1 /**************************************************************************
2 Etherboot - BOOTP/TFTP Bootstrap Program
3 Prism2 NIC driver for Etherboot
6 Written by Michael Brown of Fen Systems Ltd
8 ***************************************************************************/
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of the
14 * License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
27 FILE_LICENCE ( GPL2_OR_LATER );
32 #define WLAN_HOSTIF WLAN_PLX
36 * Find PLX card. Prints out information strings from PCMCIA CIS as visual
37 * confirmation of presence of card.
40 * hw device structure to be filled in
41 * p PCI device structure
46 static int prism2_find_plx ( hfa384x_t *hw, struct pci_device *p )
49 uint32_t plx_lcr = 0; /* PLX9052 Local Configuration Register Base (I/O) */
50 uint32_t attr_mem = 0; /* Prism2 Attribute Memory Base */
51 uint32_t iobase = 0; /* Prism2 I/O Base */
52 unsigned char *cis_tpl = NULL;
53 unsigned char *cis_string;
55 /* Obtain all memory and IO base addresses */
56 pci_read_config_dword( p, PLX_LOCAL_CONFIG_REGISTER_BASE, &plx_lcr);
57 plx_lcr &= ~PCI_BASE_ADDRESS_IO_MASK;
58 pci_read_config_dword( p, PRISM2_PLX_ATTR_MEM_BASE, &attr_mem);
59 pci_read_config_dword( p, PRISM2_PLX_IO_BASE, &iobase);
60 iobase &= ~PCI_BASE_ADDRESS_IO_MASK;
62 /* Fill out hw structure */
64 printf ( "PLX9052 has local config registers at %#x\n", plx_lcr );
65 printf ( "Prism2 has attribute memory at %#x and I/O base at %#x\n", attr_mem, iobase );
67 /* Search for CIS strings */
68 printf ( "Searching for PCMCIA card...\n" );
69 cis_tpl = bus_to_virt(attr_mem);
70 while ( *cis_tpl != CISTPL_END ) {
71 if ( *cis_tpl == CISTPL_VERS_1 ) {
72 /* CISTPL_VERS_1 contains some nice text strings */
73 printf ( "...found " );
75 cis_string = cis_tpl + CISTPL_VERS_1_STR_OFF;
76 while ( ! ( ( *cis_string == 0 ) && ( *(cis_string+CIS_STEP) == 0 ) ) ) {
77 printf ( "%c", *cis_string == 0 ? ' ' : *cis_string );
78 cis_string += CIS_STEP;
82 /* printf ( "CIS tuple type %#hhx, length %#hhx\n", *cis_tpl, *(cis_tpl+CISTPL_LEN_OFF) ); */
83 cis_tpl += CISTPL_HEADER_LEN + CIS_STEP * ( *(cis_tpl+CISTPL_LEN_OFF) );
86 printf ( "...nothing found\n" );
88 ((unsigned char *)bus_to_virt(attr_mem))[COR_OFFSET] = COR_VALUE; /* Write COR to enable PC card */
92 static int prism2_plx_probe ( struct nic *nic, struct pci_device *pci ) {
93 hfa384x_t *hw = &hw_global;
95 /* Find and intialise PLX Prism2 card */
96 if ( ! prism2_find_plx ( hw, pci ) ) return 0;
97 nic->ioaddr = hw->iobase;
99 return prism2_probe ( nic, hw );
102 static void prism2_plx_disable ( struct nic *nic ) {
103 prism2_disable ( nic );
106 static struct pci_device_id prism2_plx_nics[] = {
107 PCI_ROM(0x1385, 0x4100, "ma301", "Netgear MA301", 0),
108 PCI_ROM(0x10b7, 0x7770, "3c-airconnect", "3Com AirConnect", 0),
109 PCI_ROM(0x111a, 0x1023, "ss1023", "Siemens SpeedStream SS1023", 0),
110 PCI_ROM(0x15e8, 0x0130, "correga", "Correga", 0),
111 PCI_ROM(0x1638, 0x1100, "smc2602w", "SMC EZConnect SMC2602W", 0), /* or Eumitcom PCI WL11000, Addtron AWA-100 */
112 PCI_ROM(0x16ab, 0x1100, "gl24110p", "Global Sun Tech GL24110P", 0),
113 PCI_ROM(0x16ab, 0x1101, "16ab-1101", "Unknown", 0),
114 PCI_ROM(0x16ab, 0x1102, "wdt11", "Linksys WDT11", 0),
115 PCI_ROM(0x16ec, 0x3685, "usr2415", "USR 2415", 0),
116 PCI_ROM(0xec80, 0xec00, "f5d6000", "Belkin F5D6000", 0),
117 PCI_ROM(0x126c, 0x8030, "emobility", "Nortel emobility", 0),
120 PCI_DRIVER ( prism2_plx_driver, prism2_plx_nics, PCI_NO_CLASS );
123 DRIVER ( "Prism2/PLX", nic_driver, pci_driver, prism2_plx_driver,
124 prism2_plx_probe, prism2_plx_disable );