1/**************************************************************************
2Etherboot -  BOOTP/TFTP Bootstrap Program
3Prism2 NIC driver for Etherboot
4Wrapper for prism2_plx
5
6Written 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
17FILE_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 */
36static 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
82static 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
92static void prism2_plx_disable ( struct nic *nic ) {
93  prism2_disable ( nic );
94}
95
96static struct pci_device_id prism2_plx_nics[] = {
97PCI_ROM(0x1385, 0x4100, "ma301",         "Netgear MA301", 0),
98PCI_ROM(0x10b7, 0x7770, "3c-airconnect", "3Com AirConnect", 0),
99PCI_ROM(0x111a, 0x1023, "ss1023",        "Siemens SpeedStream SS1023", 0),
100PCI_ROM(0x15e8, 0x0130, "correga",       "Correga", 0),
101PCI_ROM(0x1638, 0x1100, "smc2602w",      "SMC EZConnect SMC2602W", 0),	/* or Eumitcom PCI WL11000, Addtron AWA-100 */
102PCI_ROM(0x16ab, 0x1100, "gl24110p",      "Global Sun Tech GL24110P", 0),
103PCI_ROM(0x16ab, 0x1101, "16ab-1101",     "Unknown", 0),
104PCI_ROM(0x16ab, 0x1102, "wdt11",         "Linksys WDT11", 0),
105PCI_ROM(0x16ec, 0x3685, "usr2415",       "USR 2415", 0),
106PCI_ROM(0xec80, 0xec00, "f5d6000",       "Belkin F5D6000", 0),
107PCI_ROM(0x126c, 0x8030, "emobility",     "Nortel emobility", 0),
108};
109
110PCI_DRIVER ( prism2_plx_driver, prism2_plx_nics, PCI_NO_CLASS );
111
112
113DRIVER ( "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