3c99391d93
In some cases the license-identification header was missing, so I added that as well. Replaced the remaining headers that specifically identified "Versions 3.13.7 and higher". Makefiles and the build system were deliberately excluded.
60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/*************************************************************************\
|
|
* Copyright (c) 2015 Brookhaven Science Associates, as Operator of
|
|
* Brookhaven National Laboratory.
|
|
* SPDX-License-Identifier: EPICS
|
|
* EPICS BASE is distributed subject to a Software License Agreement found
|
|
* in file LICENSE that is included with this distribution.
|
|
\*************************************************************************/
|
|
/*
|
|
* Wrapper around the ISA ne2000 driver to support detection of the PCI variant.
|
|
* Can be used with the ne2k_pci device provided by QEMU.
|
|
*
|
|
* eg. "qemu-system-i386 ... -net nic,model=ne2k_pci"
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <inttypes.h>
|
|
#include <bsp.h>
|
|
#include <rtems/pci.h>
|
|
#include <rtems/rtems_bsdnet.h>
|
|
|
|
/* The plain ISA driver attach()
|
|
* which doesn't (can't?) do any test to see if
|
|
* the HW is really present
|
|
*/
|
|
extern int
|
|
rtems_ne_driver_attach (struct rtems_bsdnet_ifconfig *config, int attach);
|
|
|
|
int
|
|
rtems_ne2kpci_driver_attach (struct rtems_bsdnet_ifconfig *config, int attach)
|
|
{
|
|
uint8_t irq;
|
|
uint32_t bar0;
|
|
int B, D, F, ret;
|
|
printk("Probing for NE2000 on PCI (aka. Realtek 8029)\n");
|
|
|
|
if(pci_find_device(PCI_VENDOR_ID_REALTEK, PCI_DEVICE_ID_REALTEK_8029, 0, &B, &D, &F))
|
|
{
|
|
printk("Not found\n");
|
|
return 0;
|
|
}
|
|
|
|
printk("Found %d:%d.%d\n", B, D, F);
|
|
|
|
ret = pci_read_config_dword(B, D, F, PCI_BASE_ADDRESS_0, &bar0);
|
|
ret|= pci_read_config_byte(B, D, F, PCI_INTERRUPT_LINE, &irq);
|
|
|
|
if(ret || (bar0&PCI_BASE_ADDRESS_SPACE)!=PCI_BASE_ADDRESS_SPACE_IO)
|
|
{
|
|
printk("Failed reading card config\n");
|
|
return 0;
|
|
}
|
|
|
|
config->irno = irq;
|
|
config->port = bar0&PCI_BASE_ADDRESS_IO_MASK;
|
|
|
|
printk("Using port=0x%x irq=%u\n", (unsigned)config->port, config->irno);
|
|
|
|
return rtems_ne_driver_attach(config, attach);
|
|
}
|