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- Use pci_enable_busmaster() and pci_enable_io() to update the command

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register.  This really shouldn't be using pci_enable_io() directly as
  bus_alloc_resource() does it already, but the cached copy of the
  command word needs to be correct so the enable/disable mwi functions
  work properly.
- Use pci bus accessors to read revision ID and subvendor IDs.

Reviewed by:	jvogel
This commit is contained in:
John Baldwin 2006-09-01 16:11:12 +00:00
parent 34de220dcf
commit acda5dd92a
1 changed files with 5 additions and 11 deletions
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16
sys/dev/em/if_em.c
View file

@ -1978,22 +1978,16 @@ em_identify_hardware(struct adapter *adapter)
device_t dev = adapter->dev;
/* Make sure our PCI config space has the necessary stuff set */
pci_enable_busmaster(dev);
pci_enable_io(dev, SYS_RES_MEMORY);
adapter->hw.pci_cmd_word = pci_read_config(dev, PCIR_COMMAND, 2);
if (!((adapter->hw.pci_cmd_word & PCIM_CMD_BUSMASTEREN) &&
(adapter->hw.pci_cmd_word & PCIM_CMD_MEMEN))) {
device_printf(dev, "Memory Access and/or Bus Master bits "
"were not set!\n");
adapter->hw.pci_cmd_word |=
(PCIM_CMD_BUSMASTEREN | PCIM_CMD_MEMEN);
pci_write_config(dev, PCIR_COMMAND, adapter->hw.pci_cmd_word, 2);
}
/* Save off the information about this board */
adapter->hw.vendor_id = pci_get_vendor(dev);
adapter->hw.device_id = pci_get_device(dev);
adapter->hw.revision_id = pci_read_config(dev, PCIR_REVID, 1);
adapter->hw.subsystem_vendor_id = pci_read_config(dev, PCIR_SUBVEND_0, 2);
adapter->hw.subsystem_id = pci_read_config(dev, PCIR_SUBDEV_0, 2);
adapter->hw.revision_id = pci_get_revid(dev);
adapter->hw.subsystem_vendor_id = pci_get_subvendor(dev);
adapter->hw.subsystem_id = pci_get_subdevice(dev);
/* Identify the MAC */
if (em_set_mac_type(&adapter->hw))