2008-09-02 18:06:22 +02:00
|
|
|
/*
|
|
|
|
* This file is part of the libpayload project.
|
|
|
|
*
|
2010-03-25 23:17:36 +01:00
|
|
|
* Copyright (C) 2008-2010 coresystems GmbH
|
2008-09-02 18:06:22 +02:00
|
|
|
*
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
* are met:
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
|
|
* derived from this software without specific prior written permission.
|
|
|
|
*
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
* SUCH DAMAGE.
|
|
|
|
*/
|
|
|
|
|
2008-11-24 18:54:46 +01:00
|
|
|
#include <libpayload-config.h>
|
2008-09-11 19:29:00 +02:00
|
|
|
#include <usb/usb.h>
|
2008-09-02 18:06:22 +02:00
|
|
|
#include "uhci.h"
|
2010-08-13 11:18:58 +02:00
|
|
|
#include "ohci.h"
|
2010-03-25 23:17:36 +01:00
|
|
|
//#include "ehci.h"
|
2010-08-13 11:18:58 +02:00
|
|
|
#include "xhci.h"
|
2008-09-11 19:29:00 +02:00
|
|
|
#include <usb/usbdisk.h>
|
2008-09-02 18:06:22 +02:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Initializes USB controller attached to PCI
|
|
|
|
*
|
|
|
|
* @param bus PCI bus number
|
|
|
|
* @param dev PCI device id at bus
|
|
|
|
* @param func function id of the controller
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
usb_controller_initialize (int bus, int dev, int func)
|
|
|
|
{
|
|
|
|
u32 class;
|
|
|
|
u32 devclass;
|
|
|
|
u32 prog_if;
|
|
|
|
pcidev_t addr;
|
|
|
|
u32 pciid;
|
|
|
|
|
|
|
|
addr = PCI_DEV (bus, dev, func);
|
|
|
|
class = pci_read_config32 (addr, 8);
|
|
|
|
pciid = pci_read_config32 (addr, 0);
|
|
|
|
|
|
|
|
devclass = class >> 16;
|
|
|
|
prog_if = (class >> 8) & 0xff;
|
|
|
|
|
|
|
|
/* enable busmaster */
|
|
|
|
#define PCI_COMMAND 4
|
|
|
|
#define PCI_COMMAND_MASTER 4
|
|
|
|
if (devclass == 0xc03) {
|
2010-03-25 23:17:36 +01:00
|
|
|
u32 pci_command;
|
|
|
|
|
|
|
|
pci_command =pci_read_config32(addr, PCI_COMMAND);
|
|
|
|
pci_command |= PCI_COMMAND_MASTER;
|
|
|
|
pci_write_config32(addr, PCI_COMMAND, pci_command);
|
|
|
|
|
2010-08-13 11:18:58 +02:00
|
|
|
printf ("%02x:%02x.%x %04x:%04x.%d ", bus, dev, func,
|
2008-09-02 18:06:22 +02:00
|
|
|
pciid >> 16, pciid & 0xFFFF, func);
|
|
|
|
if (prog_if == 0) {
|
|
|
|
printf ("UHCI controller\n");
|
|
|
|
#ifdef CONFIG_USB_UHCI
|
|
|
|
uhci_init (addr);
|
|
|
|
#else
|
|
|
|
printf ("Not supported.\n");
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
if (prog_if == 0x10) {
|
|
|
|
printf ("OHCI controller\n");
|
|
|
|
#ifdef CONFIG_USB_OHCI
|
2010-08-13 11:18:58 +02:00
|
|
|
ohci_init(addr);
|
2008-09-02 18:06:22 +02:00
|
|
|
#else
|
|
|
|
printf ("Not supported.\n");
|
|
|
|
#endif
|
|
|
|
|
|
|
|
}
|
|
|
|
if (prog_if == 0x20) {
|
|
|
|
printf ("EHCI controller\n");
|
|
|
|
#ifdef CONFIG_USB_EHCI
|
2010-03-25 23:17:36 +01:00
|
|
|
//ehci_init(addr);
|
|
|
|
printf ("Not supported.\n");
|
|
|
|
#else
|
|
|
|
printf ("Not supported.\n");
|
|
|
|
#endif
|
|
|
|
|
|
|
|
}
|
|
|
|
if (prog_if == 0x30) {
|
2010-08-13 11:18:58 +02:00
|
|
|
printf ("xHCI controller\n");
|
2010-03-25 23:17:36 +01:00
|
|
|
#ifdef CONFIG_USB_XHCI
|
2010-08-13 11:18:58 +02:00
|
|
|
xhci_init(addr);
|
2008-09-02 18:06:22 +02:00
|
|
|
#else
|
|
|
|
printf ("Not supported.\n");
|
|
|
|
#endif
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Initialize all USB controllers attached to PCI.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
usb_initialize (void)
|
|
|
|
{
|
|
|
|
int bus, dev, func;
|
2010-03-25 23:17:36 +01:00
|
|
|
/* EHCI is defined by standards to be at a
|
|
|
|
* higher function than the USB1 controllers.
|
|
|
|
* We don't want to init USB1 + devices just to
|
|
|
|
* "steal" those for USB2, so make sure USB2
|
|
|
|
* comes first.
|
|
|
|
*/
|
2008-09-02 18:06:22 +02:00
|
|
|
for (bus = 0; bus < 256; bus++)
|
|
|
|
for (dev = 0; dev < 32; dev++)
|
2010-09-03 16:54:50 +02:00
|
|
|
if (pci_read_config32 (PCI_DEV(bus, dev, 0), 8) >> 16 != 0xffff)
|
2010-08-13 11:18:58 +02:00
|
|
|
for (func = 7; func >= 0 ; func--)
|
|
|
|
usb_controller_initialize (bus, dev, func);
|
2010-03-25 23:17:36 +01:00
|
|
|
usb_poll();
|
2008-09-02 18:06:22 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
usb_exit (void)
|
|
|
|
{
|
|
|
|
return 0;
|
|
|
|
}
|