merge with mainline

This commit is contained in:
BVK Chaitanya 2010-06-08 09:36:44 +05:30
commit baea17662b
31 changed files with 2794 additions and 319 deletions

View file

@ -174,14 +174,15 @@ grub_uhci_pci_iter (grub_pci_device_t dev,
return 1;
u->iobase = base & GRUB_UHCI_IOMASK;
grub_dprintf ("uhci", "class=0x%02x 0x%02x interface 0x%02x base=0x%x\n",
class, subclass, interf, u->iobase);
/* Reserve a page for the frame list. */
u->framelist = grub_memalign (4096, 4096);
if (! u->framelist)
goto fail;
grub_dprintf ("uhci", "class=0x%02x 0x%02x interface 0x%02x base=0x%x framelist=%p\n",
class, subclass, interf, u->iobase, u->framelist);
/* The framelist pointer of UHCI is only 32 bits, make sure this
code works on on 64 bits architectures. */
#if GRUB_CPU_SIZEOF_VOID_P == 8
@ -221,6 +222,9 @@ grub_uhci_pci_iter (grub_pci_device_t dev,
}
#endif
grub_dprintf ("uhci", "QH=%p, TD=%p\n",
u->qh, u->td);
/* Link all Transfer Descriptors in a list of available Transfer
Descriptors. */
for (i = 0; i < 256; i++)
@ -328,13 +332,20 @@ grub_free_td (struct grub_uhci *u, grub_uhci_td_t td)
}
static void
grub_free_queue (struct grub_uhci *u, grub_uhci_td_t td)
grub_free_queue (struct grub_uhci *u, grub_uhci_td_t td,
grub_usb_transfer_t transfer)
{
/* Free the TDs in this queue. */
while (td)
int i; /* Index of TD in transfer */
/* Free the TDs in this queue and set last_trans. */
for (i=0; td; i++)
{
grub_uhci_td_t tdprev;
/* Check state of TD and possibly set last_trans */
if (transfer && (td->linkptr & 1))
transfer->last_trans = i;
/* Unlink the queue. */
tdprev = td;
td = (grub_uhci_td_t) td->linkptr2;
@ -380,7 +391,7 @@ static grub_uhci_td_t
grub_uhci_transaction (struct grub_uhci *u, unsigned int endp,
grub_transfer_type_t type, unsigned int addr,
unsigned int toggle, grub_size_t size,
char *data)
grub_uint32_t data)
{
grub_uhci_td_t td;
static const unsigned int tf[] = { 0x69, 0xE1, 0x2D };
@ -398,7 +409,7 @@ grub_uhci_transaction (struct grub_uhci *u, unsigned int endp,
}
grub_dprintf ("uhci",
"transaction: endp=%d, type=%d, addr=%d, toggle=%d, size=%d data=%p td=%p\n",
"transaction: endp=%d, type=%d, addr=%d, toggle=%d, size=%d data=0x%x td=%p\n",
endp, type, addr, toggle, size, data, td);
/* Don't point to any TD, just terminate. */
@ -418,7 +429,7 @@ grub_uhci_transaction (struct grub_uhci *u, unsigned int endp,
td->token = ((size << 21) | (toggle << 19) | (endp << 15)
| (addr << 8) | tf[type]);
td->buffer = (grub_uint32_t) data;
td->buffer = data;
return td;
}
@ -441,6 +452,8 @@ grub_uhci_transfer (grub_usb_controller_t dev,
if (! qh)
return grub_errno;
grub_dprintf ("uhci", "transfer, iobase:%08x\n", u->iobase);
for (i = 0; i < transfer->transcnt; i++)
{
grub_usb_transaction_t tr = &transfer->transactions[i];
@ -455,7 +468,7 @@ grub_uhci_transfer (grub_usb_controller_t dev,
td_prev->linkptr = 1;
if (td_first)
grub_free_queue (u, td_first);
grub_free_queue (u, td_first, NULL);
return GRUB_USB_ERR_INTERNAL;
}
@ -548,12 +561,13 @@ grub_uhci_transfer (grub_usb_controller_t dev,
fail:
grub_dprintf ("uhci", "transaction failed\n");
if (err != GRUB_USB_ERR_NONE)
grub_dprintf ("uhci", "transaction failed\n");
/* Place the QH back in the free list and deallocate the associated
TDs. */
qh->elinkptr = 1;
grub_free_queue (u, td_first);
grub_free_queue (u, td_first, transfer);
return err;
}
@ -583,6 +597,8 @@ grub_uhci_portstatus (grub_usb_controller_t dev,
unsigned int status;
grub_uint64_t endtime;
grub_dprintf ("uhci", "portstatus, iobase:%08x\n", u->iobase);
grub_dprintf ("uhci", "enable=%d port=%d\n", enable, port);
if (port == 0)
@ -600,7 +616,7 @@ grub_uhci_portstatus (grub_usb_controller_t dev,
grub_uhci_writereg16 (u, reg, enable << 9);
/* Wait for the reset to complete. XXX: How long exactly? */
grub_millisleep (10);
grub_millisleep (50); /* For root hub should be nominaly 50ms */
status = grub_uhci_readreg16 (u, reg);
grub_uhci_writereg16 (u, reg, status & ~(1 << 9));
grub_dprintf ("uhci", "reset completed\n");
@ -631,6 +647,8 @@ grub_uhci_detect_dev (grub_usb_controller_t dev, int port)
int reg;
unsigned int status;
grub_dprintf ("uhci", "detect_dev, iobase:%08x\n", u->iobase);
if (port == 0)
reg = GRUB_UHCI_REG_PORTSC1;
else if (port == 1)