X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fusb%2Fhost%2Fehci-pci.c;h=f20fc3354cc0c96a10a0747e0ce3fb4e61d958d8;hb=81192b79661cf2763abecbf3c3b673142ef4a2cd;hp=29af02dc5b4b9f2eec558b2d75c14e279e2dc044;hpb=676ae068d9af8c4848dc8f3a66d65e2bff066239;p=u-boot

diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 29af02dc5b..f20fc3354c 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -2,28 +2,51 @@
  * Copyright (c) 2007-2008, Juniper Networks, Inc.
  * All rights reserved.
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0
  */
 
 #include <common.h>
+#include <dm.h>
+#include <errno.h>
 #include <pci.h>
 #include <usb.h>
 
 #include "ehci.h"
 
+/* Information about a USB port */
+struct ehci_pci_priv {
+	struct ehci_ctrl ehci;
+};
+
+#ifdef CONFIG_DM_USB
+
+static void ehci_pci_init(struct udevice *dev, struct ehci_hccr **ret_hccr,
+			  struct ehci_hcor **ret_hcor)
+{
+	struct ehci_hccr *hccr;
+	struct ehci_hcor *hcor;
+	u32 cmd;
+
+	hccr = (struct ehci_hccr *)dm_pci_map_bar(dev,
+			PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
+	hcor = (struct ehci_hcor *)((uintptr_t) hccr +
+			HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
+
+	debug("EHCI-PCI init hccr %#lx and hcor %#lx hc_length %d\n",
+	      (ulong)hccr, (ulong)hcor,
+	      (u32)HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
+
+	*ret_hccr = hccr;
+	*ret_hcor = hcor;
+
+	/* enable busmaster */
+	dm_pci_read_config32(dev, PCI_COMMAND, &cmd);
+	cmd |= PCI_COMMAND_MASTER;
+	dm_pci_write_config32(dev, PCI_COMMAND, cmd);
+}
+
+#else
+
 #ifdef CONFIG_PCI_EHCI_DEVICE
 static struct pci_device_id ehci_pci_ids[] = {
 	/* Please add supported PCI EHCI controller ids here */
@@ -34,28 +57,50 @@ static struct pci_device_id ehci_pci_ids[] = {
 };
 #endif
 
+static void ehci_pci_legacy_init(pci_dev_t pdev, struct ehci_hccr **ret_hccr,
+				 struct ehci_hcor **ret_hcor)
+{
+	struct ehci_hccr *hccr;
+	struct ehci_hcor *hcor;
+	u32 cmd;
+
+	hccr = (struct ehci_hccr *)pci_map_bar(pdev,
+			PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
+	hcor = (struct ehci_hcor *)((uintptr_t) hccr +
+			HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
+
+	debug("EHCI-PCI init hccr 0x%x and hcor 0x%x hc_length %d\n",
+	      (u32)hccr, (u32)hcor,
+	      (u32)HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
+
+	*ret_hccr = hccr;
+	*ret_hcor = hcor;
+
+	/* enable busmaster */
+	pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
+	cmd |= PCI_COMMAND_MASTER;
+	pci_write_config_dword(pdev, PCI_COMMAND, cmd);
+}
+
 /*
  * Create the appropriate control structures to manage
  * a new EHCI host controller.
  */
-int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
+int ehci_hcd_init(int index, enum usb_init_type init,
+		struct ehci_hccr **ret_hccr, struct ehci_hcor **ret_hcor)
 {
 	pci_dev_t pdev;
 
+#ifdef CONFIG_PCI_EHCI_DEVICE
 	pdev = pci_find_devices(ehci_pci_ids, CONFIG_PCI_EHCI_DEVICE);
-	if (pdev == -1) {
+#else
+	pdev = pci_find_class(PCI_CLASS_SERIAL_USB_EHCI, index);
+#endif
+	if (pdev < 0) {
 		printf("EHCI host controller not found\n");
 		return -1;
 	}
-
-	*hccr = (struct ehci_hccr *)pci_map_bar(pdev,
-			PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
-	*hcor = (struct ehci_hcor *)((uint32_t) *hccr +
-			HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
-
-	debug("EHCI-PCI init hccr 0x%x and hcor 0x%x hc_length %d\n",
-			(uint32_t)*hccr, (uint32_t)*hcor,
-			(uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
+	ehci_pci_legacy_init(pdev, ret_hccr, ret_hcor);
 
 	return 0;
 }
@@ -68,3 +113,41 @@ int ehci_hcd_stop(int index)
 {
 	return 0;
 }
+#endif /* nCONFIG_DM_USB */
+
+#ifdef CONFIG_DM_USB
+static int ehci_pci_probe(struct udevice *dev)
+{
+	struct ehci_hccr *hccr;
+	struct ehci_hcor *hcor;
+
+	ehci_pci_init(dev, &hccr, &hcor);
+
+	return ehci_register(dev, hccr, hcor, NULL, 0, USB_INIT_HOST);
+}
+
+static const struct udevice_id ehci_pci_ids[] = {
+	{ .compatible = "ehci-pci" },
+	{ }
+};
+
+U_BOOT_DRIVER(ehci_pci) = {
+	.name	= "ehci_pci",
+	.id	= UCLASS_USB,
+	.probe = ehci_pci_probe,
+	.remove = ehci_deregister,
+	.of_match = ehci_pci_ids,
+	.ops	= &ehci_usb_ops,
+	.platdata_auto_alloc_size = sizeof(struct usb_platdata),
+	.priv_auto_alloc_size = sizeof(struct ehci_pci_priv),
+	.flags	= DM_FLAG_ALLOC_PRIV_DMA,
+};
+
+static struct pci_device_id ehci_pci_supported[] = {
+	{ PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_EHCI, ~0) },
+	{},
+};
+
+U_BOOT_PCI_DEVICE(ehci_pci, ehci_pci_supported);
+
+#endif /* CONFIG_DM_USB */