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Add power state manipulation to the fxp driver. Some people have

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claimed that their Intel NIC is comatose after a warm boot from Windoze.
This is most likely due to the card getting put in the D3 state. This
should bring it back to life.
This commit is contained in:
Bill Paul 2000-12-18 22:06:12 +00:00
parent 14a00c6c68
commit 8d79969459
2 changed files with 40 additions and 0 deletions
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20
sys/dev/fxp/if_fxp.c
View File

@ -328,6 +328,26 @@ fxp_attach(device_t dev)
val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN);
pci_write_config(dev, PCIR_COMMAND, val, 2);
if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
u_int32_t iobase, membase, irq;
/* Save important PCI config data. */
iobase = pci_read_config(dev, FXP_PCI_IOBA, 4);
membase = pci_read_config(dev, FXP_PCI_MMBA, 4);
irq = pci_read_config(dev, PCIR_INTLINE, 4);
/* Reset the power state. */
device_printf(dev, "chip is in D%d power mode "
"-- setting to D0\n", pci_get_powerstate(dev));
pci_set_powerstate(dev, PCI_POWERSTATE_D0);
/* Restore PCI config data. */
pci_write_config(dev, FXP_PCI_IOBA, iobase, 4);
pci_write_config(dev, FXP_PCI_MMBA, membase, 4);
pci_write_config(dev, PCIR_INTLINE, irq, 4);
}
/*
* Map control/status registers.
*/

20
sys/pci/if_fxp.c
View File

@ -328,6 +328,26 @@ fxp_attach(device_t dev)
val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN);
pci_write_config(dev, PCIR_COMMAND, val, 2);
if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
u_int32_t iobase, membase, irq;
/* Save important PCI config data. */
iobase = pci_read_config(dev, FXP_PCI_IOBA, 4);
membase = pci_read_config(dev, FXP_PCI_MMBA, 4);
irq = pci_read_config(dev, PCIR_INTLINE, 4);
/* Reset the power state. */
device_printf(dev, "chip is in D%d power mode "
"-- setting to D0\n", pci_get_powerstate(dev));
pci_set_powerstate(dev, PCI_POWERSTATE_D0);
/* Restore PCI config data. */
pci_write_config(dev, FXP_PCI_IOBA, iobase, 4);
pci_write_config(dev, FXP_PCI_MMBA, membase, 4);
pci_write_config(dev, PCIR_INTLINE, irq, 4);
}
/*
* Map control/status registers.
*/