1 /**************************************************************************
2 Etherboot -  BOOTP/TFTP Bootstrap Program
3 Prism2 NIC driver for Etherboot
4 Wrapper for prism2_plx
5 
6 Written by Michael Brown of Fen Systems Ltd
7 $Id$
8 ***************************************************************************/
9 
10 /*
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, or (at
14  * your option) any later version.
15  */
16 
17 FILE_LICENCE ( GPL2_OR_LATER );
18 
19 #include <gpxe/pci.h>
20 #include <nic.h>
21 
22 #define WLAN_HOSTIF WLAN_PLX
23 #include "prism2.c"
24 
25 /*
26  * Find PLX card.  Prints out information strings from PCMCIA CIS as visual
27  * confirmation of presence of card.
28  *
29  * Arguments:
30  *	hw		device structure to be filled in
31  *      p               PCI device structure
32  *
33  * Returns:
34  *      1               Success
35  */
36 static int prism2_find_plx ( hfa384x_t *hw, struct pci_device *p )
37 {
38   int found = 0;
39   uint32_t plx_lcr  = 0; /* PLX9052 Local Configuration Register Base (I/O) */
40   uint32_t attr_mem = 0; /* Prism2 Attribute Memory Base */
41   uint32_t iobase   = 0; /* Prism2 I/O Base */
42   unsigned char *cis_tpl  = NULL;
43   unsigned char *cis_string;
44 
45   /* Obtain all memory and IO base addresses */
46   pci_read_config_dword( p, PLX_LOCAL_CONFIG_REGISTER_BASE, &plx_lcr);
47   plx_lcr &= PCI_BASE_ADDRESS_IO_MASK;
48   pci_read_config_dword( p, PRISM2_PLX_ATTR_MEM_BASE, &attr_mem);
49   pci_read_config_dword( p, PRISM2_PLX_IO_BASE, &iobase);
50   iobase &= PCI_BASE_ADDRESS_IO_MASK;
51 
52   /* Fill out hw structure */
53   hw->iobase = iobase;
54   printf ( "PLX9052 has local config registers at %#x\n", plx_lcr );
55   printf ( "Prism2 has attribute memory at %#x and I/O base at %#x\n", attr_mem, iobase );
56 
57   /* Search for CIS strings */
58   printf ( "Searching for PCMCIA card...\n" );
59   cis_tpl = bus_to_virt(attr_mem);
60   while ( *cis_tpl != CISTPL_END ) {
61     if ( *cis_tpl == CISTPL_VERS_1 ) {
62       /* CISTPL_VERS_1 contains some nice text strings */
63       printf ( "...found " );
64       found = 1;
65       cis_string = cis_tpl + CISTPL_VERS_1_STR_OFF;
66       while ( ! ( ( *cis_string == 0 ) && ( *(cis_string+CIS_STEP) == 0 ) ) ) {
67 	printf ( "%c", *cis_string == 0 ? ' ' : *cis_string );
68 	cis_string += CIS_STEP;
69       }
70       printf ( "\n" );
71     }
72     /* printf ( "CIS tuple type %#hhx, length %#hhx\n", *cis_tpl, *(cis_tpl+CISTPL_LEN_OFF) ); */
73     cis_tpl += CISTPL_HEADER_LEN + CIS_STEP * ( *(cis_tpl+CISTPL_LEN_OFF) );
74   }
75   if ( found == 0 ) {
76     printf ( "...nothing found\n" );
77   }
78   ((unsigned char *)bus_to_virt(attr_mem))[COR_OFFSET] = COR_VALUE; /* Write COR to enable PC card */
79   return found;
80 }
81 
82 static int prism2_plx_probe ( struct nic *nic, struct pci_device *pci ) {
83   hfa384x_t *hw = &hw_global;
84 
85   /* Find and intialise PLX Prism2 card */
86   if ( ! prism2_find_plx ( hw, pci ) ) return 0;
87   nic->ioaddr = hw->iobase;
88   nic->irqno  = 0;
89   return prism2_probe ( nic, hw );
90 }
91 
92 static void prism2_plx_disable ( struct nic *nic ) {
93   prism2_disable ( nic );
94 }
95 
96 static struct pci_device_id prism2_plx_nics[] = {
97 PCI_ROM(0x1385, 0x4100, "ma301",         "Netgear MA301", 0),
98 PCI_ROM(0x10b7, 0x7770, "3c-airconnect", "3Com AirConnect", 0),
99 PCI_ROM(0x111a, 0x1023, "ss1023",        "Siemens SpeedStream SS1023", 0),
100 PCI_ROM(0x15e8, 0x0130, "correga",       "Correga", 0),
101 PCI_ROM(0x1638, 0x1100, "smc2602w",      "SMC EZConnect SMC2602W", 0),	/* or Eumitcom PCI WL11000, Addtron AWA-100 */
102 PCI_ROM(0x16ab, 0x1100, "gl24110p",      "Global Sun Tech GL24110P", 0),
103 PCI_ROM(0x16ab, 0x1101, "16ab-1101",     "Unknown", 0),
104 PCI_ROM(0x16ab, 0x1102, "wdt11",         "Linksys WDT11", 0),
105 PCI_ROM(0x16ec, 0x3685, "usr2415",       "USR 2415", 0),
106 PCI_ROM(0xec80, 0xec00, "f5d6000",       "Belkin F5D6000", 0),
107 PCI_ROM(0x126c, 0x8030, "emobility",     "Nortel emobility", 0),
108 };
109 
110 PCI_DRIVER ( prism2_plx_driver, prism2_plx_nics, PCI_NO_CLASS );
111 
112 
113 DRIVER ( "Prism2/PLX", nic_driver, pci_driver, prism2_plx_driver,
114 	 prism2_plx_probe, prism2_plx_disable );
115 
116 /*
117  * Local variables:
118  *  c-basic-offset: 8
119  *  c-indent-level: 8
120  *  tab-width: 8
121  * End:
122  */
123