upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
138 lines
3.7 KiB
138 lines
3.7 KiB
/*-
|
|
* 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
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <errno.h>
|
|
#include <pci.h>
|
|
#include <usb.h>
|
|
|
|
#include "ehci.h"
|
|
|
|
#ifdef CONFIG_PCI_EHCI_DEVICE
|
|
static struct pci_device_id ehci_pci_ids[] = {
|
|
/* Please add supported PCI EHCI controller ids here */
|
|
{0x1033, 0x00E0}, /* NEC */
|
|
{0x10B9, 0x5239}, /* ULI1575 PCI EHCI module ids */
|
|
{0x12D8, 0x400F}, /* Pericom */
|
|
{0, 0}
|
|
};
|
|
#else
|
|
static pci_dev_t ehci_find_class(int index)
|
|
{
|
|
int bus;
|
|
int devnum;
|
|
pci_dev_t bdf;
|
|
uint32_t class;
|
|
|
|
for (bus = 0; bus <= pci_last_busno(); bus++) {
|
|
for (devnum = 0; devnum < PCI_MAX_PCI_DEVICES-1; devnum++) {
|
|
pci_read_config_dword(PCI_BDF(bus, devnum, 0),
|
|
PCI_CLASS_REVISION, &class);
|
|
if (class >> 16 == 0xffff)
|
|
continue;
|
|
|
|
for (bdf = PCI_BDF(bus, devnum, 0);
|
|
bdf <= PCI_BDF(bus, devnum,
|
|
PCI_MAX_PCI_FUNCTIONS - 1);
|
|
bdf += PCI_BDF(0, 0, 1)) {
|
|
pci_read_config_dword(bdf, PCI_CLASS_REVISION,
|
|
&class);
|
|
class >>= 8;
|
|
/*
|
|
* Here be dragons! In case we have multiple
|
|
* PCI EHCI controllers, this function will
|
|
* be called multiple times as well. This
|
|
* function will scan the PCI busses, always
|
|
* starting from bus 0, device 0, function 0,
|
|
* until it finds an USB controller. The USB
|
|
* stack gives us an 'index' of a controller
|
|
* that is currently being registered, which
|
|
* is a number, starting from 0 and growing
|
|
* in ascending order as controllers are added.
|
|
* To avoid probing the same controller in tne
|
|
* subsequent runs of this function, we will
|
|
* skip 'index - 1' detected controllers and
|
|
* report the index'th controller.
|
|
*/
|
|
if (class != PCI_CLASS_SERIAL_USB_EHCI)
|
|
continue;
|
|
if (index) {
|
|
index--;
|
|
continue;
|
|
}
|
|
/* Return index'th controller. */
|
|
return bdf;
|
|
}
|
|
}
|
|
}
|
|
|
|
return -ENODEV;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Create the appropriate control structures to manage
|
|
* a new EHCI host controller.
|
|
*/
|
|
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;
|
|
uint32_t cmd;
|
|
struct ehci_hccr *hccr;
|
|
struct ehci_hcor *hcor;
|
|
|
|
#ifdef CONFIG_PCI_EHCI_DEVICE
|
|
pdev = pci_find_devices(ehci_pci_ids, CONFIG_PCI_EHCI_DEVICE);
|
|
#else
|
|
pdev = ehci_find_class(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)));
|
|
|
|
*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);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Destroy the appropriate control structures corresponding
|
|
* the the EHCI host controller.
|
|
*/
|
|
int ehci_hcd_stop(int index)
|
|
{
|
|
return 0;
|
|
}
|
|
|