mvebu_probe()
200 	hpriv->plat_data = (void *)pdata;  in ahci_mvebu_probe()
206 	hpriv->stop_engine = ahci_mvebu_stop_engine;  in ahci_mvebu_probe()
208 	rc = pdata->plat_config(hpriv);  in ahci_mvebu_probe()
235 		.compatible = "marvell,armada-380-ahci",
239 		.compatible = "marvell,armada-3700-ahci",
258 MODULE_DESCRIPTION("Marvell EBU AHCI SATA driver");
259 MODULE_AUTHOR("Thomas Petazzoni <thomas.petazzoni@free-electrons.com>, Marcin Wojtas <[email protected]…