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
, struct ehci_hccr
**ret_hccr
,
73 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
)