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Finished by hand

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This commit is contained in:
Michael Brown
2005-04-13 02:02:08 +00:00
parent 951e305081
commit 7cc6366a84
3 changed files with 104 additions and 113 deletions
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73
src/drivers/net/prism2_plx.c
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@@ -34,5 +34,78 @@ PCI_ROM(0x126c, 0x8030, "emobility", "Nortel emobility"),
static struct pci_driver prism2_plx_driver =
PCI_DRIVER ( "Prism2_PLX", prism2_plx_nics, PCI_NO_CLASS );
/*
* Find PLX card. Prints out information strings from PCMCIA CIS as visual
* confirmation of presence of card.
*
* Arguments:
* hw device structure to be filled in
* p PCI device structure
*
* Returns:
* 1 Success
*/
static int prism2_find_plx ( hfa384x_t *hw, struct pci_device *p )
{
int found = 0;
uint32_t plx_lcr = 0; /* PLX9052 Local Configuration Register Base (I/O) */
uint32_t attr_mem = 0; /* Prism2 Attribute Memory Base */
uint32_t iobase = 0; /* Prism2 I/O Base */
unsigned char *cis_tpl = NULL;
unsigned char *cis_string;
/* Obtain all memory and IO base addresses */
pci_read_config_dword( p, PLX_LOCAL_CONFIG_REGISTER_BASE, &plx_lcr);
plx_lcr &= PCI_BASE_ADDRESS_IO_MASK;
pci_read_config_dword( p, PRISM2_PLX_ATTR_MEM_BASE, &attr_mem);
pci_read_config_dword( p, PRISM2_PLX_IO_BASE, &iobase);
iobase &= PCI_BASE_ADDRESS_IO_MASK;
/* Fill out hw structure */
hw->membase = attr_mem;
hw->iobase = iobase;
printf ( "PLX9052 has local config registers at %#hx\n", plx_lcr );
printf ( "Prism2 has attribute memory at %#x and I/O base at %#hx\n", attr_mem, iobase );
/* Search for CIS strings */
printf ( "Searching for PCMCIA card...\n" );
cis_tpl = bus_to_virt(attr_mem);
while ( *cis_tpl != CISTPL_END ) {
if ( *cis_tpl == CISTPL_VERS_1 ) {
/* CISTPL_VERS_1 contains some nice text strings */
printf ( "...found " );
found = 1;
cis_string = cis_tpl + CISTPL_VERS_1_STR_OFF;
while ( ! ( ( *cis_string == 0 ) && ( *(cis_string+CIS_STEP) == 0 ) ) ) {
printf ( "%c", *cis_string == 0 ? ' ' : *cis_string );
cis_string += CIS_STEP;
}
printf ( "\n" );
}
/* printf ( "CIS tuple type %#hhx, length %#hhx\n", *cis_tpl, *(cis_tpl+CISTPL_LEN_OFF) ); */
cis_tpl += CISTPL_HEADER_LEN + CIS_STEP * ( *(cis_tpl+CISTPL_LEN_OFF) );
}
if ( found == 0 ) {
printf ( "...nothing found\n" );
}
((unsigned char *)bus_to_virt(attr_mem))[COR_OFFSET] = COR_VALUE; /* Write COR to enable PC card */
return found;
}
static int prism2_plx_probe ( struct dev *dev ) {
struct nic *nic = nic_device ( dev );
struct pci_device *pci = pci_device ( dev );
hfa384x_t *hw = &hw_global;
if ( ! find_pci_device ( pci, &prism2_plx_driver ) )
return 0;
/* Find and intialise PLX Prism2 card */
if ( ! prism2_find_plx ( hw, pci ) ) return 0;
nic->ioaddr = hw->iobase;
return prism2_probe ( nic, hw );
}
BOOT_DRIVER ( "Prism2_PLX", prism2_plx_probe );