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added debugging statements for PCI enumeration

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This commit is contained in:
Markus Fröschle
2014-09-01 05:37:43 +00:00
parent c1f5fe5ba1
commit 91ee9b6274
1 changed files with 17 additions and 1 deletions
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18
BaS_gcc/sys/sysinit.c
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@@ -55,6 +55,13 @@
#include "usb.h"
#include "video.h"
#define DEBUG_SYSINIT
#ifdef DEBUG_SYSINIT
#define dbg(format, arg...) do { xprintf("DEBUG: %s(): " format, __FUNCTION__, ##arg); } while (0)
#else
#define dbg(format, arg...) do { ; } while (0)
#endif /* DEBUG_SYSINIT */
#define UNUSED(x) (void)(x) /* Unused variable */
bool fpga_configured = false; /* for FPGA JTAG configuration */
@@ -704,7 +711,7 @@ void init_usb(void)
id = pci_read_config_longword(handle, PCIIDR);
pci_class = pci_read_config_longword(handle, PCIREV);
dbg("compare class code %d to %d\r\n", PCI_CLASS_CODE(pci_class), PCI_CLASS_SERIAL_USB);
if (PCI_CLASS_CODE(pci_class) == PCI_CLASS_SERIAL_USB)
{
xprintf("serial USB found at bus=0x%x, dev=0x%x, fnc=0x%x (0x%x)\r\n",
@@ -712,13 +719,17 @@ void init_usb(void)
PCI_DEVICE_FROM_HANDLE(handle),
PCI_FUNCTION_FROM_HANDLE(handle),
handle);
dbg("compare %d against %d\r\n", PCI_SUBCLASS(pci_class), PCI_CLASS_SERIAL_USB_EHCI);
if (PCI_SUBCLASS(pci_class) == PCI_CLASS_SERIAL_USB_EHCI)
{
board = ehci_usb_pci_table;
while (board->vendor)
{
dbg("compare vendor id %d against %d\r\n", board->vendor, PCI_VENDOR_ID(id));
dbg("compare device id %d against %d\r\n", board->device, PCI_DEVICE_ID(id));
if ((board->vendor == PCI_VENDOR_ID(id)) && board->device == PCI_DEVICE_ID(id))
{
dbg("match. trying to init board\r\n");
if (usb_init(handle, board) >= 0)
{
usb_found++;
@@ -727,11 +738,16 @@ void init_usb(void)
board++;
}
}
dbg("compare %d against %d\r\n", PCI_SUBCLASS(pci_class), PCI_CLASS_SERIAL_USB_OHCI);
if (PCI_SUBCLASS(pci_class) == PCI_CLASS_SERIAL_USB_OHCI)
{
board = ohci_usb_pci_table;
while (board->vendor)
{
dbg("matched. compare vendor id %d against %d\r\n", board->vendor, PCI_VENDOR_ID(id));
dbg("compare device id %d against %d\r\n", 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)