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Give more detailed information about the type of bridge devices

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found when probing the PCI bus.
This commit is contained in:
Stefan Eßer 1995-06-28 16:02:05 +00:00
parent 78e444665c
commit 1f8ca7ddc4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=9362
1 changed files with 11 additions and 1 deletions
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12
sys/pci/pcisupport.c
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@ -1,6 +1,6 @@
/**************************************************************************
**
** $Id: pcisupport.c,v 1.13 1995/03/21 23:01:05 se Exp $
** $Id: pcisupport.c,v 1.14 1995/06/28 11:28:43 se Exp $
**
** Device driver for DEC/INTEL PCI chipsets.
**
@ -115,8 +115,18 @@ chipset_probe (pcici_t tag, pcidi_t type)
data = pci_conf_read(tag, PCI_CLASS_REG);
switch (data & (PCI_CLASS_MASK|PCI_SUBCLASS_MASK)) {
case PCI_CLASS_BRIDGE|PCI_SUBCLASS_BRIDGE_HOST:
return ("CPU-PCI bridge");
case PCI_CLASS_BRIDGE|PCI_SUBCLASS_BRIDGE_ISA:
return ("PCI-ISA bridge");
case PCI_CLASS_BRIDGE|PCI_SUBCLASS_BRIDGE_EISA:
return ("PCI-EISA bridge");
case PCI_CLASS_BRIDGE|PCI_SUBCLASS_BRIDGE_MC:
return ("PCI-MC bridge");
case PCI_CLASS_BRIDGE|PCI_SUBCLASS_BRIDGE_PCI:
return ("PCI-PCI bridge");
case PCI_CLASS_BRIDGE|PCI_SUBCLASS_BRIDGE_PCMCIA:
return ("PCI-PCMCIA bridge");
};
return ((char*)0);
}