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add PCI driver interface enumeration routine

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This commit is contained in:
Markus Fröschle
2015-11-20 19:25:57 +00:00
parent ec5115b5ab
commit 424a276dee
10 changed files with 396 additions and 151 deletions
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51
BaS_gcc/sys/sysinit.c
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@@ -584,49 +584,46 @@ void init_usb(void)
do
{
handle = pci_find_device(0x0000, 0xffff, index++);
handle = pci_find_classcode(PCI_CLASS_SERIAL_USB | (1 << 25) | (1 << 26), index++);
if (handle > 0)
{
uint32_t id = 0;
uint32_t class = 0;
long id;
long class;
xprintf("serial USB found at bus=0x%x, dev=0x%x, fnc=0x%x (0x%x)\r\n",
PCI_BUS_FROM_HANDLE(handle),
PCI_DEVICE_FROM_HANDLE(handle),
PCI_FUNCTION_FROM_HANDLE(handle),
handle);
id = pci_read_config_longword(handle, PCIIDR);
class = pci_read_config_longword(handle, PCIREV);
if (PCI_CLASS_CODE(class) == PCI_CLASS_SERIAL_USB)
if (PCI_SUBCLASS(class) == PCI_CLASS_SERIAL_USB_EHCI)
{
xprintf("serial USB found at bus=0x%x, dev=0x%x, fnc=0x%x (0x%x)\r\n",
PCI_BUS_FROM_HANDLE(handle),
PCI_DEVICE_FROM_HANDLE(handle),
PCI_FUNCTION_FROM_HANDLE(handle),
handle);
if (PCI_SUBCLASS(class) == PCI_CLASS_SERIAL_USB_EHCI)
board = ehci_usb_pci_table;
while (board->vendor)
{
board = ehci_usb_pci_table;
while (board->vendor)
if ((board->vendor == PCI_VENDOR_ID(id)) && board->device == PCI_DEVICE_ID(id))
{
if ((board->vendor == PCI_VENDOR_ID(id)) && board->device == PCI_DEVICE_ID(id))
if (usb_init(handle, board) >= 0)
{
if (usb_init(handle, board) >= 0)
{
usb_found++;
}
usb_found++;
}
board++;
}
board++;
}
if (PCI_SUBCLASS(class) == PCI_CLASS_SERIAL_USB_OHCI)
}
if (PCI_SUBCLASS(class) == PCI_CLASS_SERIAL_USB_OHCI)
{
board = ohci_usb_pci_table;
while (board->vendor)
{
board = ohci_usb_pci_table;
while (board->vendor)
if ((board->vendor == PCI_VENDOR_ID(id)) && board->device == PCI_DEVICE_ID(id))
{
if ((board->vendor == PCI_VENDOR_ID(id)) && board->device == PCI_DEVICE_ID(id))
{
if (usb_init(handle, board) >= 0)
usb_found++;
}
board++;
if (usb_init(handle, board) >= 0)
usb_found++;
}
board++;
}
}
}