2 * Copyright (c) 2007-2008, Juniper Networks, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation version 2 of
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 #ifdef CONFIG_PCI_EHCI_DEVICE
29 static struct pci_device_id ehci_pci_ids[] = {
30 /* Please add supported PCI EHCI controller ids here */
31 {0x1033, 0x00E0}, /* NEC */
32 {0x10B9, 0x5239}, /* ULI1575 PCI EHCI module ids */
33 {0x12D8, 0x400F}, /* Pericom */
37 static pci_dev_t ehci_find_class(int index)
44 for (bus = 0; bus <= pci_last_busno(); bus++) {
45 for (devnum = 0; devnum < PCI_MAX_PCI_DEVICES-1; devnum++) {
46 pci_read_config_dword(PCI_BDF(bus, devnum, 0),
47 PCI_CLASS_REVISION, &class);
48 if (class >> 16 == 0xffff)
51 for (bdf = PCI_BDF(bus, devnum, 0);
52 bdf <= PCI_BDF(bus, devnum,
53 PCI_MAX_PCI_FUNCTIONS - 1);
54 bdf += PCI_BDF(0, 0, 1)) {
55 pci_read_config_dword(bdf, PCI_CLASS_REVISION,
57 if ((class >> 8 == PCI_CLASS_SERIAL_USB_EHCI)
69 * Create the appropriate control structures to manage
70 * a new EHCI host controller.
72 int ehci_hcd_init(int index, enum usb_init_type init,
73 struct ehci_hccr **ret_hccr, struct ehci_hcor **ret_hcor)
77 struct ehci_hccr *hccr;
78 struct ehci_hcor *hcor;
80 #ifdef CONFIG_PCI_EHCI_DEVICE
81 pdev = pci_find_devices(ehci_pci_ids, CONFIG_PCI_EHCI_DEVICE);
83 pdev = ehci_find_class(index);
86 printf("EHCI host controller not found\n");
90 hccr = (struct ehci_hccr *)pci_map_bar(pdev,
91 PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
92 hcor = (struct ehci_hcor *)((uint32_t) hccr +
93 HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
95 debug("EHCI-PCI init hccr 0x%x and hcor 0x%x hc_length %d\n",
96 (uint32_t)hccr, (uint32_t)hcor,
97 (uint32_t)HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
102 /* enable busmaster */
103 pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
104 cmd |= PCI_COMMAND_MASTER;
105 pci_write_config_dword(pdev, PCI_COMMAND, cmd);
110 * Destroy the appropriate control structures corresponding
111 * the the EHCI host controller.
113 int ehci_hcd_stop(int index)